308fcaa37bae929c041d2b56752307dbaa84ed157d8b5daf5809760f495c2f4b

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
15/10/2024, 03:35

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General

Target

2024-10-15_5d4867e2967d5001489dc607d500bd84_cryptolocker.exe
Size

49KB
MD5

5d4867e2967d5001489dc607d500bd84
SHA1

1b997b525fcaa2cf90e6973de6e513748be61e6a
SHA256

308fcaa37bae929c041d2b56752307dbaa84ed157d8b5daf5809760f495c2f4b
SHA512

872c566e7b618c511b89378bd812f5a20852258592f0451b8028d557d46cf1ed648633e0facfa93196b13b7c8c2c4a780cc11cffdea76b2167a59e3e60c18d29
SSDEEP

768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/DpkcAU:P6Q0ElP6G+gJQMOtEvwDpjB8WMlfp

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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2024-10-15_5d4867e2967d5001489dc607d500bd84_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2800	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	2024-10-15_5d4867e2967d5001489dc607d500bd84_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 5104 wrote to memory of 2800	5104	2024-10-15_5d4867e2967d5001489dc607d500bd84_cryptolocker.exe	86
PID 5104 wrote to memory of 2800	5104	2024-10-15_5d4867e2967d5001489dc607d500bd84_cryptolocker.exe	86
PID 5104 wrote to memory of 2800	5104	2024-10-15_5d4867e2967d5001489dc607d500bd84_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-15_5d4867e2967d5001489dc607d500bd84_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-15_5d4867e2967d5001489dc607d500bd84_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5104
- 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:2800

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
50KB

MD5
1d33dc998ae1e4fe1cc90525d28420f1

SHA1
2109b36f12c172274c3c6be7de44dbd6cc57c632

SHA256
9401dc7700afdeb11660109ca64013d379cc28f56ddeec5912f92a5574ce78d5

SHA512
789de02cdf25e958ef225e44a9b51e9c157015716573cfa6315284b1ac69d5ab3d6d138095fd2e1b92cce6fc440af1bb90aee112529b4bb5215888ec4b8e9641

Download Submit
memory/2800-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2800-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2800-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/5104-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/5104-1-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/5104-2-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/5104-3-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/5104-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download