956ef5a5697f03c577a1dfd2e2ddcfd0cbd01dc7b9b136cab567a686a655ce13

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/03/2024, 00:28

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General

Target

2024-03-09_2780fa1991fe495c7a7de6a8304076ac_cryptolocker.exe
Size

36KB
MD5

2780fa1991fe495c7a7de6a8304076ac
SHA1

41073d70c83671bea6ae96eba54d647682617c8b
SHA256

956ef5a5697f03c577a1dfd2e2ddcfd0cbd01dc7b9b136cab567a686a655ce13
SHA512

5c52d3e8f0efcd74bcd413953a69364d8d04f14b8c402ce8aab08a34f8339f67e57ec87e5bc75b3eb7784f2d91c3592d08cb02e80e8ba9e13900e48b9e3794e7
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunIVpeNs23mAA6lqTIU:bA74zYcgT/Ekd0ryfjPIunqpeNswmxT5

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012251-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2136	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2224	2024-03-09_2780fa1991fe495c7a7de6a8304076ac_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 2224 wrote to memory of 2136	2224	2024-03-09_2780fa1991fe495c7a7de6a8304076ac_cryptolocker.exe	28
PID 2224 wrote to memory of 2136	2224	2024-03-09_2780fa1991fe495c7a7de6a8304076ac_cryptolocker.exe	28
PID 2224 wrote to memory of 2136	2224	2024-03-09_2780fa1991fe495c7a7de6a8304076ac_cryptolocker.exe	28
PID 2224 wrote to memory of 2136	2224	2024-03-09_2780fa1991fe495c7a7de6a8304076ac_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-09_2780fa1991fe495c7a7de6a8304076ac_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-09_2780fa1991fe495c7a7de6a8304076ac_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2136

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
37KB

MD5
f37eb92bac615729091cac64a43b2778

SHA1
f840ecfadee0afebc3793a2d2e4d3e51adfaa59e

SHA256
1a7c0215de92fafe3d27abea7934c0f1c5d9303a19a56a4b48b865f31bb22ca7

SHA512
2054d9451fec85ddf9167f639b1041eaa980af7400c58d45de7541800f315fb1cf20ee5c4284d9bc8adf17ad51f9ee891ec84a7699a2616566321a01c5447aea

Download Submit
memory/2136-15-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2136-22-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2224-0-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2224-2-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2224-1-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download