cf932b30eba36930d53fee3f968bffdba8db2087b827a24e375e62a04eb0028e

Analysis

max time kernel
36s
max time network
42s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
11-10-2022 20:38

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General

Target

cf932b30eba36930d53fee3f968bffdba8db2087b827a24e375e62a04eb0028e.exe
Size

20KB
MD5

6674c6df553d68fa858852931473cd80
SHA1

8b3426aa69fbc72ab2badbd6cf05905a620dc51b
SHA256

cf932b30eba36930d53fee3f968bffdba8db2087b827a24e375e62a04eb0028e
SHA512

4870e520cb3ffb1f06fb16fd0413c1186585223117273f8f0e8a3e255a84e3ad599352da18f680faee4a0ba98781eaa924629ae121e6c1980f82a913d7082415
SSDEEP

384:D5di3wCfZsDiM3PfsBhnRGjLbjnsJzi+10ZWpZspV1:D5dOf41ETp+MpZspz

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1324	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	cf932b30eba36930d53fee3f968bffdba8db2087b827a24e375e62a04eb0028e.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	cf932b30eba36930d53fee3f968bffdba8db2087b827a24e375e62a04eb0028e.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

pid	Process
324	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	324	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1672	cf932b30eba36930d53fee3f968bffdba8db2087b827a24e375e62a04eb0028e.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 1324	1672	cf932b30eba36930d53fee3f968bffdba8db2087b827a24e375e62a04eb0028e.exe	28
PID 1672 wrote to memory of 1324	1672	cf932b30eba36930d53fee3f968bffdba8db2087b827a24e375e62a04eb0028e.exe	28
PID 1672 wrote to memory of 1324	1672	cf932b30eba36930d53fee3f968bffdba8db2087b827a24e375e62a04eb0028e.exe	28
PID 1672 wrote to memory of 1324	1672	cf932b30eba36930d53fee3f968bffdba8db2087b827a24e375e62a04eb0028e.exe	28
PID 1324 wrote to memory of 324	1324	cmd.exe	30
PID 1324 wrote to memory of 324	1324	cmd.exe	30
PID 1324 wrote to memory of 324	1324	cmd.exe	30
PID 1324 wrote to memory of 324	1324	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\cf932b30eba36930d53fee3f968bffdba8db2087b827a24e375e62a04eb0028e.exe
"C:\Users\Admin\AppData\Local\Temp\cf932b30eba36930d53fee3f968bffdba8db2087b827a24e375e62a04eb0028e.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del cf932b30eba36930d53fee3f968bffdba8db2087b827a24e375e62a04eb0028e.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1324
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:324

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

Replay Monitor

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Downloads

memory/1672-56-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

Filesize
8KB

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