029a46e79c4299354dbd98468b5922a1e9674db8dcee0370205849243a24414b

Analysis

max time kernel
130s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26/07/2024, 00:27

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General

Target

2024-07-26_7b0aab0f5a3d23072b69cb066ff4e393_cryptolocker.exe
Size

48KB
MD5

7b0aab0f5a3d23072b69cb066ff4e393
SHA1

4bf1ad89fc9316d155387ad932570f01675cbc00
SHA256

029a46e79c4299354dbd98468b5922a1e9674db8dcee0370205849243a24414b
SHA512

8cda4654b180fa9e04916b0d0cd36ae9259b4d35cf7f652b241ac1041ae0e0d80ceefbb7283a425e44ce639de53c758e7e5bc684e84daeddf67da717d70d08ba
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatL:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7f

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-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	2024-07-26_7b0aab0f5a3d23072b69cb066ff4e393_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
2584	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	2024-07-26_7b0aab0f5a3d23072b69cb066ff4e393_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 2404 wrote to memory of 2584	2404	2024-07-26_7b0aab0f5a3d23072b69cb066ff4e393_cryptolocker.exe	84
PID 2404 wrote to memory of 2584	2404	2024-07-26_7b0aab0f5a3d23072b69cb066ff4e393_cryptolocker.exe	84
PID 2404 wrote to memory of 2584	2404	2024-07-26_7b0aab0f5a3d23072b69cb066ff4e393_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-07-26_7b0aab0f5a3d23072b69cb066ff4e393_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-26_7b0aab0f5a3d23072b69cb066ff4e393_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2404
- 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:2584

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
48KB

MD5
7a28998c6db2f86491da36aedf6308d8

SHA1
8dedcb2abd39a8bd541142c9186731300efd0bf4

SHA256
6b924fba6de4366bcd1fa42d715044c66d6c1efad7fa81d1f9d3f002c2b493e4

SHA512
007c710f84f42410ffbc553547e147bc82d382c8aa2a25f80cdf04f0f1e3acf3162e58d11f418fce637b040bddcaa29f244690bcc3d08b98f3301fcc3d3bda53

Download Submit
memory/2404-0-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2404-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2404-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2584-25-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download