e384365cb28886c9dc527e875eeae8ab64c598b922b62af28987f38ef91f49c4

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-10-2024 04:41

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General

Target

2024-10-15_939286fb8ffbbc3ae0d109231ae35ccc_cryptolocker.exe
Size

46KB
MD5

939286fb8ffbbc3ae0d109231ae35ccc
SHA1

0de1f8b02f3e718094c80a6b82658476fc718601
SHA256

e384365cb28886c9dc527e875eeae8ab64c598b922b62af28987f38ef91f49c4
SHA512

5e441bc50b4f80beb4f87fa4aa123506298ecb640e27644ab854f919d159b5a67bd8fe9f6dac0488b2c75cb96b7a340d84ed68b38e1ad791e15f2ccd224cd465
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9Hkl:X6QFElP6n+gJQMOtEvwDpjBmzDkWDtE

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	2024-10-15_939286fb8ffbbc3ae0d109231ae35ccc_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1588	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	2024-10-15_939286fb8ffbbc3ae0d109231ae35ccc_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 1804 wrote to memory of 1588	1804	2024-10-15_939286fb8ffbbc3ae0d109231ae35ccc_cryptolocker.exe	85
PID 1804 wrote to memory of 1588	1804	2024-10-15_939286fb8ffbbc3ae0d109231ae35ccc_cryptolocker.exe	85
PID 1804 wrote to memory of 1588	1804	2024-10-15_939286fb8ffbbc3ae0d109231ae35ccc_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-15_939286fb8ffbbc3ae0d109231ae35ccc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-15_939286fb8ffbbc3ae0d109231ae35ccc_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1804
- 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:1588

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
46KB

MD5
a52b54d17d81f9e417d21bdd4aa548ba

SHA1
1625c4d39174d65fb9721fb53f05fb5dbfa21ab6

SHA256
d71041adc36498ace5533bd58412338831cbc938ca52c7f0e44d126a410af89a

SHA512
80616893a1bbc14f85b941378315e460c1cbd6dd3d49ce6ec219972c1f47372a3efa13c4eeaa751b3a375f4d05aa34b3f3a0a268694a0ee64484911e0b5d11bd

Download Submit
memory/1588-17-0x00000000020C0000-0x00000000020C6000-memory.dmp

Filesize
24KB

Download
memory/1588-19-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download
memory/1804-0-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/1804-1-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/1804-2-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download