ea0d32b707e66877554936ba950058ac2549a3fe905faf798c1ca2dd127583db

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 03:00

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General

Target

2024-09-08_951480c5505ddd1480ff29fea71505df_cryptolocker.exe
Size

54KB
MD5

951480c5505ddd1480ff29fea71505df
SHA1

64113120230b0baf69f41a289dd8cbbf897599b5
SHA256

ea0d32b707e66877554936ba950058ac2549a3fe905faf798c1ca2dd127583db
SHA512

6d1c55f3ae49d1177021246545dc4c287f4b95eb8395aef0a84c5098a7bebd99c8bfbca07b786b8451aa2bd0ed5df14cad6517b90a218fdbb6577f6e8e1ca366
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaTIC:X6QFElP6n+gJBMOtEvwDpjBtExmll

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	2024-09-08_951480c5505ddd1480ff29fea71505df_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4092	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	2024-09-08_951480c5505ddd1480ff29fea71505df_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 1316 wrote to memory of 4092	1316	2024-09-08_951480c5505ddd1480ff29fea71505df_cryptolocker.exe	85
PID 1316 wrote to memory of 4092	1316	2024-09-08_951480c5505ddd1480ff29fea71505df_cryptolocker.exe	85
PID 1316 wrote to memory of 4092	1316	2024-09-08_951480c5505ddd1480ff29fea71505df_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-09-08_951480c5505ddd1480ff29fea71505df_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-08_951480c5505ddd1480ff29fea71505df_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1316
- 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:4092

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
55KB

MD5
d6f058e174ae3a93e6083af8644f142e

SHA1
ff1063f6b984e1d0ec35cca4f54fc638eb69d512

SHA256
daaed459f2b88dab71a74b9b1354cb27e1ec66808c143f6cb531cbfae1b2377b

SHA512
0a143951a0e7b318f297f2418145b7ab5d9f1c9f8718e20949bb4922e6a1e9d5f146b423b3291c63b8ee181b25a39cc5776adb3ae74bab9e380aa10ede4dd866

Download Submit
memory/1316-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1316-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1316-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4092-17-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/4092-23-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download