4c2b0d3c58837aea5429cc4520a37b15072e319277681c5f8c96c8078e422a7b

Analysis

max time kernel
36s
max time network
47s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
03/10/2022, 02:50

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General

Target

4c2b0d3c58837aea5429cc4520a37b15072e319277681c5f8c96c8078e422a7b.exe
Size

77KB
MD5

46a7adef5f42adb71c0a564a08b2e480
SHA1

d6eaafffed5a036ff5a39fd74ffb593a5761c9c3
SHA256

4c2b0d3c58837aea5429cc4520a37b15072e319277681c5f8c96c8078e422a7b
SHA512

32e2ca79c5388dbd3ee08f613718a811b3ac23b1518065c348b77015c972d4848fbc1d2028df15232cb031932e51bbcc65a093120a6d5448d18ddbc983bb1f90
SSDEEP

1536:GdRIW39QfiyfOGHkz/ojIELeTsToxg7PQi3U:GXz394EE8DwExerU

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
976	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	4c2b0d3c58837aea5429cc4520a37b15072e319277681c5f8c96c8078e422a7b.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	4c2b0d3c58837aea5429cc4520a37b15072e319277681c5f8c96c8078e422a7b.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
1140	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1140	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1624	4c2b0d3c58837aea5429cc4520a37b15072e319277681c5f8c96c8078e422a7b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 976	1624	4c2b0d3c58837aea5429cc4520a37b15072e319277681c5f8c96c8078e422a7b.exe	28
PID 1624 wrote to memory of 976	1624	4c2b0d3c58837aea5429cc4520a37b15072e319277681c5f8c96c8078e422a7b.exe	28
PID 1624 wrote to memory of 976	1624	4c2b0d3c58837aea5429cc4520a37b15072e319277681c5f8c96c8078e422a7b.exe	28
PID 1624 wrote to memory of 976	1624	4c2b0d3c58837aea5429cc4520a37b15072e319277681c5f8c96c8078e422a7b.exe	28
PID 976 wrote to memory of 1140	976	cmd.exe	30
PID 976 wrote to memory of 1140	976	cmd.exe	30
PID 976 wrote to memory of 1140	976	cmd.exe	30
PID 976 wrote to memory of 1140	976	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\4c2b0d3c58837aea5429cc4520a37b15072e319277681c5f8c96c8078e422a7b.exe
"C:\Users\Admin\AppData\Local\Temp\4c2b0d3c58837aea5429cc4520a37b15072e319277681c5f8c96c8078e422a7b.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 4c2b0d3c58837aea5429cc4520a37b15072e319277681c5f8c96c8078e422a7b.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:976
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1140

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/1624-56-0x0000000075111000-0x0000000075113000-memory.dmp

Filesize
8KB

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