6eed5a2a26c146b3a3a09b14012487900868c8713be12ce5cf776c70081d9ac1

Analysis

max time kernel
143s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04-02-2024 02:09

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General

Target

8df5199434fa91b0aaf7a88f474226f5.pdf
Size

86KB
MD5

8df5199434fa91b0aaf7a88f474226f5
SHA1

e64b861e99c7f6797bf68d8862cb4a1c27a14435
SHA256

6eed5a2a26c146b3a3a09b14012487900868c8713be12ce5cf776c70081d9ac1
SHA512

c22b5f7bda16a7d6f0260631228708979f820f37c2fdf058fb3ecdd3a342f02196e5aaf35084ba7f2afeceeed0e4ebad507ee839e2fae77bc71a391cb72078ec
SSDEEP

1536:Xi+gUEhKKWO9wohLOPwBJGhe+FDRvKC/gbMOFNp5/ol6WmyrABpTpKbWapOtQVPA:y+g5hKzckRDoiHSKABp4UtQ2

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4344	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4344 wrote to memory of 4076	4344	AcroRd32.exe	88
PID 4344 wrote to memory of 4076	4344	AcroRd32.exe	88
PID 4344 wrote to memory of 4076	4344	AcroRd32.exe	88
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4812	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4444	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 4444	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 4444	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 4444	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 4444	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 4444	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 4444	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 4444	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 4444	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 4444	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 4444	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 4444	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 4444	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 4444	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 4444	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 4444	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 4444	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 4444	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 4444	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 4444	4076	RdrCEF.exe	90

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\8df5199434fa91b0aaf7a88f474226f5.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:4344
- 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:4076
- - 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=854E93EEAC64D46FDEDAA89E0CD3A618 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4812
- - 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=95CCC1CA6A4A2DFBA0CAB140B7F28E35 --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=95CCC1CA6A4A2DFBA0CAB140B7F28E35 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4444
- - 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=3EB78A155DE3E507A4EC79AF5D63CA7E --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1180
- - 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=CFE67908963EA20C6EE48D50FE2E33A6 --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=CFE67908963EA20C6EE48D50FE2E33A6 --renderer-client-id=5 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2944
- - 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=1797FF8BB5803139CD56257B277B39E5 --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3980
- - 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=3A06B8EF825B75B74D15613B760CD635 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3196

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3964

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
bf5072ce6c19bb94a921197c904a0f80

SHA1
993e7366e7c525a0f3c0c6438bcb0b9945beb22e

SHA256
ded4739efb9d19b75d550a5610e7e31a4dc6f80d0a3153cee71eb9485f10264d

SHA512
5e598ce3449f95b377e3cb1332ce13b5d8200624b23dc1b9b6fae7feba5a7e424b2d5e420a2aa3be1ee7992678e47f21210b314ba40b445a2e471d39e51e4252

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