1575ee0a75f9be643bca717854b346608f50e1bc202fcb81dcabae22554c95fe

Analysis

max time kernel
142s
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
06/09/2024, 18:23

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General

Target

2024-09-06_26b12d3f59e55324b6a63c520db609ef_cryptolocker.exe
Size

47KB
MD5

26b12d3f59e55324b6a63c520db609ef
SHA1

25de39398038aec094b704fff4ee0d6992100591
SHA256

1575ee0a75f9be643bca717854b346608f50e1bc202fcb81dcabae22554c95fe
SHA512

6b6c24774b527608b726ae268d8e07903d3f357af8e8b786c4557cc0d4bc2ad1db962b129bc0f6705c9e60b3c2a66c55bcc2665abe3a87101b4712b13997b36f
SSDEEP

768:26LsoVEeegiZPvEhHSP+gDdQtOOtEvwDpjtMLZdzuqpXsiE8Wq/DpkITYaq:26Q0ElP6G+gBQMOtEvwDpjgWMl7TYaq

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	2024-09-06_26b12d3f59e55324b6a63c520db609ef_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1220	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	2024-09-06_26b12d3f59e55324b6a63c520db609ef_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 2072 wrote to memory of 1220	2072	2024-09-06_26b12d3f59e55324b6a63c520db609ef_cryptolocker.exe	85
PID 2072 wrote to memory of 1220	2072	2024-09-06_26b12d3f59e55324b6a63c520db609ef_cryptolocker.exe	85
PID 2072 wrote to memory of 1220	2072	2024-09-06_26b12d3f59e55324b6a63c520db609ef_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-09-06_26b12d3f59e55324b6a63c520db609ef_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-06_26b12d3f59e55324b6a63c520db609ef_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2072
- 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:1220

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
48KB

MD5
dfe1bc815d34a789e1c2fd60d00a4aea

SHA1
299a9bad512692a3329d51e98d1df97668990979

SHA256
dfb29395dd8f67ff6c1d6e342264ed8ea005d0602176180399da3ec8b0b29e51

SHA512
1899411347574a25cb694a2af2c7d2ce34c8ecadc0262c68f97fa3292449dcff8a0e47033d8ae8e9f642265b69c4977e44bbf482d985ff2d916bb429931f4fdf

Download Submit
memory/1220-19-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/1220-25-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1220-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2072-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2072-1-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download
memory/2072-2-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download
memory/2072-3-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/2072-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download