6cc35b020a3389217b33100b41b03c1bba956824b4cf26ba4e505c739cc89d32

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2024 08:25

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General

Target

2024-10-31_5d1028c61787328db16c8f7ad3ca38b4_cryptolocker.exe
Size

45KB
MD5

5d1028c61787328db16c8f7ad3ca38b4
SHA1

cc12066a150c0ebb1fecacf4e9c8946b4ed551b9
SHA256

6cc35b020a3389217b33100b41b03c1bba956824b4cf26ba4e505c739cc89d32
SHA512

f725ac1e76d0778224547c3c27fcf53cec1583d5a9a9984fc1d53decf2e608b3ceae29e798ce467274b362b773e693a81bede4538e40cf8aab09741a9935cd07
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPP:P6QFElP6k+MRQMOtEvwDpjBQpVXi

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

Processes:

2024-10-31_5d1028c61787328db16c8f7ad3ca38b4_cryptolocker.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	2024-10-31_5d1028c61787328db16c8f7ad3ca38b4_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid	Process
628	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

Processes:

2024-10-31_5d1028c61787328db16c8f7ad3ca38b4_cryptolocker.exeasih.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-31_5d1028c61787328db16c8f7ad3ca38b4_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-10-31_5d1028c61787328db16c8f7ad3ca38b4_cryptolocker.exe

description	pid	Process	procid_target
PID 4148 wrote to memory of 628	4148	2024-10-31_5d1028c61787328db16c8f7ad3ca38b4_cryptolocker.exe	84
PID 4148 wrote to memory of 628	4148	2024-10-31_5d1028c61787328db16c8f7ad3ca38b4_cryptolocker.exe	84
PID 4148 wrote to memory of 628	4148	2024-10-31_5d1028c61787328db16c8f7ad3ca38b4_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-10-31_5d1028c61787328db16c8f7ad3ca38b4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-31_5d1028c61787328db16c8f7ad3ca38b4_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4148
- 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:628

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\asih.exe

Filesize
46KB

MD5
cae2c26fd73d29c0f09edf52ff004042

SHA1
c8e5335fcc076973469a61bcf32433a7e18e8119

SHA256
e503a9eff8b4e97edc849bedd142b865e14cb766b1eb22f454a5486e3e7bb38a

SHA512
b17b6a0fb281f7040bbb6340be1870031091be754993b8517c7d5edce0dcbf0eeaf0f061cfb180d868ced0a073d2e508d7ae7c3bd2f425ebff2670a042e5f97b

Download Submit
memory/628-25-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4148-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4148-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/4148-2-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/4148-3-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/4148-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download