cbe0941ae3c266dcfdbe4e30e6018d04aa832cee094031979a7ff4de7e319c08

Analysis

max time kernel
135s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15-03-2024 07:44

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General

Target

2024-03-15_f2431586095eec09b4dc66095383e338_cryptolocker.exe
Size

72KB
MD5

f2431586095eec09b4dc66095383e338
SHA1

8331756fbf4368dee0fc073360166146133a0f5d
SHA256

cbe0941ae3c266dcfdbe4e30e6018d04aa832cee094031979a7ff4de7e319c08
SHA512

b1e6caeed6ebf50ff439ffd847f9f5d8c449b315ded934b238c7c96fc9203bd4b12d86dafb4d8d51ad078e884a19833b1e8bac3754dd64cab31acbbd8181d677
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KUU:ZVxkGOtEvwDpjcaw

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122de-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1196	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1768	2024-03-15_f2431586095eec09b4dc66095383e338_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 1768 wrote to memory of 1196	1768	2024-03-15_f2431586095eec09b4dc66095383e338_cryptolocker.exe	28
PID 1768 wrote to memory of 1196	1768	2024-03-15_f2431586095eec09b4dc66095383e338_cryptolocker.exe	28
PID 1768 wrote to memory of 1196	1768	2024-03-15_f2431586095eec09b4dc66095383e338_cryptolocker.exe	28
PID 1768 wrote to memory of 1196	1768	2024-03-15_f2431586095eec09b4dc66095383e338_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-15_f2431586095eec09b4dc66095383e338_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-15_f2431586095eec09b4dc66095383e338_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1196

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
72KB

MD5
3b18d86fcc67d66aac07532310e31512

SHA1
bf7831f2353051297341b7f8ee01c460754c6555

SHA256
d16ea58fd05e3f6bf44019b2560da98ed4772ebf6094ab6ce5108b6a52fc4c10

SHA512
65ebe0c3f616535e107cd82df588b3cacac02e7a1a8d584259353e5378adc367225caca29c575420cbdc371933658a74a7e5c980f3627bad74dca47e501e692c

Download Submit
memory/1196-16-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1196-19-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1768-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1768-1-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/1768-2-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/1768-5-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download