4f8d776f49e23c99432e739e77d25d468eb86041405a7130653794c813e420ec

Analysis

max time kernel
149s
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
01-10-2024 07:31

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General

Target

2024-10-01_d32c99a7a5cb90d841c6e2c36ba9efa2_cryptolocker.exe
Size

45KB
MD5

d32c99a7a5cb90d841c6e2c36ba9efa2
SHA1

fc8ba741b8263d2f72d4a3809116f5c56f2b139e
SHA256

4f8d776f49e23c99432e739e77d25d468eb86041405a7130653794c813e420ec
SHA512

518e7be5771f7bff6798ef54c20e2fd7bb149f074ea3ec39221478251b57163ef533efc63afe5ffa297da0195288e0fe9cc830b5a91f26cc0329efbe724db05c
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HK/wSvuQTCyD/95WQa:X6QFElP6n+gJQMOtEvwDpjBsYK/fbDFI

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	2024-10-01_d32c99a7a5cb90d841c6e2c36ba9efa2_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2396	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	2024-10-01_d32c99a7a5cb90d841c6e2c36ba9efa2_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 4072 wrote to memory of 2396	4072	2024-10-01_d32c99a7a5cb90d841c6e2c36ba9efa2_cryptolocker.exe	82
PID 4072 wrote to memory of 2396	4072	2024-10-01_d32c99a7a5cb90d841c6e2c36ba9efa2_cryptolocker.exe	82
PID 4072 wrote to memory of 2396	4072	2024-10-01_d32c99a7a5cb90d841c6e2c36ba9efa2_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-01_d32c99a7a5cb90d841c6e2c36ba9efa2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-01_d32c99a7a5cb90d841c6e2c36ba9efa2_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4072
- 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:2396

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
45KB

MD5
a3f3d01fd773ef0f0e787306e88db3e8

SHA1
05de5351b5e6008a4602df0fcfb0b1f66630e3e5

SHA256
5c12e7fd99760d784fe39fb645ab3b5500eb2ebb1b4a2194a16045c41a1aee42

SHA512
d6393b612ba443c5e2709398a2abcf0d967613a3bd0f8d52edcdf1bc2491ee5ce0372c526cf8e4741fdd1ac321136f414920b5f22827c943b8e28fb7ff0962bb

Download Submit
memory/2396-17-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/2396-23-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/4072-0-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/4072-1-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/4072-2-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download