a90096bf134f4ab7f291743010cb1afeb273bbc2cab1f903df5118629d9b4cc4

Analysis

max time kernel
149s
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
09/10/2024, 10:42

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-10-09_5404a1e5a5e4eb0ebfb0db2ebf2876b0_cryptolocker.exe
Size

36KB
MD5

5404a1e5a5e4eb0ebfb0db2ebf2876b0
SHA1

6cc0873489add983e3bfc59d528faaa43fd83cf2
SHA256

a90096bf134f4ab7f291743010cb1afeb273bbc2cab1f903df5118629d9b4cc4
SHA512

deae5647b93000ddbf6a16ad3f92e66bad65085fefdae6acfd65f1a0fc316b48f95e89c15919066622333cd35924747264b43d8aa3ce36455ed02450a7d49560
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2BodcAOjbQ36ttTr:btB9g/WItCSsAGjX7r3BGubB

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	2024-10-09_5404a1e5a5e4eb0ebfb0db2ebf2876b0_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1208	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	2024-10-09_5404a1e5a5e4eb0ebfb0db2ebf2876b0_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 2104 wrote to memory of 1208	2104	2024-10-09_5404a1e5a5e4eb0ebfb0db2ebf2876b0_cryptolocker.exe	86
PID 2104 wrote to memory of 1208	2104	2024-10-09_5404a1e5a5e4eb0ebfb0db2ebf2876b0_cryptolocker.exe	86
PID 2104 wrote to memory of 1208	2104	2024-10-09_5404a1e5a5e4eb0ebfb0db2ebf2876b0_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-09_5404a1e5a5e4eb0ebfb0db2ebf2876b0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-09_5404a1e5a5e4eb0ebfb0db2ebf2876b0_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2104
- 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:1208

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\gewos.exe

Filesize
36KB

MD5
465c09afb741d2f44e209a082f91bcd0

SHA1
2df4f0c1eb50c11149933e63ef05ac376ae01b78

SHA256
48d245604ac81062e5b9265a7656e18f7567b6c6911e31e8b59bd1565d703d20

SHA512
911329449f9f216127548e878270d7f18aaa4b4604daef8b8c557b2e12e8ed6cbac7f96c0efa0668f30281e9c64e9b123f05543deb6b21ff42a49dcf63ea13e2

Download Submit
memory/1208-19-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/2104-0-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/2104-1-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/2104-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download