ed993e692faffcd53e83664c66c354b2fbcfca90c320686ec906037d1eace8bc

Analysis

max time kernel
96s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/09/2024, 03:51

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General

Target

2024-09-25_f567c7dfb1a4ad850e618c36f62dae1f_cryptolocker.exe
Size

67KB
MD5

f567c7dfb1a4ad850e618c36f62dae1f
SHA1

63a57f39ba2fb842416d97ac7705699327a9dcea
SHA256

ed993e692faffcd53e83664c66c354b2fbcfca90c320686ec906037d1eace8bc
SHA512

79a54f91ca93ae746243bcbd3686f06a46544b0641e5b799b930959fab6e88463a582c60cbe061e3ad8474682c2bbed1fd9e2c6248a368f1a69422c566d6952e
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293Wb:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7U

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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	2024-09-25_f567c7dfb1a4ad850e618c36f62dae1f_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
2964	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	2024-09-25_f567c7dfb1a4ad850e618c36f62dae1f_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 4472 wrote to memory of 2964	4472	2024-09-25_f567c7dfb1a4ad850e618c36f62dae1f_cryptolocker.exe	82
PID 4472 wrote to memory of 2964	4472	2024-09-25_f567c7dfb1a4ad850e618c36f62dae1f_cryptolocker.exe	82
PID 4472 wrote to memory of 2964	4472	2024-09-25_f567c7dfb1a4ad850e618c36f62dae1f_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-25_f567c7dfb1a4ad850e618c36f62dae1f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-25_f567c7dfb1a4ad850e618c36f62dae1f_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4472
- 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:2964

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
67KB

MD5
06e51ba3ae61c0b9470edb1cf7fa2fb0

SHA1
a6c37a8d3dff8a2d63eb60b41905f1c9313a7bb2

SHA256
00dce3def04239f87400942dd09dbdc73d6a10df2369d7df7007d35c71a30519

SHA512
976fde7874c61ce082871fbfce094c20b369c5ba3726927c51cf3384c634f1dea40bb3835be87e03f4eddccf0eb6495a9249f602d74a69e1cecbe284f2723d3b

Download Submit
memory/2964-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4472-0-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4472-1-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4472-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download