2747abfa00f35bfac2f47a16d777f869f58a1504ba2d5674e9eb9f8c5c98812d

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2024 08:25

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General

Target

2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exe
Size

44KB
MD5

5a4b5f0688d8e8a5590a47c17dc59b14
SHA1

dcf96c726917610a14112aa8568a86a272f80da4
SHA256

2747abfa00f35bfac2f47a16d777f869f58a1504ba2d5674e9eb9f8c5c98812d
SHA512

b2b04aee737425b67f56c6d39ef4c107207fba2a31fbc0917115900107736c1529585e2af1c0b32fbb170dbca2e00f584e05e5ddf11084bcc35dacce135102f3
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9HQ:X6QFElP6n+gJQMOtEvwDpjBmzDkWDtQ

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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2964	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	2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_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 4676 wrote to memory of 2964	4676	2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exe	85
PID 4676 wrote to memory of 2964	4676	2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exe	85
PID 4676 wrote to memory of 2964	4676	2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4676
- 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:2964

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

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Downloads

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

Filesize
44KB

MD5
5e63d4287c720d3931b374c64ef586c9

SHA1
3e4e3bbbc943b16d35ef427140542f73426bf033

SHA256
1c6ba2192de187e546bf3abcfedc9b76bfb638e656a5ea3d420ea420ceb3d8a7

SHA512
546abab7ea9eb4d73a29f7cef87abcebebedb79fd8ce5f20312a158d9eb7fffc2b5c7b4ca09ca28fcd71b5cf3e6243a93a9b599057a84cd7bf24cc203a51008f

Download Submit
memory/2964-17-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4676-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4676-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4676-2-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download