4bff6daf0aae3da100ed7ca1bb48a06e85ebe8c5c3ca69a0179825b071c95c12

Analysis

max time kernel
25s
max time network
149s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 18:51

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General

Target

4bff6daf0aae3da100ed7ca1bb48a06e85ebe8c5c3ca69a0179825b071c95c12.exe
Size

53KB
MD5

4ff7b4c50a0f9106cf3cfd2d44de97a0
SHA1

27bf8acd6b26752070ae7a95d4589626cfd78e66
SHA256

4bff6daf0aae3da100ed7ca1bb48a06e85ebe8c5c3ca69a0179825b071c95c12
SHA512

788ab385dd4c92fddb5df058cac77eb2916068cbec9baabeb07114f830608e9cb4023846af30a6e3b76590ee69236e691d012cc0b1540dd5c25f1c400ae6c6db
SSDEEP

768:qivpm5wazR03BAornyV0pf1RiK/49OTr1mz5ONpjhkHIUJewOG:fvpmvl2nu0BxVAzUN1xge

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1688 cmd.exe

pid	process
1688	cmd.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

4bff6daf0aae3da100ed7ca1bb48a06e85ebe8c5c3ca69a0179825b071c95c12.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	4bff6daf0aae3da100ed7ca1bb48a06e85ebe8c5c3ca69a0179825b071c95c12.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	4bff6daf0aae3da100ed7ca1bb48a06e85ebe8c5c3ca69a0179825b071c95c12.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery
T1057

Processes:

tasklist.exe

pid process

1544 tasklist.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tasklist.exe

description pid process

Token: SeDebugPrivilege 1544 tasklist.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

4bff6daf0aae3da100ed7ca1bb48a06e85ebe8c5c3ca69a0179825b071c95c12.exe

pid process

460 4bff6daf0aae3da100ed7ca1bb48a06e85ebe8c5c3ca69a0179825b071c95c12.exe

pid	process
1544	tasklist.exe

description	pid	process
Token: SeDebugPrivilege	1544	tasklist.exe

pid	process
460	4bff6daf0aae3da100ed7ca1bb48a06e85ebe8c5c3ca69a0179825b071c95c12.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

4bff6daf0aae3da100ed7ca1bb48a06e85ebe8c5c3ca69a0179825b071c95c12.execmd.exe

description	pid	process	target process
PID 460 wrote to memory of 1688	460	4bff6daf0aae3da100ed7ca1bb48a06e85ebe8c5c3ca69a0179825b071c95c12.exe	cmd.exe
PID 460 wrote to memory of 1688	460	4bff6daf0aae3da100ed7ca1bb48a06e85ebe8c5c3ca69a0179825b071c95c12.exe	cmd.exe
PID 460 wrote to memory of 1688	460	4bff6daf0aae3da100ed7ca1bb48a06e85ebe8c5c3ca69a0179825b071c95c12.exe	cmd.exe
PID 460 wrote to memory of 1688	460	4bff6daf0aae3da100ed7ca1bb48a06e85ebe8c5c3ca69a0179825b071c95c12.exe	cmd.exe
PID 1688 wrote to memory of 1544	1688	cmd.exe	tasklist.exe
PID 1688 wrote to memory of 1544	1688	cmd.exe	tasklist.exe
PID 1688 wrote to memory of 1544	1688	cmd.exe	tasklist.exe
PID 1688 wrote to memory of 1544	1688	cmd.exe	tasklist.exe

C:\Users\Admin\AppData\Local\Temp\4bff6daf0aae3da100ed7ca1bb48a06e85ebe8c5c3ca69a0179825b071c95c12.exe
"C:\Users\Admin\AppData\Local\Temp\4bff6daf0aae3da100ed7ca1bb48a06e85ebe8c5c3ca69a0179825b071c95c12.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:460

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c tasklist&&del 4bff6daf0aae3da100ed7ca1bb48a06e85ebe8c5c3ca69a0179825b071c95c12.exe
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1688

C:\Windows\SysWOW64\tasklist.exe
tasklist
3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:1544

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/460-56-0x00000000761E1000-0x00000000761E3000-memory.dmp

Filesize
8KB

Download
memory/1544-58-0x0000000000000000-mapping.dmp

Download
memory/1688-57-0x0000000000000000-mapping.dmp

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