3e7e651b19f5fe5db0d25d5f02008f20cac3cff34b889ed58bc2ee749e6741db

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
17-02-2024 17:50

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General

Target

2024-02-17_fd90ecc83d2e3fa2dfa3e1908a38818a_cryptolocker.exe
Size

40KB
MD5

fd90ecc83d2e3fa2dfa3e1908a38818a
SHA1

090ac557d38bca5034b2e5d4c21e300534a2c776
SHA256

3e7e651b19f5fe5db0d25d5f02008f20cac3cff34b889ed58bc2ee749e6741db
SHA512

684da2a67ba9ac6213c5787bfb1e1cce0eac04edbdf3074aac75bc01a20b1f7deec42a41509d1b44269eba72e6db595485b6ca058c4ee24ae3a4b1377d021f21
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenQL3bTX:ZzFbxmLPWQMOtEvwDpjLeU3P

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000122c9-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2300	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2148	2024-02-17_fd90ecc83d2e3fa2dfa3e1908a38818a_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 2148 wrote to memory of 2300	2148	2024-02-17_fd90ecc83d2e3fa2dfa3e1908a38818a_cryptolocker.exe	28
PID 2148 wrote to memory of 2300	2148	2024-02-17_fd90ecc83d2e3fa2dfa3e1908a38818a_cryptolocker.exe	28
PID 2148 wrote to memory of 2300	2148	2024-02-17_fd90ecc83d2e3fa2dfa3e1908a38818a_cryptolocker.exe	28
PID 2148 wrote to memory of 2300	2148	2024-02-17_fd90ecc83d2e3fa2dfa3e1908a38818a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-17_fd90ecc83d2e3fa2dfa3e1908a38818a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-17_fd90ecc83d2e3fa2dfa3e1908a38818a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2300

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\misid.exe

Filesize
41KB

MD5
48c4fa669084bea6a9d52acf18f5d3cb

SHA1
465487b5170c9d433a5f8e0f3cb3155edb33bf56

SHA256
b9a15b042e1de11fc73caab761ef02f74559f5fb9bd4e59704f15aad82f5995d

SHA512
750e046146dfbc0a66ed333e549c641e7fe40b4da87acf3da1dbd42fbcc3630e8851f8f1bc8ad636f9813a7332e9aa3b4082e39df682d3b35c99a6a4059aae08

Download Submit
memory/2148-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2148-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2148-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2300-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download