4b0aa385ce245b19042933149eeec8416a320f12e21fa27d302d0b23b33d42ed

Analysis

max time kernel
159s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 00:42

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General

Target

2024-03-06_a689e5a227a39a73177b46290363b622_cryptolocker.exe
Size

52KB
MD5

a689e5a227a39a73177b46290363b622
SHA1

e04efe60c849a0bdcbe1d46e931ce0ff129428bd
SHA256

4b0aa385ce245b19042933149eeec8416a320f12e21fa27d302d0b23b33d42ed
SHA512

c6fbf6bdd920c947f2b10585caad7340828029124466acfadd800c14d55c582ca5dd762918494c83841717e72cc524c8c89f77b219441c01a2ee00866c86f4c1
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdO58:ZVxkGOtEvwDpjcG

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000200000001f656-13.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-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation	2024-03-06_a689e5a227a39a73177b46290363b622_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4192	misid.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 232 wrote to memory of 4192	232	2024-03-06_a689e5a227a39a73177b46290363b622_cryptolocker.exe	91
PID 232 wrote to memory of 4192	232	2024-03-06_a689e5a227a39a73177b46290363b622_cryptolocker.exe	91
PID 232 wrote to memory of 4192	232	2024-03-06_a689e5a227a39a73177b46290363b622_cryptolocker.exe	91

C:\Users\Admin\AppData\Local\Temp\2024-03-06_a689e5a227a39a73177b46290363b622_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-06_a689e5a227a39a73177b46290363b622_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:232
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:4192

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\misid.exe

Filesize
53KB

MD5
7ab71b0db9ab5c5983e4d6ad10025429

SHA1
c0f2f6f21dd96b76d0799c5cccfdcce4503c0ffd

SHA256
6af9cacb6eee11a234363934417aba88f2c8cd88740d635b8e1bf37000767f2e

SHA512
8356e39f002ffa7966ad8cb279ba36d1d7d82001c93604d1a2c7a6eb9bd955c06678b59fa7288d25006b6c0206a7878e22e17c982e3f625c77342e7d175d2055

Download Submit
memory/232-0-0x0000000000490000-0x0000000000493000-memory.dmp

Filesize
12KB

Download
memory/232-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/232-2-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/232-3-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/232-18-0x0000000000490000-0x0000000000493000-memory.dmp

Filesize
12KB

Download
memory/4192-19-0x0000000000490000-0x0000000000493000-memory.dmp

Filesize
12KB

Download
memory/4192-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4192-22-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download