2c033fe6f69b678232d529c9248439ce16f50435b4d31dfe8a4b3ff4c86d4493

Analysis

max time kernel
152s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28/01/2024, 16:50

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General

Target

7d7f7080472fee59523f24d188f98df8.pdf
Size

76KB
MD5

7d7f7080472fee59523f24d188f98df8
SHA1

a2e1ba08d5b2cc63bc22fa0362a529ae48cfd72d
SHA256

2c033fe6f69b678232d529c9248439ce16f50435b4d31dfe8a4b3ff4c86d4493
SHA512

f03b6303632993435d534f04d9d8f2fedf777171719ee07a7c42c4eb79bf64afec40f025200bc3841058186ee3a99eb67316fc7a2010a9b5111e974a50416b83
SSDEEP

1536:p+bFJ588YApW/RSiqHYxUkA1H4slDQPRIInkGWCpOViIWj0L8iiNkTJscP:YbF/0ApWeVTh4sl0Plk7Vizo8iA+JV

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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1260	AcroRd32.exe
1260	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1260	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1260 wrote to memory of 4412	1260	AcroRd32.exe	93
PID 1260 wrote to memory of 4412	1260	AcroRd32.exe	93
PID 1260 wrote to memory of 4412	1260	AcroRd32.exe	93
PID 1260 wrote to memory of 1624	1260	AcroRd32.exe	94
PID 1260 wrote to memory of 1624	1260	AcroRd32.exe	94
PID 1260 wrote to memory of 1624	1260	AcroRd32.exe	94
PID 1260 wrote to memory of 4176	1260	AcroRd32.exe	95
PID 1260 wrote to memory of 4176	1260	AcroRd32.exe	95
PID 1260 wrote to memory of 4176	1260	AcroRd32.exe	95
PID 1260 wrote to memory of 1556	1260	AcroRd32.exe	96
PID 1260 wrote to memory of 1556	1260	AcroRd32.exe	96
PID 1260 wrote to memory of 1556	1260	AcroRd32.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\7d7f7080472fee59523f24d188f98df8.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:1260
- 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:4412
- 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:1624
- 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:4176
- 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:1556

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

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