57c704abc7c4c0cb74f3d97dafbc561029a72f1f4df4346cc07b23852601be7e

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 14:15

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General

Target

b4e7bd4eb79085d425947131e3e54f53.pdf
Size

9KB
MD5

b4e7bd4eb79085d425947131e3e54f53
SHA1

bd01e8d82467140399df23d6b0f7cee5443fe4f5
SHA256

57c704abc7c4c0cb74f3d97dafbc561029a72f1f4df4346cc07b23852601be7e
SHA512

dfe419531b753110c1c553c62d278e8a3a216491e53da7003a7546c8064b6fc1d2f0a92af146c536b59cdb36603560895e713f0ca0a7ba353e38d57b73c96141
SSDEEP

192:F3hzajYywAO9G+/vqvQNi/60un/TGjzOGaIMbow0sw3ac6XIipjE:dhzazwAO9GiUQi/60G7uSGh/swKp4EY

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4400	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4400 wrote to memory of 4716	4400	AcroRd32.exe	91
PID 4400 wrote to memory of 4716	4400	AcroRd32.exe	91
PID 4400 wrote to memory of 4716	4400	AcroRd32.exe	91
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3564	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 3724	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 3724	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 3724	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 3724	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 3724	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 3724	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 3724	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 3724	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 3724	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 3724	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 3724	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 3724	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 3724	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 3724	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 3724	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 3724	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 3724	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 3724	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 3724	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 3724	4716	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\b4e7bd4eb79085d425947131e3e54f53.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:4400
- 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:4716
- - 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=CFE80BEB484162A9A5E027156F842A6C --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3564
- - 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=C1F15474970EF46BA9BDE2AB9187B520 --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=C1F15474970EF46BA9BDE2AB9187B520 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3724
- - 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=1ACFB9D443F82AFDA104B3FB2809468A --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=1ACFB9D443F82AFDA104B3FB2809468A --renderer-client-id=4 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3076
- - 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=7EACBEBD4C22CBFFEF141F87A1A51773 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:404
- - 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=B3B7549D845BCDEE1F5A584FB872551E --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3792
- - 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=9EA9EDF2AEC270CDC15EBBC42D50B490 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1856

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
219079e8bfc97e5251208a047aa275de

SHA1
615b9c36d3fd76d15b75d5dd46ee307cf00caf83

SHA256
bc33db8410cc104e9cf8eedd6c1c643760ec79bc773277d9174c772522e23fcb

SHA512
37eebad7f5e447ce10915a29a272cfbe9323fe9438785703f174c02b4e5d7aa0ae66914266e71e2c088da7f41cc7498489fd0ce17270557930aef83a59943f6e

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/4400-35-0x000000000B420000-0x000000000B441000-memory.dmp

Filesize
132KB

Download