40e67172afef46c40d2f6d3c618bcc10ac96600cdad04f4d8e623835ab55b0d0

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
23/08/2024, 06:26

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General

Target

2024-08-23_3a29182cf859c546dd7b564bc57503bd_cryptolocker.exe
Size

79KB
MD5

3a29182cf859c546dd7b564bc57503bd
SHA1

6e4f6ead7906350a4838d76af4883244cf587b10
SHA256

40e67172afef46c40d2f6d3c618bcc10ac96600cdad04f4d8e623835ab55b0d0
SHA512

72f0f9d655d959058d6d2dd992463c14fdc6db7bff8f1dd9cb92f13e2d828f8a00ad99577ad233fd80cac98265f7eeb18fb8c202605800f847d5aecf6f6bdb90
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsoLktNB:X6a+SOtEvwDpjBZYvQd2q

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	2024-08-23_3a29182cf859c546dd7b564bc57503bd_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2044	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	2024-08-23_3a29182cf859c546dd7b564bc57503bd_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 2240 wrote to memory of 2044	2240	2024-08-23_3a29182cf859c546dd7b564bc57503bd_cryptolocker.exe	85
PID 2240 wrote to memory of 2044	2240	2024-08-23_3a29182cf859c546dd7b564bc57503bd_cryptolocker.exe	85
PID 2240 wrote to memory of 2044	2240	2024-08-23_3a29182cf859c546dd7b564bc57503bd_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-08-23_3a29182cf859c546dd7b564bc57503bd_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-23_3a29182cf859c546dd7b564bc57503bd_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2240
- 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:2044

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
80KB

MD5
d88c139972b226c03a0941a98fc46213

SHA1
b733b12245faec2d0f06b6fbd306a2a6afa277bd

SHA256
dfa356604a49aafcd3677a268b2752ee5c2ef29e18c8bf8620fba301eb5b1980

SHA512
971bf244109923dc7c076e58951748080723f56e2d8ae791084a5c178bd29369f1fe3ecd35a399cc9cd9cf7118227cfd3e0e998b3735450094c83aca120e9522

Download Submit
memory/2044-17-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/2044-18-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/2240-0-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/2240-1-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/2240-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download