d4a42b3bdf1e805632a3d2250d7d9b334d75ac591887a1bb33ab40cb7a7bb374

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 04:22

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General

Target

2024-09-19_08a696a0ed90c91838cb88618a70b8a9_cryptolocker.exe
Size

47KB
MD5

08a696a0ed90c91838cb88618a70b8a9
SHA1

1c4e9ee5d36ed75a1e7d6311d9159641c12e18f6
SHA256

d4a42b3bdf1e805632a3d2250d7d9b334d75ac591887a1bb33ab40cb7a7bb374
SHA512

ca3253382589e211d5508a8e9750b60d2e9f41bf3c10fbf755d4e99c44c280ffdd0a1520fef995f3ce86352605270727b7da39d0464eb4a2c771a489d4c34d7a
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9J3c:X6QFElP6n+gJQMOtEvwDpjBmzDkWDrc

Score

7^/10

discovery

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	2024-09-19_08a696a0ed90c91838cb88618a70b8a9_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4184	asih.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-19_08a696a0ed90c91838cb88618a70b8a9_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 4184	388	2024-09-19_08a696a0ed90c91838cb88618a70b8a9_cryptolocker.exe	82
PID 388 wrote to memory of 4184	388	2024-09-19_08a696a0ed90c91838cb88618a70b8a9_cryptolocker.exe	82
PID 388 wrote to memory of 4184	388	2024-09-19_08a696a0ed90c91838cb88618a70b8a9_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-19_08a696a0ed90c91838cb88618a70b8a9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_08a696a0ed90c91838cb88618a70b8a9_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:388
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4184

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
47KB

MD5
92172a8465d0401d16e3182154d8b720

SHA1
876750470a3a0bc9e2bd30c8b7943d149c00985b

SHA256
2d0113bed42163e9ec3ca236b45714fd594ebe16fd0d4f1057dc1bd7b4e03522

SHA512
7f8d2457a3da9b14c1166deb6c52152769b03f2a005c60c8797b0e7ce9366939249abcbabaf4cfe0a7a141a7ec9119df499fa8bedb1d2e7b61806f5c378e5cc8

Download Submit
memory/388-0-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/388-1-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/388-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/4184-17-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/4184-18-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download