b231914240c9ee2f4eecbd6eb89eb40e9eefb7c7d4bf126944fa81fecb81c8ea

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
28/05/2024, 04:49

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General

Target

2024-05-28_ae06e9aacb5727bda76f27e56d42cdff_cryptolocker.exe
Size

54KB
MD5

ae06e9aacb5727bda76f27e56d42cdff
SHA1

fe651e6ffdb96b5c614c3bf8e64bc05d59f0c110
SHA256

b231914240c9ee2f4eecbd6eb89eb40e9eefb7c7d4bf126944fa81fecb81c8ea
SHA512

ae3c62313e6b01417b0b5e8c618642e3054b24ef132e39402399e1b6916b50726b241d7e596e9293dde788f63b012e693173ec0f3a3f976c17b808849b06db4d
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaTIK3H:X6QFElP6n+gJBMOtEvwDpjBtExmlt3H

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000f000000012028-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000f000000012028-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2856	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2108	2024-05-28_ae06e9aacb5727bda76f27e56d42cdff_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 2108 wrote to memory of 2856	2108	2024-05-28_ae06e9aacb5727bda76f27e56d42cdff_cryptolocker.exe	29
PID 2108 wrote to memory of 2856	2108	2024-05-28_ae06e9aacb5727bda76f27e56d42cdff_cryptolocker.exe	29
PID 2108 wrote to memory of 2856	2108	2024-05-28_ae06e9aacb5727bda76f27e56d42cdff_cryptolocker.exe	29
PID 2108 wrote to memory of 2856	2108	2024-05-28_ae06e9aacb5727bda76f27e56d42cdff_cryptolocker.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-05-28_ae06e9aacb5727bda76f27e56d42cdff_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-28_ae06e9aacb5727bda76f27e56d42cdff_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2856

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
55KB

MD5
dcce7117f1688160f3971b64bd3ab3c2

SHA1
7815a2e3380f88604e6ee32aa3f98e1966a70394

SHA256
02ff8502654187beb2fac58dc30626a65cc866b557351cea5b679c133ed79bfa

SHA512
8c4d0db643167d6369609af5bd35eb714d274bf9eba2517f3a6bbd02206f862c4041c059447c69426661c72a87e85bdbfd995243b26a803f658daeaeb2c77ae0

Download Submit
memory/2108-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2108-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2108-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2856-15-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download