f08106056a40ddef7e96b57e49ee8aa0198897bf5927bdbf1e4a22b074dfa26d

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2024 07:35

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General

Target

2024-10-10_c7b4eeba85f19cd3e77ec3a6be6d8fde_cryptolocker.exe
Size

50KB
MD5

c7b4eeba85f19cd3e77ec3a6be6d8fde
SHA1

4b1f1edbf77860159a3f2bfbe9836d2379f97720
SHA256

f08106056a40ddef7e96b57e49ee8aa0198897bf5927bdbf1e4a22b074dfa26d
SHA512

34ddf907efe7035c58d374ce3ad42e21d25cc099c8f6da273addd7f476f526c86e55c964308462fe652e53e955bcbb857e8638f2405ea209b4be6e4f84b2fa78
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu556BlvsT7:X6QFElP6n+gJQMOtEvwDpjB0GIWSlvI7

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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	2024-10-10_c7b4eeba85f19cd3e77ec3a6be6d8fde_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1216	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	2024-10-10_c7b4eeba85f19cd3e77ec3a6be6d8fde_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 2116 wrote to memory of 1216	2116	2024-10-10_c7b4eeba85f19cd3e77ec3a6be6d8fde_cryptolocker.exe	85
PID 2116 wrote to memory of 1216	2116	2024-10-10_c7b4eeba85f19cd3e77ec3a6be6d8fde_cryptolocker.exe	85
PID 2116 wrote to memory of 1216	2116	2024-10-10_c7b4eeba85f19cd3e77ec3a6be6d8fde_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-10_c7b4eeba85f19cd3e77ec3a6be6d8fde_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_c7b4eeba85f19cd3e77ec3a6be6d8fde_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116
- 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:1216

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
50KB

MD5
7fc1edce700b4bfb19037f14cf53c186

SHA1
05daa9b857d049afe93f38faaccf076f16e5dd11

SHA256
a65d5f83263ed1484280bef6b2d434639c5b0f29d7a6d057a6e4824c61df8e16

SHA512
f438ea7211c9b259935e79c691cc2f915fa782bc2441c9ad62516f687e8455dbc922d01d466f371f7247e75188822998fcab6138c6e6ac9814fbf949f95f894c

Download Submit
memory/1216-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1216-23-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2116-0-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/2116-1-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/2116-2-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download