Analysis Overview
SHA256
4b0034a2e86bf558c75772bbeb8a538f1b3f6574227b5dbf8374eaa4046637c7
Threat Level: Known bad
The file 4b0034a2e86bf558c75772bbeb8a538f1b3f6574227b5dbf8374eaa4046637c7.zip was found to be: Known bad.
Malicious Activity Summary
Remcos
Blocklisted process makes network request
Adds Run key to start application
Suspicious use of NtCreateThreadExHideFromDebugger
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Checks processor information in registry
Suspicious use of FindShellTrayWindow
Modifies Internet Explorer settings
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-15 01:15
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-15 01:14
Reported
2024-08-15 01:17
Platform
win7-20240704-en
Max time kernel
121s
Max time network
124s
Command Line
Signatures
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
Processes
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\1099.pdf"
Network
Files
C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
| MD5 | be72a7965e489aa3bd1e7c8c13e00c4e |
| SHA1 | efd5a95f24a5ab870d4b18927024b1c615e6a0fc |
| SHA256 | 914644c9117cfa2740b5bf538593ad2eb15aee4be7df98d714d88b0d7329f61a |
| SHA512 | e7c83ee477a8a07e9af9c0585d18c2cd33213ff647cdc500428ba272f2ddd97d40a088254aae4b32b4e2771f65650285447156ed82d44f0452f670881fe6f0a6 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-15 01:14
Reported
2024-08-15 01:17
Platform
win10v2004-20240802-en
Max time kernel
146s
Max time network
134s
Command Line
Signatures
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\1099.pdf"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3708,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=3844 /prefetch:8
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=09084927486CE61C933A676B32DE029E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=15B7C132916AFD4F697B04DF3D35C534 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=15B7C132916AFD4F697B04DF3D35C534 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=198F1A9097018EE9570E2CB075AB55CF --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=95CF53C5B2A2F5AB239B196AC9D69A01 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=95CF53C5B2A2F5AB239B196AC9D69A01 --renderer-client-id=5 --mojo-platform-channel-handle=1788 --allow-no-sandbox-job /prefetch:1
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=8268A10E3C43E8D4D31DD6AE8A81D5AF --mojo-platform-channel-handle=2504 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=7D82FD499D825E96A9B6E63E816816F1 --mojo-platform-channel-handle=2804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 135.244.100.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 219.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
Files
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
| MD5 | b30d3becc8731792523d599d949e63f5 |
| SHA1 | 19350257e42d7aee17fb3bf139a9d3adb330fad4 |
| SHA256 | b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3 |
| SHA512 | 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e |
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
| MD5 | 752a1f26b18748311b691c7d8fc20633 |
| SHA1 | c1f8e83eebc1cc1e9b88c773338eb09ff82ab862 |
| SHA256 | 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131 |
| SHA512 | a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5 |
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
| MD5 | f87ca13cf3363e8c9ec4e11ff4a2a35f |
| SHA1 | e6fa22f6e7ae63287367566303c5e0b00e76a799 |
| SHA256 | da2762ab0e71b8f3df51b1d8d0f5440a7ee561ee2db291aa2cae685088de46d3 |
| SHA512 | 7b5eb89c71bad1006fde590562d704b0d861f480ab1940f51bf72429b83d5e14a949505b843ac58503b8bacea08fc004d8a1d11ac5d8c7bdfe5b5f3f70d84815 |
memory/4744-123-0x000000000B3C0000-0x000000000B66B000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-08-15 01:14
Reported
2024-08-15 01:17
Platform
win7-20240705-en
Max time kernel
147s
Max time network
147s
Command Line
Signatures
Remcos
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\*ChromeUpdate = "rundll32.exe C:\\Users\\Admin\\Documents\\FirefoxData.dll,EntryPoint" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TAXORGANIZERpdf.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\TAXORGANIZERpdf.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\TAXORGANIZERpdf.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\TAXORGANIZERpdf.exe
"C:\Users\Admin\AppData\Local\Temp\TAXORGANIZERpdf.exe"
C:\Users\Admin\AppData\Local\Temp\TAXORGANIZERpdf.exe
"C:\Users\Admin\AppData\Local\Temp\TAXORGANIZERpdf.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /C reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*ChromeUpdate" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\FirefoxData.dll",EntryPoint /f & exit
C:\Windows\SysWOW64\reg.exe
reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*ChromeUpdate" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\FirefoxData.dll",EntryPoint /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | privmerkt.com | udp |
| BE | 172.111.244.2:6042 | privmerkt.com | tcp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
Files
memory/1732-0-0x0000000011000000-0x0000000011369000-memory.dmp
