f4963b241c6190ec2368a7f841c38f31966ead7f43209d67a186a5027f623cba

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 03:51

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General

Target

2024-10-04_df6acd04740b63d32819dd1cc1081032_cryptolocker.exe
Size

47KB
MD5

df6acd04740b63d32819dd1cc1081032
SHA1

8dba58b7098b1b11561f6e15d84f11224f8b24ee
SHA256

f4963b241c6190ec2368a7f841c38f31966ead7f43209d67a186a5027f623cba
SHA512

baf58c7561fa2594657964ac7edde5eb783c65124a430ccb96052815da68b90ef6a9d4b9a121393beada78e802ed771f1925391ffbae65d85e02ca8843f1a56b
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPlAW:P6QFElP6k+MRQMOtEvwDpjBQpVX8AW

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	2024-10-04_df6acd04740b63d32819dd1cc1081032_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2008	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	2024-10-04_df6acd04740b63d32819dd1cc1081032_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 5036 wrote to memory of 2008	5036	2024-10-04_df6acd04740b63d32819dd1cc1081032_cryptolocker.exe	82
PID 5036 wrote to memory of 2008	5036	2024-10-04_df6acd04740b63d32819dd1cc1081032_cryptolocker.exe	82
PID 5036 wrote to memory of 2008	5036	2024-10-04_df6acd04740b63d32819dd1cc1081032_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-04_df6acd04740b63d32819dd1cc1081032_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-04_df6acd04740b63d32819dd1cc1081032_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5036
- 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:2008

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
48KB

MD5
16f53abe0d93d89a9e79b49f9506580e

SHA1
db39f9f1e7de84e6b9cd60f960c3aa7418c7873e

SHA256
4dab68aabfe5d51135c91092880e54d14735aa8bbb44a09a7c64c2a8ac175ddd

SHA512
71ef2836d852754f44b48004e3ffd5db18c7938334b58208bc10588b534332b9b81a4a1c3f026f6d4063d187f6d7390ec1098d015fb473945b6787cda57eb8dc

Download Submit
memory/2008-25-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2008-19-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2008-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/5036-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/5036-1-0x0000000002270000-0x0000000002276000-memory.dmp

Filesize
24KB

Download
memory/5036-2-0x0000000002270000-0x0000000002276000-memory.dmp

Filesize
24KB

Download
memory/5036-3-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/5036-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download