54374166e7e114974176cba2c33973ef1bbea829a405bdba07aee5dedf0420ca

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
29/08/2024, 08:18

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General

Target

2024-08-29_a36d9449b4f9fd54e59bd6e364dbd49b_cryptolocker.exe
Size

47KB
MD5

a36d9449b4f9fd54e59bd6e364dbd49b
SHA1

e1deb1bb844b1f1d74f9c4b982e4c207d1cca83b
SHA256

54374166e7e114974176cba2c33973ef1bbea829a405bdba07aee5dedf0420ca
SHA512

df6658b87dd3bc59de7d2efbaa5bc582acc512275d3716528c8c0fd1ddb4026a2de8da737f4546d0721d7d60e1a2aafce3128880e093012bb2ea7238fe08b23e
SSDEEP

768:y6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjbXOQ69zbjlAAX5e9zr2:y6QFElP6n+gMQMOtEvwDpjbizbR9Xwzy

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	2024-08-29_a36d9449b4f9fd54e59bd6e364dbd49b_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4088	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	2024-08-29_a36d9449b4f9fd54e59bd6e364dbd49b_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 4404 wrote to memory of 4088	4404	2024-08-29_a36d9449b4f9fd54e59bd6e364dbd49b_cryptolocker.exe	88
PID 4404 wrote to memory of 4088	4404	2024-08-29_a36d9449b4f9fd54e59bd6e364dbd49b_cryptolocker.exe	88
PID 4404 wrote to memory of 4088	4404	2024-08-29_a36d9449b4f9fd54e59bd6e364dbd49b_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-08-29_a36d9449b4f9fd54e59bd6e364dbd49b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-29_a36d9449b4f9fd54e59bd6e364dbd49b_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4404
- 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:4088

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
48KB

MD5
28dfa07af3838e50a4ff80aa39a7c691

SHA1
0f93ef785516d267f9f3b0a700b277d3c25cc8e9

SHA256
b05ba1a96eb855b74a5262011cce4d76a422c49929fecb81389049842a5b30ad

SHA512
9dcecbf13aec6e02e4e2e13302586aa47df28b5787b3ac7f7c030426ce2d0e87a8ad12f46af81ac65c956ecb2b5d4706f0005e146281dd37d699655eb18691c1

Download Submit
memory/4088-17-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download
memory/4088-18-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4404-0-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/4404-1-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/4404-2-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download