f44ab3b6970ee69e0be9764ae703daba35592685399886c09443de59fb876d6c

Analysis

max time kernel
94s
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
02/10/2024, 02:25

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General

Target

2024-10-02_10e20f05028008b7bdce7074ffbb13bb_cryptolocker.exe
Size

56KB
MD5

10e20f05028008b7bdce7074ffbb13bb
SHA1

0794b0ce2b189316f5399cc5c54cfd2eb31c4ea1
SHA256

f44ab3b6970ee69e0be9764ae703daba35592685399886c09443de59fb876d6c
SHA512

7c9f337d3d088600e55979dd3140785b93da14056aa2aba1b90a710ea1059f84a43bdc7853a6c47e4ba8b6f501a806cfbc404b73efaa4ac7a95ce9a1c20b3c85
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xzpAIX6Ey:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7v

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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	2024-10-02_10e20f05028008b7bdce7074ffbb13bb_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
3196	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	2024-10-02_10e20f05028008b7bdce7074ffbb13bb_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 3364 wrote to memory of 3196	3364	2024-10-02_10e20f05028008b7bdce7074ffbb13bb_cryptolocker.exe	82
PID 3364 wrote to memory of 3196	3364	2024-10-02_10e20f05028008b7bdce7074ffbb13bb_cryptolocker.exe	82
PID 3364 wrote to memory of 3196	3364	2024-10-02_10e20f05028008b7bdce7074ffbb13bb_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-02_10e20f05028008b7bdce7074ffbb13bb_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-02_10e20f05028008b7bdce7074ffbb13bb_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3364
- 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:3196

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
56KB

MD5
793da491f16386fc50742eaf863257a0

SHA1
f89db3514632a4e5358b57a8e837d9c3ccb34585

SHA256
f4d9a30e685a5a4711dd06db91a75f7e5d5f5e4ed5a40df0552f426b03eac264

SHA512
a9e7c3d5373587d83561da04d951bec688c72c4331e271339982bce62b83f3f02118076078a6578f69e1e933ff479788f443ab381f7367a4da492d393a57ca54

Download Submit
memory/3196-25-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/3364-0-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/3364-1-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/3364-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download