9fba7ec6eb3de5b1488e2d5765c4a30cc785fb6d41ba1d8576f11c9cec7c5e52

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 18:23

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General

Target

2024-02-14_074973ab684dd7d268052ccd0cf5d5fd_cryptolocker.exe
Size

34KB
MD5

074973ab684dd7d268052ccd0cf5d5fd
SHA1

f344c6ccc51274fc5511030f009bbff2b6e00007
SHA256

9fba7ec6eb3de5b1488e2d5765c4a30cc785fb6d41ba1d8576f11c9cec7c5e52
SHA512

817e49cd4ce1058604637b3f95046d33f80e01d01b1b32a72da040f03ee714ff2aabc0252cd09975f630a6a9652bf0da7fd16281ad49d3d6e7352d57349154d1
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunexRlSrxVfi:bA74zYcgT/Ekd0ryfjPIunYwdi

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x00070000000231ea-12.dat	CryptoLocker_rule2

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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	2024-02-14_074973ab684dd7d268052ccd0cf5d5fd_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2204	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 1332 wrote to memory of 2204	1332	2024-02-14_074973ab684dd7d268052ccd0cf5d5fd_cryptolocker.exe	83
PID 1332 wrote to memory of 2204	1332	2024-02-14_074973ab684dd7d268052ccd0cf5d5fd_cryptolocker.exe	83
PID 1332 wrote to memory of 2204	1332	2024-02-14_074973ab684dd7d268052ccd0cf5d5fd_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-02-14_074973ab684dd7d268052ccd0cf5d5fd_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_074973ab684dd7d268052ccd0cf5d5fd_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1332
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2204

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
34KB

MD5
69a03b16b10805f7b9cbc9f575b3a7b0

SHA1
8419a4386bfb221ab92c9171e80faff45082c96d

SHA256
fecfda5633571a1db92e2bf25a963b6c4383910a435ecf40d35f801db36f6cca

SHA512
eadb75231c7c50d5b268d07fa4bdee259c9487d3367ae93e34613a40db1766d9838a4ff4eae115ef2f68fe427608a612283f9c375c5950eae029f517077b4d0b

Download Submit
memory/1332-0-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1332-1-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1332-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/2204-18-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/2204-17-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download