c4bde58fa9b74dafa031c0038ea5a764d08787a852015afa5ac7aa0dae3d7f83

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-09-2024 01:32

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General

Target

2024-09-29_dc569e8f410a37beec0d4fee64c974df_cryptolocker.exe
Size

57KB
MD5

dc569e8f410a37beec0d4fee64c974df
SHA1

b171406f1e4028f706416ab00eaad53094b9e59b
SHA256

c4bde58fa9b74dafa031c0038ea5a764d08787a852015afa5ac7aa0dae3d7f83
SHA512

bdfd6db1e61676a2426edb48f7f6c47a692f7982aa63295097c977598cf68fc17f0bbef65cab853f4e2402c98784db305110271d303f3af04a706a9ee379fef9
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccCKdulcrJuA:V6a+pOtEvwDpjv9p

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	2024-09-29_dc569e8f410a37beec0d4fee64c974df_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1996	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	2024-09-29_dc569e8f410a37beec0d4fee64c974df_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 1996	2368	2024-09-29_dc569e8f410a37beec0d4fee64c974df_cryptolocker.exe	82
PID 2368 wrote to memory of 1996	2368	2024-09-29_dc569e8f410a37beec0d4fee64c974df_cryptolocker.exe	82
PID 2368 wrote to memory of 1996	2368	2024-09-29_dc569e8f410a37beec0d4fee64c974df_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-29_dc569e8f410a37beec0d4fee64c974df_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-29_dc569e8f410a37beec0d4fee64c974df_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2368
- 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:1996

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
58KB

MD5
c9ef5533bcefc2440190091107afda82

SHA1
11aac8cd5d31ff4d2f02e0eb5aff8690131abc79

SHA256
b21627e09d32de4aa52a5ad9ac9efcccf70f5b95a27cc91d94b79f57387ede9a

SHA512
e0ea8b57fef7afcb0414c414536c4bfd3be8547e271dbf0fcbad55cee98344dd0274a7699a4606e12cbd48196d8bfa48d0b02fcbe387dcae6192fa6060e1d0cb

Download Submit
memory/1996-17-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/1996-18-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2368-0-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/2368-1-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/2368-2-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download