7ab20ca0107f85b5ec838b76474e2c49f1295041f637f6c7130b745acecebf8a

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 03:42

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General

Target

Stamps/FOR COMMENT.pdf
Size

6KB
MD5

89712f7da49fa4d8136f62d5a4425296
SHA1

3224c7c93c5f915298350d13a0fe647e77cbecf0
SHA256

1d9b676d93ec5f509891e14f83ebd7de9f629c151e454a608a87e82d3af842db
SHA512

0db6dfd28e414c96a8427869418e4fa1a5559e136b7b3dfde2ffcf3379829cf7400e71ff425c841bec8b400fb12b9e735c9b45ff460c31fc25fa284284c16326
SSDEEP

192:lkUoVT2R9+39TeDiU038wW/1238iwJEP0u:GUYT2R+9TeDiPdW/7JEp

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
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2544	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 4952	2544	AcroRd32.exe	93
PID 2544 wrote to memory of 4952	2544	AcroRd32.exe	93
PID 2544 wrote to memory of 4952	2544	AcroRd32.exe	93
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 3468	4952	RdrCEF.exe	94
PID 4952 wrote to memory of 5004	4952	RdrCEF.exe	95
PID 4952 wrote to memory of 5004	4952	RdrCEF.exe	95
PID 4952 wrote to memory of 5004	4952	RdrCEF.exe	95
PID 4952 wrote to memory of 5004	4952	RdrCEF.exe	95
PID 4952 wrote to memory of 5004	4952	RdrCEF.exe	95
PID 4952 wrote to memory of 5004	4952	RdrCEF.exe	95
PID 4952 wrote to memory of 5004	4952	RdrCEF.exe	95
PID 4952 wrote to memory of 5004	4952	RdrCEF.exe	95
PID 4952 wrote to memory of 5004	4952	RdrCEF.exe	95
PID 4952 wrote to memory of 5004	4952	RdrCEF.exe	95
PID 4952 wrote to memory of 5004	4952	RdrCEF.exe	95
PID 4952 wrote to memory of 5004	4952	RdrCEF.exe	95
PID 4952 wrote to memory of 5004	4952	RdrCEF.exe	95
PID 4952 wrote to memory of 5004	4952	RdrCEF.exe	95
PID 4952 wrote to memory of 5004	4952	RdrCEF.exe	95
PID 4952 wrote to memory of 5004	4952	RdrCEF.exe	95
PID 4952 wrote to memory of 5004	4952	RdrCEF.exe	95
PID 4952 wrote to memory of 5004	4952	RdrCEF.exe	95
PID 4952 wrote to memory of 5004	4952	RdrCEF.exe	95
PID 4952 wrote to memory of 5004	4952	RdrCEF.exe	95

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\Stamps\FOR COMMENT.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:2544
- 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:4952
- - 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=CE784EEA685C484C62A7C30BF10E9055 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=47767AA61671C413FFC5C93599436A9F --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=47767AA61671C413FFC5C93599436A9F --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    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=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=3570CC1B0B5B5BBA2EF0AC265D1D2F19 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1976
- - 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=C9B80392D2853177BF550FC2E7012940 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:792
- - 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=32C0FBBBBA9D4345EFD8573C23326B93 --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=32C0FBBBBA9D4345EFD8573C23326B93 --renderer-client-id=6 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3328
- - 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=9757223464F4ECB3D7FFA53A0C6CE2B5 --mojo-platform-channel-handle=2776 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3172

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:748

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
2d5f81c62ecddd4ea59bc82ff5577f61

SHA1
23775015e5bddae817a34c1972260255fc3de7ab

SHA256
db220ef9cd7c9c8b97339884b4fc065989f7273ed6c4ea78dd8e4f2a6b0b7c39

SHA512
29a9fec57e67e0dfa4be5cc6de7a948417d5a1fd0a36dd31a93d6cd2fe57b6b1ab4a0e53e21a9141f8c2ee126a38139edf1c48662f6508841f63142f7934093a

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