5032521b26ab4ccfba4aa5e4a00a8b6babc53a7da9e918354537a54739173bee

Analysis

max time kernel
151s
max time network
159s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/03/2024, 09:53

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General

Target

2024-03-08_d868ea21ae741a680ae212d7cd86d945_cryptolocker.exe
Size

131KB
MD5

d868ea21ae741a680ae212d7cd86d945
SHA1

5193b5c07065cd0e554d48754e8f3dc2941b6d45
SHA256

5032521b26ab4ccfba4aa5e4a00a8b6babc53a7da9e918354537a54739173bee
SHA512

b1a09246aea09043db2e251120fea1bcc071b9105b0116f4a025bee65bf69b558d4696bf80725bd9ecaa22b622dcd8a7a5dc53524f2284c6766807365b7ad9bb
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgp699GNtL1et:V6a+pOtEvwDpjtz3

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012251-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012251-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2496	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2192	2024-03-08_d868ea21ae741a680ae212d7cd86d945_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 2192 wrote to memory of 2496	2192	2024-03-08_d868ea21ae741a680ae212d7cd86d945_cryptolocker.exe	28
PID 2192 wrote to memory of 2496	2192	2024-03-08_d868ea21ae741a680ae212d7cd86d945_cryptolocker.exe	28
PID 2192 wrote to memory of 2496	2192	2024-03-08_d868ea21ae741a680ae212d7cd86d945_cryptolocker.exe	28
PID 2192 wrote to memory of 2496	2192	2024-03-08_d868ea21ae741a680ae212d7cd86d945_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-08_d868ea21ae741a680ae212d7cd86d945_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-08_d868ea21ae741a680ae212d7cd86d945_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2496

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
132KB

MD5
795508bdf2f169928bc344699257692a

SHA1
22540add4f9ef6761833bf4654ddc21aeaf37b95

SHA256
0fa48cbab17aacb49816694b724268e6bec2e6c8aeb7f535706cd1e1fa4335cd

SHA512
f10adc924cc75431ffb2f2218b63e283bed0cfa6dae7c1bc892ed0c899f579a32e114e5996d77b87be448e9232914d976777faf7d9ce082bc82db5ea7406c7d4

Download Submit
memory/2192-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2192-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2192-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2496-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download