4b50e28264b5b996f13d95b3e2f619022e5623d9cd291f1c93dab62754ad8f55

Analysis

max time kernel
44s
max time network
48s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
03-10-2022 06:52

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General

Target

4b50e28264b5b996f13d95b3e2f619022e5623d9cd291f1c93dab62754ad8f55.exe
Size

53KB
MD5

473e1afbab989864bb22e601a378c440
SHA1

3d5511fdd5d9a70c8292a2e9f299dc4682493676
SHA256

4b50e28264b5b996f13d95b3e2f619022e5623d9cd291f1c93dab62754ad8f55
SHA512

115e0dbdeda777146d41615e4d432f18a96d7de9fb87d37e4f9455579e6e737403884f10ebc33ba3907b701b4a0b514ea6e09605301cff38ea08f810dd030b59
SSDEEP

768:qivXGW5wHzqEVR3BAornyV0pf1RiK/49OTr1mz5ONpjhkHIUJZLk9OG:fvX/KvVTnu0BxVAzUN1xg1

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1744	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	4b50e28264b5b996f13d95b3e2f619022e5623d9cd291f1c93dab62754ad8f55.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	4b50e28264b5b996f13d95b3e2f619022e5623d9cd291f1c93dab62754ad8f55.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
1612	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1612	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1732	4b50e28264b5b996f13d95b3e2f619022e5623d9cd291f1c93dab62754ad8f55.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 1744	1732	4b50e28264b5b996f13d95b3e2f619022e5623d9cd291f1c93dab62754ad8f55.exe	28
PID 1732 wrote to memory of 1744	1732	4b50e28264b5b996f13d95b3e2f619022e5623d9cd291f1c93dab62754ad8f55.exe	28
PID 1732 wrote to memory of 1744	1732	4b50e28264b5b996f13d95b3e2f619022e5623d9cd291f1c93dab62754ad8f55.exe	28
PID 1732 wrote to memory of 1744	1732	4b50e28264b5b996f13d95b3e2f619022e5623d9cd291f1c93dab62754ad8f55.exe	28
PID 1744 wrote to memory of 1612	1744	cmd.exe	30
PID 1744 wrote to memory of 1612	1744	cmd.exe	30
PID 1744 wrote to memory of 1612	1744	cmd.exe	30
PID 1744 wrote to memory of 1612	1744	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\4b50e28264b5b996f13d95b3e2f619022e5623d9cd291f1c93dab62754ad8f55.exe
"C:\Users\Admin\AppData\Local\Temp\4b50e28264b5b996f13d95b3e2f619022e5623d9cd291f1c93dab62754ad8f55.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 4b50e28264b5b996f13d95b3e2f619022e5623d9cd291f1c93dab62754ad8f55.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1744
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1612

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/1732-56-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

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