d345072311235d9f93c24ab9704581e50ceab15694a52ad171fa31c20f09e21e

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
05-06-2024 02:52

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General

Target

2024-06-05_edcfdae289ec1a3ca6b2de2afbe7bb0a_cryptolocker.exe
Size

50KB
MD5

edcfdae289ec1a3ca6b2de2afbe7bb0a
SHA1

22ac64dcf8ffb869cc41c262891a3df25944f4dc
SHA256

d345072311235d9f93c24ab9704581e50ceab15694a52ad171fa31c20f09e21e
SHA512

67f4a0c7f7a00003391c68978abfcc8de85c623223d4355cf87cd2d94269ce9881d89691d87ebb5bd5c45af12ac8bdb48a2a0b3a1b5de4acb8e3c786d0ebdfcb
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprqQ15x8rb:ZVxkGOtEvwDpjcL

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000015d59-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1248	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2860	2024-06-05_edcfdae289ec1a3ca6b2de2afbe7bb0a_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 2860 wrote to memory of 1248	2860	2024-06-05_edcfdae289ec1a3ca6b2de2afbe7bb0a_cryptolocker.exe	28
PID 2860 wrote to memory of 1248	2860	2024-06-05_edcfdae289ec1a3ca6b2de2afbe7bb0a_cryptolocker.exe	28
PID 2860 wrote to memory of 1248	2860	2024-06-05_edcfdae289ec1a3ca6b2de2afbe7bb0a_cryptolocker.exe	28
PID 2860 wrote to memory of 1248	2860	2024-06-05_edcfdae289ec1a3ca6b2de2afbe7bb0a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-05_edcfdae289ec1a3ca6b2de2afbe7bb0a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-05_edcfdae289ec1a3ca6b2de2afbe7bb0a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1248

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
51KB

MD5
9ef600271df9c459fc2b039e331dc29a

SHA1
a8313ca1ece503d795a83768a0c62cc8886ba556

SHA256
385783ae2b6e5c1532fb1fe8cf8a271984250f94e42e0d610b5b5aba56eefb06

SHA512
b60e478898f46fab2a7f06a58c9c32c3ca63db3a720f13a0231222b806d2fae69a4c525f79d883f8a21abc636ffa610eef667f18d3be70b239a3f75a8fa41256

Download Submit
memory/1248-15-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/1248-17-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1248-24-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/1248-25-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2860-9-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2860-7-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/2860-1-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2860-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download