8d87897242b12a5327ce2f4d6b5087a9a7c6071722c34e849b95730d6b7c1134

Analysis

max time kernel
142s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 20:34

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General

Target

system/engine.dll
Size

29.0MB
MD5

15b4c32becfd1d4dc675d5f4a99fec3e
SHA1

d6afdadbf07cab92fb8c039f5132c57fb4785ec0
SHA256

8ec6a9138db2c91884c7f9e7936d3f3ee61c08024cc22d45b477a86997151d78
SHA512

224aa25640fb2fced8f6eaa5eb8c546f0d560b5da55a963951a6c0d43fb3a0fb2d84503e160a17bb1492240b814a4d37d3f702f666061ad6aa6cb436a782400d
SSDEEP

98304:/stI4BejbOHL7nhVacdxI2dLcGX+xXalP8f4Ev31yDgr0u9LSqUoJ:yej6ZMSXdMsPv61y60upSy

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-1-5-21-2297530677-1229052932-2803917579-1000\Software\Wine	rundll32.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral27/memory/2272-6-0x0000000010300000-0x0000000012003000-memory.dmp	themida
behavioral27/memory/2272-7-0x0000000010300000-0x0000000012003000-memory.dmp	themida

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2544	2272	WerFault.exe	28

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2272	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 2272	1712	rundll32.exe	28
PID 1712 wrote to memory of 2272	1712	rundll32.exe	28
PID 1712 wrote to memory of 2272	1712	rundll32.exe	28
PID 1712 wrote to memory of 2272	1712	rundll32.exe	28
PID 1712 wrote to memory of 2272	1712	rundll32.exe	28
PID 1712 wrote to memory of 2272	1712	rundll32.exe	28
PID 1712 wrote to memory of 2272	1712	rundll32.exe	28
PID 2272 wrote to memory of 2544	2272	rundll32.exe	29
PID 2272 wrote to memory of 2544	2272	rundll32.exe	29
PID 2272 wrote to memory of 2544	2272	rundll32.exe	29
PID 2272 wrote to memory of 2544	2272	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\system\engine.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\system\engine.dll,#1
  2⤵
  - Identifies Wine through registry keys
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2272
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 416
    3⤵
    - Program crash
    PID:2544

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/2272-0-0x0000000003380000-0x00000000035D2000-memory.dmp

Filesize
2.3MB

Download
memory/2272-1-0x00000000003F0000-0x00000000003FF000-memory.dmp

Filesize
60KB

Download
memory/2272-2-0x0000000000530000-0x000000000056F000-memory.dmp

Filesize
252KB

Download
memory/2272-4-0x0000000002500000-0x000000000253B000-memory.dmp

Filesize
236KB

Download
memory/2272-6-0x0000000010300000-0x0000000012003000-memory.dmp

Filesize
29.0MB

Download
memory/2272-7-0x0000000010300000-0x0000000012003000-memory.dmp

Filesize
29.0MB

Download
memory/2272-8-0x0000000000570000-0x000000000057E000-memory.dmp

Filesize
56KB

Download