4fd2ae1e3127964d56c86b22671b7a1faa626c92405c878f4fbd647a30a4e0b2

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
22/10/2023, 08:28

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General

Target

NEAS.2023-09-09_217390192b28b856fa28215bf0687571_cryptolocker_JC.exe
Size

27KB
MD5

217390192b28b856fa28215bf0687571
SHA1

57b742f94e596e9ea2c8ba4b0d72695db61b1020
SHA256

4fd2ae1e3127964d56c86b22671b7a1faa626c92405c878f4fbd647a30a4e0b2
SHA512

226eb29459a5daf535d5f863869928e23d70f4c8d336e33220e51016519bca32baffa226ce726926d1e3d3a5d471af425bbc82fbc826e7160b3a8d8be1d5b500
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUr766SJQ:bA74zYcgT/Ekd0ryfjQRSK

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-1-5-21-3350690463-3549324357-1323838019-1000\Control Panel\International\Geo\Nation	NEAS.2023-09-09_217390192b28b856fa28215bf0687571_cryptolocker_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
4452	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 2724 wrote to memory of 4452	2724	NEAS.2023-09-09_217390192b28b856fa28215bf0687571_cryptolocker_JC.exe	88
PID 2724 wrote to memory of 4452	2724	NEAS.2023-09-09_217390192b28b856fa28215bf0687571_cryptolocker_JC.exe	88
PID 2724 wrote to memory of 4452	2724	NEAS.2023-09-09_217390192b28b856fa28215bf0687571_cryptolocker_JC.exe	88

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-09_217390192b28b856fa28215bf0687571_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-09_217390192b28b856fa28215bf0687571_cryptolocker_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2724
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:4452

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
27KB

MD5
d0b0879b6a673d328066924adad5e925

SHA1
82cd421514ca276df8f7f18d9d054c6460af78e5

SHA256
c4c977a07b67fb2e168c78fe3954d1b40db70417be7698133e0eadba61331af4

SHA512
863cbefe1cc401317b2f28b27f252878154861855b2100a2c43528c02c4a754cfa8299549a6aa9f27a6e12c8e61756a51d3080f70e21893bc76d14e1580a1e87

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

Filesize
27KB

MD5
d0b0879b6a673d328066924adad5e925

SHA1
82cd421514ca276df8f7f18d9d054c6460af78e5

SHA256
c4c977a07b67fb2e168c78fe3954d1b40db70417be7698133e0eadba61331af4

SHA512
863cbefe1cc401317b2f28b27f252878154861855b2100a2c43528c02c4a754cfa8299549a6aa9f27a6e12c8e61756a51d3080f70e21893bc76d14e1580a1e87

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

Filesize
27KB

MD5
d0b0879b6a673d328066924adad5e925

SHA1
82cd421514ca276df8f7f18d9d054c6460af78e5

SHA256
c4c977a07b67fb2e168c78fe3954d1b40db70417be7698133e0eadba61331af4

SHA512
863cbefe1cc401317b2f28b27f252878154861855b2100a2c43528c02c4a754cfa8299549a6aa9f27a6e12c8e61756a51d3080f70e21893bc76d14e1580a1e87

Download Submit
memory/2724-0-0x0000000002250000-0x0000000002256000-memory.dmp

Filesize
24KB

Download
memory/2724-1-0x0000000002250000-0x0000000002256000-memory.dmp

Filesize
24KB

Download
memory/2724-2-0x0000000002280000-0x0000000002286000-memory.dmp

Filesize
24KB

Download
memory/4452-17-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/4452-18-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download