c8a3fdce5942859b6fc60b731f5bee94d7c3f5c5b784973717e24e697fcca838

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
10/10/2024, 03:09

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General

Target

2024-10-10_b7092c98f7f8289fe0068e87996e672c_cryptolocker.exe
Size

30KB
MD5

b7092c98f7f8289fe0068e87996e672c
SHA1

c7079eba3c150f8a0b85a7eae522b49cf34221c0
SHA256

c8a3fdce5942859b6fc60b731f5bee94d7c3f5c5b784973717e24e697fcca838
SHA512

099490e7bfa1ced46e94b00876ea8741173776de39caade7a4c5455b2e71c3e4f7d498f391706eb4373150bc2ac333107f521964f199cfb58ae1bb09f6067942
SSDEEP

768:q0ZziOWwULueOSdE8tOOtEvwDpjeW0aIHVc3lCR3wB:q0zizzOSxMOtEvwDpj/05V+43wB

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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	2024-10-10_b7092c98f7f8289fe0068e87996e672c_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1364	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	2024-10-10_b7092c98f7f8289fe0068e87996e672c_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 4712 wrote to memory of 1364	4712	2024-10-10_b7092c98f7f8289fe0068e87996e672c_cryptolocker.exe	85
PID 4712 wrote to memory of 1364	4712	2024-10-10_b7092c98f7f8289fe0068e87996e672c_cryptolocker.exe	85
PID 4712 wrote to memory of 1364	4712	2024-10-10_b7092c98f7f8289fe0068e87996e672c_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-10_b7092c98f7f8289fe0068e87996e672c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_b7092c98f7f8289fe0068e87996e672c_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4712
- 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:1364

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\asih.exe

Filesize
30KB

MD5
d2a2cb9aeb6623ee95083ae32763b59f

SHA1
d409ad36e2650fe9279b0d701bb1db6cc8e5ca67

SHA256
bd37c7bd27f7b3f2403f5d9d74ffba66823c8dafc1a31e275dd384c451edaae5

SHA512
cc944138ae34a4d8b0880c56180889020c28a6ac9b4d8d7cce88446943c7bba8b3f9b34930e0b700a0fa3502dd1572ca117e3a4f85aa02baa0dfa75790fe0ea3

Download Submit
memory/1364-25-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/1364-19-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/1364-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4712-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4712-1-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/4712-2-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/4712-3-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/4712-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download