8198155a1a95675ac20efed6df1b9519a599b9af9ae1ab0323569beb278f36fd

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 19:11

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General

Target

20240522dd34407ae668b4d497e503c83163be42cryptolocker.exe
Size

43KB
MD5

dd34407ae668b4d497e503c83163be42
SHA1

917b8cf9c59a042d66def1d47043b6452115bb21
SHA256

8198155a1a95675ac20efed6df1b9519a599b9af9ae1ab0323569beb278f36fd
SHA512

387444035606e5e0aea689142b62e0762b5631c129415dcc96eaabaedd20e99c3778ee64725979115e243afc8ea47c4b17246d56a2756852dcde31f7fe31b4fb
SSDEEP

384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDU7b:bm74zYcgT/EkM0ryfjmb

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

Processes:

20240522dd34407ae668b4d497e503c83163be42cryptolocker.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	20240522dd34407ae668b4d497e503c83163be42cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

hasfj.exe

pid process

1128 hasfj.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1128	hasfj.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

20240522dd34407ae668b4d497e503c83163be42cryptolocker.exe

description	pid	process	target process
PID 1100 wrote to memory of 1128	1100	20240522dd34407ae668b4d497e503c83163be42cryptolocker.exe	hasfj.exe
PID 1100 wrote to memory of 1128	1100	20240522dd34407ae668b4d497e503c83163be42cryptolocker.exe	hasfj.exe
PID 1100 wrote to memory of 1128	1100	20240522dd34407ae668b4d497e503c83163be42cryptolocker.exe	hasfj.exe

C:\Users\Admin\AppData\Local\Temp\20240522dd34407ae668b4d497e503c83163be42cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\20240522dd34407ae668b4d497e503c83163be42cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:1128

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\hasfj.exe

Filesize
43KB

MD5
11579c10483d503d76af3a54717edbad

SHA1
508c952b9f1c6907d5455649a04eb4760b58e112

SHA256
2c105a7e65af7f4886aea4a6297a2bb92772a703e92ec01ee2abd3d24f148bd6

SHA512
f0877361f356a6c1661b84035b27e370bf74df4807ab4ad77f0697c29e91dc6aafd2de7a7121809a08373eea06e7c21a66df1efa6677790994c1590c3c28ee31

Download Submit
memory/1100-0-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/1100-1-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/1100-2-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/1100-3-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/1100-18-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/1128-16-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/1128-26-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1128-27-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download