5935b3dfca115502d40c54cf412cf27dcd1b77df2e6cb5039666b6cdab1ff780

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12-01-2024 06:08

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General

Target

2024-01-11_fa29070621b1f433db0dd418d965384c_cryptolocker.exe
Size

44KB
MD5

fa29070621b1f433db0dd418d965384c
SHA1

663b8af6a11a3d9782406b98876b8f6f101aaf3c
SHA256

5935b3dfca115502d40c54cf412cf27dcd1b77df2e6cb5039666b6cdab1ff780
SHA512

0a5c1f80c1c3373289177a2c40197a197e7b5277f729678835b349dfcef64cfee3d5f72e1cf2bfee92c433c86c760ffb14fb06b3b65806d83d839e7954996cc8
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu556NPG:X6QFElP6n+gJQMOtEvwDpjB0GIWMPG

Score

7^/10

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-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation	2024-01-11_fa29070621b1f433db0dd418d965384c_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
544	asih.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1172 wrote to memory of 544	1172	2024-01-11_fa29070621b1f433db0dd418d965384c_cryptolocker.exe	20
PID 1172 wrote to memory of 544	1172	2024-01-11_fa29070621b1f433db0dd418d965384c_cryptolocker.exe	20
PID 1172 wrote to memory of 544	1172	2024-01-11_fa29070621b1f433db0dd418d965384c_cryptolocker.exe	20

C:\Users\Admin\AppData\Local\Temp\2024-01-11_fa29070621b1f433db0dd418d965384c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-11_fa29070621b1f433db0dd418d965384c_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1172
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:544

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

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
34a5e4c3d2bca02747e5b878ffaf5571

SHA1
f60b7079b254953196bb3c8a9c4b5b3f3fbb28f7

SHA256
1f2b5197703dbfc828a7d20777d4eed5b35f0d4d61db4287e3bb1fd85b11cf4b

SHA512
43900e336dc4278a737f74ef3aa8a2d8779ae68df08575c9abda6199e022698b6caa2c0ae13bbefdbf19e7578827733528ecf1387fc99696690ad382031ea77e

Download Submit
memory/544-23-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/544-17-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/1172-1-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/1172-2-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/1172-0-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download