22328b7301758e4066aea9f0fd91c86433506ca2593f588baa422aaa9b02c6aa

Analysis

max time kernel
142s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
23-01-2024 18:39

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General

Target

7046a967c4355590eb38ced51d2adf80.pdf
Size

86KB
MD5

7046a967c4355590eb38ced51d2adf80
SHA1

1c8e6de828b422bd88cc46e106d29f3ab107684d
SHA256

22328b7301758e4066aea9f0fd91c86433506ca2593f588baa422aaa9b02c6aa
SHA512

3a03523c42792f9e76bf7915ea8b0ed2e73cd9a5a5d26cb588cc43ebbeb75556de8c9795ceb142444d0b5c272ea5be3614323df901c55f4a33565f30516d876c
SSDEEP

1536:Mf/4Kkz4YAfePPKu9ujRIVHzCGH2Rvt5vWoDG8WOpOaZEW3TFmIJGUbWleHtIkd:O4Kh6r9uMTd2RvnOoD0aZfPJGUsG/

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1196	AcroRd32.exe
1196	AcroRd32.exe
1196	AcroRd32.exe
1196	AcroRd32.exe
1196	AcroRd32.exe
1196	AcroRd32.exe
1196	AcroRd32.exe
1196	AcroRd32.exe
1196	AcroRd32.exe
1196	AcroRd32.exe
1196	AcroRd32.exe
1196	AcroRd32.exe
1196	AcroRd32.exe
1196	AcroRd32.exe
1196	AcroRd32.exe
1196	AcroRd32.exe
1196	AcroRd32.exe
1196	AcroRd32.exe
1196	AcroRd32.exe
1196	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1196	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1196	AcroRd32.exe
1196	AcroRd32.exe
1196	AcroRd32.exe
1196	AcroRd32.exe
1196	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 3368	1196	AcroRd32.exe	91
PID 1196 wrote to memory of 3368	1196	AcroRd32.exe	91
PID 1196 wrote to memory of 3368	1196	AcroRd32.exe	91
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 516	3368	RdrCEF.exe	94
PID 3368 wrote to memory of 4872	3368	RdrCEF.exe	95
PID 3368 wrote to memory of 4872	3368	RdrCEF.exe	95
PID 3368 wrote to memory of 4872	3368	RdrCEF.exe	95
PID 3368 wrote to memory of 4872	3368	RdrCEF.exe	95
PID 3368 wrote to memory of 4872	3368	RdrCEF.exe	95
PID 3368 wrote to memory of 4872	3368	RdrCEF.exe	95
PID 3368 wrote to memory of 4872	3368	RdrCEF.exe	95
PID 3368 wrote to memory of 4872	3368	RdrCEF.exe	95
PID 3368 wrote to memory of 4872	3368	RdrCEF.exe	95
PID 3368 wrote to memory of 4872	3368	RdrCEF.exe	95
PID 3368 wrote to memory of 4872	3368	RdrCEF.exe	95
PID 3368 wrote to memory of 4872	3368	RdrCEF.exe	95
PID 3368 wrote to memory of 4872	3368	RdrCEF.exe	95
PID 3368 wrote to memory of 4872	3368	RdrCEF.exe	95
PID 3368 wrote to memory of 4872	3368	RdrCEF.exe	95
PID 3368 wrote to memory of 4872	3368	RdrCEF.exe	95
PID 3368 wrote to memory of 4872	3368	RdrCEF.exe	95
PID 3368 wrote to memory of 4872	3368	RdrCEF.exe	95
PID 3368 wrote to memory of 4872	3368	RdrCEF.exe	95
PID 3368 wrote to memory of 4872	3368	RdrCEF.exe	95

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\7046a967c4355590eb38ced51d2adf80.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3368
- - 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=0A4F970C4E1E86EB8B738DD8E1877F7C --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:516
- - 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=764F75C9E70C7653A367065FF6528524 --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=764F75C9E70C7653A367065FF6528524 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4872
- - 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=9340B17431F73B234C6A6A0EFA545D32 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2508
- - 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=FA5A71E6C7A09AED520E7B05222F708A --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=FA5A71E6C7A09AED520E7B05222F708A --renderer-client-id=5 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3340
- - 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=14FD97008454581527623A706693DF9A --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4784
- - 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=90D4B2E9E0F02D5813BF17CCF4029479 --mojo-platform-channel-handle=2804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:684

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:868

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
4193eb2ce66cbec49e31a5e781a9bb53

SHA1
044cf377df3c50d03d63105a5500cb6719fc1aa0

SHA256
ef82216190b261ad6f1590b35720e0e0dc26b8ed647902db6cf522776fb705f6

SHA512
16efb85fbf4771e376e1f0a99eee25f62a85cd4dc8dd4f14662069c85d027f4b46a8b93cc5b436a957f306b480278d66f7ae776828da4f3c61fd027c0e1cdeb3

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