a8b4f9fc0229d5095afd02cf69e4b59606a01b8edd7bd60e6d3e004687e729e4

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
29-06-2024 21:23

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General

Target

2024-06-29_79f8d7b9ac8178b6f9d7daafa17309bc_magniber.exe
Size

36.0MB
MD5

79f8d7b9ac8178b6f9d7daafa17309bc
SHA1

c66e9288f288e4158d779263e1a912320668f52b
SHA256

a8b4f9fc0229d5095afd02cf69e4b59606a01b8edd7bd60e6d3e004687e729e4
SHA512

bb72da5942b0ce723003db1fc112ef69ec94be35200b2d557b5c70ec1aa12767ac5e9c186c57e432d5f9c528531fd2c29cac48f07212f4f55143769efb771918
SSDEEP

786432:9wYnIe84d7m8/Mw5CaXv2S3IPlv5OqlICX1atGLJcez+yzqQ:9wYn7dX/uyv28Id5PlIQk0qeyOqQ

Score

7^/10

bootkit discovery persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

Processes:

2024-06-29_79f8d7b9ac8178b6f9d7daafa17309bc_magniber.exe

pid process

2212 2024-06-29_79f8d7b9ac8178b6f9d7daafa17309bc_magniber.exe
2212 2024-06-29_79f8d7b9ac8178b6f9d7daafa17309bc_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:

2024-06-29_79f8d7b9ac8178b6f9d7daafa17309bc_magniber.exe

description ioc process

File opened for modification \??\PhysicalDrive0 2024-06-29_79f8d7b9ac8178b6f9d7daafa17309bc_magniber.exe

pid	process
2212	2024-06-29_79f8d7b9ac8178b6f9d7daafa17309bc_magniber.exe
2212	2024-06-29_79f8d7b9ac8178b6f9d7daafa17309bc_magniber.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	2024-06-29_79f8d7b9ac8178b6f9d7daafa17309bc_magniber.exe

Drops file in Program Files directory 2 IoCs

Processes:

2024-06-29_79f8d7b9ac8178b6f9d7daafa17309bc_magniber.exe

description	ioc	process
File created	C:\Program Files (x86)\LuDaShi\{9F67D402-9717-4105-ACED-105412D9832F}.tf	2024-06-29_79f8d7b9ac8178b6f9d7daafa17309bc_magniber.exe
File created	C:\Program Files (x86)\LuDaShi\{A356DB34-11C8-4145-9FEE-388022F16F19}.tmp\{B7D60F40-17CD-43b6-8D36-7BA27DA27D47}.tf	2024-06-29_79f8d7b9ac8178b6f9d7daafa17309bc_magniber.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2708 2212 WerFault.exe 2024-06-29_79f8d7b9ac8178b6f9d7daafa17309bc_magniber.exe

pid	pid_target	process	target process
2708	2212	WerFault.exe	2024-06-29_79f8d7b9ac8178b6f9d7daafa17309bc_magniber.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-06-29_79f8d7b9ac8178b6f9d7daafa17309bc_magniber.exe

description	pid	process	target process
PID 2212 wrote to memory of 2708	2212	2024-06-29_79f8d7b9ac8178b6f9d7daafa17309bc_magniber.exe	WerFault.exe
PID 2212 wrote to memory of 2708	2212	2024-06-29_79f8d7b9ac8178b6f9d7daafa17309bc_magniber.exe	WerFault.exe
PID 2212 wrote to memory of 2708	2212	2024-06-29_79f8d7b9ac8178b6f9d7daafa17309bc_magniber.exe	WerFault.exe
PID 2212 wrote to memory of 2708	2212	2024-06-29_79f8d7b9ac8178b6f9d7daafa17309bc_magniber.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-29_79f8d7b9ac8178b6f9d7daafa17309bc_magniber.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-29_79f8d7b9ac8178b6f9d7daafa17309bc_magniber.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 940
2⤵
- Program crash
PID:2708

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

C:\Users\Admin\AppData\Local\Temp\lds_setup.log
Filesize
900B

MD5
a6651eb4c91d754af3aace0bcf1881d4

SHA1
51e70dc2958a855c8906f20cdc63242d4c7a2aaa

SHA256
eba51a74d2b318c8d836d865c9b3ecc8879b19507ae5d38b50929834baa7b51a

SHA512
612ac61634d0c923d44f29868fd626e7e0d8adb69346e1a9d7a1f4fd0e119c29818a9f5b009d69020e5be81e556046d2e7e98922592f6a769d58f71890fa6f65

Download Submit
\Users\Admin\AppData\Local\Temp\{639CF2B4-BBAD-49f8-A5C4-BC7DE47E40AD}.tmp\7z.dll
Filesize
1.1MB

MD5
2888126384d873cc49af32bbe34bb296

SHA1
fe74877bcaec93c7d67dab2ce8c86cfc38402d22

SHA256
aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

SHA512
f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a

Download Submit
\Users\Admin\AppData\Local\Temp\{BB9F3AAA-7856-411c-A8FF-08739288410C}.tmp\NetBridge.dll
Filesize
231KB

MD5
9d145902fb5b9a6da62ac85761434e31

SHA1
c817d77f59e3767d75cf5f5298d6b5711308f7e5

SHA256
98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

SHA512
bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9

Download Submit
memory/2212-40-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download