6d196f2efd9a0724455ef27dcb4fe050eefb03f6d0a56279b4e23c09daeadfea

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
19/09/2024, 05:27

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General

Target

2024-09-19_3a3ad81d613c4780fc0438f7312ad555_cryptolocker.exe
Size

62KB
MD5

3a3ad81d613c4780fc0438f7312ad555
SHA1

19229962cd1b57df762f7d29736c8eca378032d8
SHA256

6d196f2efd9a0724455ef27dcb4fe050eefb03f6d0a56279b4e23c09daeadfea
SHA512

635fb4d6ba678a54656c16a2ff07c2863bf109e0c8a815dc2142261a887d3fca935eff8c911bf5a1b4d5560ba2fe006ca1b10d094fc390d611a35c461dfdf55e
SSDEEP

1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgg:DW60sllyWOtEvwDpjwF8J

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	2024-09-19_3a3ad81d613c4780fc0438f7312ad555_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1652	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	2024-09-19_3a3ad81d613c4780fc0438f7312ad555_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 2256 wrote to memory of 1652	2256	2024-09-19_3a3ad81d613c4780fc0438f7312ad555_cryptolocker.exe	82
PID 2256 wrote to memory of 1652	2256	2024-09-19_3a3ad81d613c4780fc0438f7312ad555_cryptolocker.exe	82
PID 2256 wrote to memory of 1652	2256	2024-09-19_3a3ad81d613c4780fc0438f7312ad555_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-19_3a3ad81d613c4780fc0438f7312ad555_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_3a3ad81d613c4780fc0438f7312ad555_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2256
- 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:1652

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
62KB

MD5
a37c9b55b678287e47909d581af2bec9

SHA1
e14305a13f54ed46d18444e2c7feed0cb2af9fc4

SHA256
5e6845955bfe8dac5afd424834dbe1ea537a81f04d2a05847ac2f42863786f0c

SHA512
3415f0c251d464b657cb516b8c56b97a7d2f377946bc348c29d0f0370ac9e00743e7aabfa77877f209ea3f05f27e52a1a13fa590a0dca284aec5c131fbe827d1

Download Submit
memory/1652-25-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1652-19-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/1652-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2256-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2256-1-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/2256-2-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/2256-3-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/2256-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download