2f71c9336d11d2a6a41870981c0276b9850a59054733a144672c941574826f9e

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15-03-2024 06:24

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General

Target

cab4c3f1c06bb247c5ee46484c82bded.pdf
Size

110KB
MD5

cab4c3f1c06bb247c5ee46484c82bded
SHA1

133baca670e932fd46f4db74ca599f864a444202
SHA256

2f71c9336d11d2a6a41870981c0276b9850a59054733a144672c941574826f9e
SHA512

50671f3537c5d5d11c538b4e3c89628da5c04ba261f78be1e21ea1e27421e980fc7e11f86ddd8f82418d499b0bc179a2d9c3b6c4814f4aeb8abdb82bdf01fbc7
SSDEEP

3072:55CK0drwJ0aa66pDUTCj2orDUSORIKj6U9xCCGqdQR0:5p09XI6pcCjzrDUPHSG

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2784	AcroRd32.exe
2784	AcroRd32.exe
2784	AcroRd32.exe
2784	AcroRd32.exe
2784	AcroRd32.exe
2784	AcroRd32.exe
2784	AcroRd32.exe
2784	AcroRd32.exe
2784	AcroRd32.exe
2784	AcroRd32.exe
2784	AcroRd32.exe
2784	AcroRd32.exe
2784	AcroRd32.exe
2784	AcroRd32.exe
2784	AcroRd32.exe
2784	AcroRd32.exe
2784	AcroRd32.exe
2784	AcroRd32.exe
2784	AcroRd32.exe
2784	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2784	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2784	AcroRd32.exe
2784	AcroRd32.exe
2784	AcroRd32.exe
2784	AcroRd32.exe
2784	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2784 wrote to memory of 4924	2784	AcroRd32.exe	93
PID 2784 wrote to memory of 4924	2784	AcroRd32.exe	93
PID 2784 wrote to memory of 4924	2784	AcroRd32.exe	93
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 3384	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 1864	4924	RdrCEF.exe	97
PID 4924 wrote to memory of 1864	4924	RdrCEF.exe	97
PID 4924 wrote to memory of 1864	4924	RdrCEF.exe	97
PID 4924 wrote to memory of 1864	4924	RdrCEF.exe	97
PID 4924 wrote to memory of 1864	4924	RdrCEF.exe	97
PID 4924 wrote to memory of 1864	4924	RdrCEF.exe	97
PID 4924 wrote to memory of 1864	4924	RdrCEF.exe	97
PID 4924 wrote to memory of 1864	4924	RdrCEF.exe	97
PID 4924 wrote to memory of 1864	4924	RdrCEF.exe	97
PID 4924 wrote to memory of 1864	4924	RdrCEF.exe	97
PID 4924 wrote to memory of 1864	4924	RdrCEF.exe	97
PID 4924 wrote to memory of 1864	4924	RdrCEF.exe	97
PID 4924 wrote to memory of 1864	4924	RdrCEF.exe	97
PID 4924 wrote to memory of 1864	4924	RdrCEF.exe	97
PID 4924 wrote to memory of 1864	4924	RdrCEF.exe	97
PID 4924 wrote to memory of 1864	4924	RdrCEF.exe	97
PID 4924 wrote to memory of 1864	4924	RdrCEF.exe	97
PID 4924 wrote to memory of 1864	4924	RdrCEF.exe	97
PID 4924 wrote to memory of 1864	4924	RdrCEF.exe	97
PID 4924 wrote to memory of 1864	4924	RdrCEF.exe	97

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\cab4c3f1c06bb247c5ee46484c82bded.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:2784
- 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:4924
- - 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=CD2D505127C8C42ED78F1FC7241F28C3 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3384
- - 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=5AC5891483F6B614F45C4F3917827A72 --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=5AC5891483F6B614F45C4F3917827A72 --renderer-client-id=2 --mojo-platform-channel-handle=1712 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1864
- - 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=5F61E7E281D07442A33845F7D39214E2 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2252
- - 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=BF98F35D75B50CDBFD157FA6950AE157 --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=BF98F35D75B50CDBFD157FA6950AE157 --renderer-client-id=5 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3468
- - 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=6DE8AEFA00941D7108617CED205906E3 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1616
- - 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=824F966CDA2B5C4ACE687408DB2C94D0 --mojo-platform-channel-handle=2836 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5116

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
3e8963a134f39e55b3e3501edbdebb48

SHA1
38a5f5eaacd3e5dd77ccb98fad0aa9a049ad1a61

SHA256
f57553ca61aeb3282cb1c917e1fd95302853f0373bd2d2907a5fb420e1dea39f

SHA512
44a10ab3678f395b90cb89a78d1368bde4e87d7cdd6ff09478b0ab0d863afd91a467f4e5fb86ae3e829238e51ccc06b7daabf46c640af96b430d8e0312454c02

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/2784-28-0x000000000DCB0000-0x000000000DCD1000-memory.dmp

Filesize
132KB

Download