3ef1859ebbb41cd6a8facee2d46382f24fa79594986fe4e8b43f94b703e64e86

Analysis

max time kernel
87s
max time network
68s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 17:07

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General

Target

3ef1859ebbb41cd6a8facee2d46382f24fa79594986fe4e8b43f94b703e64e86.exe
Size

37KB
MD5

44f894f9e34668dae57c55cf39687a30
SHA1

25fd50f31ff16711f24bbf890c13bf67987acf3a
SHA256

3ef1859ebbb41cd6a8facee2d46382f24fa79594986fe4e8b43f94b703e64e86
SHA512

72d12f9d1e41932fffacd77d74940e3c3cb7baa8e7f75fdf55a55a61f136f2a79a636af421fac2a51d530ae7979ff743582b002f057e706ac0f079374b17991c
SSDEEP

384:lhnWyf0UiT3rj9AOfxjDNpVFnZWQ8J7rCClRhmtpi0iJigZO9JSPXXkrMxD9Ymkq:lh5ct/CORwQ8VCROgb8fHxWVee

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1360 cmd.exe

pid	process
1360	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:

3ef1859ebbb41cd6a8facee2d46382f24fa79594986fe4e8b43f94b703e64e86.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	3ef1859ebbb41cd6a8facee2d46382f24fa79594986fe4e8b43f94b703e64e86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	3ef1859ebbb41cd6a8facee2d46382f24fa79594986fe4e8b43f94b703e64e86.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

1664 tasklist.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tasklist.exe

description pid process

Token: SeDebugPrivilege 1664 tasklist.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

3ef1859ebbb41cd6a8facee2d46382f24fa79594986fe4e8b43f94b703e64e86.exe

pid process

1232 3ef1859ebbb41cd6a8facee2d46382f24fa79594986fe4e8b43f94b703e64e86.exe

pid	process
1664	tasklist.exe

description	pid	process
Token: SeDebugPrivilege	1664	tasklist.exe

pid	process
1232	3ef1859ebbb41cd6a8facee2d46382f24fa79594986fe4e8b43f94b703e64e86.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

3ef1859ebbb41cd6a8facee2d46382f24fa79594986fe4e8b43f94b703e64e86.execmd.exe

description	pid	process	target process
PID 1232 wrote to memory of 1360	1232	3ef1859ebbb41cd6a8facee2d46382f24fa79594986fe4e8b43f94b703e64e86.exe	cmd.exe
PID 1232 wrote to memory of 1360	1232	3ef1859ebbb41cd6a8facee2d46382f24fa79594986fe4e8b43f94b703e64e86.exe	cmd.exe
PID 1232 wrote to memory of 1360	1232	3ef1859ebbb41cd6a8facee2d46382f24fa79594986fe4e8b43f94b703e64e86.exe	cmd.exe
PID 1232 wrote to memory of 1360	1232	3ef1859ebbb41cd6a8facee2d46382f24fa79594986fe4e8b43f94b703e64e86.exe	cmd.exe
PID 1360 wrote to memory of 1664	1360	cmd.exe	tasklist.exe
PID 1360 wrote to memory of 1664	1360	cmd.exe	tasklist.exe
PID 1360 wrote to memory of 1664	1360	cmd.exe	tasklist.exe
PID 1360 wrote to memory of 1664	1360	cmd.exe	tasklist.exe

C:\Users\Admin\AppData\Local\Temp\3ef1859ebbb41cd6a8facee2d46382f24fa79594986fe4e8b43f94b703e64e86.exe
"C:\Users\Admin\AppData\Local\Temp\3ef1859ebbb41cd6a8facee2d46382f24fa79594986fe4e8b43f94b703e64e86.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1232

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c tasklist&&del 3ef1859ebbb41cd6a8facee2d46382f24fa79594986fe4e8b43f94b703e64e86.exe
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1360

C:\Windows\SysWOW64\tasklist.exe
tasklist
3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:1664

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Process Discovery

T1057

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1232-56-0x0000000074C41000-0x0000000074C43000-memory.dmp

Filesize
8KB

Download
memory/1360-57-0x0000000000000000-mapping.dmp

Download
memory/1664-58-0x0000000000000000-mapping.dmp

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