92266c97d36ac3bf20142a223258f57f9b3a3aa5a0bf2862e2a2195333487f44

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17/05/2024, 01:33

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General

Target

2024-05-17_c2380de4ddae1c21ff8053a3feb6973f_cryptolocker.exe
Size

73KB
MD5

c2380de4ddae1c21ff8053a3feb6973f
SHA1

bd8eef267a8c1977d67c9dda1cb9e4e82941d235
SHA256

92266c97d36ac3bf20142a223258f57f9b3a3aa5a0bf2862e2a2195333487f44
SHA512

b6ffc4c0261d4ff7f8ffabbe988241097b3c6c496b98f861718f52ab21776c3c9cf5403b6d613f9fa810a89c99c9c4ebb7688d088aebd1f997900c5052686be0
SSDEEP

768:u6LsoEEeegiZPvEhHSG+gZgtOOtEvwDpjeY10Y/YMsi:u6QFElP6n+gWMOtEvwDpjJGYQbi

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000e000000013420-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000e000000013420-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1444	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1796	2024-05-17_c2380de4ddae1c21ff8053a3feb6973f_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 1796 wrote to memory of 1444	1796	2024-05-17_c2380de4ddae1c21ff8053a3feb6973f_cryptolocker.exe	28
PID 1796 wrote to memory of 1444	1796	2024-05-17_c2380de4ddae1c21ff8053a3feb6973f_cryptolocker.exe	28
PID 1796 wrote to memory of 1444	1796	2024-05-17_c2380de4ddae1c21ff8053a3feb6973f_cryptolocker.exe	28
PID 1796 wrote to memory of 1444	1796	2024-05-17_c2380de4ddae1c21ff8053a3feb6973f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-17_c2380de4ddae1c21ff8053a3feb6973f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-17_c2380de4ddae1c21ff8053a3feb6973f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1444

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
73KB

MD5
4868886d72f53fa22db551d0bf68bc1a

SHA1
8e31162022ff55e942ccc5a0d9f04c26d7be560d

SHA256
c10b741e771f1462c13c124be44615eb4e45e5ae98214e77ef47ee6f52bba67c

SHA512
2c9c6635d0e881bcb77848bd37482049d1eff341c5bcc25f69aac7a965d2b72760aa9e3e91795140c776bcdc46a8dc033a05ddfc0340eb385408dfd739175ac2

Download Submit
memory/1444-15-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1796-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1796-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1796-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download