3c243f81e711f47129607e10667a1dc5d8b857aaf3e09e92f9093b2a0731a100

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-10-2024 04:59

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General

Target

2024-10-14_c576c9eadc245283b2048bf146819a82_cryptolocker.exe
Size

80KB
MD5

c576c9eadc245283b2048bf146819a82
SHA1

c42887e1b88fd32fc5e948c33b2d3c90d4d00972
SHA256

3c243f81e711f47129607e10667a1dc5d8b857aaf3e09e92f9093b2a0731a100
SHA512

5f7121bd775456ce20233e3d8d33f8037a1970fa8b80e83c7c786b504809f3231e85ab9a4d1779929576ba92e1861bda94cf75e1443184780e063de5184029e0
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsoLktNC:X6a+SOtEvwDpjBZYvQd25

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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	2024-10-14_c576c9eadc245283b2048bf146819a82_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3696	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	2024-10-14_c576c9eadc245283b2048bf146819a82_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 652 wrote to memory of 3696	652	2024-10-14_c576c9eadc245283b2048bf146819a82_cryptolocker.exe	85
PID 652 wrote to memory of 3696	652	2024-10-14_c576c9eadc245283b2048bf146819a82_cryptolocker.exe	85
PID 652 wrote to memory of 3696	652	2024-10-14_c576c9eadc245283b2048bf146819a82_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-14_c576c9eadc245283b2048bf146819a82_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-14_c576c9eadc245283b2048bf146819a82_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:652
- 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:3696

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
80KB

MD5
44c08e804f53572da06e97daa036cf0c

SHA1
af06c1a05a3db7c930a23f27448fae8f55ff94f0

SHA256
802741ec4dac8f703409fafd9e1326d0a9880b051ae1d310d8c4f1079243ab4b

SHA512
1682f880c3dbc950577d200478e5bc238e0c80254430001f70f764b7f1c2062f4bee895253d9d5fd109214c91fb3460bc3eb5d08f7e57e95e21c6c34dd010bb3

Download Submit
memory/652-0-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/652-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/652-2-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/3696-17-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/3696-23-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download