61bb373188c62cb013b0254d3f73461ea99fbd3fd6d171db0be7db3d776cc2e1

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
02/02/2024, 07:06

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General

Target

88e045ff304baba8c1ade3f4db5e0dee.pdf
Size

8KB
MD5

88e045ff304baba8c1ade3f4db5e0dee
SHA1

f1e6ceb240b9fe8b8e150b7612bbd19f0ae86127
SHA256

61bb373188c62cb013b0254d3f73461ea99fbd3fd6d171db0be7db3d776cc2e1
SHA512

b415861511f459c83e49878d74992aa2809e7a6a745178e02fd9ad06b5506b0c38c2fca4b4eaf139c82b44058cfd5ce5276a646d94abb263914d3dd5d445a5c3
SSDEEP

192:d0G2myGLrDY05WozGMWOuiBi1VIHlrObTRrTy4EVr+g7/Sbm:dHyG/NM4JP9Bg4tObFrTy4EZ57qi

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5024	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5024 wrote to memory of 1244	5024	AcroRd32.exe	85
PID 5024 wrote to memory of 1244	5024	AcroRd32.exe	85
PID 5024 wrote to memory of 1244	5024	AcroRd32.exe	85
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 2348	1244	RdrCEF.exe	88
PID 1244 wrote to memory of 3776	1244	RdrCEF.exe	89
PID 1244 wrote to memory of 3776	1244	RdrCEF.exe	89
PID 1244 wrote to memory of 3776	1244	RdrCEF.exe	89
PID 1244 wrote to memory of 3776	1244	RdrCEF.exe	89
PID 1244 wrote to memory of 3776	1244	RdrCEF.exe	89
PID 1244 wrote to memory of 3776	1244	RdrCEF.exe	89
PID 1244 wrote to memory of 3776	1244	RdrCEF.exe	89
PID 1244 wrote to memory of 3776	1244	RdrCEF.exe	89
PID 1244 wrote to memory of 3776	1244	RdrCEF.exe	89
PID 1244 wrote to memory of 3776	1244	RdrCEF.exe	89
PID 1244 wrote to memory of 3776	1244	RdrCEF.exe	89
PID 1244 wrote to memory of 3776	1244	RdrCEF.exe	89
PID 1244 wrote to memory of 3776	1244	RdrCEF.exe	89
PID 1244 wrote to memory of 3776	1244	RdrCEF.exe	89
PID 1244 wrote to memory of 3776	1244	RdrCEF.exe	89
PID 1244 wrote to memory of 3776	1244	RdrCEF.exe	89
PID 1244 wrote to memory of 3776	1244	RdrCEF.exe	89
PID 1244 wrote to memory of 3776	1244	RdrCEF.exe	89
PID 1244 wrote to memory of 3776	1244	RdrCEF.exe	89
PID 1244 wrote to memory of 3776	1244	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\88e045ff304baba8c1ade3f4db5e0dee.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:5024
- 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:1244
- - 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=ACFC64922AB903306EDE8D47BE2955A6 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2348
- - 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=D31D9BCF578099FCC9E200040FEAD268 --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=D31D9BCF578099FCC9E200040FEAD268 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3776
- - 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=57CB6E9108760435E2ABF63540E83DFA --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=57CB6E9108760435E2ABF63540E83DFA --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:784
- - 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=CC950509F706FF0BC86847126F88CE3E --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2156
- - 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=3A0F46FB56437EF6B24A930DB6912CC4 --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:960
- - 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=30945311422242E896EEEDB3799DA2EA --mojo-platform-channel-handle=2512 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2340

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3228

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
7f333efecaccb85ce404cdf0e1c3b1d6

SHA1
702aef34737796e2b85b5bc98a9ebdee0e828600

SHA256
7d7df8536c42d05da65a250fea1757b704569fa00135958a30daa2ed54a41580

SHA512
7320cf3717f5f2bf8ecb64411c3af5ef8221c9715465be49db9463bd7eaf4c037c352c0c3a989aad9e19f5ea1eff5415756d8ea6895b6fe78946b15afbea2dd5

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