1a92dd23fc4374c7faa23920271bf937d97dd59f91757d8b5e4497065917d805

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09-09-2024 18:30

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General

Target

2024-09-09_8818bf78bccfc9b2db80f1b71123ca50_cryptolocker.exe
Size

53KB
MD5

8818bf78bccfc9b2db80f1b71123ca50
SHA1

2933dbc3a6aed26e0520ee03230c4e6d050a98bc
SHA256

1a92dd23fc4374c7faa23920271bf937d97dd59f91757d8b5e4497065917d805
SHA512

635b4adbc018242714a46a549153657f9be97ac61ae5879e4fa2699cd55819c362fdc34ade0750073b383d6ba42c90a7c70db8449caf5cd54b7f0d1f5b50cdcd
SSDEEP

768:79inqyNR/QtOOtEvwDpjBK/rJ+Nw8qn8pKIRszDr6PBi:79mqyNhQMOtEvwDpjBxe8TpXRSDePg

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	2024-09-09_8818bf78bccfc9b2db80f1b71123ca50_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2320	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	2024-09-09_8818bf78bccfc9b2db80f1b71123ca50_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 2764 wrote to memory of 2320	2764	2024-09-09_8818bf78bccfc9b2db80f1b71123ca50_cryptolocker.exe	84
PID 2764 wrote to memory of 2320	2764	2024-09-09_8818bf78bccfc9b2db80f1b71123ca50_cryptolocker.exe	84
PID 2764 wrote to memory of 2320	2764	2024-09-09_8818bf78bccfc9b2db80f1b71123ca50_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-09_8818bf78bccfc9b2db80f1b71123ca50_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-09_8818bf78bccfc9b2db80f1b71123ca50_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2764
- 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:2320

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
54KB

MD5
9f02af89f8c773f078c6d162b41bb0bf

SHA1
cf15e75d041dc04ea1f19464bb22477ef3282fe5

SHA256
d37996c0069341d2b1b96dd35e63888678a603b9b5a70053f48124d45bff0688

SHA512
8114bbbd73e533b1d3c4d58c91178381f35fccb6d76d48052f0b887c6171f8c2aa7c18c7492e0f76e8090d64be4402c640d0f508cc28f21446ed8755cf630984

Download Submit
memory/2320-19-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/2320-25-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2764-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2764-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/2764-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/2764-3-0x0000000000790000-0x0000000000796000-memory.dmp

Filesize
24KB

Download
memory/2764-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download