91bf98b82767f593acd082fca389ead01a26818d4dc3695469e175b6ff7c5645

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
12/03/2024, 14:51

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-03-12_e03df4cc93cdc2c6fad79121c74dd025_cryptolocker.exe
Size

48KB
MD5

e03df4cc93cdc2c6fad79121c74dd025
SHA1

810d3134a0d44d392e71e947d8a609dbac179bfb
SHA256

91bf98b82767f593acd082fca389ead01a26818d4dc3695469e175b6ff7c5645
SHA512

4f63162e4bc4aabb038370923596fd38de5372abd90f8415b0a13e724e26eb7a0016d5302cc5911d2b8970f2116f5a763879b222620934497bbe2744e1dbcfd1
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprqQ15x8P:ZVxkGOtEvwDpjcr

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001232e-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2332	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2856	2024-03-12_e03df4cc93cdc2c6fad79121c74dd025_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 2856 wrote to memory of 2332	2856	2024-03-12_e03df4cc93cdc2c6fad79121c74dd025_cryptolocker.exe	28
PID 2856 wrote to memory of 2332	2856	2024-03-12_e03df4cc93cdc2c6fad79121c74dd025_cryptolocker.exe	28
PID 2856 wrote to memory of 2332	2856	2024-03-12_e03df4cc93cdc2c6fad79121c74dd025_cryptolocker.exe	28
PID 2856 wrote to memory of 2332	2856	2024-03-12_e03df4cc93cdc2c6fad79121c74dd025_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-12_e03df4cc93cdc2c6fad79121c74dd025_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_e03df4cc93cdc2c6fad79121c74dd025_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2332

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\misid.exe

Filesize
48KB

MD5
19db49a1cb5afa8c0265036cb87412b3

SHA1
b79603b25c8000a2b5fdc0dd345686db218508a2

SHA256
a843bcbe218f32869f3f2a947951b56350d4dc3043a05fef7bf5fcd79074bfb7

SHA512
82ca4e427e5ef634d99a92bbbaf2729493c7acf534553727ecf0115763cdf693e22530208fcf55acdc2462b79aeaff385ae50d51fdb74561c405c50fdca705df

Download Submit
memory/2332-16-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2332-15-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2332-18-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2856-0-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2856-2-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2856-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download