b5f99234362a3e6995afe7b3a57b2182418c495896b6cade1472371c4c1e6a9f

Analysis

max time kernel
92s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2024 05:13

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General

Target

2024-10-10_9c0484d15df7711d10bc0a9abbb123aa_cryptolocker.exe
Size

36KB
MD5

9c0484d15df7711d10bc0a9abbb123aa
SHA1

ba0c379256e4400c0f858870307b4eb14b90d76f
SHA256

b5f99234362a3e6995afe7b3a57b2182418c495896b6cade1472371c4c1e6a9f
SHA512

4ad31778ac3534f5f7502c8374bdf3890bbe6a63d442ac6987977b7e59821db0691a0b596b32b565dd8fa298e63ee9b020214b28455b0e115393a0f7918cbebe
SSDEEP

768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGpNEmNOmnQBDn0:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XZ

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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	2024-10-10_9c0484d15df7711d10bc0a9abbb123aa_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
3720	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	2024-10-10_9c0484d15df7711d10bc0a9abbb123aa_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 3060 wrote to memory of 3720	3060	2024-10-10_9c0484d15df7711d10bc0a9abbb123aa_cryptolocker.exe	86
PID 3060 wrote to memory of 3720	3060	2024-10-10_9c0484d15df7711d10bc0a9abbb123aa_cryptolocker.exe	86
PID 3060 wrote to memory of 3720	3060	2024-10-10_9c0484d15df7711d10bc0a9abbb123aa_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-10_9c0484d15df7711d10bc0a9abbb123aa_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_9c0484d15df7711d10bc0a9abbb123aa_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3060
- 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:3720

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
37KB

MD5
d587bfefa8fa74b4aca68265cd2a6897

SHA1
5b935749b31f0af22fda22022e2985f197d89549

SHA256
95dbf5e1cae3dabd1827a7bd2386adf88cd16154ebe0a3e6f195a8ca1fc89d2c

SHA512
ed16d239ec28383b031e39191a9149f917b5a30398a7bbabb6353416647d51de670219a52774655421151908b838d384f351a6dafa08781e09b0b056e8a3df0f

Download Submit
memory/3060-0-0x00000000020C0000-0x00000000020C6000-memory.dmp

Filesize
24KB

Download
memory/3060-1-0x00000000020C0000-0x00000000020C6000-memory.dmp

Filesize
24KB

Download
memory/3060-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3720-25-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download