3c80406ed8ca68bb51ca05f2c9ee09f6763cb13da66716c9674887426e26898a

Analysis

max time kernel
153s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 06:57

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General

Target

430b85867d61e9c7eaec2ed06396496f.pdf
Size

84KB
MD5

430b85867d61e9c7eaec2ed06396496f
SHA1

796aceedec9acf79a14c0780ae10b2bfe61f2cc1
SHA256

3c80406ed8ca68bb51ca05f2c9ee09f6763cb13da66716c9674887426e26898a
SHA512

171034cdd7badaf6a92be49ef131371dda6ad90a5851103848f418d181ba7fc5d8c9873005d3bffa7c72c574ebd78ef75104c70fe674b30ae1f078810b12038a
SSDEEP

1536:2UqxuOx3m+IgvIwdtTMlB3McR5SYoPS6FcU8y2NiQvaDh51WAYrp5z:3qNY+bIsTwB3BuYCR0NnvaDh5DYrz

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
4808	AcroRd32.exe
4808	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4808	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 452	4808	AcroRd32.exe	109
PID 4808 wrote to memory of 452	4808	AcroRd32.exe	109
PID 4808 wrote to memory of 452	4808	AcroRd32.exe	109
PID 4808 wrote to memory of 644	4808	AcroRd32.exe	110
PID 4808 wrote to memory of 644	4808	AcroRd32.exe	110
PID 4808 wrote to memory of 644	4808	AcroRd32.exe	110
PID 4808 wrote to memory of 416	4808	AcroRd32.exe	111
PID 4808 wrote to memory of 416	4808	AcroRd32.exe	111
PID 4808 wrote to memory of 416	4808	AcroRd32.exe	111

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\430b85867d61e9c7eaec2ed06396496f.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:4808
- 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:452
- 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:644
- 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:416

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

Download Submit
memory/4808-13-0x000000000B940000-0x000000000B961000-memory.dmp

Filesize
132KB

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