81baec642bcfe55a79ac1cec4ea8b0dbdb09166c8fec66d16a059add4286b97f

Analysis

max time kernel
143s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 13:08

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General

Target

9958a7861cbc6bf29a71e1ea29383990.pdf
Size

86KB
MD5

9958a7861cbc6bf29a71e1ea29383990
SHA1

08fdd362e9a9dedb57bac9407f44041e4bece04b
SHA256

81baec642bcfe55a79ac1cec4ea8b0dbdb09166c8fec66d16a059add4286b97f
SHA512

3c00ecf52e9845356e3f40b07b8f9c6f3b1304a4d04a5ca3394a6ae9aefd4e91773818506725bc56853ddd055019898458267da1791902ba954b7ac209bfe9c5
SSDEEP

1536:eEsdoUjBYQwAypPZClWu0Wxq8sc9JwXvJ84fZiSahZSWxAPoiyWapOtQm1UomX1n:XsdvYQXypBCsBHlHfaQs9sPoiPtQIUou

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4676	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4676 wrote to memory of 4360	4676	AcroRd32.exe	99
PID 4676 wrote to memory of 4360	4676	AcroRd32.exe	99
PID 4676 wrote to memory of 4360	4676	AcroRd32.exe	99
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4988	4360	RdrCEF.exe	101
PID 4360 wrote to memory of 4808	4360	RdrCEF.exe	102
PID 4360 wrote to memory of 4808	4360	RdrCEF.exe	102
PID 4360 wrote to memory of 4808	4360	RdrCEF.exe	102
PID 4360 wrote to memory of 4808	4360	RdrCEF.exe	102
PID 4360 wrote to memory of 4808	4360	RdrCEF.exe	102
PID 4360 wrote to memory of 4808	4360	RdrCEF.exe	102
PID 4360 wrote to memory of 4808	4360	RdrCEF.exe	102
PID 4360 wrote to memory of 4808	4360	RdrCEF.exe	102
PID 4360 wrote to memory of 4808	4360	RdrCEF.exe	102
PID 4360 wrote to memory of 4808	4360	RdrCEF.exe	102
PID 4360 wrote to memory of 4808	4360	RdrCEF.exe	102
PID 4360 wrote to memory of 4808	4360	RdrCEF.exe	102
PID 4360 wrote to memory of 4808	4360	RdrCEF.exe	102
PID 4360 wrote to memory of 4808	4360	RdrCEF.exe	102
PID 4360 wrote to memory of 4808	4360	RdrCEF.exe	102
PID 4360 wrote to memory of 4808	4360	RdrCEF.exe	102
PID 4360 wrote to memory of 4808	4360	RdrCEF.exe	102
PID 4360 wrote to memory of 4808	4360	RdrCEF.exe	102
PID 4360 wrote to memory of 4808	4360	RdrCEF.exe	102
PID 4360 wrote to memory of 4808	4360	RdrCEF.exe	102

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\9958a7861cbc6bf29a71e1ea29383990.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:4676
- 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:4360
- - 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=E1E91AB844E35C916EE3E1526EA3E77D --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4988
- - 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=8D1204DD1AD6F6DB656B7CDC5CC37BA8 --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=8D1204DD1AD6F6DB656B7CDC5CC37BA8 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4808
- - 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=A4EC6B9A879B24AFD39524CE7ED37300 --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=A4EC6B9A879B24AFD39524CE7ED37300 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1184
- - 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=38A58AD2AE5798C8E217A45717EEB53F --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3212
- - 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=6981F4AD118B99CF1EB4CE789E0B9B0D --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2152
- - 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=764D09876239C7424281188EE2A4B234 --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2976

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3600

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
e45c6b54ccebc2e3b80959c14028ff45

SHA1
8c6bf6dedd91f33d96c3e8e73b8447373282358b

SHA256
634f15d0e60d5eeb9415e083664a1f91262f9f1af970ba7018573fc0ad7b78f4

SHA512
f46e23fcb4c0f07bde8a8177e73448cba8b3d288d2f8f864dfd15b1908f2d969eaa4d0b9097c8936be63a43f9a013d54a61e228ae42b92d971c24ff36fa16a34

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
memory/4676-46-0x000000000BCB0000-0x000000000BCD1000-memory.dmp

Filesize
132KB

Download