8bd9821c438c7942451d2fb7b982488451c4f24f3d59f5d8732908f41bdc7939

General

Target

8bd9821c438c7942451d2fb7b982488451c4f24f3d59f5d8732908f41bdc7939.exe
Size

74KB
MD5

83e8fd3279c19935640f8ea8f15e08e0
SHA1

9fea9ddfd945c49a44629a0f245d52cd4d466263
SHA256

8bd9821c438c7942451d2fb7b982488451c4f24f3d59f5d8732908f41bdc7939
SHA512

6ac9c1076ffe14416a55b06571929863de45b3d00476599259913ac10d4368701821d218bf4038bb3178b0ddc0071a206b7aedd028c2a9e03760701cb8717b1b
SSDEEP

1536:0n5E63HroF5n53Kc7S/OcsSjoo8gsRPm+zl1B34TXo:0EplSDtjooAm+bBoU

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1352	mttrader.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mttrader.exe	8bd9821c438c7942451d2fb7b982488451c4f24f3d59f5d8732908f41bdc7939.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mttrader.exe	8bd9821c438c7942451d2fb7b982488451c4f24f3d59f5d8732908f41bdc7939.exe

Loads dropped DLL 1 IoCs

pid	Process
1788	8bd9821c438c7942451d2fb7b982488451c4f24f3d59f5d8732908f41bdc7939.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\mttrader.exe"	8bd9821c438c7942451d2fb7b982488451c4f24f3d59f5d8732908f41bdc7939.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1788	8bd9821c438c7942451d2fb7b982488451c4f24f3d59f5d8732908f41bdc7939.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1788	8bd9821c438c7942451d2fb7b982488451c4f24f3d59f5d8732908f41bdc7939.exe
1352	mttrader.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 1352	1788	8bd9821c438c7942451d2fb7b982488451c4f24f3d59f5d8732908f41bdc7939.exe	28
PID 1788 wrote to memory of 1352	1788	8bd9821c438c7942451d2fb7b982488451c4f24f3d59f5d8732908f41bdc7939.exe	28
PID 1788 wrote to memory of 1352	1788	8bd9821c438c7942451d2fb7b982488451c4f24f3d59f5d8732908f41bdc7939.exe	28
PID 1788 wrote to memory of 1352	1788	8bd9821c438c7942451d2fb7b982488451c4f24f3d59f5d8732908f41bdc7939.exe	28

C:\Users\Admin\AppData\Local\Temp\8bd9821c438c7942451d2fb7b982488451c4f24f3d59f5d8732908f41bdc7939.exe
"C:\Users\Admin\AppData\Local\Temp\8bd9821c438c7942451d2fb7b982488451c4f24f3d59f5d8732908f41bdc7939.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mttrader.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mttrader.exe" ONCE
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:1352

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mttrader.exe

Filesize
74KB

MD5
83e8fd3279c19935640f8ea8f15e08e0

SHA1
9fea9ddfd945c49a44629a0f245d52cd4d466263

SHA256
8bd9821c438c7942451d2fb7b982488451c4f24f3d59f5d8732908f41bdc7939

SHA512
6ac9c1076ffe14416a55b06571929863de45b3d00476599259913ac10d4368701821d218bf4038bb3178b0ddc0071a206b7aedd028c2a9e03760701cb8717b1b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mttrader.exe

Filesize
74KB

MD5
83e8fd3279c19935640f8ea8f15e08e0

SHA1
9fea9ddfd945c49a44629a0f245d52cd4d466263

SHA256
8bd9821c438c7942451d2fb7b982488451c4f24f3d59f5d8732908f41bdc7939

SHA512
6ac9c1076ffe14416a55b06571929863de45b3d00476599259913ac10d4368701821d218bf4038bb3178b0ddc0071a206b7aedd028c2a9e03760701cb8717b1b

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mttrader.exe

Filesize
74KB

MD5
83e8fd3279c19935640f8ea8f15e08e0

SHA1
9fea9ddfd945c49a44629a0f245d52cd4d466263

SHA256
8bd9821c438c7942451d2fb7b982488451c4f24f3d59f5d8732908f41bdc7939

SHA512
6ac9c1076ffe14416a55b06571929863de45b3d00476599259913ac10d4368701821d218bf4038bb3178b0ddc0071a206b7aedd028c2a9e03760701cb8717b1b

Download Submit
memory/1352-62-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/1352-63-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/1788-54-0x0000000076711000-0x0000000076713000-memory.dmp

Filesize
8KB

Download
memory/1788-55-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/1788-61-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download

Analysis

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