a37bed9130e6eb2744ed7fe379e51465754a928a8edde6e7defb4fbe22ece837

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 03:36

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General

Target

8b4bf1bad24e1537c96064bc5fe81a2c.pdf
Size

81KB
MD5

8b4bf1bad24e1537c96064bc5fe81a2c
SHA1

b824fa8e2dd21ad6053556c66008163a2149e1b4
SHA256

a37bed9130e6eb2744ed7fe379e51465754a928a8edde6e7defb4fbe22ece837
SHA512

90dc88a7cc40a73776db81a21b30d0f6810633505fd6bd13b7897d8568dc70ae6a43bf3f990fc44c460f24f1fc27c2ae566293898deaf58f5b5e00d235eded54
SSDEEP

1536:MrTwwverMcEAgBnYPJr6Sm2GJqPkW6g5T0DF2j7wYuWb4B178WBg63UOhmfMWW8J:R0y8Bn4ktQL6GT0xI75A75Bg6/h+MR+r

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
1192	AcroRd32.exe
1192	AcroRd32.exe
1192	AcroRd32.exe
1192	AcroRd32.exe
1192	AcroRd32.exe
1192	AcroRd32.exe
1192	AcroRd32.exe
1192	AcroRd32.exe
1192	AcroRd32.exe
1192	AcroRd32.exe
1192	AcroRd32.exe
1192	AcroRd32.exe
1192	AcroRd32.exe
1192	AcroRd32.exe
1192	AcroRd32.exe
1192	AcroRd32.exe
1192	AcroRd32.exe
1192	AcroRd32.exe
1192	AcroRd32.exe
1192	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1192	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1192	AcroRd32.exe
1192	AcroRd32.exe
1192	AcroRd32.exe
1192	AcroRd32.exe
1192	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1192 wrote to memory of 1352	1192	AcroRd32.exe	88
PID 1192 wrote to memory of 1352	1192	AcroRd32.exe	88
PID 1192 wrote to memory of 1352	1192	AcroRd32.exe	88
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 1184	1352	RdrCEF.exe	89
PID 1352 wrote to memory of 3424	1352	RdrCEF.exe	90
PID 1352 wrote to memory of 3424	1352	RdrCEF.exe	90
PID 1352 wrote to memory of 3424	1352	RdrCEF.exe	90
PID 1352 wrote to memory of 3424	1352	RdrCEF.exe	90
PID 1352 wrote to memory of 3424	1352	RdrCEF.exe	90
PID 1352 wrote to memory of 3424	1352	RdrCEF.exe	90
PID 1352 wrote to memory of 3424	1352	RdrCEF.exe	90
PID 1352 wrote to memory of 3424	1352	RdrCEF.exe	90
PID 1352 wrote to memory of 3424	1352	RdrCEF.exe	90
PID 1352 wrote to memory of 3424	1352	RdrCEF.exe	90
PID 1352 wrote to memory of 3424	1352	RdrCEF.exe	90
PID 1352 wrote to memory of 3424	1352	RdrCEF.exe	90
PID 1352 wrote to memory of 3424	1352	RdrCEF.exe	90
PID 1352 wrote to memory of 3424	1352	RdrCEF.exe	90
PID 1352 wrote to memory of 3424	1352	RdrCEF.exe	90
PID 1352 wrote to memory of 3424	1352	RdrCEF.exe	90
PID 1352 wrote to memory of 3424	1352	RdrCEF.exe	90
PID 1352 wrote to memory of 3424	1352	RdrCEF.exe	90
PID 1352 wrote to memory of 3424	1352	RdrCEF.exe	90
PID 1352 wrote to memory of 3424	1352	RdrCEF.exe	90

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\8b4bf1bad24e1537c96064bc5fe81a2c.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:1192
- 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=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=3276D1EF7A89791A1A14AD8CFDC16C9F --mojo-platform-channel-handle=1628 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1184
- - 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=40782797C6FECD0E0A3B1907D6E7E62F --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=40782797C6FECD0E0A3B1907D6E7E62F --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3424
- - 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=CEDB7D4847DA445DF262FC87D02D44A8 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4972
- - 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=A71A35090DCA37ABBCB03A52BBC68086 --mojo-platform-channel-handle=2480 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1696
- - 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=C555C6D231BF2765070F2EB3436DAEC9 --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=C555C6D231BF2765070F2EB3436DAEC9 --renderer-client-id=6 --mojo-platform-channel-handle=2492 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4356
- - 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=D29B7EECE8483E07CA29E179EC63D62E --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:868

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4516

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
5d5ffbe03bd42913e0694ce722b24768

SHA1
6d6f1090c7e50064b3d4afe101cf89dbe0c1a7a9

SHA256
d5a08070c7f6a9e629ffbefa66ee53acff1e562eb89ccdd6929f860e52aa9829

SHA512
de4a73d9c22d4e9bd3a82ab2429944fba99d9cdb1463b706fc3c2bca2a1ac4d74d8de04ba158541794726e6e32882bc789ab7fe519130a9ccc3ab04dc3447cb3

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