12e61591f458d58a7a3f4c49290a8dcfbdbabbcddfa1a64195b162ff4003828d

Analysis

max time kernel
232s
max time network
253s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 06:54

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General

Target

2c5c04525b772107e6c0fbe823391541.pdf
Size

16KB
MD5

2c5c04525b772107e6c0fbe823391541
SHA1

2e747d9316fdab15d4c4d2c3a1f89fcdc450991b
SHA256

12e61591f458d58a7a3f4c49290a8dcfbdbabbcddfa1a64195b162ff4003828d
SHA512

41d572aa11963d092ccb14a506f6ac7aec6b030afcd34581b55fcf144f3efa9896c4f4bd7fab84d4c97890b1e9c090b281e79184a3c31914355f8fe1605f567e
SSDEEP

384:4ONyCeewIjJizZmkRxhy7sz5eOiRySza3qy/g6yuv:sy7sz5eRs

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 24 IoCs

pid	Process
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1964	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 2304	1964	AcroRd32.exe	98
PID 1964 wrote to memory of 2304	1964	AcroRd32.exe	98
PID 1964 wrote to memory of 2304	1964	AcroRd32.exe	98
PID 1964 wrote to memory of 4748	1964	AcroRd32.exe	99
PID 1964 wrote to memory of 4748	1964	AcroRd32.exe	99
PID 1964 wrote to memory of 4748	1964	AcroRd32.exe	99
PID 1964 wrote to memory of 2480	1964	AcroRd32.exe	101
PID 1964 wrote to memory of 2480	1964	AcroRd32.exe	101
PID 1964 wrote to memory of 2480	1964	AcroRd32.exe	101
PID 1964 wrote to memory of 1892	1964	AcroRd32.exe	103
PID 1964 wrote to memory of 1892	1964	AcroRd32.exe	103
PID 1964 wrote to memory of 1892	1964	AcroRd32.exe	103
PID 1964 wrote to memory of 4836	1964	AcroRd32.exe	106
PID 1964 wrote to memory of 4836	1964	AcroRd32.exe	106
PID 1964 wrote to memory of 4836	1964	AcroRd32.exe	106
PID 1964 wrote to memory of 1864	1964	AcroRd32.exe	107
PID 1964 wrote to memory of 1864	1964	AcroRd32.exe	107
PID 1964 wrote to memory of 1864	1964	AcroRd32.exe	107

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\2c5c04525b772107e6c0fbe823391541.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:1964
- 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:2304
- 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:4748
- 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:2480
- 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:1892
- 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:4836
- 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:1864

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

Windows 7 deprecation

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