5782a8c4ea58074593caf8db167ee6b77e4e51bf9dc45c9761b44d7338ff2856

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 05:34

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General

Target

2024-09-19_c833ea2de178f622af682baddfba5979_cryptolocker.exe
Size

73KB
MD5

c833ea2de178f622af682baddfba5979
SHA1

971d44eb06f7eef9dbc9ba2a2fd2c8dbf2633a2c
SHA256

5782a8c4ea58074593caf8db167ee6b77e4e51bf9dc45c9761b44d7338ff2856
SHA512

db0674ede21e1e2c2228846a74a652a6b24f73b5c7face5b3dbabb59c52c68f326515c3e5271a9eb103bf63420b6a4a00a62aa6d55e3c223635b4c49b61bcc87
SSDEEP

768:u6LsoEEeegiZPvEhHSG+gZgtOOtEvwDpjeY10Y/YMs0:u6QFElP6n+gWMOtEvwDpjJGYQb0

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	2024-09-19_c833ea2de178f622af682baddfba5979_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4052	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	2024-09-19_c833ea2de178f622af682baddfba5979_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 3884 wrote to memory of 4052	3884	2024-09-19_c833ea2de178f622af682baddfba5979_cryptolocker.exe	84
PID 3884 wrote to memory of 4052	3884	2024-09-19_c833ea2de178f622af682baddfba5979_cryptolocker.exe	84
PID 3884 wrote to memory of 4052	3884	2024-09-19_c833ea2de178f622af682baddfba5979_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-19_c833ea2de178f622af682baddfba5979_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_c833ea2de178f622af682baddfba5979_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3884
- 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:4052

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

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Downloads

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

Filesize
73KB

MD5
291191b440a51717f795b99b60e7bcea

SHA1
77be1e5f29ea0bc295bb00181b4bad51238e2a9a

SHA256
a0e16ca026a02f71b60035afd52e1b719421f20dbf0843f05ef7103fc1b49a30

SHA512
5e3ee230b221141312044ceb67755288fd550a6c267bfe3041ad871006bb58d0672d422bfff59f5afb452c08bd6381826965661a9ddbb56891a3246bad214a63

Download Submit
memory/3884-0-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3884-1-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3884-2-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/4052-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4052-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download