9cec74fb6146e7f01706bb4924ed0db5d2afce97b4047b86ca0075a6a9527c03

Analysis

max time kernel
150s
max time network
145s
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, 04:34

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General

Target

2024-10-06_5ba90e123af640236cce0457c9b040b4_cryptolocker.exe
Size

44KB
MD5

5ba90e123af640236cce0457c9b040b4
SHA1

1ecb694ab84a69a98f25026a6199daf8b1138b39
SHA256

9cec74fb6146e7f01706bb4924ed0db5d2afce97b4047b86ca0075a6a9527c03
SHA512

6973be5d6963feea02980a5a8a8e8446c3780328c342f96689976b1c05d620161612346eac255402e53ec7a1431f7f709000c15568aa01a5c1d565025baa3130
SSDEEP

768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAqjrh:bCDOw9aMDooc+vAqj9

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	2024-10-06_5ba90e123af640236cce0457c9b040b4_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4200	lossy.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_5ba90e123af640236cce0457c9b040b4_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lossy.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3492 wrote to memory of 4200	3492	2024-10-06_5ba90e123af640236cce0457c9b040b4_cryptolocker.exe	82
PID 3492 wrote to memory of 4200	3492	2024-10-06_5ba90e123af640236cce0457c9b040b4_cryptolocker.exe	82
PID 3492 wrote to memory of 4200	3492	2024-10-06_5ba90e123af640236cce0457c9b040b4_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-06_5ba90e123af640236cce0457c9b040b4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-06_5ba90e123af640236cce0457c9b040b4_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3492
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4200

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\lossy.exe

Filesize
45KB

MD5
12c541e1f8b4b963bfee382d6d66dfe7

SHA1
c8f43869a69f54fa5bf5f51a2a4ca35d11b37837

SHA256
e27d6a95f841ced7a0caaa2151cf1df079b5ab3f05706949ca820be2ebf83bf0

SHA512
4dbf851bd97aecae6420166e6ea44f914cdb7007bb77789b701cf75da47f338364285de0575f6e4963cfdbf06540506099bf06b3015a8af353f3b7e8fafc9451

Download Submit
memory/3492-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/3492-1-0x0000000002270000-0x0000000002276000-memory.dmp

Filesize
24KB

Download
memory/3492-2-0x0000000002270000-0x0000000002276000-memory.dmp

Filesize
24KB

Download
memory/3492-3-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/3492-17-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/4200-19-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/4200-20-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/4200-26-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download