b8479e28cae023ff625506e9479630fca9518a31dddc54ffa53b2d7c3fe299c4

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29/03/2024, 01:34

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General

Target

b8479e28cae023ff625506e9479630fca9518a31dddc54ffa53b2d7c3fe299c4.pdf
Size

38KB
MD5

612c4a68961a423302f6f1281bd3191c
SHA1

7a80a845b5e08b1b6730ca4c4c52227ee1076831
SHA256

b8479e28cae023ff625506e9479630fca9518a31dddc54ffa53b2d7c3fe299c4
SHA512

5a23b2e0717cc054f4f4ddfbd5ea292669b5dca31999d813158e8310731d7b5c6f6381f7d8bf605b3e0e7802e7e4871ee0491858564f0e11225bb1f92d737200
SSDEEP

768:kPg73fAO7bETtw16hg3sbaIQxn8/s4ueiJP7LaItE5pYdRpaG:kP6vAOIanWupJ90YR1

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2200	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 4004	2200	AcroRd32.exe	94
PID 2200 wrote to memory of 4004	2200	AcroRd32.exe	94
PID 2200 wrote to memory of 4004	2200	AcroRd32.exe	94
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1224	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 4976	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 4976	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 4976	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 4976	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 4976	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 4976	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 4976	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 4976	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 4976	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 4976	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 4976	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 4976	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 4976	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 4976	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 4976	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 4976	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 4976	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 4976	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 4976	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 4976	4004	RdrCEF.exe	96

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\b8479e28cae023ff625506e9479630fca9518a31dddc54ffa53b2d7c3fe299c4.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:2200
- 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:4004
- - 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=83236E1187EA0D5E33DA96E5ECBD1AF9 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1224
- - 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=2A681A7C8EBAD8B2131A42139FFEA084 --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=2A681A7C8EBAD8B2131A42139FFEA084 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4976
- - 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=86D8FA6FB018B83AF69A4C8BFC5503A7 --mojo-platform-channel-handle=2292 --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=391958DF1841419D1176717152D804BC --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1816
- - 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=329D7DA728AD133152ABB836AC9152A4 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4472
- - 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=B8D4C2A6DA734127E1FF0F25F229984F --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=B8D4C2A6DA734127E1FF0F25F229984F --renderer-client-id=7 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4836

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4460

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
adec4772e67d34505a1d4e61c0e45d48

SHA1
1d62dc15041edb4a91c3f8d2d7e83668be1799f3

SHA256
a24e9457576e885dd25b69cf9aceff135933c57cfb648503933c5250dd3da4a0

SHA512
7cc47b6dfd087eefed220201b20f72fa38816a73001679bbeb43ea8a9bf2b5f000cef12af6607aca8890fe49a36bd86d9fcffd37b76aa5b4a84b179e9dc28b24

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