2b6655ca31c5df6a2f39e2bb5eac19fe9204dafd3985cf76a47d3bb8809bd9a6

Analysis

max time kernel
0s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12/01/2024, 06:02

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General

Target

2024-01-11_8f20e2307bf9e5681ceeb99de47b95ba_cryptolocker.exe
Size

45KB
MD5

8f20e2307bf9e5681ceeb99de47b95ba
SHA1

273e855550a1b17b0604406b02e92d83f1e6a12d
SHA256

2b6655ca31c5df6a2f39e2bb5eac19fe9204dafd3985cf76a47d3bb8809bd9a6
SHA512

f56852482d6e8afcf8b4cb1e69714a2f37ee197793b9e32c3d80015de96c02e319fe3f98e31aeeb16e647b9f216d04eaf19a404ce51a8f8620ce8936d1764393
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLaHaMMm2X30E3c:V6QFElP6n+gMQMOtEvwDpjyaHaX4

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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	2024-01-11_8f20e2307bf9e5681ceeb99de47b95ba_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4592	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 3188 wrote to memory of 4592	3188	2024-01-11_8f20e2307bf9e5681ceeb99de47b95ba_cryptolocker.exe	19
PID 3188 wrote to memory of 4592	3188	2024-01-11_8f20e2307bf9e5681ceeb99de47b95ba_cryptolocker.exe	19
PID 3188 wrote to memory of 4592	3188	2024-01-11_8f20e2307bf9e5681ceeb99de47b95ba_cryptolocker.exe	19

C:\Users\Admin\AppData\Local\Temp\2024-01-11_8f20e2307bf9e5681ceeb99de47b95ba_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-11_8f20e2307bf9e5681ceeb99de47b95ba_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3188
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4592

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\asih.exe

Filesize
45KB

MD5
94250b5576ba263c632f042fbbe747f8

SHA1
577350137acc7e2ba5f10e2c9f7ac24afaa06ad5

SHA256
25e9b5d9a1733e12f02b5f63d16d7fca1ba8dd88190d181e4458b1d73039fadb

SHA512
c60fdfb47fc0af6753e8aa6cfb150bc1d1f9028adbb5ea72c422642ee222791284f7ee9303044a35c40ff02786e564ce0e2119a51a106084c55c5f3b71a32277

Download Submit
memory/3188-2-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/3188-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/3188-0-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/4592-17-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/4592-18-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download