8510ceb64a066b51d771d30d431e1b75f4d228ed6f9bff3827da35bfe910d2a3

Analysis

max time kernel
141s
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
03-02-2024 06:26

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General

Target

8ba156a6f04c7ad948ddfcea617b69bc.pdf
Size

93KB
MD5

8ba156a6f04c7ad948ddfcea617b69bc
SHA1

8f3142a1731101b7f6ccabb12a54af46912b6dfb
SHA256

8510ceb64a066b51d771d30d431e1b75f4d228ed6f9bff3827da35bfe910d2a3
SHA512

3724c3621413b9f6addd7b0284c08b11c1bbdca701b06aaff08d099d9f40f4b2bf72fd01dfb17845a8e0e997e0dd477176d50bcc961c7a025aeca942bcd79dd0
SSDEEP

384:B3O+eOyEwnt+IthrXtJrcZiLHQOtvatO7JJAjWYRtzOwy/1PDUttFVYtlnPFKu/k:bH

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2992	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 4672	2992	AcroRd32.exe	89
PID 2992 wrote to memory of 4672	2992	AcroRd32.exe	89
PID 2992 wrote to memory of 4672	2992	AcroRd32.exe	89
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 768	4672	RdrCEF.exe	91
PID 4672 wrote to memory of 3424	4672	RdrCEF.exe	90
PID 4672 wrote to memory of 3424	4672	RdrCEF.exe	90
PID 4672 wrote to memory of 3424	4672	RdrCEF.exe	90
PID 4672 wrote to memory of 3424	4672	RdrCEF.exe	90
PID 4672 wrote to memory of 3424	4672	RdrCEF.exe	90
PID 4672 wrote to memory of 3424	4672	RdrCEF.exe	90
PID 4672 wrote to memory of 3424	4672	RdrCEF.exe	90
PID 4672 wrote to memory of 3424	4672	RdrCEF.exe	90
PID 4672 wrote to memory of 3424	4672	RdrCEF.exe	90
PID 4672 wrote to memory of 3424	4672	RdrCEF.exe	90
PID 4672 wrote to memory of 3424	4672	RdrCEF.exe	90
PID 4672 wrote to memory of 3424	4672	RdrCEF.exe	90
PID 4672 wrote to memory of 3424	4672	RdrCEF.exe	90
PID 4672 wrote to memory of 3424	4672	RdrCEF.exe	90
PID 4672 wrote to memory of 3424	4672	RdrCEF.exe	90
PID 4672 wrote to memory of 3424	4672	RdrCEF.exe	90
PID 4672 wrote to memory of 3424	4672	RdrCEF.exe	90
PID 4672 wrote to memory of 3424	4672	RdrCEF.exe	90
PID 4672 wrote to memory of 3424	4672	RdrCEF.exe	90
PID 4672 wrote to memory of 3424	4672	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\8ba156a6f04c7ad948ddfcea617b69bc.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:2992
- 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:4672
- - 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=C93F687FCE289865BBE74BEE866D44D2 --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=C93F687FCE289865BBE74BEE866D44D2 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3424
- - 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=874C4931598DF3E0415803C60784DA4E --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:768
- - 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=A784C57103ACE01ABB346FCBCC230603 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2812
- - 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=7AA9CF66E6FDCAB14CEC736A63B1F409 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4572
- - 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=883835010D8055E78CBA53017BC19879 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:216
- - 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=D7FD73C917BF014BC334DFBCB0764ED9 --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=D7FD73C917BF014BC334DFBCB0764ED9 --renderer-client-id=8 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3284

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2292

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
abbc7e4d9a155f27fac2c00cbaa76b29

SHA1
a5a3039aa3dde0f3751c8e081aafb605cc944166

SHA256
db23a44f5f7bef1e2e5f32101b83de50f3e4b9e84b221dd03d6efa72a1424352

SHA512
94bf091da47c821f2797a9df77e23615917e2c6b428644c45ef8dde7d1b8dde47fa1bbe5179462b5b3e5cf84e06d62ad52df434d1b01f3304ec312fd702b6dae

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