Analysis
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max time kernel
253s -
max time network
219s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2024 15:36
General
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Target
Secure Document Ref3308 (as PDF).ps1
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Size
77KB
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MD5
f0c2b247317b63abd69f4b422ddd4bc5
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SHA1
d6dfc7af14ec7ce36e5610a17e2b48062d6bd340
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SHA256
87e6134a8908b55babd28f66f881c5b4fe395ef2ecc1340f7e571b41510488ec
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SHA512
b398d7b2dc9f4646055c1adc65a1314faf05acfc8960abc6b627c52f699b5f17d2ab2d5cf754b3c13652055249c21005088d772d18756c128fe9589f0dc0f679
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SSDEEP
1536:XAOFi4Uu66VsY4YyUVwM5y8j8kSfn6Usw4zJcVOnVdWi8QEvzh7:wOFiHxkv4kSf6Usw4zYOVs8EB
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
AcroRd32.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe -
Processes:
AcroRd32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 22 IoCs
Processes:
powershell.exeAcroRd32.exepid process 4740 powershell.exe 4740 powershell.exe 3864 AcroRd32.exe 3864 AcroRd32.exe 3864 AcroRd32.exe 3864 AcroRd32.exe 3864 AcroRd32.exe 3864 AcroRd32.exe 3864 AcroRd32.exe 3864 AcroRd32.exe 3864 AcroRd32.exe 3864 AcroRd32.exe 3864 AcroRd32.exe 3864 AcroRd32.exe 3864 AcroRd32.exe 3864 AcroRd32.exe 3864 AcroRd32.exe 3864 AcroRd32.exe 3864 AcroRd32.exe 3864 AcroRd32.exe 3864 AcroRd32.exe 3864 AcroRd32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 4740 powershell.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 3864 AcroRd32.exe 3864 AcroRd32.exe 3864 AcroRd32.exe 3864 AcroRd32.exe 3864 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 3864 wrote to memory of 5068 3864 AcroRd32.exe RdrCEF.exe PID 3864 wrote to memory of 5068 3864 AcroRd32.exe RdrCEF.exe PID 3864 wrote to memory of 5068 3864 AcroRd32.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3084 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3288 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3288 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3288 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3288 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3288 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3288 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3288 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3288 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3288 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3288 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3288 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3288 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3288 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3288 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3288 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3288 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3288 5068 RdrCEF.exe RdrCEF.exe PID 5068 wrote to memory of 3288 5068 RdrCEF.exe RdrCEF.exe
Processes
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\Secure Document Ref3308 (as PDF).ps1"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4740
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3864 -
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=165140432⤵
- Suspicious use of WriteProcessMemory
PID:5068 -
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=866F6947D478057EE69D029B46BF128C --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3288
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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=03DFE2F3D5457789C69A5BAEC28F90E1 --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=03DFE2F3D5457789C69A5BAEC28F90E1 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:3084
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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=9E4571580D8E914E432BEC035B7A85F7 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:220
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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=14E62BEEE14B77559938F9DA9C7A7A71 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3832
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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=0DA319502E750282F6C60AB35EB3D56F --mojo-platform-channel-handle=2492 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2192
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
64KB
MD55bd3f350077b02d2c03556fd5d70ce4f
SHA1021edfa51cb9b8235b70ced16fdf0c3ed980e4be
SHA256c1fa58a6c209434eb87f64c1cd4b9c374bed4246e1fd2d25ec57c0b3c9cc8c0c
SHA51289f45ef2c693892f7ed95a1c401318b8fc2c3f630d337fb70dc361d7a0ee40069d4ceed087b44e108947d2d0d0dc293361687f5371339d35421d166bbfc9a87c
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jy0zyjps.jsg.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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memory/3864-140-0x0000000009BA0000-0x0000000009E4B000-memory.dmpFilesize
2.7MB
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memory/4740-0-0x00000168754E0000-0x0000016875502000-memory.dmpFilesize
136KB
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memory/4740-10-0x00007FF9862C0000-0x00007FF986D81000-memory.dmpFilesize
10.8MB
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memory/4740-11-0x0000016875540000-0x0000016875550000-memory.dmpFilesize
64KB
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memory/4740-12-0x0000016875540000-0x0000016875550000-memory.dmpFilesize
64KB
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memory/4740-15-0x00007FF9862C0000-0x00007FF986D81000-memory.dmpFilesize
10.8MB