3c664b043d8c9df2a5318bbffd862ce72fc988b5737d9c92fbdfb7072e6e7518

Analysis

max time kernel
141s
max time network
136s
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, 05:04

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General

Target

8b77de419fcc6426eda43aca9cf16046.pdf
Size

84KB
MD5

8b77de419fcc6426eda43aca9cf16046
SHA1

778d65b4d4445e87b33764fb55fc7c87ae05c8af
SHA256

3c664b043d8c9df2a5318bbffd862ce72fc988b5737d9c92fbdfb7072e6e7518
SHA512

77d88aed99d999ef2cebf98174b03a181da8a0a11096a97d94dfb6d697b6a04a3a53d6fa15e97c610d03bf3787771858909de1a416eb7b8744b70768f7187277
SSDEEP

1536:IlefhX0iQ8Bdi0gOqzoRWBEmfGpjo3F4sGo3eUvWYpO2qJbHWYDobbcaO:+cJ+4in/CWWpjwF4sGAeV2UbBkC

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3948	AcroRd32.exe
3948	AcroRd32.exe
3948	AcroRd32.exe
3948	AcroRd32.exe
3948	AcroRd32.exe
3948	AcroRd32.exe
3948	AcroRd32.exe
3948	AcroRd32.exe
3948	AcroRd32.exe
3948	AcroRd32.exe
3948	AcroRd32.exe
3948	AcroRd32.exe
3948	AcroRd32.exe
3948	AcroRd32.exe
3948	AcroRd32.exe
3948	AcroRd32.exe
3948	AcroRd32.exe
3948	AcroRd32.exe
3948	AcroRd32.exe
3948	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3948	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3948	AcroRd32.exe
3948	AcroRd32.exe
3948	AcroRd32.exe
3948	AcroRd32.exe
3948	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3948 wrote to memory of 2356	3948	AcroRd32.exe	87
PID 3948 wrote to memory of 2356	3948	AcroRd32.exe	87
PID 3948 wrote to memory of 2356	3948	AcroRd32.exe	87
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 3472	2356	RdrCEF.exe	88
PID 2356 wrote to memory of 2536	2356	RdrCEF.exe	89
PID 2356 wrote to memory of 2536	2356	RdrCEF.exe	89
PID 2356 wrote to memory of 2536	2356	RdrCEF.exe	89
PID 2356 wrote to memory of 2536	2356	RdrCEF.exe	89
PID 2356 wrote to memory of 2536	2356	RdrCEF.exe	89
PID 2356 wrote to memory of 2536	2356	RdrCEF.exe	89
PID 2356 wrote to memory of 2536	2356	RdrCEF.exe	89
PID 2356 wrote to memory of 2536	2356	RdrCEF.exe	89
PID 2356 wrote to memory of 2536	2356	RdrCEF.exe	89
PID 2356 wrote to memory of 2536	2356	RdrCEF.exe	89
PID 2356 wrote to memory of 2536	2356	RdrCEF.exe	89
PID 2356 wrote to memory of 2536	2356	RdrCEF.exe	89
PID 2356 wrote to memory of 2536	2356	RdrCEF.exe	89
PID 2356 wrote to memory of 2536	2356	RdrCEF.exe	89
PID 2356 wrote to memory of 2536	2356	RdrCEF.exe	89
PID 2356 wrote to memory of 2536	2356	RdrCEF.exe	89
PID 2356 wrote to memory of 2536	2356	RdrCEF.exe	89
PID 2356 wrote to memory of 2536	2356	RdrCEF.exe	89
PID 2356 wrote to memory of 2536	2356	RdrCEF.exe	89
PID 2356 wrote to memory of 2536	2356	RdrCEF.exe	89

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\8b77de419fcc6426eda43aca9cf16046.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:3948
- 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:2356
- - 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=C8031B4680624A80908ECF3911AA52F7 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3472
- - 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=64CF26C85CA0BC35083816049A47CF24 --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=64CF26C85CA0BC35083816049A47CF24 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2536
- - 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=80C92B1B6C649F58B511A35226368528 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3008
- - 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=0A0A437D8D4DE113FEB18B3A9257EA36 --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=0A0A437D8D4DE113FEB18B3A9257EA36 --renderer-client-id=5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1320
- - 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=60DFF15072FD38D9E78705B1CCB834A0 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3960
- - 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=A4E447FBBE5074789E5EDB0D2E06C2BB --mojo-platform-channel-handle=2272 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:456

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3508

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

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Downloads

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

Filesize
64KB

MD5
96db5aa5f7b205aae99c53f44effb7d7

SHA1
b3eaf8dd6fe9c4dffbbc669ba211a16549cd9889

SHA256
826e3d08f00ec7b3766def2c2081df0ec8b9fc14e57525900fa117bea70407a6

SHA512
c82226d955cbcf1b00fb6ac9479c383a6b30964a27fd96be3a4a63f86cef733c259a29be7244456e6c738dd86bab371f42d3b8d2d1cb9110c759fe9e5a769627

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/3948-26-0x000000000C400000-0x000000000C450000-memory.dmp

Filesize
320KB

Download