d2ea633ff2c53d49406fb9741715ee80b83ba043ac62bdf0047f44a31b4b6911

Analysis

max time kernel
146s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2023, 20:41

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General

Target

2023-08-25_ecc2662666d58f349a067e4cea7f45a0_cryptolocker_JC.exe
Size

53KB
MD5

ecc2662666d58f349a067e4cea7f45a0
SHA1

bffa4bd3724ee49b54bb6885ff35f01248d1cad7
SHA256

d2ea633ff2c53d49406fb9741715ee80b83ba043ac62bdf0047f44a31b4b6911
SHA512

b0a9c10d14c35ed47f0006e82b64d53ecfed68b2b6676f3f35976ab938fc19d0e3a1e31f6eed771463b13dd96c9a7216b5978227e0ca3b7458193e460945e899
SSDEEP

1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61E:BbdDmjr+OtEvwDpjMu

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-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation	2023-08-25_ecc2662666d58f349a067e4cea7f45a0_cryptolocker_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
2308	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 4576 wrote to memory of 2308	4576	2023-08-25_ecc2662666d58f349a067e4cea7f45a0_cryptolocker_JC.exe	87
PID 4576 wrote to memory of 2308	4576	2023-08-25_ecc2662666d58f349a067e4cea7f45a0_cryptolocker_JC.exe	87
PID 4576 wrote to memory of 2308	4576	2023-08-25_ecc2662666d58f349a067e4cea7f45a0_cryptolocker_JC.exe	87

C:\Users\Admin\AppData\Local\Temp\2023-08-25_ecc2662666d58f349a067e4cea7f45a0_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-25_ecc2662666d58f349a067e4cea7f45a0_cryptolocker_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4576
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2308

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
53KB

MD5
af40b74be106c3a54f0f9c9d39443655

SHA1
20f7fc7f0691baa3930c3d3ded1d0a03bf28efcc

SHA256
fc483671c107f90d2498ae44c2693c43b5c8aedbfaf26b25ddd0e5fc8cb8ca1d

SHA512
0cf5d1a467afd8ae9ae643b1cac187152d1823a1c70609d91e48542ddf4e58bc75ce753ae2b2ccfeba1e05ffb4750812a9702867527eace85b979ce6832fd260

Download Submit
C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
53KB

MD5
af40b74be106c3a54f0f9c9d39443655

SHA1
20f7fc7f0691baa3930c3d3ded1d0a03bf28efcc

SHA256
fc483671c107f90d2498ae44c2693c43b5c8aedbfaf26b25ddd0e5fc8cb8ca1d

SHA512
0cf5d1a467afd8ae9ae643b1cac187152d1823a1c70609d91e48542ddf4e58bc75ce753ae2b2ccfeba1e05ffb4750812a9702867527eace85b979ce6832fd260

Download Submit
C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
53KB

MD5
af40b74be106c3a54f0f9c9d39443655

SHA1
20f7fc7f0691baa3930c3d3ded1d0a03bf28efcc

SHA256
fc483671c107f90d2498ae44c2693c43b5c8aedbfaf26b25ddd0e5fc8cb8ca1d

SHA512
0cf5d1a467afd8ae9ae643b1cac187152d1823a1c70609d91e48542ddf4e58bc75ce753ae2b2ccfeba1e05ffb4750812a9702867527eace85b979ce6832fd260

Download Submit
memory/2308-20-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/2308-19-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/2308-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4576-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4576-1-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4576-2-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4576-3-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/4576-18-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download