memory/1732-2-0x0000000010000000-0x0000000010205000-memory.dmp
memory/1732-1-0x0000000010000000-0x0000000010205000-memory.dmp
memory/1732-4-0x0000000010000000-0x0000000010205000-memory.dmp
memory/1732-3-0x0000000010026000-0x0000000010040000-memory.dmp
memory/1732-14-0x0000000010000000-0x0000000010205000-memory.dmp
memory/1156-11-0x0000000000240000-0x0000000000241000-memory.dmp
memory/1156-9-0x0000000000240000-0x0000000000241000-memory.dmp
memory/1156-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1156-5-0x00000000001B0000-0x0000000000232000-memory.dmp
memory/1732-15-0x00000000024E0000-0x0000000002849000-memory.dmp
memory/1156-16-0x00000000001B0000-0x0000000000232000-memory.dmp
memory/1156-17-0x00000000001B0000-0x0000000000232000-memory.dmp
memory/1156-18-0x00000000001B0000-0x0000000000232000-memory.dmp
memory/1156-19-0x00000000001B0000-0x0000000000232000-memory.dmp
memory/1156-20-0x0000000011000000-0x0000000011369000-memory.dmp
memory/1156-21-0x00000000001B0000-0x0000000000232000-memory.dmp
memory/1156-22-0x00000000001B0000-0x0000000000232000-memory.dmp
memory/1156-23-0x00000000001B0000-0x0000000000232000-memory.dmp
memory/1156-24-0x00000000001B0000-0x0000000000232000-memory.dmp
memory/1732-25-0x0000000011000000-0x0000000011369000-memory.dmp
memory/1156-27-0x00000000001B0000-0x0000000000232000-memory.dmp
memory/1156-28-0x00000000001B0000-0x0000000000232000-memory.dmp
memory/1156-29-0x00000000001B0000-0x0000000000232000-memory.dmp
memory/1156-30-0x00000000001B0000-0x0000000000232000-memory.dmp
memory/1156-32-0x00000000001B0000-0x0000000000232000-memory.dmp
memory/1156-31-0x00000000001B0000-0x0000000000232000-memory.dmp
memory/1156-34-0x00000000001B0000-0x0000000000232000-memory.dmp
memory/1156-33-0x00000000001B0000-0x0000000000232000-memory.dmp
memory/1156-35-0x00000000001B0000-0x0000000000232000-memory.dmp
memory/1156-36-0x00000000001B0000-0x0000000000232000-memory.dmp
memory/1156-38-0x00000000001B0000-0x0000000000232000-memory.dmp
memory/1156-37-0x00000000001B0000-0x0000000000232000-memory.dmp
Analysis: behavioral4
Detonation Overview
Submitted
2024-08-15 01:14
Reported
2024-08-15 01:17
Platform
win10v2004-20240802-en
Max time kernel
148s
Max time network
149s
Command Line
Signatures
Remcos
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\*ChromeUpdate = "rundll32.exe C:\\Users\\Admin\\Documents\\FirefoxData.dll,EntryPoint" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TAXORGANIZERpdf.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\TAXORGANIZERpdf.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\reg.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\TAXORGANIZERpdf.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\TAXORGANIZERpdf.exe
"C:\Users\Admin\AppData\Local\Temp\TAXORGANIZERpdf.exe"
C:\Users\Admin\AppData\Local\Temp\TAXORGANIZERpdf.exe
"C:\Users\Admin\AppData\Local\Temp\TAXORGANIZERpdf.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /C reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*ChromeUpdate" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\FirefoxData.dll",EntryPoint /f & exit
C:\Windows\SysWOW64\reg.exe
reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*ChromeUpdate" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\FirefoxData.dll",EntryPoint /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | privmerkt.com | udp |
| BE | 172.111.244.2:6042 | privmerkt.com | tcp |
| US | 8.8.8.8:53 | 2.244.111.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 8.8.8.8:53 | 50.33.237.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
Files
memory/1848-0-0x0000000011000000-0x0000000011369000-memory.dmp
memory/1848-1-0x0000000010000000-0x0000000010205000-memory.dmp
memory/1848-2-0x0000000010000000-0x0000000010205000-memory.dmp
memory/1848-7-0x0000000010000000-0x0000000010205000-memory.dmp
memory/3200-9-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3200-10-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3200-11-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3200-8-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1848-6-0x0000000010000000-0x0000000010205000-memory.dmp
memory/3200-4-0x00000000001C0000-0x00000000001C1000-memory.dmp
memory/1848-3-0x0000000010026000-0x0000000010040000-memory.dmp
memory/3200-12-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3200-14-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3200-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3200-16-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1848-17-0x0000000011000000-0x0000000011369000-memory.dmp
memory/3200-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3200-18-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3200-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3200-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3200-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3200-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3200-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3200-28-0x0000000000400000-0x0000000000482000-memory.dmp
Analysis: behavioral5
Detonation Overview
Submitted
2024-08-15 01:14
Reported
2024-08-15 01:17
Platform
win7-20240705-en
