113c221f6a62b4a84a7aa35c34f1ed3fce6945e0777df1f161dcb8d30bd61d50

Analysis

max time kernel
95s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 03:24

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General

Target

2024-09-06_e062e01442a5678019170d693ed6a792_cryptolocker.exe
Size

56KB
MD5

e062e01442a5678019170d693ed6a792
SHA1

f29a5fd0bd0621b9ff6be588578a1e8875fba162
SHA256

113c221f6a62b4a84a7aa35c34f1ed3fce6945e0777df1f161dcb8d30bd61d50
SHA512

6d3562145422279bc73f2ee18f3f8d4e3bf5cb040ca441d19b8305086091bc60a931695f9673102b8e57c0f41d32f1e73cfc8733e2cf59fc7fbd3bd5776f88da
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xzpAIX6EA:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7B

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	2024-09-06_e062e01442a5678019170d693ed6a792_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
64	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	2024-09-06_e062e01442a5678019170d693ed6a792_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 64	2920	2024-09-06_e062e01442a5678019170d693ed6a792_cryptolocker.exe	85
PID 2920 wrote to memory of 64	2920	2024-09-06_e062e01442a5678019170d693ed6a792_cryptolocker.exe	85
PID 2920 wrote to memory of 64	2920	2024-09-06_e062e01442a5678019170d693ed6a792_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-09-06_e062e01442a5678019170d693ed6a792_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-06_e062e01442a5678019170d693ed6a792_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2920
- 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:64

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\hurok.exe

Filesize
56KB

MD5
1b5b915f47abcfa5cbd36585fe93f3e8

SHA1
20196a11a26b040fd61a90fa9818bc607691fbe4

SHA256
2b93319706fae0494f886c9585baf95eb06084cd96df2a66b5bd7244deb915d8

SHA512
85608fa39df3eb3705cd01b0e4db9242d4a4092d93e774c90268f0bfde42da9ff5bee241a5de87bb78ed3a68aa8249e020266758cdd1dcc6ed6b9e55cb48ab52

Download Submit
memory/64-25-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/2920-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/2920-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/2920-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download