421489e4cf0603293c35f9b5f8ad525cdf8b42968cf11fb89e976ae817d3626a

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28/09/2024, 04:25

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General

Target

2024-09-28_0c6a499e195a47365617ef152ae1e8c6_cryptolocker.exe
Size

69KB
MD5

0c6a499e195a47365617ef152ae1e8c6
SHA1

bec15e0b19b2fedd5f098875120f9a3a03f86a70
SHA256

421489e4cf0603293c35f9b5f8ad525cdf8b42968cf11fb89e976ae817d3626a
SHA512

82c93f6ef19b9a327e43322929c141395c9310e08db38e01c70f64d0ef55d1d098d178a104218f674ec8a992ea6389317557e09251000ed375863fd21f88bb7c
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF299N2UY5:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7+

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	2024-09-28_0c6a499e195a47365617ef152ae1e8c6_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
1164	hurok.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	2024-09-28_0c6a499e195a47365617ef152ae1e8c6_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 1164	2956	2024-09-28_0c6a499e195a47365617ef152ae1e8c6_cryptolocker.exe	82
PID 2956 wrote to memory of 1164	2956	2024-09-28_0c6a499e195a47365617ef152ae1e8c6_cryptolocker.exe	82
PID 2956 wrote to memory of 1164	2956	2024-09-28_0c6a499e195a47365617ef152ae1e8c6_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-28_0c6a499e195a47365617ef152ae1e8c6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-28_0c6a499e195a47365617ef152ae1e8c6_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1164

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\hurok.exe

Filesize
69KB

MD5
9803d85d93d4b282c14226510a273e90

SHA1
1bfee924921dbcbe61c2aa3c4c83debdc131e8ae

SHA256
acb816bf2cc7af7d8d8fcfc5ceefeb457e62bd30360db440128627ab7fab08d5

SHA512
5639294cf4f8f773a250eae816d8adf047d3c84b8210a29f797ed671b92a270406a4994d27b520d048f4e4a64aed514f2d15d51d4659eb8d8cb495a6a4cfeeb7

Download Submit
memory/1164-25-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/2956-0-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/2956-1-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/2956-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download