Max time kernel
147s
Max time network
147s
Command Line
Signatures
Remcos
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\*ChromeUpdate = "rundll32.exe C:\\Users\\Admin\\Documents\\FirefoxData.dll,EntryPoint" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\msimg32.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\msimg32.dll,#1
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /C reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*ChromeUpdate" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\FirefoxData.dll",EntryPoint /f & exit
C:\Windows\SysWOW64\reg.exe
reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*ChromeUpdate" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\FirefoxData.dll",EntryPoint /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | privmerkt.com | udp |
| BE | 172.111.244.2:6042 | privmerkt.com | tcp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
Files
memory/3020-0-0x0000000010000000-0x0000000010205000-memory.dmp
memory/3020-1-0x0000000010000000-0x0000000010205000-memory.dmp
memory/3020-12-0x0000000010000000-0x0000000010205000-memory.dmp
memory/1640-13-0x00000000001A0000-0x0000000000222000-memory.dmp
memory/1640-17-0x00000000001A0000-0x0000000000222000-memory.dmp
memory/1640-16-0x00000000001A0000-0x0000000000222000-memory.dmp
memory/1640-14-0x00000000001A0000-0x0000000000222000-memory.dmp
memory/3020-11-0x0000000010000000-0x0000000010205000-memory.dmp
memory/1640-9-0x0000000000090000-0x0000000000091000-memory.dmp
memory/1640-7-0x0000000000090000-0x0000000000091000-memory.dmp
memory/1640-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1640-2-0x00000000001A0000-0x0000000000222000-memory.dmp
memory/3020-3-0x0000000010026000-0x0000000010040000-memory.dmp
memory/1640-18-0x00000000001A0000-0x0000000000222000-memory.dmp
memory/1640-19-0x00000000001A0000-0x0000000000222000-memory.dmp
memory/1640-20-0x00000000001A0000-0x0000000000222000-memory.dmp
memory/1640-21-0x00000000001A0000-0x0000000000222000-memory.dmp
memory/1640-23-0x00000000001A0000-0x0000000000222000-memory.dmp
memory/1640-24-0x00000000001A0000-0x0000000000222000-memory.dmp
memory/1640-25-0x00000000001A0000-0x0000000000222000-memory.dmp
memory/1640-26-0x00000000001A0000-0x0000000000222000-memory.dmp
memory/1640-27-0x00000000001A0000-0x0000000000222000-memory.dmp
memory/1640-28-0x00000000001A0000-0x0000000000222000-memory.dmp
memory/1640-29-0x00000000001A0000-0x0000000000222000-memory.dmp
memory/1640-30-0x00000000001A0000-0x0000000000222000-memory.dmp
memory/1640-31-0x00000000001A0000-0x0000000000222000-memory.dmp
memory/1640-32-0x00000000001A0000-0x0000000000222000-memory.dmp
memory/1640-33-0x00000000001A0000-0x0000000000222000-memory.dmp
Analysis: behavioral6
Detonation Overview
Submitted
2024-08-15 01:14
Reported
2024-08-15 01:17
Platform
win10v2004-20240802-en
Max time kernel
147s
Max time network
153s
Command Line
Signatures
Remcos
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\*ChromeUpdate = "rundll32.exe C:\\Users\\Admin\\Documents\\FirefoxData.dll,EntryPoint" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\reg.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\msimg32.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\msimg32.dll,#1
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /C reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*ChromeUpdate" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\FirefoxData.dll",EntryPoint /f & exit
C:\Windows\SysWOW64\reg.exe
reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*ChromeUpdate" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\FirefoxData.dll",EntryPoint /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | privmerkt.com | udp |
| BE | 172.111.244.2:6042 | privmerkt.com | tcp |
| US | 8.8.8.8:53 | 2.244.111.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 8.8.8.8:53 | 50.33.237.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
Files
memory/2012-0-0x0000000010000000-0x0000000010205000-memory.dmp
memory/2012-1-0x0000000010000000-0x0000000010205000-memory.dmp
memory/1632-4-0x0000000000190000-0x0000000000191000-memory.dmp
memory/2012-7-0x0000000010000000-0x0000000010205000-memory.dmp
memory/1632-9-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1632-8-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2012-3-0x0000000010000000-0x0000000010205000-memory.dmp
memory/2012-2-0x0000000010026000-0x0000000010040000-memory.dmp
memory/1632-10-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1632-11-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1632-12-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1632-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1632-14-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1632-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1632-18-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1632-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1632-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1632-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1632-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1632-28-0x0000000000400000-0x0000000000482000-memory.dmp