66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861

Analysis

max time kernel
41s
max time network
87s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
01/12/2022, 23:21

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General

Target

66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861.exe
Size

112KB
MD5

3a61938ac112830fc4846f8ee994f6c9
SHA1

0294338003735e683bf2d33d54067e8d7636f240
SHA256

66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861
SHA512

4c0c88a38ca358a5857090e034a7c4c3b329f352684e0e7c7069dc08e50badc251d47110b057aefc78fd45e0956f784f73f75724df4268525dc340a74c1a200a
SSDEEP

1536:tA7fe/ZfdsAiIrSMfBXbeLUYOoBl5Fft8c3zJdx2ntpDWIkFsbXV/xpq/L0cRioH:tGGZnTtov/ebUocRiozmNijlQCxtSz2

Score

6^/10

Malware Config

Signatures

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	66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861.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
1604	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1604	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1364	66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1364 wrote to memory of 388	1364	66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861.exe	29
PID 1364 wrote to memory of 388	1364	66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861.exe	29
PID 1364 wrote to memory of 388	1364	66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861.exe	29
PID 1364 wrote to memory of 388	1364	66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861.exe	29
PID 388 wrote to memory of 1604	388	cmd.exe	31
PID 388 wrote to memory of 1604	388	cmd.exe	31
PID 388 wrote to memory of 1604	388	cmd.exe	31
PID 388 wrote to memory of 1604	388	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861.exe
"C:\Users\Admin\AppData\Local\Temp\66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1364
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 66d8d623f573a4d9b66a549394e3dc9902
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:388
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1604

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/1364-56-0x0000000075701000-0x0000000075703000-memory.dmp

Filesize
8KB

Download
memory/1364-57-0x00000000032F0000-0x0000000003DAA000-memory.dmp

Filesize
10.7MB

Download