4c358ea6db90a6c0659e2a3d183f98acf657b8f114bd5df58ae289f54e998eca

Analysis

max time kernel
148s
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
12/08/2024, 07:04

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General

Target

2024-08-12_f5f665a1685ae5af4da0c5ba81d9b593_cryptolocker.exe
Size

113KB
MD5

f5f665a1685ae5af4da0c5ba81d9b593
SHA1

71e72f5ddc9998ef7534fa89ec7ffb8b4c351732
SHA256

4c358ea6db90a6c0659e2a3d183f98acf657b8f114bd5df58ae289f54e998eca
SHA512

e71efe043f3995c6513bf5b6cea79e27f1d5530460f639a4ba0e43fd6c0809bff4d3b4fd5533521f25003a8c7ac81f7e1267606786cc05fe5879787c89a53daa
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNuj2GQi8b/xv4TSeA9+zmnwF:V6a+pOtEvwDpjtzg

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	2024-08-12_f5f665a1685ae5af4da0c5ba81d9b593_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3396	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	2024-08-12_f5f665a1685ae5af4da0c5ba81d9b593_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 1396 wrote to memory of 3396	1396	2024-08-12_f5f665a1685ae5af4da0c5ba81d9b593_cryptolocker.exe	87
PID 1396 wrote to memory of 3396	1396	2024-08-12_f5f665a1685ae5af4da0c5ba81d9b593_cryptolocker.exe	87
PID 1396 wrote to memory of 3396	1396	2024-08-12_f5f665a1685ae5af4da0c5ba81d9b593_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-08-12_f5f665a1685ae5af4da0c5ba81d9b593_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-12_f5f665a1685ae5af4da0c5ba81d9b593_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1396
- 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:3396

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
113KB

MD5
46f596f447626080c1420c1bf78d9754

SHA1
4c8060469da48ccfd566bb6ed7d0d214abf56489

SHA256
9b8f1bf183858617f2719048a044da6b2acc4700b325751605b138782e68468b

SHA512
665dbd9490532ae0647297c90ce8970aa2fc448d102b1efdf59db4bef03ef85fd47d77b1514f3f7e2842a03ebec0a6c89938909e7c116c2e6828c18c39640ddc

Download Submit
memory/1396-0-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/1396-1-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/1396-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/3396-21-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/3396-23-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download