42f1901726907954f74450afa5334d4ce6cfc795d6ce1599e992f287f5f51a2f

Analysis

max time kernel
0s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 05:51

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General

Target

2024-01-01_d81ac5735d95c188be12f7c8b5f02ed6_cryptolocker.exe
Size

56KB
MD5

d81ac5735d95c188be12f7c8b5f02ed6
SHA1

d47e16bb2ce4b88a2229f6c5b32255ed3d8b36b7
SHA256

42f1901726907954f74450afa5334d4ce6cfc795d6ce1599e992f287f5f51a2f
SHA512

0fc115393961aeca0696d6f443a501ad3c2ef2988067fd0a6de3e5ca982d3ca310ef86a9c8b2af6d31ebcb0ad8cd7b7d84d53f6260fefa542feca8dbbaa1d511
SSDEEP

768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZgBh8i6g7Gowfj68:xj+VGMOtEvwDpjubEgr

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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	2024-01-01_d81ac5735d95c188be12f7c8b5f02ed6_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2144	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 2496 wrote to memory of 2144	2496	2024-01-01_d81ac5735d95c188be12f7c8b5f02ed6_cryptolocker.exe	20
PID 2496 wrote to memory of 2144	2496	2024-01-01_d81ac5735d95c188be12f7c8b5f02ed6_cryptolocker.exe	20
PID 2496 wrote to memory of 2144	2496	2024-01-01_d81ac5735d95c188be12f7c8b5f02ed6_cryptolocker.exe	20

C:\Users\Admin\AppData\Local\Temp\2024-01-01_d81ac5735d95c188be12f7c8b5f02ed6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-01_d81ac5735d95c188be12f7c8b5f02ed6_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2144

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
56KB

MD5
45f24dfdf7e35c1a636fe20e19aff4d2

SHA1
912df80cd18691082740f9d514d09f4026889dde

SHA256
b71ccd09a0adc65b95ad024f6a7337728b5db6dec872b51b249d04b1bfb185cb

SHA512
fb554c1c0f338d530eabb5b567b26abb0486ca2e11279f8481070600fc867a9830a137a09dc46160858c76bb848661e694144abec973a9ce92e39df902865b16

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

Filesize
315B

MD5
a34ac19f4afae63adc5d2f7bc970c07f

SHA1
a82190fc530c265aa40a045c21770d967f4767b8

SHA256
d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

SHA512
42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

Download Submit
memory/2144-20-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/2144-26-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/2144-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2144-47-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2496-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2496-3-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download
memory/2496-2-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/2496-1-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/2496-18-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download