89eeff6cce4538badc284b5eb120c392c160f5f7f86177a6228a0d6045ea4f60

Analysis

max time kernel
146s
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
07/03/2024, 22:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b9de703a0d5e68fd7ca2d40543a8f6da.pdf
Size

47KB
MD5

b9de703a0d5e68fd7ca2d40543a8f6da
SHA1

e8855cc63204ba93b7fd3012affdb2ff753a8c11
SHA256

89eeff6cce4538badc284b5eb120c392c160f5f7f86177a6228a0d6045ea4f60
SHA512

005b6ce782ae2122419d0d0bb44868fa505aeaffc40ab55217ea21bf6f19e79db718190a99c761ab78404f7257558cbbe6881ce1c8fdc4b28e3135cfda89caa7
SSDEEP

768:BSC2aTkIrtHmJzqP/RZYXR3KD5VrqGVKNVpMPfaH3:I8F7PZ6X5KD5VrqGVKLpMPiH3

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-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4788	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4788 wrote to memory of 1728	4788	AcroRd32.exe	91
PID 4788 wrote to memory of 1728	4788	AcroRd32.exe	91
PID 4788 wrote to memory of 1728	4788	AcroRd32.exe	91
PID 4788 wrote to memory of 888	4788	AcroRd32.exe	95
PID 4788 wrote to memory of 888	4788	AcroRd32.exe	95
PID 4788 wrote to memory of 888	4788	AcroRd32.exe	95
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 3460	1728	RdrCEF.exe	97
PID 1728 wrote to memory of 4940	1728	RdrCEF.exe	98
PID 1728 wrote to memory of 4940	1728	RdrCEF.exe	98
PID 1728 wrote to memory of 4940	1728	RdrCEF.exe	98
PID 1728 wrote to memory of 4940	1728	RdrCEF.exe	98
PID 1728 wrote to memory of 4940	1728	RdrCEF.exe	98
PID 1728 wrote to memory of 4940	1728	RdrCEF.exe	98
PID 1728 wrote to memory of 4940	1728	RdrCEF.exe	98
PID 1728 wrote to memory of 4940	1728	RdrCEF.exe	98
PID 1728 wrote to memory of 4940	1728	RdrCEF.exe	98
PID 1728 wrote to memory of 4940	1728	RdrCEF.exe	98
PID 1728 wrote to memory of 4940	1728	RdrCEF.exe	98
PID 1728 wrote to memory of 4940	1728	RdrCEF.exe	98
PID 1728 wrote to memory of 4940	1728	RdrCEF.exe	98
PID 1728 wrote to memory of 4940	1728	RdrCEF.exe	98
PID 1728 wrote to memory of 4940	1728	RdrCEF.exe	98
PID 1728 wrote to memory of 4940	1728	RdrCEF.exe	98
PID 1728 wrote to memory of 4940	1728	RdrCEF.exe	98

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\b9de703a0d5e68fd7ca2d40543a8f6da.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4788
- 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:1728
- - 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=F4E2B07E82494D315B8BB7D037C14404 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3460
- - 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=98540845FF148F65C961894F21B54ED0 --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=98540845FF148F65C961894F21B54ED0 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4940
- - 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=C551503D32C7A77B03D2918153F80882 --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=C551503D32C7A77B03D2918153F80882 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3328
- - 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=7D4858974E99E58851D8385AD3601A0D --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2904
- - 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=4EFC151639DFE47550CD7FEE4D6A69ED --mojo-platform-channel-handle=2856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4816
- - 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=41D537F09F3931C09F0DE8FE2FFC91E1 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3444
- 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⤵
  PID:888

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
581fefb04d37937f129e23f56b6176b6

SHA1
b2c7ad9650197802be8cfa117385cc3df0e3f2b3

SHA256
6bc2a448664539896618eaef31e2e36ea6da8bf2365d7835d866ab05f3aaf250

SHA512
19fe54706c4b3b7d5d82b77a4ece45080b23e1c19dd45ed09a046a959e246b5f4a9fd150f7569c37a9a9e2fc8f50b1687387d9787f47a685d4cf6cc04a93a16c

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
1a3b93932b60e5a4047cfab5c9af05af

SHA1
2edb5cb20a6950af8dfaa57959df4ba7c63c7b4c

SHA256
cac0b2090d5242a885a3210419741e2081584a59bbcb3e72fe6bb01b20e5281d

SHA512
e1d9ba0c4d1d10006ff2c40413d612aaeb837de3bfc7c8207c4840db97bb1300d1ed7549b8c91cc68af0e7b022f02cda359522cc5041c633734f32b6224d7106

Download Submit