e71f2c54c98dc91cdba9b9a645a3af12fa49d283387bc3a8983f4ecb0163ce9b

Analysis

max time kernel
142s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 14:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8c8e0b2489a18eae602582c9e36b2f26.pdf
Size

87KB
MD5

8c8e0b2489a18eae602582c9e36b2f26
SHA1

483767f01039723310996f49a6109eb75a4f1184
SHA256

e71f2c54c98dc91cdba9b9a645a3af12fa49d283387bc3a8983f4ecb0163ce9b
SHA512

30d6d1fbc7c3baa7fe68a1895fc354e27980c747781315749ff5e1f6ef79f22d7a436fba7320548cdd632c5155e30d379d7bc3a10e185f7fc7315b5f528f7417
SSDEEP

1536:QuSgyK3DdGP3A5LSFRPqVBHK5iHvZtSRWCpOViIW1nPf+ehiLJ:bSg5dGkSTCBq5UvZ1VilPBhO

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3452	AcroRd32.exe
3452	AcroRd32.exe
3452	AcroRd32.exe
3452	AcroRd32.exe
3452	AcroRd32.exe
3452	AcroRd32.exe
3452	AcroRd32.exe
3452	AcroRd32.exe
3452	AcroRd32.exe
3452	AcroRd32.exe
3452	AcroRd32.exe
3452	AcroRd32.exe
3452	AcroRd32.exe
3452	AcroRd32.exe
3452	AcroRd32.exe
3452	AcroRd32.exe
3452	AcroRd32.exe
3452	AcroRd32.exe
3452	AcroRd32.exe
3452	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3452	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3452	AcroRd32.exe
3452	AcroRd32.exe
3452	AcroRd32.exe
3452	AcroRd32.exe
3452	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3452 wrote to memory of 1964	3452	AcroRd32.exe	90
PID 3452 wrote to memory of 1964	3452	AcroRd32.exe	90
PID 3452 wrote to memory of 1964	3452	AcroRd32.exe	90
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3764	1964	RdrCEF.exe	92
PID 1964 wrote to memory of 3124	1964	RdrCEF.exe	93
PID 1964 wrote to memory of 3124	1964	RdrCEF.exe	93
PID 1964 wrote to memory of 3124	1964	RdrCEF.exe	93
PID 1964 wrote to memory of 3124	1964	RdrCEF.exe	93
PID 1964 wrote to memory of 3124	1964	RdrCEF.exe	93
PID 1964 wrote to memory of 3124	1964	RdrCEF.exe	93
PID 1964 wrote to memory of 3124	1964	RdrCEF.exe	93
PID 1964 wrote to memory of 3124	1964	RdrCEF.exe	93
PID 1964 wrote to memory of 3124	1964	RdrCEF.exe	93
PID 1964 wrote to memory of 3124	1964	RdrCEF.exe	93
PID 1964 wrote to memory of 3124	1964	RdrCEF.exe	93
PID 1964 wrote to memory of 3124	1964	RdrCEF.exe	93
PID 1964 wrote to memory of 3124	1964	RdrCEF.exe	93
PID 1964 wrote to memory of 3124	1964	RdrCEF.exe	93
PID 1964 wrote to memory of 3124	1964	RdrCEF.exe	93
PID 1964 wrote to memory of 3124	1964	RdrCEF.exe	93
PID 1964 wrote to memory of 3124	1964	RdrCEF.exe	93
PID 1964 wrote to memory of 3124	1964	RdrCEF.exe	93
PID 1964 wrote to memory of 3124	1964	RdrCEF.exe	93
PID 1964 wrote to memory of 3124	1964	RdrCEF.exe	93

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\8c8e0b2489a18eae602582c9e36b2f26.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:3452
- 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:1964
- - 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=945CD3D1A3AED61ED116ADE65224F252 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3764
- - 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=5874BC1ECD315FC74B5CA6703690C392 --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=5874BC1ECD315FC74B5CA6703690C392 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3124
- - 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=325C60849B8A95CAC20084360AF4B4A3 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:392
- - 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=70D5A76AB2ABF92AD498E9440A4709B1 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1064
- - 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=2EE478CBF453D9DFED650D26EE0E0A38 --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=2EE478CBF453D9DFED650D26EE0E0A38 --renderer-client-id=6 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4020
- - 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=E3074F445A604A62F4CB41DB09B53577 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4204

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3736

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
3cc49fff6ca68b32f51e2e7d291044ce

SHA1
6f73f400c32e0b8ed4cc8a529c82d199dd750286

SHA256
44a2ceab024065709bc48286ebd540499ad8c25d4d5747fb41ae32939fcd5d4f

SHA512
74c62a55d8afdfb51f883d4de4946f4c9fa221e3651cb72979e32d963a404db58b22e6c49a523728020d4ca794e590be7a14c416acec9f0a47aa03a8d6eea15d

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