61143919efa2596e6bdd9810210990668b66df1be0ddeac607e83916f46625c8

Analysis

max time kernel
94s
max time network
147s
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, 02:51

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General

Target

2024-09-19_6d5990148f21129ab01722cdf0fda429_cryptolocker.exe
Size

48KB
MD5

6d5990148f21129ab01722cdf0fda429
SHA1

5597ecbcae9b3d1dc68e3fcb1082c678965b311e
SHA256

61143919efa2596e6bdd9810210990668b66df1be0ddeac607e83916f46625c8
SHA512

90ed49327db117e5da21f22f3e1f1104bd4afbda5464d0fb8c81c3132aa28f470c15b08eade95e27ab6a27e7dba3acd9a101b26d5b82142fe22a0a94b75a0184
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatd:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7p

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-09-19_6d5990148f21129ab01722cdf0fda429_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
1504	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	2024-09-19_6d5990148f21129ab01722cdf0fda429_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 3304 wrote to memory of 1504	3304	2024-09-19_6d5990148f21129ab01722cdf0fda429_cryptolocker.exe	82
PID 3304 wrote to memory of 1504	3304	2024-09-19_6d5990148f21129ab01722cdf0fda429_cryptolocker.exe	82
PID 3304 wrote to memory of 1504	3304	2024-09-19_6d5990148f21129ab01722cdf0fda429_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-19_6d5990148f21129ab01722cdf0fda429_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_6d5990148f21129ab01722cdf0fda429_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3304
- 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:1504

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
8c02b8af62ee21f1b6dae8e855a34475

SHA1
eca80b9190fc0f403383566ba58ea057e69d6a73

SHA256
b3be5b08f650e203c0dcc3ee0fb0ee40215c32433ff339d775381d240b160824

SHA512
33126a4aed05b519f4f027ff815c6d097c1f56270b79f4bb2ad58844225ca2ffed9992492a099e66da9f15f8a22f99fe7e29ef0a77a291817adce4558691b67c

Download Submit
memory/1504-25-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/3304-0-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/3304-1-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/3304-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download