2458fc1f648d0823d114b1ea8b5143114c8ddf386c1cd181c567d1869c62fad4

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
03/08/2024, 07:35

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General

Target

2024-08-03_34a5d137286d52ac5763b0aac00a6059_cryptolocker.exe
Size

48KB
MD5

34a5d137286d52ac5763b0aac00a6059
SHA1

11caf1b5fd1a27ef7783f4db7a48f1dcc523b798
SHA256

2458fc1f648d0823d114b1ea8b5143114c8ddf386c1cd181c567d1869c62fad4
SHA512

f28201e8f4466c082ff4883249b618958a592933d2a4b0cc0dbf9307f7b3666ed683f0945302e0b03a0a0a9bb5cba3de9e6c9606af81fc584f99a8f81c1f5fea
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPlFZ:P6QFElP6k+MRQMOtEvwDpjBQpVX8z

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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	2024-08-03_34a5d137286d52ac5763b0aac00a6059_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
996	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	2024-08-03_34a5d137286d52ac5763b0aac00a6059_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 4496 wrote to memory of 996	4496	2024-08-03_34a5d137286d52ac5763b0aac00a6059_cryptolocker.exe	84
PID 4496 wrote to memory of 996	4496	2024-08-03_34a5d137286d52ac5763b0aac00a6059_cryptolocker.exe	84
PID 4496 wrote to memory of 996	4496	2024-08-03_34a5d137286d52ac5763b0aac00a6059_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-08-03_34a5d137286d52ac5763b0aac00a6059_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-03_34a5d137286d52ac5763b0aac00a6059_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4496
- 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:996

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
48KB

MD5
1a1cba1836fae94b221dfe043d5d36d9

SHA1
0d56608a8601b67c958e40a1cb480870720b6a14

SHA256
1571878f281286f4536ee4285b821fe06e51a8e3f03042596c2963d8a3f3ce6f

SHA512
8515a2a67f64c0fdf4be362fe12a0d731ba8efd53e867a0ff290d37e1846035f2cb847997fcceeb96c7489d1586d27f6b73270a610281edb6949f2846b70a1af

Download Submit
memory/996-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/996-20-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/996-26-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/996-27-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4496-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4496-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/4496-2-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/4496-3-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/4496-18-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download