c3d6d336452a452ba9b98bd947232d5d59e72bfb3d75256c92b2e6bf5edc6241

Analysis

max time kernel
148s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03/06/2024, 10:59

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General

Target
VB.pdf
Size 166KB
Sample240603-m3htcacb3s
SHA256 c3d6d336452a452ba9b98bd947232d5d59e72bfb3d75256c92b2e6bf5edc6241
MD5 ed9c051d0613863f645f88176def63c1
SHA1 389928d8e82473657e59e04ce27428068d2342bd
SHA512 4ac7c7389651b791a621ce6cb835a586224f42e20373a23b05c3a94566d250c139b98724f94d016e447b98a63fdbbdaf42097ae291de7fad811885577a58da0a
SSDEEP 3072:EdfU9tk7CES13/zrVLWKS8k/ApnJTfLGfLNWkJlFt9z6Rx7XFKGWjat3vsz:E6zPEkLIYwApnJTfyfLNb39z6RRFKfjj
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 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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3144	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3144 wrote to memory of 2804	3144	AcroRd32.exe	91
PID 3144 wrote to memory of 2804	3144	AcroRd32.exe	91
PID 3144 wrote to memory of 2804	3144	AcroRd32.exe	91
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3556	2804	RdrCEF.exe	93
PID 2804 wrote to memory of 3816	2804	RdrCEF.exe	94
PID 2804 wrote to memory of 3816	2804	RdrCEF.exe	94
PID 2804 wrote to memory of 3816	2804	RdrCEF.exe	94
PID 2804 wrote to memory of 3816	2804	RdrCEF.exe	94
PID 2804 wrote to memory of 3816	2804	RdrCEF.exe	94
PID 2804 wrote to memory of 3816	2804	RdrCEF.exe	94
PID 2804 wrote to memory of 3816	2804	RdrCEF.exe	94
PID 2804 wrote to memory of 3816	2804	RdrCEF.exe	94
PID 2804 wrote to memory of 3816	2804	RdrCEF.exe	94
PID 2804 wrote to memory of 3816	2804	RdrCEF.exe	94
PID 2804 wrote to memory of 3816	2804	RdrCEF.exe	94
PID 2804 wrote to memory of 3816	2804	RdrCEF.exe	94
PID 2804 wrote to memory of 3816	2804	RdrCEF.exe	94
PID 2804 wrote to memory of 3816	2804	RdrCEF.exe	94
PID 2804 wrote to memory of 3816	2804	RdrCEF.exe	94
PID 2804 wrote to memory of 3816	2804	RdrCEF.exe	94
PID 2804 wrote to memory of 3816	2804	RdrCEF.exe	94
PID 2804 wrote to memory of 3816	2804	RdrCEF.exe	94
PID 2804 wrote to memory of 3816	2804	RdrCEF.exe	94
PID 2804 wrote to memory of 3816	2804	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\VB.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3144
- 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:2804
- - 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=E9116C3F196C0912D84B343009F6B59F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3556
- - 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=4FE2210EA4869EEA60584666B246E194 --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=4FE2210EA4869EEA60584666B246E194 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3816
- - 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=F6C9BF3159F00DEBFB1AC29BF702D693 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2952
- - 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=43DFA50B5BF30553E456CA21404EFB4A --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=43DFA50B5BF30553E456CA21404EFB4A --renderer-client-id=5 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2496
- - 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=5A4A2740732F98FBB44639E79B8577E9 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3856
- - 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=1C055EF3DF62336E379D61EF3C7C96FE --mojo-platform-channel-handle=2836 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4444

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 3ef36cc3e47fd9ca5f90fd28b4686dc04f8356cc781febbeec6c59685df266fc
MD5 6fa32c32e176cbc3f7d0971b84741a33
SHA1 4f45bd2080f62a7d2438847a70cd1af0e446bf44
SHA512 cb10673e8049eef2535db34d03747dec179d6f68e098a798b97d53f5f777371385d23e0155f8a5c9b973c9959645b435440efed753074705ca63c352cbce38af
SSDEEP 384:yeMdThP6tELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:26+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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