76538f55e502191a9e6f29debb681081c8b0653757efabc17b92b30f3c8eacbe

Analysis

max time kernel
162s
max time network
170s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
01-11-2023 20:04

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General

Target

NEAS.5f38578ee2ca0b858ed6d178e856a030_JC.pdf
Size

119KB
MD5

5f38578ee2ca0b858ed6d178e856a030
SHA1

2cb1836796ae4ad6f06d29d582c806d4bcc71e71
SHA256

76538f55e502191a9e6f29debb681081c8b0653757efabc17b92b30f3c8eacbe
SHA512

92591efa2005b3967446d1142b425afb38daf6ecd7708a301ed8b45a603604ebb50a2751972c9e60fe14382c0064eb31a315a68ebbcbe7af1d2d95c4b0ac5b9e
SSDEEP

1536:M80m3GtfiWmX2RgBkLZavod+VBJ3M37XMOANB7nQF5bnCem7sPzMTL5Hr7tZb:d0jIkU3Vb3M3TNwc5DCemoGljb

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-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4636	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4636 wrote to memory of 5100	4636	AcroRd32.exe	106
PID 4636 wrote to memory of 5100	4636	AcroRd32.exe	106
PID 4636 wrote to memory of 5100	4636	AcroRd32.exe	106
PID 4636 wrote to memory of 5072	4636	AcroRd32.exe	107
PID 4636 wrote to memory of 5072	4636	AcroRd32.exe	107
PID 4636 wrote to memory of 5072	4636	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\NEAS.5f38578ee2ca0b858ed6d178e856a030_JC.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4636
- 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:5100
- 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:5072

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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