4ff44ccfddc7c9d2fb8cfc52becd3cf1377f859ebb9fd868dcafffdfd2e0dc1e

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2024, 13:30

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General

Target

2024-01-24_c296c29fb7c63f1b9c13ade1aa6087fe_cryptolocker.exe
Size

32KB
MD5

c296c29fb7c63f1b9c13ade1aa6087fe
SHA1

ce6132dd4b5bcf91a1f36d046e50732e9e4eb741
SHA256

4ff44ccfddc7c9d2fb8cfc52becd3cf1377f859ebb9fd868dcafffdfd2e0dc1e
SHA512

c35cc4e72e1a63fbeb7a45635cfad3a912d41e5ddbd018ff28126181bc35b00931dd204d6193c9679d20d5ad9eb43ecbad2de0e3bf62a83a03387a40bb858f2f
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6ckJp0qAMub5X:bAvJCYOOvbRPDEgXRc+BA/b5

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000002323b-12.dat	CryptoLocker_rule2

Checks computer location settings 2 TTPs 2 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-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation	2024-01-24_c296c29fb7c63f1b9c13ade1aa6087fe_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation	demka.exe

Executes dropped EXE 1 IoCs

pid	Process
3064	demka.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 972 wrote to memory of 3064	972	2024-01-24_c296c29fb7c63f1b9c13ade1aa6087fe_cryptolocker.exe	87
PID 972 wrote to memory of 3064	972	2024-01-24_c296c29fb7c63f1b9c13ade1aa6087fe_cryptolocker.exe	87
PID 972 wrote to memory of 3064	972	2024-01-24_c296c29fb7c63f1b9c13ade1aa6087fe_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-01-24_c296c29fb7c63f1b9c13ade1aa6087fe_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-24_c296c29fb7c63f1b9c13ade1aa6087fe_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:972
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:3064

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\demka.exe

Filesize
32KB

MD5
b3f64ccfeebb9f275e5929e84f3fa580

SHA1
110f787426ea1b78124bd1c69eebd54972a8ed1e

SHA256
1a1d7c661faf0fd0716c2bc4b90129a24cb4ad9019a366146152b34a66bbfe6f

SHA512
2c936e30de42b091a96d84ed0db27486d9f5ee216d0c2576e86348424af2ce8ef01a4a195d5252d5f9fe30361b92bbc6d718d52dcbcce1ed903607062eb40423

Download Submit
memory/972-0-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/972-1-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/972-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3064-20-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download