8206631d0eb3c747b353b182b430716fca5d8e97a49a1c9fd00d81b0c6f2e878

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 03:49

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General

Target

2024-10-09_4b13539df931483fe4485fb1d657ad93_cryptolocker.exe
Size

38KB
MD5

4b13539df931483fe4485fb1d657ad93
SHA1

dce61c2deabd052d2b9410a81b2509f99fcec0da
SHA256

8206631d0eb3c747b353b182b430716fca5d8e97a49a1c9fd00d81b0c6f2e878
SHA512

f0f08ca2286c5407cf3cc502b02cac8033a0c8738525f751b74fa205762667cf1499bc33d6bb8517ccea2e3264ce1efb78ad14d50164f0b4ecabeaacafa107b5
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5ax+u:V6QFElP6n+gMQMOtEvwDpjyaYaP

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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	2024-10-09_4b13539df931483fe4485fb1d657ad93_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3600	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	2024-10-09_4b13539df931483fe4485fb1d657ad93_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3396 wrote to memory of 3600	3396	2024-10-09_4b13539df931483fe4485fb1d657ad93_cryptolocker.exe	85
PID 3396 wrote to memory of 3600	3396	2024-10-09_4b13539df931483fe4485fb1d657ad93_cryptolocker.exe	85
PID 3396 wrote to memory of 3600	3396	2024-10-09_4b13539df931483fe4485fb1d657ad93_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-09_4b13539df931483fe4485fb1d657ad93_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-09_4b13539df931483fe4485fb1d657ad93_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3396
- 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:3600

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

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Downloads

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

Filesize
38KB

MD5
d8f711a08e7ceb9890327490ff17ec3b

SHA1
436fa5526910e269109355dec680b45d9a59b8af

SHA256
24440973c5fedfd7f694ddf83aa47622c659adac0b1ffc61d53a591917ecd493

SHA512
122c4b96a4de452a3f8eb3bf9f27845eba822d38bfedda8367a58e895fb82c2c05e5ed36bc9f77b88463d855ad3671d0c18ec2b9890c57caffc6abb93e419a69

Download Submit
memory/3396-0-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/3396-1-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/3396-2-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/3600-17-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/3600-23-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download