bc4ff5aa746628ea8dd898680aca2d663746c8a3a72a0ddceff786c36514227e

Analysis

max time kernel
150s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2024, 04:34

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General

Target

3be8035286183ed3fad4f31005bf6de1.pdf
Size

43KB
MD5

3be8035286183ed3fad4f31005bf6de1
SHA1

c7f63df921e89ca6421c91dd55fed848f2d03ed3
SHA256

bc4ff5aa746628ea8dd898680aca2d663746c8a3a72a0ddceff786c36514227e
SHA512

1db840580108444438b12a4261501f194abcead4f77094598e1e35733bda7198db01a184736e6de840076c7a67ed5f060cd9dda5e2fca3669716a4cced2f3288
SSDEEP

768:ndiwL8I9K98U9/ZDggfPoBiMowiYcsBN+QaTQAOrK7zveWEsGs2jXBz:dR839Dx+EPoBiFwjYOra8ps2jXBz

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2816	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 1136	2816	AcroRd32.exe	93
PID 2816 wrote to memory of 1136	2816	AcroRd32.exe	93
PID 2816 wrote to memory of 1136	2816	AcroRd32.exe	93
PID 2816 wrote to memory of 772	2816	AcroRd32.exe	94
PID 2816 wrote to memory of 772	2816	AcroRd32.exe	94
PID 2816 wrote to memory of 772	2816	AcroRd32.exe	94
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 1132	1136	RdrCEF.exe	95
PID 1136 wrote to memory of 4364	1136	RdrCEF.exe	96
PID 1136 wrote to memory of 4364	1136	RdrCEF.exe	96
PID 1136 wrote to memory of 4364	1136	RdrCEF.exe	96
PID 1136 wrote to memory of 4364	1136	RdrCEF.exe	96
PID 1136 wrote to memory of 4364	1136	RdrCEF.exe	96
PID 1136 wrote to memory of 4364	1136	RdrCEF.exe	96
PID 1136 wrote to memory of 4364	1136	RdrCEF.exe	96
PID 1136 wrote to memory of 4364	1136	RdrCEF.exe	96
PID 1136 wrote to memory of 4364	1136	RdrCEF.exe	96
PID 1136 wrote to memory of 4364	1136	RdrCEF.exe	96
PID 1136 wrote to memory of 4364	1136	RdrCEF.exe	96
PID 1136 wrote to memory of 4364	1136	RdrCEF.exe	96
PID 1136 wrote to memory of 4364	1136	RdrCEF.exe	96
PID 1136 wrote to memory of 4364	1136	RdrCEF.exe	96
PID 1136 wrote to memory of 4364	1136	RdrCEF.exe	96
PID 1136 wrote to memory of 4364	1136	RdrCEF.exe	96
PID 1136 wrote to memory of 4364	1136	RdrCEF.exe	96

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\3be8035286183ed3fad4f31005bf6de1.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:2816
- 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:1136
- - 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=460AE9536F2DC302BE117C6109F80E0A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1132
- - 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=AC5EBA7E1512028A0B50A4265E75CEDE --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=AC5EBA7E1512028A0B50A4265E75CEDE --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4364
- - 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=0ECDC2CBE1003271C099D31C7BD7EC4D --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=0ECDC2CBE1003271C099D31C7BD7EC4D --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1812
- - 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=838FE04EFBCB27426B46EAF4D94EF718 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4628
- - 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=19F88668E0206643774675F0513689F7 --mojo-platform-channel-handle=1872 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1196
- - 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=C9EEABE8790915A43FC4C539C7944CBA --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2364
- 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⤵
  PID:772

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:960

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
1ff50ca1680e6bbdf50690ee37e8c525

SHA1
a79bd0459beb3bf4d081c649e72b634aa7d9b761

SHA256
ae3208e87fa60687c3f7d35ec2d8bf5da3bdb57691a128692db4c80b381f1c2d

SHA512
d57ce49f4dfac6ee91e0f3ac221a22adb8c560213237f037380aff7835f4ef5fecf1ae4078c8f3764909e0c00215880997aef610e17b4c4a4758272080d19617

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