94cac3fbb5a93daf24ea0d5608a4f12b86451879ed5e61e833fcdc336f6576ec

Analysis

max time kernel
150s
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
06/10/2024, 06:42

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General

Target

2024-10-06_5c6619d6384d48fcc55fa21cc449e70b_cryptolocker.exe
Size

89KB
MD5

5c6619d6384d48fcc55fa21cc449e70b
SHA1

970d98fd0f67c233fe05306f7b1f3b62fdcf8f86
SHA256

94cac3fbb5a93daf24ea0d5608a4f12b86451879ed5e61e833fcdc336f6576ec
SHA512

2fce8ac035bae709bb5029131da685724cf09c3dbc921c8a3606bcbc563e3700070e8c871a8f553df557c34cd5f7f0c82dbe21ca218e15c81224362f14dff99e
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbNcqamvWNVtZI:V6a+pOtEvwDpjt5

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	2024-10-06_5c6619d6384d48fcc55fa21cc449e70b_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1332	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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-06_5c6619d6384d48fcc55fa21cc449e70b_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 1332	3940	2024-10-06_5c6619d6384d48fcc55fa21cc449e70b_cryptolocker.exe	82
PID 3940 wrote to memory of 1332	3940	2024-10-06_5c6619d6384d48fcc55fa21cc449e70b_cryptolocker.exe	82
PID 3940 wrote to memory of 1332	3940	2024-10-06_5c6619d6384d48fcc55fa21cc449e70b_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-06_5c6619d6384d48fcc55fa21cc449e70b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-06_5c6619d6384d48fcc55fa21cc449e70b_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3940
- 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:1332

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
89KB

MD5
9d091baa390a2ff556adc2ed7418117a

SHA1
b5f6107ca09fe501aeaa37f3c423791c4fd71f9d

SHA256
50e1ef8ed86e769eb60fb6033b268bdfb13ddb296749f18e49ae1ee2f40bc1ba

SHA512
89c55620e6e5ca0ecb6167c12faf01980856c1ca5d2a5f761bcbc5228293972a93db8cc69a60def08991d8c23064308f46e13041e0ae7c9dc342f3f80561f0b8

Download Submit
memory/1332-17-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/1332-18-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/3940-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3940-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3940-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download