50fde9c9018cc9e21ee453032d506184ece912310bcf837f3c3d35942f9ce9ec

Analysis

max time kernel
148s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 17:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7f3757a32d323b8db0c7ea5d265d9ad0.pdf
Size

13KB
MD5

7f3757a32d323b8db0c7ea5d265d9ad0
SHA1

f5b850302fd685fb9672456c37cee59ee37fd20c
SHA256

50fde9c9018cc9e21ee453032d506184ece912310bcf837f3c3d35942f9ce9ec
SHA512

fd942878d64223ceb69c523ffd3456ad116db4f198b6b0de849930558d7c046e547c3397a5b7d078ed14f086213e366fafc396c16be8fccddb8ca3248723f246
SSDEEP

384:6hzaNwAO9GiJlDmlAloSAhmbZ9/mQi/60G7J8vKIs:ahZGirHAhmbZ9OQC6dJiKH

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
532	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 4756	532	AcroRd32.exe	92
PID 532 wrote to memory of 4756	532	AcroRd32.exe	92
PID 532 wrote to memory of 4756	532	AcroRd32.exe	92
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2464	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 4016	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 4016	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 4016	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 4016	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 4016	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 4016	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 4016	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 4016	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 4016	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 4016	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 4016	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 4016	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 4016	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 4016	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 4016	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 4016	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 4016	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 4016	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 4016	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 4016	4756	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\7f3757a32d323b8db0c7ea5d265d9ad0.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:532
- 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:4756
- - 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=76C8EDD2E71FCE4B2CB113038062253D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2464
- - 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=5D66B9E3F135E24CA92C5CAD3024F6B5 --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=5D66B9E3F135E24CA92C5CAD3024F6B5 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4016
- - 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=716FA3C56AD36B63733AAFF77657A7A3 --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=716FA3C56AD36B63733AAFF77657A7A3 --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2076
- - 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=94F5F8394E7F76AFDAF3E4B02D29A081 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3604
- - 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=2CC2A6A90345E72455E9F6349EF5E3FD --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3712
- - 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=2297F7B98C31F271705DFFB04FFA42AA --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3744

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3168

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
50a6358c29b63ea40a0f4120d5308bec

SHA1
6299eba09d1bf41fd2abf6bc72bfc807f15a670d

SHA256
69d204b276d2a078e3e7ee654c8b4e2a5242b75cf8c540991cecf25a057467bc

SHA512
f844298909413a12b935d1ecaf29ad19744c2330d7ba6ef0eb0a5eab1fc65be286135316188af62987961a49719842743d245b1382cdd19e4d4733c95b81cb19

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/532-48-0x000000000B5B0000-0x000000000B5D1000-memory.dmp

Filesize
132KB

Download