eee86dd26cd47923645f0808c6e4e58aa7af4515a5af716c241708dd792b197b

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17-04-2024 05:38

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-04-17_40a346d2ad04ada79d81f03a9bbb8058_cryptolocker.exe
Size

55KB
MD5

40a346d2ad04ada79d81f03a9bbb8058
SHA1

48c237e8229d5b856f2e530ccc3620c78e3cb3ce
SHA256

eee86dd26cd47923645f0808c6e4e58aa7af4515a5af716c241708dd792b197b
SHA512

0f71a72459bb37ec2af344d6ec3ea9d2f29245c4fd6034a9d9c49ca4a287a2b97af412b308165103eb09b8833e746617f62442ff16328d6d7c9f9d811a43cb7d
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vaTiSfQaV2L0zNr:X6QFElP6n+gJBMOtEvwDpjBtE1yIL6

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000800000001222b-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000800000001222b-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2688	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2212	2024-04-17_40a346d2ad04ada79d81f03a9bbb8058_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 2212 wrote to memory of 2688	2212	2024-04-17_40a346d2ad04ada79d81f03a9bbb8058_cryptolocker.exe	28
PID 2212 wrote to memory of 2688	2212	2024-04-17_40a346d2ad04ada79d81f03a9bbb8058_cryptolocker.exe	28
PID 2212 wrote to memory of 2688	2212	2024-04-17_40a346d2ad04ada79d81f03a9bbb8058_cryptolocker.exe	28
PID 2212 wrote to memory of 2688	2212	2024-04-17_40a346d2ad04ada79d81f03a9bbb8058_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-17_40a346d2ad04ada79d81f03a9bbb8058_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-17_40a346d2ad04ada79d81f03a9bbb8058_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2688

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
55KB

MD5
2066e5727c15128ad4093e5c29722ec6

SHA1
6ac1051be63692d9c33463df046bdd99e1d9bdaf

SHA256
438fa5a4081d3c545a79ccbc6fd02cd812de2ed990eb4d102c8e50fe9d2210d9

SHA512
275e9c6d7e4a8de0e7e826151b01f996d251e6e30f4314e9299636a3052a99b9ae7f26b7c21902f7be446ddf15dd0a6856102d3748d03ff163965a1c9634d9c7

Download Submit
memory/2212-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2212-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2212-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2688-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2688-16-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download