5be9f38b03c8c46800381a0e72136162b80844ed720d3121bcf8507fba0a18dd

Analysis

max time kernel
145s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19/04/2024, 04:39

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General

Target

2024-04-19_ee90a2cbde87d6bd9340436de252775a_cryptolocker.exe
Size

34KB
MD5

ee90a2cbde87d6bd9340436de252775a
SHA1

fde40106ea128d0f7c7e7a50b71346a0ab368d48
SHA256

5be9f38b03c8c46800381a0e72136162b80844ed720d3121bcf8507fba0a18dd
SHA512

88f4c5ebb058d423b801998bf102401257edd1353a12b64d091957ac7868e3510620ae6862194879f8647b6a53e64642bd4049737680063d846e9fcfbb0d63f4
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6ckJp0qAgmEzXKxA+uspNk:bAvJCYOOvbRPDEgXRc+BAILYk

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023264-12.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-1-5-21-1826666146-2574340311-1877551059-1000\Control Panel\International\Geo\Nation	2024-04-19_ee90a2cbde87d6bd9340436de252775a_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Control Panel\International\Geo\Nation	demka.exe

Executes dropped EXE 1 IoCs

pid	Process
4328	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 732 wrote to memory of 4328	732	2024-04-19_ee90a2cbde87d6bd9340436de252775a_cryptolocker.exe	84
PID 732 wrote to memory of 4328	732	2024-04-19_ee90a2cbde87d6bd9340436de252775a_cryptolocker.exe	84
PID 732 wrote to memory of 4328	732	2024-04-19_ee90a2cbde87d6bd9340436de252775a_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-04-19_ee90a2cbde87d6bd9340436de252775a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-19_ee90a2cbde87d6bd9340436de252775a_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:732
- 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:4328

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\demka.exe

Filesize
35KB

MD5
f8080f21deb94295046c6c30f1a17752

SHA1
379e69a5f64972bd269f8d6f6dd24325bcae0016

SHA256
84d8ace503e25fdd9dca1a2dfcd289767d6ef49dc4794005d1dbe48a91232528

SHA512
558d4a0d12f9fda3baa650f86fa9922f7d10744d38e96453286b631ee56faa1e0c6e059ae08125466fa4f0106dfbad87b72bdcb8a84d76b477fcd0c8e92fc719

Download Submit
memory/732-0-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/732-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/732-1-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/4328-20-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download