bba5b1824f78260116e8fe1e2ef5b885b806623b34594a14718111bb5cb23a14

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
21-11-2024 07:31

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General

Target

2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exe
Size

79KB
MD5

6d494567b0bc72dcfdeb439473b7ffc8
SHA1

ff78f6c963ab195d62e9c0bd682c4f81f8d1d42f
SHA256

bba5b1824f78260116e8fe1e2ef5b885b806623b34594a14718111bb5cb23a14
SHA512

464d53eb4dcc5dcab69ac1ab0950785656655c6c7bbe60914d161e74618b69c081473ea49054c829f7df9edf09c859c15791503d595593866196c73c5b1345be
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsoLktD:X6a+SOtEvwDpjBZYvQd2S

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

Processes:

2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

3052 asih.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3052	asih.exe

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

Processes:

2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exeasih.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exe

description	pid	process	target process
PID 1260 wrote to memory of 3052	1260	2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exe	asih.exe
PID 1260 wrote to memory of 3052	1260	2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exe	asih.exe
PID 1260 wrote to memory of 3052	1260	2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1260
- 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:3052

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
79KB

MD5
1589390b21974ef55cbe4855092e6ccf

SHA1
05e1461e2451a7a1e9892e82c536b3be646da4f5

SHA256
fccdccfada96b8541d9e6afb84d39c85b2d45584efb761ebd63cbd89c7c5028e

SHA512
bc3554a83fcd0599a375fef865dcff9fad64116beb4ec82157e1a36c95fa7ad54d8ed152c1ec0db7545f1687a2fb8da92e9f0fa550fe71513a56aa0e7b6ecb03

Download Submit
memory/1260-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/1260-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/1260-2-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/3052-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3052-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download