c2531f503204d91e47f6e84884eb8098035e58d8cec97c27527bf7813e9b2ca5

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
09-09-2024 03:42

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General

Target

2024-09-09_d150242b1cc33e3f0f91c647efcc1896_cryptolocker.exe
Size

77KB
MD5

d150242b1cc33e3f0f91c647efcc1896
SHA1

49a234290d6c3676bbda6da1e99cce8590ac18aa
SHA256

c2531f503204d91e47f6e84884eb8098035e58d8cec97c27527bf7813e9b2ca5
SHA512

01409e7d1760c7e68bf773c857ab2c75f5e405fd0fce3fa3a87afe141264319a25c4956df3cc99a4dde754827ffd3700a02167acaf56f1b16e1b05d59390b734
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1sil:X6a+SOtEvwDpjBZYvQd2v

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	2024-09-09_d150242b1cc33e3f0f91c647efcc1896_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4248	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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-09_d150242b1cc33e3f0f91c647efcc1896_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 232 wrote to memory of 4248	232	2024-09-09_d150242b1cc33e3f0f91c647efcc1896_cryptolocker.exe	84
PID 232 wrote to memory of 4248	232	2024-09-09_d150242b1cc33e3f0f91c647efcc1896_cryptolocker.exe	84
PID 232 wrote to memory of 4248	232	2024-09-09_d150242b1cc33e3f0f91c647efcc1896_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-09_d150242b1cc33e3f0f91c647efcc1896_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-09_d150242b1cc33e3f0f91c647efcc1896_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:232
- 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:4248

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
77KB

MD5
47e6f405ab7acf0525764540fd9f1aa6

SHA1
ad1d7b0a06764c4fc604d514c43aa1c351ba3793

SHA256
ad7b0af2fa4089e1e847e963207f9a550accdf7facacf5dbc2238f4c978fb131

SHA512
d887628e514a9b043ae53f759ed1df2ad9ac2b8a7bd599779e2a2cc99ee3f9c7889485b5d106242467aac5154374f130cdbc0c35f08d6870f3e43eb3f02c73b4

Download Submit
memory/232-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/232-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/232-3-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/4248-18-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/4248-17-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download