4fd7f380594cfb52b2254be0d2129db39c4724301201ac15cd3cfb5586294966

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 06:26

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General

Target

2024-03-05_d34e6288c445d2ecd1b7c7b7dcb6bf92_magniber.exe
Size

1.5MB
MD5

d34e6288c445d2ecd1b7c7b7dcb6bf92
SHA1

314d2a076b4c4e70dc399ea21a237c058cd8afde
SHA256

4fd7f380594cfb52b2254be0d2129db39c4724301201ac15cd3cfb5586294966
SHA512

fc323994a68b7a494bc2382107255a33db20230d70e19b08e988cd485b5b1e2b504e3480b2b6cc988714874b783ca48acf25c5af85ea709536f8c057983ebed0
SSDEEP

24576:hjo/SmnVJYSINjaRSKqTDuZY7grQWP/fxA9ImEexQ:h0/VgSAKqTDuZ8k3X+8

Score

7^/10

bootkit persistence

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
3988	2024-03-05_d34e6288c445d2ecd1b7c7b7dcb6bf92_magniber.exe

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	2024-03-05_d34e6288c445d2ecd1b7c7b7dcb6bf92_magniber.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3124	3988	WerFault.exe	87

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3988	2024-03-05_d34e6288c445d2ecd1b7c7b7dcb6bf92_magniber.exe
3988	2024-03-05_d34e6288c445d2ecd1b7c7b7dcb6bf92_magniber.exe
3988	2024-03-05_d34e6288c445d2ecd1b7c7b7dcb6bf92_magniber.exe
3988	2024-03-05_d34e6288c445d2ecd1b7c7b7dcb6bf92_magniber.exe
3988	2024-03-05_d34e6288c445d2ecd1b7c7b7dcb6bf92_magniber.exe
3988	2024-03-05_d34e6288c445d2ecd1b7c7b7dcb6bf92_magniber.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3988	2024-03-05_d34e6288c445d2ecd1b7c7b7dcb6bf92_magniber.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3988	2024-03-05_d34e6288c445d2ecd1b7c7b7dcb6bf92_magniber.exe
3988	2024-03-05_d34e6288c445d2ecd1b7c7b7dcb6bf92_magniber.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-05_d34e6288c445d2ecd1b7c7b7dcb6bf92_magniber.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-05_d34e6288c445d2ecd1b7c7b7dcb6bf92_magniber.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3988
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3988 -s 2392
  2⤵
  - Program crash
  PID:3124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3988 -ip 3988
1⤵
PID:3700

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\UNIBAFD.tmp\dr.dll

Filesize
346KB

MD5
47e5db9c8990f133d57c564c20668d38

SHA1
b8d90e8922c71935c61ecaae9a482fba6c3439ba

SHA256
5d14c76dbc223385f34e60391ca91475078c1fe35822bf91f825fc8196d95fcd

SHA512
000608913349ce84ef8eda5f68d03ef74fd57f6a16d74cb5b0945621f281b2396535f42daac33ab7bf94317b783caec9c32edfbaffa4da56c97dbfe9ea084488

Download Submit
memory/3988-14-0x0000000004450000-0x0000000004451000-memory.dmp

Filesize
4KB

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