32cbdb9f065876a6a2e58e4c2260417a8c1b7da4524dfeb7e48a9eec459511c4

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
25-09-2024 03:42

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General

Target

2024-09-25_a1034bc51ccab1d3980d273c4ccc4e55_cryptolocker.exe
Size

48KB
MD5

a1034bc51ccab1d3980d273c4ccc4e55
SHA1

d131164d5a1dcd76569e782da1835feabe1f801a
SHA256

32cbdb9f065876a6a2e58e4c2260417a8c1b7da4524dfeb7e48a9eec459511c4
SHA512

c534f37d48e350118ac41c0ac289ee3265d645ace47a754007a2bc86bb97b050aa76070a117a0e061be8f6e5b8dc5545cf4fd3d70d888b38718e61f6e59be165
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPlAM:P6QFElP6k+MRQMOtEvwDpjBQpVX8AM

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-09-25_a1034bc51ccab1d3980d273c4ccc4e55_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2292	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	2024-09-25_a1034bc51ccab1d3980d273c4ccc4e55_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 3940 wrote to memory of 2292	3940	2024-09-25_a1034bc51ccab1d3980d273c4ccc4e55_cryptolocker.exe	82
PID 3940 wrote to memory of 2292	3940	2024-09-25_a1034bc51ccab1d3980d273c4ccc4e55_cryptolocker.exe	82
PID 3940 wrote to memory of 2292	3940	2024-09-25_a1034bc51ccab1d3980d273c4ccc4e55_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-25_a1034bc51ccab1d3980d273c4ccc4e55_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-25_a1034bc51ccab1d3980d273c4ccc4e55_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3940
- 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:2292

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
3472c805bf3eeb0a63a3c0338b4e2bc3

SHA1
efe02cf3f31d9c333b9a2fd20b7d5dabbf149d62

SHA256
fec66fe52bf01a7f3a11df6ded63cb1b53871174c8c92718717d13b53bc4464a

SHA512
fac3ea51b796310d193a11bd42ae8aa205a2bceab189fb50b891e3c0d6bdc99066e40e4ec164222a95d163536533a938a2b86469a79ced7f1bdc2b3f8125271b

Download Submit
memory/2292-20-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2292-19-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2292-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3940-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3940-1-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/3940-2-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/3940-3-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download
memory/3940-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download