445dc33d1422bfead8d3ed1bb11e56542078a21dbc27a7a2a4a94eb31d4d957f

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 06:53

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General

Target

2c51a1f309a274493c8450d9276612d6.pdf
Size

86KB
MD5

2c51a1f309a274493c8450d9276612d6
SHA1

a0d245c73aba775286c4b6a51bd19a04f60edcb0
SHA256

445dc33d1422bfead8d3ed1bb11e56542078a21dbc27a7a2a4a94eb31d4d957f
SHA512

5b95724d27bc8329096a495bd5c103c8710f4fbd072540a09301720fbadd0d6066b2a0bf5b9ff9183ae3c3dd24a34841cf8cebaa3d3673615942eb0b9dec3bfa
SSDEEP

1536:P7PYrq0sfdu+bavFOaO9rOnQD206P1Q/wFWteeZLOTwAIW8pO+Fiy:TEsfAv899rOQZ6QwRsLOTvz+1

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3828	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3828 wrote to memory of 1352	3828	AcroRd32.exe	90
PID 3828 wrote to memory of 1352	3828	AcroRd32.exe	90
PID 3828 wrote to memory of 1352	3828	AcroRd32.exe	90
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 3500	1352	RdrCEF.exe	94
PID 1352 wrote to memory of 1584	1352	RdrCEF.exe	93
PID 1352 wrote to memory of 1584	1352	RdrCEF.exe	93
PID 1352 wrote to memory of 1584	1352	RdrCEF.exe	93
PID 1352 wrote to memory of 1584	1352	RdrCEF.exe	93
PID 1352 wrote to memory of 1584	1352	RdrCEF.exe	93
PID 1352 wrote to memory of 1584	1352	RdrCEF.exe	93
PID 1352 wrote to memory of 1584	1352	RdrCEF.exe	93
PID 1352 wrote to memory of 1584	1352	RdrCEF.exe	93
PID 1352 wrote to memory of 1584	1352	RdrCEF.exe	93
PID 1352 wrote to memory of 1584	1352	RdrCEF.exe	93
PID 1352 wrote to memory of 1584	1352	RdrCEF.exe	93
PID 1352 wrote to memory of 1584	1352	RdrCEF.exe	93
PID 1352 wrote to memory of 1584	1352	RdrCEF.exe	93
PID 1352 wrote to memory of 1584	1352	RdrCEF.exe	93
PID 1352 wrote to memory of 1584	1352	RdrCEF.exe	93
PID 1352 wrote to memory of 1584	1352	RdrCEF.exe	93
PID 1352 wrote to memory of 1584	1352	RdrCEF.exe	93
PID 1352 wrote to memory of 1584	1352	RdrCEF.exe	93
PID 1352 wrote to memory of 1584	1352	RdrCEF.exe	93
PID 1352 wrote to memory of 1584	1352	RdrCEF.exe	93

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\2c51a1f309a274493c8450d9276612d6.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:3828
- 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:1352
- - 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=D58C62FD67AED0361AD37224EDF1966E --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=D58C62FD67AED0361AD37224EDF1966E --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1584
- - 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=AFBE1850664CEF78E18111F38707F57F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3500
- - 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=A5CB0C72798AC1074962C4D7C6B90122 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2300
- - 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=6BBD72D4841026415AEA388F5D9A0B13 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4668
- - 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=231D9383EAD957E0EA057075483F6746 --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=231D9383EAD957E0EA057075483F6746 --renderer-client-id=6 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job /prefetch:1
    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=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=E504C19BC272B0C0D5AFF0049B3CAB07 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3988

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2968

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
7a8dff13e501e26ebcfdb9ad9bcf8a5a

SHA1
411762318ac81c5f34f08252c6b4609b9aab0ea2

SHA256
5bfb3098cca0a6b6ad488532181f08e0167b4dd6c6f1df9624331bfb5f18b600

SHA512
ca62cd99440f351f72c9c91826347645ef597c184e2a2a6cd09b80d4ce508e0aaebce20928216b4dff2d4762d42d1bcf75061e8067e81bcd5e8e1f8b8ddc2529

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