acb5a55c1c53a11aafc6ea2cef09410a710c482d263c6b51ae8aae225f654d9b

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2024, 11:58

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General

Target

722dfe0e04a6f176c6d342bc5ceb339e.pdf
Size

45KB
MD5

722dfe0e04a6f176c6d342bc5ceb339e
SHA1

54eddcc4d045c1599e13a05dadcb8a3e058f2570
SHA256

acb5a55c1c53a11aafc6ea2cef09410a710c482d263c6b51ae8aae225f654d9b
SHA512

685b5704df2888bb50c36e568b66eec27498f4f7dd445d6b99d1cad5050e952fb8aee26a47a001f186799501c7f1e84b3f57d34fecc0aeec8fcf021884c333fd
SSDEEP

768:psw+UJhZ39ayh646tDt8kAKDqrVm6uoTP8CvD9TV5:v+296tB8kFyvXb8CBTV5

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

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
644	AcroRd32.exe
644	AcroRd32.exe
644	AcroRd32.exe
644	AcroRd32.exe
644	AcroRd32.exe
644	AcroRd32.exe
644	AcroRd32.exe
644	AcroRd32.exe
644	AcroRd32.exe
644	AcroRd32.exe
644	AcroRd32.exe
644	AcroRd32.exe
644	AcroRd32.exe
644	AcroRd32.exe
644	AcroRd32.exe
644	AcroRd32.exe
644	AcroRd32.exe
644	AcroRd32.exe
644	AcroRd32.exe
644	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
644	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
644	AcroRd32.exe
644	AcroRd32.exe
644	AcroRd32.exe
644	AcroRd32.exe
644	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 644 wrote to memory of 1060	644	AcroRd32.exe	90
PID 644 wrote to memory of 1060	644	AcroRd32.exe	90
PID 644 wrote to memory of 1060	644	AcroRd32.exe	90
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 3888	1060	RdrCEF.exe	93
PID 1060 wrote to memory of 232	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 232	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 232	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 232	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 232	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 232	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 232	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 232	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 232	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 232	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 232	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 232	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 232	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 232	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 232	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 232	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 232	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 232	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 232	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 232	1060	RdrCEF.exe	94

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\722dfe0e04a6f176c6d342bc5ceb339e.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:644
- 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:1060
- - 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=681934926AC227A88D0078536028CCF0 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3888
- - 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=BF114F6E45920459FDA7D63E26D07382 --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=BF114F6E45920459FDA7D63E26D07382 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:232
- - 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=DE25D3D75BB8DB2B54F00D67C75CF5CA --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=DE25D3D75BB8DB2B54F00D67C75CF5CA --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1100
- - 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=4215F00473ED6F2F0D976F2757448FFB --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3948
- - 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=63703C09DD30D177329B01AAF2AFD2F5 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4092
- - 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=A2ED06918011C3F4D189A0EC118056B4 --mojo-platform-channel-handle=2760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1260

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:444

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

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
2aec13ae3e780bac281ce1759ee91326

SHA1
8146c4402a2a5b489d7ce28f3738f1630be9eded

SHA256
86253eefd2c72255960d3003521c4147a8c020d94f9cadc31252367e699b5d4d

SHA512
ff3c874cda173c5ded2b25737e0e840f504c983284961e687c6f2cbe500a4a4f1b5429727492742c077f42885a9d9f62fff77d9de14011b15793933e91105448

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/644-28-0x0000000009C70000-0x0000000009C91000-memory.dmp

Filesize
132KB

Download