adacfe2ad824e57b4d699143dc001cc90af25d1667e3a12aa50bc5ec0ae2f9ae

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 20:39

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General

Target

2024-03-25_9fba058bee69433e344c4f785b95909e_cryptolocker.exe
Size

37KB
MD5

9fba058bee69433e344c4f785b95909e
SHA1

3317ee8a49a8bf146a709a555d6356172de3dbbb
SHA256

adacfe2ad824e57b4d699143dc001cc90af25d1667e3a12aa50bc5ec0ae2f9ae
SHA512

d4f61aad3c8d3377554136768ae9da65827caf73d7dfb0901df04eb8cd6aa881a7026bfccb03e3ce99446f43a13a11cb98e70e50dc1685a2dec6459fe909bc10
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenUT:ZzFbxmLPWQMOtEvwDpjLeW

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000121c5-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1764	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
340	2024-03-25_9fba058bee69433e344c4f785b95909e_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 340 wrote to memory of 1764	340	2024-03-25_9fba058bee69433e344c4f785b95909e_cryptolocker.exe	28
PID 340 wrote to memory of 1764	340	2024-03-25_9fba058bee69433e344c4f785b95909e_cryptolocker.exe	28
PID 340 wrote to memory of 1764	340	2024-03-25_9fba058bee69433e344c4f785b95909e_cryptolocker.exe	28
PID 340 wrote to memory of 1764	340	2024-03-25_9fba058bee69433e344c4f785b95909e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-25_9fba058bee69433e344c4f785b95909e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-25_9fba058bee69433e344c4f785b95909e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:340
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1764

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
37KB

MD5
e572405f250a27ffbb4184da8a3cc5b6

SHA1
ceab58b0a82ec4f87e7c1add1518bc2727859605

SHA256
8b94818e4d88873b0eaa72dd720a2cf506c621d50fc00bf1c67687ecddc78f97

SHA512
9ecc3e174e5a5c8e61f83e6a186ff8db1951e97a718d773435d2276b26ed09e0aeba58daa65fa613e722d2c69123d7f7ec1f1056dd086c9fe5c88076d95d1eb2

Download Submit
memory/340-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/340-2-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/340-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1764-15-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/1764-17-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/1764-19-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1764-24-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download