3d231474c4a82bcf1f63146efa9b6964907bf4a167ff088f44e9784f9ead0d1a

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2024 02:29

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General

Target

2024-10-03_565561359777ab107ddfeb78dbbc79e8_cryptolocker.exe
Size

48KB
MD5

565561359777ab107ddfeb78dbbc79e8
SHA1

fb022a19f857d56db1a598177393f0a732aa9ff4
SHA256

3d231474c4a82bcf1f63146efa9b6964907bf4a167ff088f44e9784f9ead0d1a
SHA512

beaff36cbf832d73f67a6ee53a1583a56d99e5bba50e6a5d074abb4bbd4cede38e888779bfe5ffe5de370acf5de4772cace5a9d48dbdf5a2162ebab91c9a1aa9
SSDEEP

768:79inqyNR/QtOOtEvwDpjBKccJVODvy3Z5/:79mqyNhQMOtEvwDpjBzckqX/

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	2024-10-03_565561359777ab107ddfeb78dbbc79e8_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
976	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	2024-10-03_565561359777ab107ddfeb78dbbc79e8_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 2120 wrote to memory of 976	2120	2024-10-03_565561359777ab107ddfeb78dbbc79e8_cryptolocker.exe	82
PID 2120 wrote to memory of 976	2120	2024-10-03_565561359777ab107ddfeb78dbbc79e8_cryptolocker.exe	82
PID 2120 wrote to memory of 976	2120	2024-10-03_565561359777ab107ddfeb78dbbc79e8_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-03_565561359777ab107ddfeb78dbbc79e8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-03_565561359777ab107ddfeb78dbbc79e8_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2120
- 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:976

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
ae5db4c2ed0c53bfdd2835b5fcfb5ab3

SHA1
ba6ce8d9861b94f6e822b22ea7823d857cf477f0

SHA256
2fd8759d215b1aae678a6e6d541f51f8e0b142ed30a3b2ef99187c56f042c7b3

SHA512
060963e3b199a3ef16fda96c5b3e938e12fb6db8b40070c8bb5d8c7de006f5febbed99392d5327f732148c00b52063b332e59fd7f51680d0402f51c858af2c6a

Download Submit
memory/976-20-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/976-19-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/976-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2120-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2120-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/2120-2-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/2120-3-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/2120-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download