4f74f90b51f8b0db0d1d3e62a82a8af88956fa7a8bac6409f412444dd14e4aaf

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
02/10/2022, 07:36

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General

Target

4f74f90b51f8b0db0d1d3e62a82a8af88956fa7a8bac6409f412444dd14e4aaf.exe
Size

44KB
MD5

63fb6a6c26832825086d4ff5727153a0
SHA1

a32088b47bcc5dca84965cf10e17f73e92e2979b
SHA256

4f74f90b51f8b0db0d1d3e62a82a8af88956fa7a8bac6409f412444dd14e4aaf
SHA512

13cf6a2a56779b8300f9291afda1ddcec260a96a1a9844284a687f1e3bdbbd9231edf23db8927d43644325edca6309e522e60c741ef65b51929a4ab0b8fb3e0f
SSDEEP

384:cbE8r54uJsHa0NLnIzx0x2b2vjPxz3w8Du3jsBYRAGryf4pxI/6ps2QdhA4I7m36:eE8auAakDI90Ksw8gpyf4pxGAv5N

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1612	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	4f74f90b51f8b0db0d1d3e62a82a8af88956fa7a8bac6409f412444dd14e4aaf.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	4f74f90b51f8b0db0d1d3e62a82a8af88956fa7a8bac6409f412444dd14e4aaf.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
1644	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1644	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
620	4f74f90b51f8b0db0d1d3e62a82a8af88956fa7a8bac6409f412444dd14e4aaf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 620 wrote to memory of 1612	620	4f74f90b51f8b0db0d1d3e62a82a8af88956fa7a8bac6409f412444dd14e4aaf.exe	28
PID 620 wrote to memory of 1612	620	4f74f90b51f8b0db0d1d3e62a82a8af88956fa7a8bac6409f412444dd14e4aaf.exe	28
PID 620 wrote to memory of 1612	620	4f74f90b51f8b0db0d1d3e62a82a8af88956fa7a8bac6409f412444dd14e4aaf.exe	28
PID 620 wrote to memory of 1612	620	4f74f90b51f8b0db0d1d3e62a82a8af88956fa7a8bac6409f412444dd14e4aaf.exe	28
PID 1612 wrote to memory of 1644	1612	cmd.exe	30
PID 1612 wrote to memory of 1644	1612	cmd.exe	30
PID 1612 wrote to memory of 1644	1612	cmd.exe	30
PID 1612 wrote to memory of 1644	1612	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\4f74f90b51f8b0db0d1d3e62a82a8af88956fa7a8bac6409f412444dd14e4aaf.exe
"C:\Users\Admin\AppData\Local\Temp\4f74f90b51f8b0db0d1d3e62a82a8af88956fa7a8bac6409f412444dd14e4aaf.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:620
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 4f74f90b51f8b0db0d1d3e62a82a8af88956fa7a8bac6409f412444dd14e4aaf.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1612
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1644

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/620-56-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

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