dbcd7f58b8c902cb3ba1736c83fb0244d4f3c977293cb3779c8c58e956294b79

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
10/03/2024, 07:03

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General

Target

bdfa67618e35ffb527e2872924df1d6e.dll
Size

626KB
MD5

bdfa67618e35ffb527e2872924df1d6e
SHA1

99484b6a9d63f795614f400c0613649edeadfdef
SHA256

dbcd7f58b8c902cb3ba1736c83fb0244d4f3c977293cb3779c8c58e956294b79
SHA512

c0e8aac869205bb0f1e4473eba59752c90d9a65f592176c683a74ec3cb7c0c36ef80806243e995df82e082feb4baeec4febfd3541d5ba69bc8c45c0f722fdfc3
SSDEEP

12288:Qos1REnzqLczCsJ6GUKwl22uizhWl46+lqTst/CtTB7yCPf/+PNTIZIl:e1+DGxldz46DlQs9k9yCP3+FTK

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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Wine	rundll32.exe

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2344-3-0x0000000074880000-0x00000000749D8000-memory.dmp	themida

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2344	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2344	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 2344	1752	rundll32.exe	28
PID 1752 wrote to memory of 2344	1752	rundll32.exe	28
PID 1752 wrote to memory of 2344	1752	rundll32.exe	28
PID 1752 wrote to memory of 2344	1752	rundll32.exe	28
PID 1752 wrote to memory of 2344	1752	rundll32.exe	28
PID 1752 wrote to memory of 2344	1752	rundll32.exe	28
PID 1752 wrote to memory of 2344	1752	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bdfa67618e35ffb527e2872924df1d6e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bdfa67618e35ffb527e2872924df1d6e.dll,#1
  2⤵
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  PID:2344

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/2344-0-0x0000000074890000-0x00000000749E8000-memory.dmp

Filesize
1.3MB

Download
memory/2344-1-0x00000000745F0000-0x0000000074748000-memory.dmp

Filesize
1.3MB

Download
memory/2344-2-0x0000000074890000-0x00000000749E8000-memory.dmp

Filesize
1.3MB

Download
memory/2344-3-0x0000000074880000-0x00000000749D8000-memory.dmp

Filesize
1.3MB

Download