c7c99236df9e87a4a42edf131045af830e65d3d901745c22a87a5156f50463f4

Analysis

max time kernel
149s
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
12/09/2024, 03:00

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General

Target

2024-09-12_c5a6e63ea8970539c71dadbdda462fd9_cryptolocker.exe
Size

47KB
MD5

c5a6e63ea8970539c71dadbdda462fd9
SHA1

d9f760ac7494bfacd154d145a0d6b261f847c628
SHA256

c7c99236df9e87a4a42edf131045af830e65d3d901745c22a87a5156f50463f4
SHA512

f32d7c00e9917c5f29dc7e786fed9263b6147acadc174cb4e984a7d4d0c10f4cc9d6e14c86695df0b92ba4edd4b8382a377d715c46df3740f3778a59092f4eab
SSDEEP

768:y6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjbXOQ69zbjlAAX5e9zrP:y6QFElP6n+gMQMOtEvwDpjbizbR9Xwzz

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	2024-09-12_c5a6e63ea8970539c71dadbdda462fd9_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
880	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	2024-09-12_c5a6e63ea8970539c71dadbdda462fd9_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 2724 wrote to memory of 880	2724	2024-09-12_c5a6e63ea8970539c71dadbdda462fd9_cryptolocker.exe	84
PID 2724 wrote to memory of 880	2724	2024-09-12_c5a6e63ea8970539c71dadbdda462fd9_cryptolocker.exe	84
PID 2724 wrote to memory of 880	2724	2024-09-12_c5a6e63ea8970539c71dadbdda462fd9_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-12_c5a6e63ea8970539c71dadbdda462fd9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-12_c5a6e63ea8970539c71dadbdda462fd9_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2724
- 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:880

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
47KB

MD5
2b8f044295cc42b1da3ea910dcb26e4d

SHA1
b80516521f15b19f5c4202e51802590fba64ab75

SHA256
a5fb00687999d7339e7c4258901cfe41528a81146a0fb5e7445c3c708d593f45

SHA512
24ca5b772006c268fbda910e84ad18ab8469d911c865b62f0aa2b3c5a7a314228e8e8df9805165287138e6ae7ae88decba3393fdb12ff0c912914820172017d3

Download Submit
memory/880-17-0x00000000007A0000-0x00000000007A6000-memory.dmp

Filesize
24KB

Download
memory/880-18-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/2724-0-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/2724-1-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/2724-2-0x00000000007C0000-0x00000000007C6000-memory.dmp

Filesize
24KB

Download