f26fd020fc064ca668a4915c9a2e281be2be97ae2f987baa69a5dbd1da59d38e

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
12-10-2024 03:45

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General

Target

2024-10-12_29c2b756238d657d5efa851fe0884c9f_cryptolocker.exe
Size

44KB
MD5

29c2b756238d657d5efa851fe0884c9f
SHA1

0029b3c4f5ddc081409edbcbf2e48f743035fd7e
SHA256

f26fd020fc064ca668a4915c9a2e281be2be97ae2f987baa69a5dbd1da59d38e
SHA512

8ef919b27763127de78eb2c29d4b3e529e8605eaf513f9a25bd51f5d01591ddc256a9f1647b57a7b4a4c0f146bca012afcaadf05605d1d27648f97585ed254b3
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6j4AYsqSh+DETkedm+MV0t:YGzl5wjRQBBOsP1QMOtEvwDpjl39+D+p

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	2024-10-12_29c2b756238d657d5efa851fe0884c9f_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2920	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	2024-10-12_29c2b756238d657d5efa851fe0884c9f_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 1672 wrote to memory of 2920	1672	2024-10-12_29c2b756238d657d5efa851fe0884c9f_cryptolocker.exe	85
PID 1672 wrote to memory of 2920	1672	2024-10-12_29c2b756238d657d5efa851fe0884c9f_cryptolocker.exe	85
PID 1672 wrote to memory of 2920	1672	2024-10-12_29c2b756238d657d5efa851fe0884c9f_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-12_29c2b756238d657d5efa851fe0884c9f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_29c2b756238d657d5efa851fe0884c9f_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1672
- 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:2920

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
44KB

MD5
418862e2d261bbe419e69f682411f492

SHA1
638f45b42ab85cc7089c904a5d06417ab151e553

SHA256
366e696bbe12b8d104bc53aa0bd8c14befdafbd03337c00a744dd24522791879

SHA512
48af9181b15a5b86437f409d5647d0ce2bf790e4659fe87212e783925b6e86b7da6e0ffca5fde3a72e2886d4e76ad171bf47d3ed88c30009e2313c1091d0234b

Download Submit
memory/1672-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1672-1-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/1672-2-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/1672-3-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1672-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2920-19-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/2920-25-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/2920-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download