61b0666df4a5d207f8d83117b5b0571496aa45802706c1763ba01dbce038509f

Analysis

max time kernel
104s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
20/07/2024, 02:23

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General

Target
3b3db82a90ba5185118e5c6ec0ad5470N.pdf
Size 79KB
Sample240720-cvmr8ascqq
SHA256 61b0666df4a5d207f8d83117b5b0571496aa45802706c1763ba01dbce038509f
MD5 3b3db82a90ba5185118e5c6ec0ad5470
SHA1 9314069607b2935411b27d90a193fd1d59d5d01d
SHA512 d45c63e5bf618502cc6777c3c27963e71f07d22f9c189dd87b8dbb23e08a1e47143c03ae853feb374c89e5d4a2ff0b921a8bd2846db8420167e20fff365aae35
SSDEEP 1536:JFY5CKBF8M0cRfLji4H3N73kuEH71nsBNgWYHTQhZW6pOu2v2P5FClKM:Tp+F8WfLNX9kh1Umy6u2vLn
MD5 SHA1 SHA512 SSDEEP

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1876	AcroRd32.exe
1876	AcroRd32.exe
1876	AcroRd32.exe
1876	AcroRd32.exe
1876	AcroRd32.exe
1876	AcroRd32.exe
1876	AcroRd32.exe
1876	AcroRd32.exe
1876	AcroRd32.exe
1876	AcroRd32.exe
1876	AcroRd32.exe
1876	AcroRd32.exe
1876	AcroRd32.exe
1876	AcroRd32.exe
1876	AcroRd32.exe
1876	AcroRd32.exe
1876	AcroRd32.exe
1876	AcroRd32.exe
1876	AcroRd32.exe
1876	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1876	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1876	AcroRd32.exe
1876	AcroRd32.exe
1876	AcroRd32.exe
1876	AcroRd32.exe
1876	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 3404	1876	AcroRd32.exe	87
PID 1876 wrote to memory of 3404	1876	AcroRd32.exe	87
PID 1876 wrote to memory of 3404	1876	AcroRd32.exe	87
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 1204	3404	RdrCEF.exe	90
PID 3404 wrote to memory of 5032	3404	RdrCEF.exe	91
PID 3404 wrote to memory of 5032	3404	RdrCEF.exe	91
PID 3404 wrote to memory of 5032	3404	RdrCEF.exe	91
PID 3404 wrote to memory of 5032	3404	RdrCEF.exe	91
PID 3404 wrote to memory of 5032	3404	RdrCEF.exe	91
PID 3404 wrote to memory of 5032	3404	RdrCEF.exe	91
PID 3404 wrote to memory of 5032	3404	RdrCEF.exe	91
PID 3404 wrote to memory of 5032	3404	RdrCEF.exe	91
PID 3404 wrote to memory of 5032	3404	RdrCEF.exe	91
PID 3404 wrote to memory of 5032	3404	RdrCEF.exe	91
PID 3404 wrote to memory of 5032	3404	RdrCEF.exe	91
PID 3404 wrote to memory of 5032	3404	RdrCEF.exe	91
PID 3404 wrote to memory of 5032	3404	RdrCEF.exe	91
PID 3404 wrote to memory of 5032	3404	RdrCEF.exe	91
PID 3404 wrote to memory of 5032	3404	RdrCEF.exe	91
PID 3404 wrote to memory of 5032	3404	RdrCEF.exe	91
PID 3404 wrote to memory of 5032	3404	RdrCEF.exe	91
PID 3404 wrote to memory of 5032	3404	RdrCEF.exe	91
PID 3404 wrote to memory of 5032	3404	RdrCEF.exe	91
PID 3404 wrote to memory of 5032	3404	RdrCEF.exe	91

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\3b3db82a90ba5185118e5c6ec0ad5470N.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1876
- 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
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3404
- - 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=EC5BD5ECFE032EB78BA245021703D84D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1204
- - 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=2D3BF03A9E215A0396EE3DD35F79D95F --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=2D3BF03A9E215A0396EE3DD35F79D95F --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5032
- - 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=DB77BE63CB9BB5046C59F72507FEE3E5 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5044
- - 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=85F0CBD17F553F86C48DB1FE226B8B35 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5004
- - 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=984226B97E8B1C9DAE7C920B2A7C27DA --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=984226B97E8B1C9DAE7C920B2A7C27DA --renderer-client-id=6 --mojo-platform-channel-handle=2108 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1392
- - 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=9DC4C3736966694A51D3DD871E90AF30 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3284

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 20ea06d709a5aa5af5eee830efa3f420b6e552854651b82d20b9f4533e37fa56
MD5 53b03196fd4124b76b230a365565bf8b
SHA1 39175fa810686e7687c5d81b1c92d8276f8c3069
SHA512 00d9af82b8303967371b1dceb560f6bafc27729925134abd0627ca3d2c59f202fc1d9a0c89ce6f1d96f5ed8467a1818ee49deb312d5a8f4551e65c3e70a52898
SSDEEP 384:ye+WdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:g+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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