31cb86275981294b433075dfb2f3fe316be8e75e183a836161a13d1fcbc366a1

Analysis

max time kernel
143s
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
14-02-2024 14:41

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General

Target

9bf0d211061e81ec26dc58709a0ec450.pdf
Size

41KB
MD5

9bf0d211061e81ec26dc58709a0ec450
SHA1

f58c39dded47627e8e9712b965dec1835fbf68c3
SHA256

31cb86275981294b433075dfb2f3fe316be8e75e183a836161a13d1fcbc366a1
SHA512

d8543a80705c9de253b6632b07b908a5e21d92f10127a8a21f976d6b24b93148d809c602bb7af7e00ea122af742471bbfd4572c1f13cd8b6567593c558716280
SSDEEP

768:FT5YnEB6o1do5wGDOFyhD2nx0sToRdSHkRQZdtc:FKnEB6o1iU0WoRdSFZnc

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3000	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 648	3000	AcroRd32.exe	84
PID 3000 wrote to memory of 648	3000	AcroRd32.exe	84
PID 3000 wrote to memory of 648	3000	AcroRd32.exe	84
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 4276	648	RdrCEF.exe	87
PID 648 wrote to memory of 448	648	RdrCEF.exe	88
PID 648 wrote to memory of 448	648	RdrCEF.exe	88
PID 648 wrote to memory of 448	648	RdrCEF.exe	88
PID 648 wrote to memory of 448	648	RdrCEF.exe	88
PID 648 wrote to memory of 448	648	RdrCEF.exe	88
PID 648 wrote to memory of 448	648	RdrCEF.exe	88
PID 648 wrote to memory of 448	648	RdrCEF.exe	88
PID 648 wrote to memory of 448	648	RdrCEF.exe	88
PID 648 wrote to memory of 448	648	RdrCEF.exe	88
PID 648 wrote to memory of 448	648	RdrCEF.exe	88
PID 648 wrote to memory of 448	648	RdrCEF.exe	88
PID 648 wrote to memory of 448	648	RdrCEF.exe	88
PID 648 wrote to memory of 448	648	RdrCEF.exe	88
PID 648 wrote to memory of 448	648	RdrCEF.exe	88
PID 648 wrote to memory of 448	648	RdrCEF.exe	88
PID 648 wrote to memory of 448	648	RdrCEF.exe	88
PID 648 wrote to memory of 448	648	RdrCEF.exe	88
PID 648 wrote to memory of 448	648	RdrCEF.exe	88
PID 648 wrote to memory of 448	648	RdrCEF.exe	88
PID 648 wrote to memory of 448	648	RdrCEF.exe	88

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\9bf0d211061e81ec26dc58709a0ec450.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:3000
- 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:648
- - 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=03D01EF0660C82F2B5B12EC964CF1A9A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4276
- - 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=3DAE235551907E7A5B9AB7C6AAF15431 --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=3DAE235551907E7A5B9AB7C6AAF15431 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:448
- - 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=DCD72C79B637627321D26F95CFA6ED58 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3100
- - 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=377D87ACBBD1EEF0ED9DB46A11EBB0DD --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=377D87ACBBD1EEF0ED9DB46A11EBB0DD --renderer-client-id=5 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3392
- - 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=E39E1151BCD206D6BFF106EAD931C97B --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5032
- - 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=0C6C5BEA442B7C14844C9FDAEEBB0134 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3036

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2784

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
ecaa6544c19a78342d33a78eb86cc5ad

SHA1
7e0b688183d1462a3c6632dac4f3b92434360b2c

SHA256
01efdbc121c5437213f8494eb8d140adfd6f9f351a3fad8cac68c0769fde1340

SHA512
8bd0da6d10e4686ed1ac12caddde7afc40eb1fe49cead81e5c52a438338522bea55a7456ed3ab574cceca4771eaf588e6d83263980fceaa00ed1773730d65362

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