7ab20ca0107f85b5ec838b76474e2c49f1295041f637f6c7130b745acecebf8a

Analysis

max time kernel
144s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 03:42

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General

Target

Stamps/FOR PUBLIC RELEASE.pdf
Size

6KB
MD5

01725f8548e35ef8d7f5b6702e9bc7b9
SHA1

beca1ee02f43d01c97d00156f4b26a748cfef24a
SHA256

9d9ac71b16274f63505dc3697a366c7d825f7dcc52cac59252ad173b5db64693
SHA512

d30f7afc9e329f05c41e9c8854eb0214fa97aa6f76c59e5c96cafdc40ecbe634f225fac6b580f62d0bad998b63188064e4e12aa6f2697810b483f23efd6696cf
SSDEEP

192:zTj/EYTHa06DvYZz/z18wy/cgmChu7vjGiVJ:zfVzlLy/CMijGq

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
724	AcroRd32.exe
724	AcroRd32.exe
724	AcroRd32.exe
724	AcroRd32.exe
724	AcroRd32.exe
724	AcroRd32.exe
724	AcroRd32.exe
724	AcroRd32.exe
724	AcroRd32.exe
724	AcroRd32.exe
724	AcroRd32.exe
724	AcroRd32.exe
724	AcroRd32.exe
724	AcroRd32.exe
724	AcroRd32.exe
724	AcroRd32.exe
724	AcroRd32.exe
724	AcroRd32.exe
724	AcroRd32.exe
724	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
724	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
724	AcroRd32.exe
724	AcroRd32.exe
724	AcroRd32.exe
724	AcroRd32.exe
724	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 724 wrote to memory of 4860	724	AcroRd32.exe	90
PID 724 wrote to memory of 4860	724	AcroRd32.exe	90
PID 724 wrote to memory of 4860	724	AcroRd32.exe	90
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 5072	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 1912	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1912	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1912	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1912	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1912	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1912	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1912	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1912	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1912	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1912	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1912	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1912	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1912	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1912	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1912	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1912	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1912	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1912	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1912	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1912	4860	RdrCEF.exe	92

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\Stamps\FOR PUBLIC RELEASE.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:724
- 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:4860
- - 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=3C589E8A141A99A241ED4D765F2D5E4B --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5072
- - 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=F22A1A4670D26E63FE0F377789AC0923 --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=F22A1A4670D26E63FE0F377789AC0923 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1912
- - 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=CB26CB7DCF306A58CFB5CD7E3A98D38F --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2512
- - 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=EF5806380FCAC7C5A3906E466C08FBE3 --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=EF5806380FCAC7C5A3906E466C08FBE3 --renderer-client-id=5 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1744
- - 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=4E605BBF8BF7729D89BE84C01A7D2DB2 --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3572
- - 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=AC5EDA31EF3833670D269D03F151E42F --mojo-platform-channel-handle=2180 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:864

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4900

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
e3fe41e3393cd81e8b58168c904da606

SHA1
87ee7b5d2573e92d484a626931a3a3895286b297

SHA256
1afc72ea8f8c81f8ae301fcee3612b9f7f9961cb59f701d505ebdf084b474103

SHA512
e0894baeddaaad217c387512af55d9f51870e87f647dacb4e04e6d274c36af7a48ae1d3fb776668305dce80eb84b9ddb3b7bc80a0c1cb8e53c8d9b16044c584b

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/724-27-0x00000000081B0000-0x00000000081D1000-memory.dmp

Filesize
132KB

Download