62fcf2c46f8fb6dfc304e530316396dda157ef8ee9443b59fff319589ff943df

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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
behavioral1/files/0x000f000000012248-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2920	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2452	2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 2920	2452	2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe	28
PID 2452 wrote to memory of 2920	2452	2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe	28
PID 2452 wrote to memory of 2920	2452	2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe	28
PID 2452 wrote to memory of 2920	2452	2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe	28

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⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
34KB

MD5
c6e38721cdf5ca03bcbaca82d7f75cf1

SHA1
e96e92766e3d6af5e160db7f435ff734ec37d89f

SHA256
c719cfefa4452a2a7ea2e9fd87992ea4336800c5b87fd6ef9c08e2809a715f51

SHA512
a036ad27c01871705be6459735375d3947636f10e4b3e5746207ea8f50f454cda4854e7f9d0a9871dcb4940cb6f34ece527904fd17011cd42bfa73500de83ffc

Download Submit
memory/2452-0-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2452-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2452-8-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download