1e5b597bc28190a2f3a4d46542febe7f2fa3eac1aec3c80b3ecd3407283e36b7

Analysis

max time kernel
149s
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
09/10/2024, 01:36

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General

Target

2024-10-09_b4acb064ad733695bb98baef5135c3c9_cryptolocker.exe
Size

36KB
MD5

b4acb064ad733695bb98baef5135c3c9
SHA1

af7a0c47d4ec160d64d428efe951613f2a3a653e
SHA256

1e5b597bc28190a2f3a4d46542febe7f2fa3eac1aec3c80b3ecd3407283e36b7
SHA512

35db23874039b250abb37bf9a1ae58b7bc286f189306dc4870643b0bbc559ef34e37635619212d1f4ca7cfb3f87f854e0a53ab4156029210c3e4c66f8cfdb024
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaDMLZSsplOrtu+:X6QFElP6n+gJQMOtEvwDpjBv1Q

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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2024-10-09_b4acb064ad733695bb98baef5135c3c9_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3088	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_b4acb064ad733695bb98baef5135c3c9_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 1268 wrote to memory of 3088	1268	2024-10-09_b4acb064ad733695bb98baef5135c3c9_cryptolocker.exe	85
PID 1268 wrote to memory of 3088	1268	2024-10-09_b4acb064ad733695bb98baef5135c3c9_cryptolocker.exe	85
PID 1268 wrote to memory of 3088	1268	2024-10-09_b4acb064ad733695bb98baef5135c3c9_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-09_b4acb064ad733695bb98baef5135c3c9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-09_b4acb064ad733695bb98baef5135c3c9_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1268
- 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:3088

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
36KB

MD5
c20f3a0a8bcb3357135e880629c7f851

SHA1
2828c38f7247324e4fe5a95bff599e985269dd14

SHA256
0a3d2f692964c56b437d41825c2ed5f7d60306b85637db9bb5d1bef243cc2bfd

SHA512
aab30f1dbbe428c818c15e5544790871219eab0e8fb4a8af9d5cac565d2a2e87f8b7d85b7e2292edb210fc47de231d3d6d144461fd6549525e3944a366d19324

Download Submit
memory/1268-0-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/1268-1-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/1268-2-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/3088-18-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/3088-17-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download