0cd99e205fbbe8b20c93711807093bc6f54b39e040878b4b4886b81c25eb729f

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-09-2024 12:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-09-05_bab5ff83739ac9321165650f784e0ccf_cryptolocker.exe
Size

45KB
MD5

bab5ff83739ac9321165650f784e0ccf
SHA1

76e0931146ab774d168c8167b4be85d3f5ab83af
SHA256

0cd99e205fbbe8b20c93711807093bc6f54b39e040878b4b4886b81c25eb729f
SHA512

d56a2fdf33d0d7d8fe1c1f4c3c92708c914120892b0af87ada2dfd839db8fecafddb201c702b391ec1aa44adbc08f065c957bc30dda21d26e45209059e605c7e
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9HkJ:X6QFElP6n+gJQMOtEvwDpjBmzDkWDto

Score

7^/10

discovery

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-09-05_bab5ff83739ac9321165650f784e0ccf_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
892	asih.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-05_bab5ff83739ac9321165650f784e0ccf_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1220 wrote to memory of 892	1220	2024-09-05_bab5ff83739ac9321165650f784e0ccf_cryptolocker.exe	84
PID 1220 wrote to memory of 892	1220	2024-09-05_bab5ff83739ac9321165650f784e0ccf_cryptolocker.exe	84
PID 1220 wrote to memory of 892	1220	2024-09-05_bab5ff83739ac9321165650f784e0ccf_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-05_bab5ff83739ac9321165650f784e0ccf_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-05_bab5ff83739ac9321165650f784e0ccf_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1220
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:892

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
45KB

MD5
610b87c243c060a1481e9d1874756dce

SHA1
390bb09c8eba7b1708d8d70742400c6e4ce20279

SHA256
152c7ad77f216b37c05ac540505b0df67521aa8200015f3d3d2bea83e95e2dfb

SHA512
97100b056a2e7de09561853b67324b977cbce86c2b7aaeac82c2ef9bb19ba7cbdbe5b7c176145da23db264d671d78125d5509510e79b46f3c2abea8567f628e7

Download Submit
memory/892-17-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/892-23-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/1220-0-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/1220-1-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/1220-2-0x0000000000880000-0x0000000000886000-memory.dmp

Filesize
24KB

Download