3898184831b3cda139a0bc876ea04592333577bed78fb0fea0eedc56b5c429c8

Analysis

max time kernel
101s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30/10/2022, 05:32

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General

Target

3898184831b3cda139a0bc876ea04592333577bed78fb0fea0eedc56b5c429c8.exe
Size

148KB
MD5

93de31f7b241689cbd57d7e9eda72640
SHA1

9b344f38e3114ec67de47854214b9f98f3bbe2cc
SHA256

3898184831b3cda139a0bc876ea04592333577bed78fb0fea0eedc56b5c429c8
SHA512

3383758d1fa8ed30fdcf2582361894ca31b557b0a94ad31c4182a9a3fa0b9258f22b8ca3b0dd2d5d29aa42a099129f73100b48b97c2c7e0cc85d130af501776e
SSDEEP

3072:o3k5lS8NQ7GsRwNqmAlITlU4Q+SparIKxO4W2hR:o1GsOFA+o+SpEIKxOZ

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	3898184831b3cda139a0bc876ea04592333577bed78fb0fea0eedc56b5c429c8.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	3898184831b3cda139a0bc876ea04592333577bed78fb0fea0eedc56b5c429c8.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	3898184831b3cda139a0bc876ea04592333577bed78fb0fea0eedc56b5c429c8.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
2380	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3112	3898184831b3cda139a0bc876ea04592333577bed78fb0fea0eedc56b5c429c8.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3112 wrote to memory of 1640	3112	3898184831b3cda139a0bc876ea04592333577bed78fb0fea0eedc56b5c429c8.exe	79
PID 3112 wrote to memory of 1640	3112	3898184831b3cda139a0bc876ea04592333577bed78fb0fea0eedc56b5c429c8.exe	79
PID 3112 wrote to memory of 1640	3112	3898184831b3cda139a0bc876ea04592333577bed78fb0fea0eedc56b5c429c8.exe	79
PID 1640 wrote to memory of 2380	1640	cmd.exe	81
PID 1640 wrote to memory of 2380	1640	cmd.exe	81
PID 1640 wrote to memory of 2380	1640	cmd.exe	81

C:\Users\Admin\AppData\Local\Temp\3898184831b3cda139a0bc876ea04592333577bed78fb0fea0eedc56b5c429c8.exe
"C:\Users\Admin\AppData\Local\Temp\3898184831b3cda139a0bc876ea04592333577bed78fb0fea0eedc56b5c429c8.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3112
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 3898184831b3cda139a0bc876ea0459233
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1640
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2380

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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