46337cb5d84611e769a63df34614f86a4b3f74985e610b6c4bbb6b03d0bdd621

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-12-2023 01:17

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General

Target

1fddeb05e7fff4f0b6938bff9550b99a.exe
Size

2.1MB
MD5

1fddeb05e7fff4f0b6938bff9550b99a
SHA1

2c9794d4ea82f8371cfbf7b8b982f982bc653274
SHA256

46337cb5d84611e769a63df34614f86a4b3f74985e610b6c4bbb6b03d0bdd621
SHA512

09ca48aecb6312d3364539ae38580e208fc9e32ba6d866ccb373e0d52642f9ecb3fe9c12894f5e89b15357ab1cc9387fdde3544641e5d05fa94fabfb6b5b3388
SSDEEP

49152:Y2qHSXcYU8y2f+nhBYZFzxXS2j87Hw+jyydrhFbwkcmpjD:5WSMB36S7YZtxeRPteiD

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-1-5-21-928733405-3780110381-2966456290-1000\Software\Wine	1fddeb05e7fff4f0b6938bff9550b99a.exe

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2108-0-0x0000000000400000-0x000000000086F000-memory.dmp	themida
behavioral1/memory/2108-1-0x0000000000400000-0x000000000086F000-memory.dmp	themida
behavioral1/memory/2108-19-0x0000000000400000-0x000000000086F000-memory.dmp	themida

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2108	1fddeb05e7fff4f0b6938bff9550b99a.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2108	1fddeb05e7fff4f0b6938bff9550b99a.exe
2108	1fddeb05e7fff4f0b6938bff9550b99a.exe
2108	1fddeb05e7fff4f0b6938bff9550b99a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 1220	2108	1fddeb05e7fff4f0b6938bff9550b99a.exe	7
PID 2108 wrote to memory of 1220	2108	1fddeb05e7fff4f0b6938bff9550b99a.exe	7
PID 2108 wrote to memory of 1220	2108	1fddeb05e7fff4f0b6938bff9550b99a.exe	7
PID 2108 wrote to memory of 1220	2108	1fddeb05e7fff4f0b6938bff9550b99a.exe	7

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1220
- C:\Users\Admin\AppData\Local\Temp\1fddeb05e7fff4f0b6938bff9550b99a.exe
  "C:\Users\Admin\AppData\Local\Temp\1fddeb05e7fff4f0b6938bff9550b99a.exe"
  2⤵
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2108

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/1220-5-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

Filesize
28KB

Download
memory/1220-8-0x000000007EFD0000-0x000000007EFD1000-memory.dmp

Filesize
4KB

Download
memory/2108-0-0x0000000000400000-0x000000000086F000-memory.dmp

Filesize
4.4MB

Download
memory/2108-1-0x0000000000400000-0x000000000086F000-memory.dmp

Filesize
4.4MB

Download
memory/2108-3-0x0000000004330000-0x0000000004331000-memory.dmp

Filesize
4KB

Download
memory/2108-2-0x0000000004340000-0x0000000004342000-memory.dmp

Filesize
8KB

Download
memory/2108-4-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/2108-17-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/2108-19-0x0000000000400000-0x000000000086F000-memory.dmp

Filesize
4.4MB

Download