b9a3a655fff2b61f3a7a0c8a74a391cca1f2f492514e2bd0e3a26fee160f06e3

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
15/09/2024, 02:51

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General

Target

2024-09-15_c88f670ad32fb90feda4feb483791c24_cryptolocker.exe
Size

53KB
MD5

c88f670ad32fb90feda4feb483791c24
SHA1

e28d0aeb3f0f259a3489ae64181fb78dc37bf613
SHA256

b9a3a655fff2b61f3a7a0c8a74a391cca1f2f492514e2bd0e3a26fee160f06e3
SHA512

07c54c25e0401d92e0509610d25c2f2b32101aee51cdfb6d801c6e6f22ca7a04c08f6579693f3da02e301a26eead4d955c4f2231325490c6f227308a51b3a399
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vaTCFWpzgVo5:X6QFElP6n+gJBMOtEvwDpjBtELVE

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	2024-09-15_c88f670ad32fb90feda4feb483791c24_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1788	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	2024-09-15_c88f670ad32fb90feda4feb483791c24_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 4836 wrote to memory of 1788	4836	2024-09-15_c88f670ad32fb90feda4feb483791c24_cryptolocker.exe	87
PID 4836 wrote to memory of 1788	4836	2024-09-15_c88f670ad32fb90feda4feb483791c24_cryptolocker.exe	87
PID 4836 wrote to memory of 1788	4836	2024-09-15_c88f670ad32fb90feda4feb483791c24_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-09-15_c88f670ad32fb90feda4feb483791c24_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-15_c88f670ad32fb90feda4feb483791c24_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4836
- 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:1788

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
53KB

MD5
308616714384155866380359f30b83cc

SHA1
3f7bc11556d1dc73841ca1e7f4b79239ff1d1e95

SHA256
4dedbf5a0c02426d94f171f6c74de11ada5f69a5383496a4abcc5589ceb48a43

SHA512
e895f5759529356870b8a443916a2000db01572a230156bafd48363f2e0ad6a3e10a79e71f42fe723fa8d86c2335085a25064ae5e9d6d8f0da5bbc2faf054480

Download Submit
memory/1788-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1788-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4836-0-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/4836-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/4836-2-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download