d10c99aeab0359f0e6a11d95e7651439a97ceb8d9f68c160beade9a0a2cf581f

Analysis

max time kernel
94s
max time network
126s
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, 03:35

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General

Target

2024-09-19_a0b5fbc3272adaa0f81463fa112eede4_cryptolocker.exe
Size

48KB
MD5

a0b5fbc3272adaa0f81463fa112eede4
SHA1

848509ad3fe47c9f120c362a1d4f1057b4cfdf9e
SHA256

d10c99aeab0359f0e6a11d95e7651439a97ceb8d9f68c160beade9a0a2cf581f
SHA512

8995c8ad5b4dd87f81f7833c8f0111f881354a7bcb25eba0045301bef43df40314af6bdee00df6c4e51b0e759710eefdeade6d330299211fa4affd0a3b99549e
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjats:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7Y

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	2024-09-19_a0b5fbc3272adaa0f81463fa112eede4_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
2772	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	hurok.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-19_a0b5fbc3272adaa0f81463fa112eede4_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3832 wrote to memory of 2772	3832	2024-09-19_a0b5fbc3272adaa0f81463fa112eede4_cryptolocker.exe	82
PID 3832 wrote to memory of 2772	3832	2024-09-19_a0b5fbc3272adaa0f81463fa112eede4_cryptolocker.exe	82
PID 3832 wrote to memory of 2772	3832	2024-09-19_a0b5fbc3272adaa0f81463fa112eede4_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-19_a0b5fbc3272adaa0f81463fa112eede4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_a0b5fbc3272adaa0f81463fa112eede4_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3832
- 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:2772

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
0d54d9b779d1c3c9e0c981086f1d7208

SHA1
8b3ae0805625c18e947b95645fc84791192f61d4

SHA256
67d08ec3c94d9d02674cab2138c599d8c29c337ea6d818ecffce810e91bdeecf

SHA512
5bed697af209fa70ab1ac3c46b1532e4381ae47c9becc0a733c5d38ef89191cf6c16b0525c26664c61ce91d103c15ac92d1b016bb7443743895171a2e10ada1d

Download Submit
memory/2772-19-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/3832-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3832-1-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3832-0-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download