e71fa3dd75f2577ddb1b0c5f26b2c4cd59dd46eb0e32720051a215ff2317f26a

Analysis

max time kernel
204s
max time network
233s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 04:15

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General

Target

0e1d3c4d6f2013a905946f01740c66d9.pdf
Size

87KB
MD5

0e1d3c4d6f2013a905946f01740c66d9
SHA1

d940202280c81430d6b7006ace98d0320e1254f7
SHA256

e71fa3dd75f2577ddb1b0c5f26b2c4cd59dd46eb0e32720051a215ff2317f26a
SHA512

27ddf589fd5226423942921a0fec6f28ed9a5358173e5841b8955d2b4aaba7760a0b17bec38dbd5573b0e1cf9916415784570ffb3b3ff89b10ad96e3547c2bf0
SSDEEP

1536:Lek3C64dLfzT1MYAJbGPzLBRXHi1oAx0suf07c2WmSJnZ28i:aP6ArzxMYAJiPzLj2xZwA6nZO

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
444	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe

Suspicious use of WriteProcessMemory 59 IoCs

description	pid	Process	procid_target
PID 444 wrote to memory of 3880	444	AcroRd32.exe	97
PID 444 wrote to memory of 3880	444	AcroRd32.exe	97
PID 444 wrote to memory of 3880	444	AcroRd32.exe	97
PID 444 wrote to memory of 2696	444	AcroRd32.exe	98
PID 444 wrote to memory of 2696	444	AcroRd32.exe	98
PID 444 wrote to memory of 2696	444	AcroRd32.exe	98
PID 444 wrote to memory of 1920	444	AcroRd32.exe	102
PID 444 wrote to memory of 1920	444	AcroRd32.exe	102
PID 444 wrote to memory of 1920	444	AcroRd32.exe	102
PID 444 wrote to memory of 4464	444	AcroRd32.exe	104
PID 444 wrote to memory of 4464	444	AcroRd32.exe	104
PID 444 wrote to memory of 4464	444	AcroRd32.exe	104
PID 444 wrote to memory of 4660	444	AcroRd32.exe	105
PID 444 wrote to memory of 4660	444	AcroRd32.exe	105
PID 444 wrote to memory of 4660	444	AcroRd32.exe	105
PID 444 wrote to memory of 2508	444	AcroRd32.exe	106
PID 444 wrote to memory of 2508	444	AcroRd32.exe	106
PID 444 wrote to memory of 2508	444	AcroRd32.exe	106
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110
PID 4660 wrote to memory of 2696	4660	RdrCEF.exe	110

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\0e1d3c4d6f2013a905946f01740c66d9.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:444
- 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:3880
- 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:2696
- 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:1920
- 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:4464
- 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:4660
- - 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=5CCFE0A8DA88C82EAAFADAC247C31F2B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2696
- 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:2508

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

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Downloads

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit