0f858cf25db45151a3e50e4717cc4e5bb9dcb6834aa5f0c27dd3814d0dcbe422

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 14:43

Sharing

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General

Target

9bf1f67ea036386157e788c28b86f399.pdf
Size

85KB
MD5

9bf1f67ea036386157e788c28b86f399
SHA1

4da16c6f113c1d34013743df853387d55510be8d
SHA256

0f858cf25db45151a3e50e4717cc4e5bb9dcb6834aa5f0c27dd3814d0dcbe422
SHA512

04d3e1e3f892e22f0768dffb9b688f1d57b0a0ff2c500a23d61ddcfc882052db3bd0a084dc10fc842dc21d5ede164f62f75fe296f23273a610092efe9ce88cbc
SSDEEP

1536:t0vnHdZf+e9WW1/j906DkMwm2EjANcN9HaHWvCqR6AqdJW8pO7k0I:evnf1/jZDWEssCq4Aqdg7Q

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
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3088	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3088 wrote to memory of 876	3088	AcroRd32.exe	85
PID 3088 wrote to memory of 876	3088	AcroRd32.exe	85
PID 3088 wrote to memory of 876	3088	AcroRd32.exe	85
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 2912	876	RdrCEF.exe	86
PID 876 wrote to memory of 4040	876	RdrCEF.exe	87
PID 876 wrote to memory of 4040	876	RdrCEF.exe	87
PID 876 wrote to memory of 4040	876	RdrCEF.exe	87
PID 876 wrote to memory of 4040	876	RdrCEF.exe	87
PID 876 wrote to memory of 4040	876	RdrCEF.exe	87
PID 876 wrote to memory of 4040	876	RdrCEF.exe	87
PID 876 wrote to memory of 4040	876	RdrCEF.exe	87
PID 876 wrote to memory of 4040	876	RdrCEF.exe	87
PID 876 wrote to memory of 4040	876	RdrCEF.exe	87
PID 876 wrote to memory of 4040	876	RdrCEF.exe	87
PID 876 wrote to memory of 4040	876	RdrCEF.exe	87
PID 876 wrote to memory of 4040	876	RdrCEF.exe	87
PID 876 wrote to memory of 4040	876	RdrCEF.exe	87
PID 876 wrote to memory of 4040	876	RdrCEF.exe	87
PID 876 wrote to memory of 4040	876	RdrCEF.exe	87
PID 876 wrote to memory of 4040	876	RdrCEF.exe	87
PID 876 wrote to memory of 4040	876	RdrCEF.exe	87
PID 876 wrote to memory of 4040	876	RdrCEF.exe	87
PID 876 wrote to memory of 4040	876	RdrCEF.exe	87
PID 876 wrote to memory of 4040	876	RdrCEF.exe	87

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\9bf1f67ea036386157e788c28b86f399.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:3088
- 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:876
- - 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=F9339B4F888A91D13CFC86A6C1F61471 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2912
- - 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=6EA8C606E0C50060E906EA5F7006F7CE --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=6EA8C606E0C50060E906EA5F7006F7CE --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4040
- - 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=2B0E0C04FACA445E79042DA19F34DE30 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4300
- - 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=AFED99BAA80D69E1AECF7107E83774AA --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=AFED99BAA80D69E1AECF7107E83774AA --renderer-client-id=5 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4292
- - 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=C722E5188E51C14B28416DDF983CE838 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4388
- - 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=FDE9E7155F4D2D8C191B93DEE21034D9 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2672

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4372

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
2e25ff2ef87c4be7f87b2b6728f9a1f2

SHA1
9a6c1af40dbd2cdc51e85cee56c45c8c543795c6

SHA256
e841a37ecc90ded160642e618788b5d257dab7c7aef32d2c7fccf2629011b409

SHA512
592a952699b5a1d43e55831c3c3fa7f30daf5a8b51a215f4fea929aecf38de9b050544ec53260a05e312b5c1ad3dc6e37eee490d1c65986e1a1e4e645143c353

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/3088-26-0x000000000BB30000-0x000000000BB51000-memory.dmp

Filesize
132KB

Download