dfc16d004d7dc71ea55ec8f3b1fb82c57c537c32b76f3d717e065fb3141cefde

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
21-10-2023 21:00

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General

Target

NEAS.2023-09-07_2e3e3d7bb073476b529bfdf3845e7e19_cryptolocker_JC.exe
Size

70KB
MD5

2e3e3d7bb073476b529bfdf3845e7e19
SHA1

3c1fd0302a5bb8876c0e39333389da1242b04185
SHA256

dfc16d004d7dc71ea55ec8f3b1fb82c57c537c32b76f3d717e065fb3141cefde
SHA512

70b9634c235f3cbe546af53f0b8b982cf4115f61ebd250484ad9a8395dc307054232c860bb78869d62a32e8cdd16f8e0dd219d83233ced4ff37dcf4f57e433ec
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1o:X6a+SOtEvwDpjBZYvQd2o

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-1-5-21-1873812795-1433807462-1429862679-1000\Control Panel\International\Geo\Nation	NEAS.2023-09-07_2e3e3d7bb073476b529bfdf3845e7e19_cryptolocker_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
2836	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 1984 wrote to memory of 2836	1984	NEAS.2023-09-07_2e3e3d7bb073476b529bfdf3845e7e19_cryptolocker_JC.exe	88
PID 1984 wrote to memory of 2836	1984	NEAS.2023-09-07_2e3e3d7bb073476b529bfdf3845e7e19_cryptolocker_JC.exe	88
PID 1984 wrote to memory of 2836	1984	NEAS.2023-09-07_2e3e3d7bb073476b529bfdf3845e7e19_cryptolocker_JC.exe	88

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-07_2e3e3d7bb073476b529bfdf3845e7e19_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-07_2e3e3d7bb073476b529bfdf3845e7e19_cryptolocker_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2836

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
70KB

MD5
932db9923d296bd5ca21f1ef399cf9fe

SHA1
6a8bbdcb424f8391f2f967f049f44bc431dcd828

SHA256
c06ab142b198f662c40e56de06688d6282ef6b7e3c461eb7a44968f311da53e5

SHA512
39906b2339121d3ea6fd7a9bed036254146fd6cebf7904c1e6b2180907aed60a96dfc3c3633658792481c81c9d45d3661a44b1f892804834ed8d57922d252f7a

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

Filesize
70KB

MD5
932db9923d296bd5ca21f1ef399cf9fe

SHA1
6a8bbdcb424f8391f2f967f049f44bc431dcd828

SHA256
c06ab142b198f662c40e56de06688d6282ef6b7e3c461eb7a44968f311da53e5

SHA512
39906b2339121d3ea6fd7a9bed036254146fd6cebf7904c1e6b2180907aed60a96dfc3c3633658792481c81c9d45d3661a44b1f892804834ed8d57922d252f7a

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

Filesize
70KB

MD5
932db9923d296bd5ca21f1ef399cf9fe

SHA1
6a8bbdcb424f8391f2f967f049f44bc431dcd828

SHA256
c06ab142b198f662c40e56de06688d6282ef6b7e3c461eb7a44968f311da53e5

SHA512
39906b2339121d3ea6fd7a9bed036254146fd6cebf7904c1e6b2180907aed60a96dfc3c3633658792481c81c9d45d3661a44b1f892804834ed8d57922d252f7a

Download Submit
memory/1984-0-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/1984-1-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/1984-2-0x0000000000850000-0x0000000000856000-memory.dmp

Filesize
24KB

Download
memory/2836-18-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/2836-17-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download