1435e611762b5d4b3a4d795893117bd72db8100c4bd9493ec7dd430b5862ede7

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
31-05-2024 14:30

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General

Target

1435e611762b5d4b3a4d795893117bd72db8100c4bd9493ec7dd430b5862ede7.exe
Size

1.0MB
MD5

56bc203eaef52359e16f8ae31c92aba0
SHA1

e26299143afa798f04978e1ccd4065ddb70402a9
SHA256

1435e611762b5d4b3a4d795893117bd72db8100c4bd9493ec7dd430b5862ede7
SHA512

0d7327c09a008969db3410b0731e8f3d5b81fbdb33b008d6ea8a3e1f6805f3bd87a39d11619825e817134029f33a4ccb87356d3f1c25889cc846cfcc287b8a99
SSDEEP

24576:N4ZNM5nf4U3MrQR1YFKMEh/8Bk3NqmWwRsqVEf2omqH:OZNYgnrE3MEx8BkNWwRdgp

Score

7^/10

bootkit persistence

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000c00000001226d-3.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1084	rundll32.exe

Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	1435e611762b5d4b3a4d795893117bd72db8100c4bd9493ec7dd430b5862ede7.exe
File opened for modification	\??\PhysicalDrive0	rundll32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1084	rundll32.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1084	rundll32.exe

Suspicious use of SetWindowsHookEx 64 IoCs

pid	Process
2204	1435e611762b5d4b3a4d795893117bd72db8100c4bd9493ec7dd430b5862ede7.exe
2204	1435e611762b5d4b3a4d795893117bd72db8100c4bd9493ec7dd430b5862ede7.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe
1084	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 1084	2204	1435e611762b5d4b3a4d795893117bd72db8100c4bd9493ec7dd430b5862ede7.exe	28
PID 2204 wrote to memory of 1084	2204	1435e611762b5d4b3a4d795893117bd72db8100c4bd9493ec7dd430b5862ede7.exe	28
PID 2204 wrote to memory of 1084	2204	1435e611762b5d4b3a4d795893117bd72db8100c4bd9493ec7dd430b5862ede7.exe	28
PID 2204 wrote to memory of 1084	2204	1435e611762b5d4b3a4d795893117bd72db8100c4bd9493ec7dd430b5862ede7.exe	28
PID 2204 wrote to memory of 1084	2204	1435e611762b5d4b3a4d795893117bd72db8100c4bd9493ec7dd430b5862ede7.exe	28
PID 2204 wrote to memory of 1084	2204	1435e611762b5d4b3a4d795893117bd72db8100c4bd9493ec7dd430b5862ede7.exe	28
PID 2204 wrote to memory of 1084	2204	1435e611762b5d4b3a4d795893117bd72db8100c4bd9493ec7dd430b5862ede7.exe	28

C:\Users\Admin\AppData\Local\Temp\1435e611762b5d4b3a4d795893117bd72db8100c4bd9493ec7dd430b5862ede7.exe
"C:\Users\Admin\AppData\Local\Temp\1435e611762b5d4b3a4d795893117bd72db8100c4bd9493ec7dd430b5862ede7.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 "C:\Users\Admin\AppData\Local\Temp\p9e7p4y2g4.tmp",RunDllHostCallBack
  2⤵
  - Loads dropped DLL
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:1084

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\p9e7p4y2g4.tmp

Filesize
761KB

MD5
e22eb85ff0ee55b7b81ecbe3b8f7146c

SHA1
7457f879bab5cc9352e7763013f87d0fe33d0ed8

SHA256
e6027a97cc24fbf5732ce91bbc727e8a6af1f0f0ecc5f6daa4e95d66be064cc7

SHA512
9f9e6d04c175d74da64f4785a6ae9dfff790b8b542cef876b3777f6f606b4607a3326534a4997c5bb197b1f8e2ca4c7c1202cdbfbc035a69847a567cc8d2e60a

Download Submit
memory/1084-5-0x0000000010000000-0x000000001017D000-memory.dmp

Filesize
1.5MB

Download
memory/1084-7-0x0000000010000000-0x000000001017D000-memory.dmp

Filesize
1.5MB

Download
memory/2204-2-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2204-6-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads