06b3b71920ef29235367f53be7040c9d8455e3d36e40916821709029eabc4619

Analysis

max time kernel
141s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
17/09/2023, 10:48

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General

Target

2023-08-26_0f4b16be0052e0bab6698d9c9331844f_cryptolocker_JC.exe
Size

44KB
MD5

0f4b16be0052e0bab6698d9c9331844f
SHA1

6ca9b24bef24dfee7266666e279c9e42b1c212f8
SHA256

06b3b71920ef29235367f53be7040c9d8455e3d36e40916821709029eabc4619
SHA512

e357e2a078cbf53e4a811dfaa71c8d81146d2fd736cb956e50406ebb0b08628b4822391e4ac3eb68ae127bebdad99ff2802329792fb5530b7bfb737a8a4c54ca
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjeJQ7suIlsw92KFXckd9d:V6QFElP6n+gMQMOtEvwDpjeJQ7pojakd

Score

7^/10

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-1-5-21-1574508946-349927670-1185736483-1000\Control Panel\International\Geo\Nation	2023-08-26_0f4b16be0052e0bab6698d9c9331844f_cryptolocker_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
2800	asih.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1824 wrote to memory of 2800	1824	2023-08-26_0f4b16be0052e0bab6698d9c9331844f_cryptolocker_JC.exe	87
PID 1824 wrote to memory of 2800	1824	2023-08-26_0f4b16be0052e0bab6698d9c9331844f_cryptolocker_JC.exe	87
PID 1824 wrote to memory of 2800	1824	2023-08-26_0f4b16be0052e0bab6698d9c9331844f_cryptolocker_JC.exe	87

C:\Users\Admin\AppData\Local\Temp\2023-08-26_0f4b16be0052e0bab6698d9c9331844f_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-26_0f4b16be0052e0bab6698d9c9331844f_cryptolocker_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1824
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2800

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

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
f0802b59367aea3b5582e36c7ccffcfb

SHA1
13502a5f93b041aa22a5ab1803025c4a969cc381

SHA256
f939cd3ec83c584bd02d35b57ee4aada3e2cd0727d2cdebcd7b05ba28e67fcde

SHA512
e6ecb9d31dc15ddb5378cd0983df735cda87a4005119993b72e98afa86ca897d161a688de59eea2b4f97865a912bd7423a0247ec63430c8f215bb12dbdd3b9e3

Download Submit
C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
44KB

MD5
f0802b59367aea3b5582e36c7ccffcfb

SHA1
13502a5f93b041aa22a5ab1803025c4a969cc381

SHA256
f939cd3ec83c584bd02d35b57ee4aada3e2cd0727d2cdebcd7b05ba28e67fcde

SHA512
e6ecb9d31dc15ddb5378cd0983df735cda87a4005119993b72e98afa86ca897d161a688de59eea2b4f97865a912bd7423a0247ec63430c8f215bb12dbdd3b9e3

Download Submit
C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
44KB

MD5
f0802b59367aea3b5582e36c7ccffcfb

SHA1
13502a5f93b041aa22a5ab1803025c4a969cc381

SHA256
f939cd3ec83c584bd02d35b57ee4aada3e2cd0727d2cdebcd7b05ba28e67fcde

SHA512
e6ecb9d31dc15ddb5378cd0983df735cda87a4005119993b72e98afa86ca897d161a688de59eea2b4f97865a912bd7423a0247ec63430c8f215bb12dbdd3b9e3

Download Submit
memory/1824-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1824-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1824-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2800-17-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/2800-18-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download