62fcf2c46f8fb6dfc304e530316396dda157ef8ee9443b59fff319589ff943df

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
22/04/2024, 02:37

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General

Target

2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe
Size

34KB
MD5

e6a334bbb0b491618ff6765f2991108d
SHA1

138c2334b992f11eb47ab6335c512e5833dc6773
SHA256

62fcf2c46f8fb6dfc304e530316396dda157ef8ee9443b59fff319589ff943df
SHA512

626a799c6091e6032e568f24d863f9b6d5d81ef8aa1fc4e71fc60e6b69b400d72d3341edcc4771ee08d688dd03bfd910d544a8c6f080716d3de1002f064dc2fd
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunIVpeNs23mAA6lxd:bA74zYcgT/Ekd0ryfjPIunqpeNswm6d

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x001c00000001e97e-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-1-5-21-259785868-298165991-4178590326-1000\Control Panel\International\Geo\Nation	2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3652	hasfj.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 4620 wrote to memory of 3652	4620	2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe	88
PID 4620 wrote to memory of 3652	4620	2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe	88
PID 4620 wrote to memory of 3652	4620	2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4620
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:3652

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\hasfj.exe

Filesize
34KB

MD5
c6e38721cdf5ca03bcbaca82d7f75cf1

SHA1
e96e92766e3d6af5e160db7f435ff734ec37d89f

SHA256
c719cfefa4452a2a7ea2e9fd87992ea4336800c5b87fd6ef9c08e2809a715f51

SHA512
a036ad27c01871705be6459735375d3947636f10e4b3e5746207ea8f50f454cda4854e7f9d0a9871dcb4940cb6f34ece527904fd17011cd42bfa73500de83ffc

Download Submit
memory/3652-17-0x0000000003000000-0x0000000003006000-memory.dmp

Filesize
24KB

Download
memory/3652-23-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/4620-0-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/4620-1-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/4620-2-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download