ed874977a9ccfa044475af543fc38b84968098aa7d7be722a493b2fa3ce89144

Analysis

max time kernel
142s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
15/07/2024, 11:30

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General

Target

system/Window.dll
Size

732KB
MD5

769b7a97b3ef8693dcedef0916005767
SHA1

056a25577b69f1c16ba5c8601c260bd42bc5a350
SHA256

142867e4df7fb0778533382ef115f722faf20649939dd2afebee548952af0dfe
SHA512

84b14d08c08c47c34121e20490b2cf95486c48323565801f506fd1285df08b100ab7510513805943215c6726b20ab69d8df1ff3d50d489b6213c5e24762b54db
SSDEEP

12288:dZWd3Br71oL9YzLdAbvkmR+ADLpJq4kina1gsu/pNdS3Pj23i5sITak+8cOGl+BT:3WdR/1oL9YzLdAbvkmR+ADLpJq4kinaD

Score

7^/10

evasion themida

Malware Config

Signatures

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Wine	rundll32.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral19/memory/1028-5-0x0000000002430000-0x0000000004133000-memory.dmp	themida
behavioral19/memory/1028-10-0x0000000002430000-0x0000000004133000-memory.dmp	themida

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1848	1028	WerFault.exe	30

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1028	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 1028	1992	rundll32.exe	30
PID 1992 wrote to memory of 1028	1992	rundll32.exe	30
PID 1992 wrote to memory of 1028	1992	rundll32.exe	30
PID 1992 wrote to memory of 1028	1992	rundll32.exe	30
PID 1992 wrote to memory of 1028	1992	rundll32.exe	30
PID 1992 wrote to memory of 1028	1992	rundll32.exe	30
PID 1992 wrote to memory of 1028	1992	rundll32.exe	30
PID 1028 wrote to memory of 1848	1028	rundll32.exe	31
PID 1028 wrote to memory of 1848	1028	rundll32.exe	31
PID 1028 wrote to memory of 1848	1028	rundll32.exe	31
PID 1028 wrote to memory of 1848	1028	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\system\Window.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\system\Window.dll,#1
  2⤵
  - Identifies Wine through registry keys
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1028
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1028 -s 432
    3⤵
    - Program crash
    PID:1848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1028-0-0x00000000001A0000-0x00000000001AF000-memory.dmp

Filesize
60KB

Download
memory/1028-1-0x0000000000270000-0x00000000002AF000-memory.dmp

Filesize
252KB

Download
memory/1028-3-0x0000000004180000-0x00000000041BB000-memory.dmp

Filesize
236KB

Download
memory/1028-5-0x0000000002430000-0x0000000004133000-memory.dmp

Filesize
29.0MB

Download
memory/1028-6-0x0000000002240000-0x0000000002338000-memory.dmp

Filesize
992KB

Download
memory/1028-7-0x00000000043B0000-0x00000000043B2000-memory.dmp

Filesize
8KB

Download
memory/1028-8-0x0000000002431000-0x0000000003EC9000-memory.dmp

Filesize
26.6MB

Download
memory/1028-9-0x0000000000630000-0x000000000063E000-memory.dmp

Filesize
56KB

Download
memory/1028-10-0x0000000002430000-0x0000000004133000-memory.dmp

Filesize
29.0MB

Download