7559e6ca8b77400f88bf4e67208a1c32570a670068eccae9e3d226cc5471bd47

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28-04-2024 18:31

240428-w6cwyaec5v 10

21-04-2024 08:57

21-04-2024 05:45

18-04-2024 19:05

18-04-2024 16:34

04-03-2024 18:33

02-03-2024 17:01

02-03-2024 10:05

Analysis

max time kernel
1484s
max time network
1495s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
04-03-2024 18:33

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General

Target

bazaar.2020.02/HEUR-Trojan-Ransom.Win32.Sodin.dll
Size

164KB
MD5

b039e1d100166dc2e80ac9ff3f658481
SHA1

7ff4100e822925edf67ccf03ec7b39babacf70cd
SHA256

23096a2bc9feeabd37a9704d0653f4628ef740cdfe24af364ee09d379ec39d95
SHA512

a41fa1ba35ab11f8ee4a8c45286bd7ccf48a8ced9498c6abbfd43d42286bd88a346921e7ae1534510ff574b6e55b37c52ebf32ebd2c65d2095ed997e330fa24c
SSDEEP

3072:v0XoUeZ/DVS8L73ea4MoCLfqQvFfG4gdYR3NQT3U:veoUeZR2TRCWQFfG4gdYR3NQTE

Score

6^/10

Malware Config

Signatures

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	Process
File opened (read-only)	\??\S:	rundll32.exe
File opened (read-only)	\??\E:	rundll32.exe
File opened (read-only)	\??\G:	rundll32.exe
File opened (read-only)	\??\K:	rundll32.exe
File opened (read-only)	\??\L:	rundll32.exe
File opened (read-only)	\??\N:	rundll32.exe
File opened (read-only)	\??\O:	rundll32.exe
File opened (read-only)	\??\Q:	rundll32.exe
File opened (read-only)	\??\V:	rundll32.exe
File opened (read-only)	\??\B:	rundll32.exe
File opened (read-only)	\??\H:	rundll32.exe
File opened (read-only)	\??\R:	rundll32.exe
File opened (read-only)	\??\U:	rundll32.exe
File opened (read-only)	\??\Z:	rundll32.exe
File opened (read-only)	\??\A:	rundll32.exe
File opened (read-only)	\??\M:	rundll32.exe
File opened (read-only)	\??\P:	rundll32.exe
File opened (read-only)	\??\Y:	rundll32.exe
File opened (read-only)	\??\I:	rundll32.exe
File opened (read-only)	\??\J:	rundll32.exe
File opened (read-only)	\??\T:	rundll32.exe
File opened (read-only)	\??\W:	rundll32.exe
File opened (read-only)	\??\X:	rundll32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

rundll32.exepowershell.exe

pid	Process
5040	rundll32.exe
5040	rundll32.exe
1960	powershell.exe
1960	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

rundll32.exepowershell.exevssvc.exe

description	pid	Process
Token: SeDebugPrivilege	5040	rundll32.exe
Token: SeDebugPrivilege	1960	powershell.exe
Token: SeBackupPrivilege	4352	vssvc.exe
Token: SeRestorePrivilege	4352	vssvc.exe
Token: SeAuditPrivilege	4352	vssvc.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 4400 wrote to memory of 5040	4400	rundll32.exe	81
PID 4400 wrote to memory of 5040	4400	rundll32.exe	81
PID 4400 wrote to memory of 5040	4400	rundll32.exe	81
PID 5040 wrote to memory of 1960	5040	rundll32.exe	82
PID 5040 wrote to memory of 1960	5040	rundll32.exe	82

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bazaar.2020.02\HEUR-Trojan-Ransom.Win32.Sodin.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4400
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bazaar.2020.02\HEUR-Trojan-Ransom.Win32.Sodin.dll,#1
  2⤵
  - Enumerates connected drives
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5040
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1960

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:4508

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xryqfo5m.3xn.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1960-8-0x000002671D030000-0x000002671D052000-memory.dmp

Filesize
136KB

Download
memory/1960-9-0x00007FFDDB2E0000-0x00007FFDDBDA2000-memory.dmp

Filesize
10.8MB

Download
memory/1960-10-0x0000026704D80000-0x0000026704D90000-memory.dmp

Filesize
64KB

Download
memory/1960-11-0x0000026704D80000-0x0000026704D90000-memory.dmp

Filesize
64KB

Download
memory/1960-14-0x00007FFDDB2E0000-0x00007FFDDBDA2000-memory.dmp

Filesize
10.8MB

Download