9c289b92ed0770078d047f81ebc577ab49a57e09c8983e67a0cb0196eca73898

Analysis

max time kernel
96s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 03:40

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General

Target

2024-09-19_cb0dc54d000f371f428258dd52241b7a_cryptolocker.exe
Size

32KB
MD5

cb0dc54d000f371f428258dd52241b7a
SHA1

f6543e4480b93c2dbc61c9b1856960cf801a36d0
SHA256

9c289b92ed0770078d047f81ebc577ab49a57e09c8983e67a0cb0196eca73898
SHA512

5f321cbd489d5692be5a37c0e64431dccbf867035848487544b2b05203eec387df5a8476852889b7a8ca64b27bda25c8ca96f24d790d9328cfbad26817673505
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNj:btB9g/WItCSsAGjX7e9Nj

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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	2024-09-19_cb0dc54d000f371f428258dd52241b7a_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	gewos.exe

Executes dropped EXE 1 IoCs

pid	Process
3120	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	2024-09-19_cb0dc54d000f371f428258dd52241b7a_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 3780 wrote to memory of 3120	3780	2024-09-19_cb0dc54d000f371f428258dd52241b7a_cryptolocker.exe	82
PID 3780 wrote to memory of 3120	3780	2024-09-19_cb0dc54d000f371f428258dd52241b7a_cryptolocker.exe	82
PID 3780 wrote to memory of 3120	3780	2024-09-19_cb0dc54d000f371f428258dd52241b7a_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-19_cb0dc54d000f371f428258dd52241b7a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_cb0dc54d000f371f428258dd52241b7a_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3780
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3120

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\gewos.exe

Filesize
33KB

MD5
10da78358da546d9ee1bef42f03173ab

SHA1
8024dca4812d90c3ddc21f7fdd035a052e51c525

SHA256
ff91a14f278518b7b2ba288c51512dea5b5e92e422eed6fa234454e099d52d7b

SHA512
a85a4b1c03ab36bee21b62afc26135d2b82f45f399e2b793833b8de5005b00d6752da6fe32bdd404c0678a2f3a036811117267cf0f38366e4b8cee6a8ad1c630

Download Submit
C:\Users\Admin\AppData\Local\Temp\gewosik.exe

Filesize
184B

MD5
d687c88e88d160d5cf5fb058d0ef6b5a

SHA1
7e9139ab31865dd454ec58d48882f644ec8657fa

SHA256
876cb924ef2e5befac2998ae4673e8ed48eb3937e88927385a7117c3a01fd165

SHA512
0d7e4bbce66b031da88500db142089617fa42e1611124e09f2cd27d5416058d960ae280741b15d1482cd8d3257c9bcc203847849ae03289b3c499a8b4e724328

Download Submit
memory/3120-19-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/3780-0-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/3780-1-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/3780-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download