defe2c86d5dccc31596a9f40d97d287fb1db9a23d08c4a0ebf0d7715d87e51ba

Analysis

max time kernel
148s
max time network
154s
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, 05:27

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General

Target

2024-10-15_201e778ead8827f4e94d1ff46800cfa4_cryptolocker.exe
Size

44KB
MD5

201e778ead8827f4e94d1ff46800cfa4
SHA1

977c7556fd585e11da6460ba63addad444385e2d
SHA256

defe2c86d5dccc31596a9f40d97d287fb1db9a23d08c4a0ebf0d7715d87e51ba
SHA512

c530f156e68a346563a674ae20a3b4aae58d6e6c3076238d00f00e045870667dbc18116bf64a64c515f79ebde37f3a0e86deb91c66a7d65c6af057889b180a3a
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEq1xGb3yoL:X6QFElP6n+gJQMOtEvwDpjB0mGbHL

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	2024-10-15_201e778ead8827f4e94d1ff46800cfa4_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1308	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_201e778ead8827f4e94d1ff46800cfa4_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 4540 wrote to memory of 1308	4540	2024-10-15_201e778ead8827f4e94d1ff46800cfa4_cryptolocker.exe	86
PID 4540 wrote to memory of 1308	4540	2024-10-15_201e778ead8827f4e94d1ff46800cfa4_cryptolocker.exe	86
PID 4540 wrote to memory of 1308	4540	2024-10-15_201e778ead8827f4e94d1ff46800cfa4_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-15_201e778ead8827f4e94d1ff46800cfa4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-15_201e778ead8827f4e94d1ff46800cfa4_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4540
- 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:1308

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
44KB

MD5
218ee1fa5e7fbb3f58eb212eb768d472

SHA1
733004a8894fe8fcfe4114726532f7b52bf8c564

SHA256
9711c184214b449346677f3b7478223ae9ec15aa50bf3f2469d68c15df6addc3

SHA512
46c663189c584fd7db5eec795c88dd94a3e9221da7aef216d33cded78fe239d15bbe5a817b6d2c39fc1ee859addb7f9f2509e1962a369e204e20a5dba9ec1479

Download Submit
memory/1308-23-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/1308-17-0x0000000000850000-0x0000000000856000-memory.dmp

Filesize
24KB

Download
memory/4540-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4540-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4540-2-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download