644c12e2c665e86a9a1c71495ebacd1a4a53fcc4c986cecebb4fca02ea7e3608

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2024, 02:41

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General

Target

2024-10-13_b22c22cf70c1822cdd86f28200da7ab5_cryptolocker.exe
Size

55KB
MD5

b22c22cf70c1822cdd86f28200da7ab5
SHA1

cc868d44adcebc013cd98923cb7fb8fc85068e6b
SHA256

644c12e2c665e86a9a1c71495ebacd1a4a53fcc4c986cecebb4fca02ea7e3608
SHA512

c4281ead55bd6fa40b06b86001d69f325013b5c2db4b71b59829ce28e1ff5494110e1b1f40bb134f5f9231a57ad96606e6dc5a3ee394dc29af05a60e410055cf
SSDEEP

768:79inqyNR/QtOOtEvwDpjBK/rJ+Nw8qn8pKIRszDr6KAtR:79mqyNhQMOtEvwDpjBxe8TpXRSDeK8

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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	2024-10-13_b22c22cf70c1822cdd86f28200da7ab5_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2252	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	2024-10-13_b22c22cf70c1822cdd86f28200da7ab5_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 4840 wrote to memory of 2252	4840	2024-10-13_b22c22cf70c1822cdd86f28200da7ab5_cryptolocker.exe	85
PID 4840 wrote to memory of 2252	4840	2024-10-13_b22c22cf70c1822cdd86f28200da7ab5_cryptolocker.exe	85
PID 4840 wrote to memory of 2252	4840	2024-10-13_b22c22cf70c1822cdd86f28200da7ab5_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-13_b22c22cf70c1822cdd86f28200da7ab5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_b22c22cf70c1822cdd86f28200da7ab5_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4840
- 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:2252

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
55KB

MD5
1bc75199351a89948aca05d90e1443f6

SHA1
6a5fc16a305899041ee2b4466f765fbb1bd6f437

SHA256
25dfc1cd32724558fcd64210179880b383c0cbe9ed92ed1a249938235748fe14

SHA512
73271dbb2b4f9d6a5971cd806870cf9719d0f81838288f01eabdfa1a92702c3b9bc170a0f568d96dc580f397dc39b7181d1e17438567d7fe24a7f34770a749a3

Download Submit
memory/2252-19-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/2252-25-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/2252-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4840-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4840-1-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/4840-2-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/4840-3-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/4840-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download