f7491714e280f90435afcab611353c3d2c2e2f51ca0604016a0a7499cd7b06f6

Analysis

max time kernel
150s
max time network
146s
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, 02:32

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General

Target

2024-10-06_45da7725632ee5622aad37f9ddd07277_cryptolocker.exe
Size

34KB
MD5

45da7725632ee5622aad37f9ddd07277
SHA1

1ddd0992959d26570a085707f9bbbffad21ec105
SHA256

f7491714e280f90435afcab611353c3d2c2e2f51ca0604016a0a7499cd7b06f6
SHA512

66c28189cd57e8a5bbc25a67fce0e537756a20f99aa561f7b68f24b59c25dc4a4c32eb01d51d2b39922f95d1142fc2ca5ff970ed6cb8d718ab76bca7bea38625
SSDEEP

384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGOFe:bG74zYcgT/Ekd0ryfjW

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	2024-10-06_45da7725632ee5622aad37f9ddd07277_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1472	hasfj.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	2024-10-06_45da7725632ee5622aad37f9ddd07277_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hasfj.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5084 wrote to memory of 1472	5084	2024-10-06_45da7725632ee5622aad37f9ddd07277_cryptolocker.exe	82
PID 5084 wrote to memory of 1472	5084	2024-10-06_45da7725632ee5622aad37f9ddd07277_cryptolocker.exe	82
PID 5084 wrote to memory of 1472	5084	2024-10-06_45da7725632ee5622aad37f9ddd07277_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-06_45da7725632ee5622aad37f9ddd07277_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-06_45da7725632ee5622aad37f9ddd07277_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5084
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1472

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\hasfj.exe

Filesize
34KB

MD5
21c2c6979ec17cd7bf89b1ef2648041c

SHA1
5bc55de208e1055e11267622204ac0a94e4f71b7

SHA256
6ff55ba2f7778fca55056980928158e9020ad0d6e4789a4a856e7035f98e95d5

SHA512
517379a37677df9db56e398e981bed83aeb370f7bbc5e9c420377245f87007e1784a4ebdfc1d9b78c4700834707cfdec76e8d51c2bb72af1d9bef1a8404aa259

Download Submit
memory/1472-25-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/5084-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/5084-1-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/5084-2-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/5084-3-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/5084-17-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download