5a8070f6df31ce40b7e73c3d4ce7f58b753cec82eff32db8e89151dd59c541d3

Analysis

max time kernel
141s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
23/10/2023, 19:19

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General

Target

NEAS.2023-09-05_68081183dea2f65059caa2923f0b37e5_cryptolocker_JC.exe
Size

40KB
MD5

68081183dea2f65059caa2923f0b37e5
SHA1

58be0ae4f8cc54ce52050d7e87e132d7c9e778e1
SHA256

5a8070f6df31ce40b7e73c3d4ce7f58b753cec82eff32db8e89151dd59c541d3
SHA512

b87af260b62db9c106769979f908e522749176d38472ecb3fd8b9cfc2b8130263cb731aaca46561e4e4e7d62e18f17bbd2d242b41c9ffd53e7982e421b47ea1e
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YR8C:bgGYcA/53GAA6y37UH

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-1-5-21-984744499-3605095035-265325720-1000\Control Panel\International\Geo\Nation	NEAS.2023-09-05_68081183dea2f65059caa2923f0b37e5_cryptolocker_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
4556	hasfj.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 2244 wrote to memory of 4556	2244	NEAS.2023-09-05_68081183dea2f65059caa2923f0b37e5_cryptolocker_JC.exe	83
PID 2244 wrote to memory of 4556	2244	NEAS.2023-09-05_68081183dea2f65059caa2923f0b37e5_cryptolocker_JC.exe	83
PID 2244 wrote to memory of 4556	2244	NEAS.2023-09-05_68081183dea2f65059caa2923f0b37e5_cryptolocker_JC.exe	83

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-05_68081183dea2f65059caa2923f0b37e5_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-05_68081183dea2f65059caa2923f0b37e5_cryptolocker_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:4556

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
41KB

MD5
fe876b43f669637a5cb7ff83f4c8a7d0

SHA1
5e7f4d15341bdb7f7c78cba4a2dcb2eddd0c59d9

SHA256
610933da0906f0b0b73704f26c212d441b53dca6b62e2cc5742de9f922a6cc7d

SHA512
957372caf1f2f4659e2e4b298db19bc641a87d15af967f359045bedc70d0924f705816abdb71dd1de7bf22a8ffe2c498b2d718ede84dbbe118f33d9063243297

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

Filesize
41KB

MD5
fe876b43f669637a5cb7ff83f4c8a7d0

SHA1
5e7f4d15341bdb7f7c78cba4a2dcb2eddd0c59d9

SHA256
610933da0906f0b0b73704f26c212d441b53dca6b62e2cc5742de9f922a6cc7d

SHA512
957372caf1f2f4659e2e4b298db19bc641a87d15af967f359045bedc70d0924f705816abdb71dd1de7bf22a8ffe2c498b2d718ede84dbbe118f33d9063243297

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

Filesize
41KB

MD5
fe876b43f669637a5cb7ff83f4c8a7d0

SHA1
5e7f4d15341bdb7f7c78cba4a2dcb2eddd0c59d9

SHA256
610933da0906f0b0b73704f26c212d441b53dca6b62e2cc5742de9f922a6cc7d

SHA512
957372caf1f2f4659e2e4b298db19bc641a87d15af967f359045bedc70d0924f705816abdb71dd1de7bf22a8ffe2c498b2d718ede84dbbe118f33d9063243297

Download Submit
memory/2244-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/2244-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/2244-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/4556-18-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/4556-17-0x0000000002380000-0x0000000002386000-memory.dmp

Filesize
24KB

Download