ea841296bea6fd7957809708c10ea0011e9c0ef39bc68a5070794abe7c737477

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
09/05/2024, 18:06

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-05-09_63b6f8e79f5f4250c7569e4b98eb83f0_cryptolocker.exe
Size

31KB
MD5

63b6f8e79f5f4250c7569e4b98eb83f0
SHA1

4a3ec6862ee4d2c29be033e78ace8ef6ecde6c67
SHA256

ea841296bea6fd7957809708c10ea0011e9c0ef39bc68a5070794abe7c737477
SHA512

22c9034f809c7d879775c6af511f4f40ed52e5151dd01ab25b5c91e96c87a1aa5df8305a500239a6478bc0eb22a6fbf7dab223a0483c790f2599cd37e934d556
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cJ3v7dgiU:bAvJCYOOvbRPDEgXRcJo

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0006000000022fa8-12.dat	CryptoLocker_rule2

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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	2024-05-09_63b6f8e79f5f4250c7569e4b98eb83f0_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2208	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 116 wrote to memory of 2208	116	2024-05-09_63b6f8e79f5f4250c7569e4b98eb83f0_cryptolocker.exe	82
PID 116 wrote to memory of 2208	116	2024-05-09_63b6f8e79f5f4250c7569e4b98eb83f0_cryptolocker.exe	82
PID 116 wrote to memory of 2208	116	2024-05-09_63b6f8e79f5f4250c7569e4b98eb83f0_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-05-09_63b6f8e79f5f4250c7569e4b98eb83f0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-09_63b6f8e79f5f4250c7569e4b98eb83f0_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:116
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Executes dropped EXE
  PID:2208

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

Loading Replay Monitor...

Downloads

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

Filesize
31KB

MD5
907f82492a00a112bbd034b1d36638cd

SHA1
a5b001c80b0db2f791f89fd83c15c8cf5cd7bf98

SHA256
5b61e0a278fc341425a8269c03bc111af4204c621cb6b5f6f943514b28def821

SHA512
bfd8790629c817c394a9a3be31d162a68a9243eb43bbe46e011a44e1757aa3c4f576fd49f007bf984d04689494bfb6cfdb86d7c9d618f09ed6ce36716a6455a9

Download Submit
memory/116-0-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/116-1-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/116-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download