77b172c86652d811e40b17003c34987fd8bdfe8d415712aefbdab4a43b637622

General

Target

77b172c86652d811e40b17003c34987fd8bdfe8d415712aefbdab4a43b637622.exe
Size

9.9MB
MD5

add73c9376cadb3c29370162f18ea8cb
SHA1

a35a42bb55eea73b8800d39c77e0e33bb85cbe00
SHA256

77b172c86652d811e40b17003c34987fd8bdfe8d415712aefbdab4a43b637622
SHA512

41ab9ff20c3e426ba414067bc32f89cabc11fc1329ea74b8a5736d51f942792e1c82b58ee9dfb38fc3acf56f9c5ff156a8fb7af2e7c46b231365a94ba388758a
SSDEEP

196608:/BzJo+aWJuiDGoLHsBw2HORWbH/eBMDH23k/l/Es28f:/BlTa+uqdLHkw0SWSB4qk/l/Es2

Score

6^/10

bootkit persistence

Malware Config

Signatures

Writes to the Master Boot Record (MBR) 1 TTPs 1 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	77b172c86652d811e40b17003c34987fd8bdfe8d415712aefbdab4a43b637622.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2332	77b172c86652d811e40b17003c34987fd8bdfe8d415712aefbdab4a43b637622.exe
2332	77b172c86652d811e40b17003c34987fd8bdfe8d415712aefbdab4a43b637622.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
2640	systeminfo.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2332	77b172c86652d811e40b17003c34987fd8bdfe8d415712aefbdab4a43b637622.exe
2332	77b172c86652d811e40b17003c34987fd8bdfe8d415712aefbdab4a43b637622.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2332	77b172c86652d811e40b17003c34987fd8bdfe8d415712aefbdab4a43b637622.exe
2332	77b172c86652d811e40b17003c34987fd8bdfe8d415712aefbdab4a43b637622.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 2648	2332	77b172c86652d811e40b17003c34987fd8bdfe8d415712aefbdab4a43b637622.exe	28
PID 2332 wrote to memory of 2648	2332	77b172c86652d811e40b17003c34987fd8bdfe8d415712aefbdab4a43b637622.exe	28
PID 2332 wrote to memory of 2648	2332	77b172c86652d811e40b17003c34987fd8bdfe8d415712aefbdab4a43b637622.exe	28
PID 2332 wrote to memory of 2648	2332	77b172c86652d811e40b17003c34987fd8bdfe8d415712aefbdab4a43b637622.exe	28
PID 2648 wrote to memory of 2640	2648	cmd.exe	30
PID 2648 wrote to memory of 2640	2648	cmd.exe	30
PID 2648 wrote to memory of 2640	2648	cmd.exe	30
PID 2648 wrote to memory of 2640	2648	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\77b172c86652d811e40b17003c34987fd8bdfe8d415712aefbdab4a43b637622.exe
"C:\Users\Admin\AppData\Local\Temp\77b172c86652d811e40b17003c34987fd8bdfe8d415712aefbdab4a43b637622.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c systeminfo
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Windows\SysWOW64\systeminfo.exe
    systeminfo
    3⤵
    - Gathers system information
    PID:2640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2332-0-0x0000000000400000-0x00000000015A0000-memory.dmp

Filesize
17.6MB

Download
memory/2332-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2332-36-0x0000000000777000-0x0000000000BBA000-memory.dmp

Filesize
4.3MB

Download
memory/2332-35-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2332-33-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2332-30-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2332-28-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2332-25-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2332-23-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2332-20-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2332-18-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2332-15-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2332-13-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2332-11-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2332-10-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2332-8-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2332-6-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2332-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2332-1-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2332-37-0x0000000000400000-0x00000000015A0000-memory.dmp

Filesize
17.6MB

Download
memory/2332-42-0x0000000000400000-0x00000000015A0000-memory.dmp

Filesize
17.6MB

Download
memory/2332-43-0x0000000000777000-0x0000000000BBA000-memory.dmp

Filesize
4.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads