c64f835fcac925da92870400b42467f20fc5eb3fb997d2326767e3c235b480f0

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2024, 01:12

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General

Target

2024-10-13_3a1f68093229ee23dc6e4920cff461c2_cryptolocker.exe
Size

70KB
MD5

3a1f68093229ee23dc6e4920cff461c2
SHA1

49234116ee8628fb2ce25f14e9d0a018bfc79122
SHA256

c64f835fcac925da92870400b42467f20fc5eb3fb997d2326767e3c235b480f0
SHA512

91dd11cc383a7300b73d205f6c9a8c70c1c96481c6a85e1b839f82d4e3c2610103216713a6b2175ea4e44259f349512381d706f6966861aa2406c6af42cb365a
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1E:X6a+SOtEvwDpjBZYvQd2E

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	2024-10-13_3a1f68093229ee23dc6e4920cff461c2_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3976	asih.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	2024-10-13_3a1f68093229ee23dc6e4920cff461c2_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 3976	1360	2024-10-13_3a1f68093229ee23dc6e4920cff461c2_cryptolocker.exe	85
PID 1360 wrote to memory of 3976	1360	2024-10-13_3a1f68093229ee23dc6e4920cff461c2_cryptolocker.exe	85
PID 1360 wrote to memory of 3976	1360	2024-10-13_3a1f68093229ee23dc6e4920cff461c2_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-13_3a1f68093229ee23dc6e4920cff461c2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_3a1f68093229ee23dc6e4920cff461c2_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1360
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3976

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\asih.exe

Filesize
70KB

MD5
3533d6a51907e3e699ecfaca68019efa

SHA1
228d9b8f26b55bac4086b68194494d37338e0c05

SHA256
4b5ef267ebc5ff4f89e423f8c3cd1c4dc05c42ba24aa75b34bee39b9a1d16b05

SHA512
77296c2873e8a6d206083d25ff5aa7be4bcae100f33a1bfa36d206269ea3acecc01511bdb6000166ca0485311e4616ed0ab43de039b0794c016d280695f90b23

Download Submit
memory/1360-0-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/1360-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/1360-2-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/3976-17-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/3976-18-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download