b73994405c1e14777a39fac998a6d6d04cbe46305a02cb24468d524ae8732f02

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
25-05-2024 20:14

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General

Target

2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe
Size

43.5MB
MD5

9e59da677bb0e1750261d790bfd1902a
SHA1

04bb6ce597893dbe53cbc685b3d831352578f957
SHA256

b73994405c1e14777a39fac998a6d6d04cbe46305a02cb24468d524ae8732f02
SHA512

177a75872eb267e94b9389a4efefc8a6343b50aeb514a44acd0c42d8a8ce3dea0e13aa4620373f406ca7e2a1d930e9eecb7eeae1344933729152e768ef3ca1de
SSDEEP

786432:Nw8nIe84AaDI0h1kInVKyVTU+1vqdAlPbbxh/ldO9xShzjr/P6s1sl/wJc+PE:Nw8n7AL0hb4yVTU00Mj9yshz/11sl/wU

Score

7^/10

bootkit discovery persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

Processes:

2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe

pid process

992 2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe
992 2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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

Processes:

2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe

description ioc process

File opened for modification \??\PhysicalDrive0 2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe

pid	process
992	2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe
992	2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe

Drops file in Program Files directory 2 IoCs

Processes:

2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe

description	ioc	process
File created	C:\Program Files (x86)\LuDaShi\{134C9998-4020-47e2-A59B-E4711E466530}.tf	2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe
File created	C:\Program Files (x86)\LuDaShi\{93FDEA85-E0BF-454d-8520-750392A7D556}.tmp\{7A197B4C-F701-42dc-B477-CAFE2B42128A}.tf	2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2428 992 WerFault.exe 2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe

pid	pid_target	process	target process
2428	992	WerFault.exe	2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe

description	pid	process	target process
PID 992 wrote to memory of 2428	992	2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe	WerFault.exe
PID 992 wrote to memory of 2428	992	2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe	WerFault.exe
PID 992 wrote to memory of 2428	992	2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe	WerFault.exe
PID 992 wrote to memory of 2428	992	2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 992 -s 1000
2⤵
- Program crash
PID:2428

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\{E058928F-4425-419b-87B1-2432F7D89972}.tmp\NetBridge.dll
Filesize
231KB

MD5
9d145902fb5b9a6da62ac85761434e31

SHA1
c817d77f59e3767d75cf5f5298d6b5711308f7e5

SHA256
98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

SHA512
bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9

Download Submit
\Users\Admin\AppData\Local\Temp\{F8320F00-E1FB-4cc4-99A7-712A34796F4C}.tmp\7z.dll
Filesize
1.1MB

MD5
2888126384d873cc49af32bbe34bb296

SHA1
fe74877bcaec93c7d67dab2ce8c86cfc38402d22

SHA256
aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

SHA512
f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a

Download Submit
memory/992-39-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download