68177901c0fd1ea1e9891a8b82b59c5c742bdd0474da09d909bbce1340f028eb

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2024 07:34

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-01-24_5ea077ad13a1d4960507e34d132a1f4b_cryptolocker.exe
Size

96KB
MD5

5ea077ad13a1d4960507e34d132a1f4b
SHA1

29a4b462dc3b2ff615e65aceed16b17518621c2e
SHA256

68177901c0fd1ea1e9891a8b82b59c5c742bdd0474da09d909bbce1340f028eb
SHA512

f0eac74463d946980491dba798a41b78e8ce3354830867a4704a1b2624ee8928076e63266c56988237a7e4ed6db0235f35e045d1c8c2026467e63201e7d22122
SSDEEP

1536:26QFElP6n+gBQMOtEvwDpjQGYQbN/PKwNCJ/:26a+2OtEvwDpjtzm

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023218-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023218-12.dat	CryptoLocker_set1

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	2024-01-24_5ea077ad13a1d4960507e34d132a1f4b_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
5068	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 536 wrote to memory of 5068	536	2024-01-24_5ea077ad13a1d4960507e34d132a1f4b_cryptolocker.exe	88
PID 536 wrote to memory of 5068	536	2024-01-24_5ea077ad13a1d4960507e34d132a1f4b_cryptolocker.exe	88
PID 536 wrote to memory of 5068	536	2024-01-24_5ea077ad13a1d4960507e34d132a1f4b_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-01-24_5ea077ad13a1d4960507e34d132a1f4b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-24_5ea077ad13a1d4960507e34d132a1f4b_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:536
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:5068

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

Loading Replay Monitor...

Downloads

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

Filesize
96KB

MD5
a2eb123f815ad5fc85d6fe91f0a5e406

SHA1
394fc07d798936394b1aca13265e1df60df36718

SHA256
cc53c718a4dfd0fe57b2a9cd0202802b474ead27dd0f90d0f5f37791f96812b1

SHA512
4a3f415f8648607e09bd76a846b10195ad39640258d2d5a754abb12aa319d5e95ccd9f6de16f6d605097f45518acb723ec5ecbd8af07bd81c31131314e745376

Download Submit
memory/536-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/536-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/536-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download