a910c28bebbda20a43e61e1876c20b97caf4c77b15d8e1208a7b95701a488a99

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/10/2024, 23:48

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General

Target

2024-10-17_51d4ced6a59f441a115e0dab0b98c09e_cryptolocker.exe
Size

42KB
MD5

51d4ced6a59f441a115e0dab0b98c09e
SHA1

1019003e3d45c52be75a6c2ede56a9e3132e0309
SHA256

a910c28bebbda20a43e61e1876c20b97caf4c77b15d8e1208a7b95701a488a99
SHA512

24b17161bda4b260f43329dd50b778a167544fa51a9262bc37e85c7d19369d431601afa8a66e5e7d6764b5a05cf2af52c915faad2ecfcee824c8cc25047f600e
SSDEEP

768:btB9g/WItCSsAGjX7r3BPOMHoc/QQJPhD:btB9g/xtCSKfxLIc/XD

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	2024-10-17_51d4ced6a59f441a115e0dab0b98c09e_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1916	gewos.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	2024-10-17_51d4ced6a59f441a115e0dab0b98c09e_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gewos.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 1916	4544	2024-10-17_51d4ced6a59f441a115e0dab0b98c09e_cryptolocker.exe	84
PID 4544 wrote to memory of 1916	4544	2024-10-17_51d4ced6a59f441a115e0dab0b98c09e_cryptolocker.exe	84
PID 4544 wrote to memory of 1916	4544	2024-10-17_51d4ced6a59f441a115e0dab0b98c09e_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-10-17_51d4ced6a59f441a115e0dab0b98c09e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-17_51d4ced6a59f441a115e0dab0b98c09e_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4544
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1916

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\gewos.exe

Filesize
43KB

MD5
219bfd513cfd1b89698802e548f1171c

SHA1
67bf15b42436ca628c7d1227474598035516129b

SHA256
9e8433d049346d3c140d0ce84385a7588d33bd53061435c18edb1211ade6a885

SHA512
2ebe95065b213641b66b7bc94ecc79dbbdaf7dc31b18b64d266896218bcc0ff2d5936d7e11823e9560b818905abc12d0c95ab799c9d7fecd16f4bd7ec0328cf4

Download Submit
memory/1916-19-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/4544-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/4544-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/4544-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download