9b7bdd2d91da534a407cd19b59acd2bd20592a696fa3ced3da8bab7ff028889b

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
30/05/2024, 03:50

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General

Target

2024-05-30_5efb240a51724054faac5cc571e5e15d_cryptolocker.exe
Size

45KB
MD5

5efb240a51724054faac5cc571e5e15d
SHA1

d14c9d834e6816810f22fb9f43618cf7b4562288
SHA256

9b7bdd2d91da534a407cd19b59acd2bd20592a696fa3ced3da8bab7ff028889b
SHA512

b4742a155d934eb56b6fc2ce32eae7f18507e4490ed5439fe7f5ce8c73d8d2a9144365979ec355121ea690951fabb3271a7309a76bf1344d45e39c78915b1af4
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9H7ZD:X6QFElP6n+gJQMOtEvwDpjBmzDkWDt7N

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012350-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012350-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1256	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2988	2024-05-30_5efb240a51724054faac5cc571e5e15d_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 2988 wrote to memory of 1256	2988	2024-05-30_5efb240a51724054faac5cc571e5e15d_cryptolocker.exe	28
PID 2988 wrote to memory of 1256	2988	2024-05-30_5efb240a51724054faac5cc571e5e15d_cryptolocker.exe	28
PID 2988 wrote to memory of 1256	2988	2024-05-30_5efb240a51724054faac5cc571e5e15d_cryptolocker.exe	28
PID 2988 wrote to memory of 1256	2988	2024-05-30_5efb240a51724054faac5cc571e5e15d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-30_5efb240a51724054faac5cc571e5e15d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-30_5efb240a51724054faac5cc571e5e15d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1256

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\asih.exe

Filesize
45KB

MD5
993458d6c43b2f9b6ea91202f070226f

SHA1
46b9d727134d135fcfa2079a10362df9882b9e72

SHA256
1b1bb9123f6c9a348c2bdf9a946072e18fec9e4dabd0e13fa3a62b01b8c10286

SHA512
19bc11c0a325a8f0bcfbb2424742c879c4815d446b561e4265bae5643651f3841fc66e241c7c16a487c9034008b6a388aac352d327fe109f0d222f2dd94b0549

Download Submit
memory/1256-22-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/1256-15-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2988-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2988-1-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2988-8-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download