40c018a70df0a1c84fa1a48449d895d029d0f8ce83a7edb71e4089b3955bd290

Analysis

max time kernel
140s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 16:34

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General

Target

8fa2c65a7fd021d6c78bc5ab5ca56d57.pdf
Size

13KB
MD5

8fa2c65a7fd021d6c78bc5ab5ca56d57
SHA1

f5924432e639a8faafa87ad42af8fd3b04935f32
SHA256

40c018a70df0a1c84fa1a48449d895d029d0f8ce83a7edb71e4089b3955bd290
SHA512

c1d7a5da10fc63d773f07f144c81b87cd3f089b5dd8e66c377a69b8318189f23366f55ddce4399d4d44d0fb4f3129b473643cc1a33777124c3c5587c3f857ea3
SSDEEP

384:6hzaNwAO9GiJlDmlAloSAhmbZ9/oQi/60G7J8vKIs:ahZGirHAhmbZ9wQC6dJiKH

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
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3404	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3404 wrote to memory of 1716	3404	AcroRd32.exe	87
PID 3404 wrote to memory of 1716	3404	AcroRd32.exe	87
PID 3404 wrote to memory of 1716	3404	AcroRd32.exe	87
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 1480	1716	RdrCEF.exe	88
PID 1716 wrote to memory of 4596	1716	RdrCEF.exe	89
PID 1716 wrote to memory of 4596	1716	RdrCEF.exe	89
PID 1716 wrote to memory of 4596	1716	RdrCEF.exe	89
PID 1716 wrote to memory of 4596	1716	RdrCEF.exe	89
PID 1716 wrote to memory of 4596	1716	RdrCEF.exe	89
PID 1716 wrote to memory of 4596	1716	RdrCEF.exe	89
PID 1716 wrote to memory of 4596	1716	RdrCEF.exe	89
PID 1716 wrote to memory of 4596	1716	RdrCEF.exe	89
PID 1716 wrote to memory of 4596	1716	RdrCEF.exe	89
PID 1716 wrote to memory of 4596	1716	RdrCEF.exe	89
PID 1716 wrote to memory of 4596	1716	RdrCEF.exe	89
PID 1716 wrote to memory of 4596	1716	RdrCEF.exe	89
PID 1716 wrote to memory of 4596	1716	RdrCEF.exe	89
PID 1716 wrote to memory of 4596	1716	RdrCEF.exe	89
PID 1716 wrote to memory of 4596	1716	RdrCEF.exe	89
PID 1716 wrote to memory of 4596	1716	RdrCEF.exe	89
PID 1716 wrote to memory of 4596	1716	RdrCEF.exe	89
PID 1716 wrote to memory of 4596	1716	RdrCEF.exe	89
PID 1716 wrote to memory of 4596	1716	RdrCEF.exe	89
PID 1716 wrote to memory of 4596	1716	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\8fa2c65a7fd021d6c78bc5ab5ca56d57.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:3404
- 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:1716
- - 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=37CC591C2A4BBF7C38C10DAB97E5796E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1480
- - 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=5B68D809CA20CF6DFC0769F8EE099D64 --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=5B68D809CA20CF6DFC0769F8EE099D64 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4596
- - 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=B83EA81C42FE9570FBF6927557F3D288 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:668
- - 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=2EA72B8EA169C0C43BFB4236C9269996 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4944
- - 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=F382D9FBA049341508D89772F7FF3AD3 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4244
- - 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=00A3130EE7CC4CB20158790CF9A16788 --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=00A3130EE7CC4CB20158790CF9A16788 --renderer-client-id=7 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3456

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2984

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
5aa941921797761e9605b810c6be2eb4

SHA1
97e62b249069bdf5091d5093ca130cb86207935a

SHA256
daf7f609353a1e6115b11f83288542019a44a931c542d71ce9044835b5b4a633

SHA512
95117e7e42c207a627660a6b62a64379d6103c88b430ea14b8a80116adf8bf4c84d6e575fafdbe9c7682decb1336a01fc8da6e4423f7aebe703a15d76e8176d6

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit