fe1b59665643ffa2553ddbed9db3319b0b834d2e8bb32411fcf9fbdaeabbd784

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 00:38

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General

Target

fe1b59665643ffa2553ddbed9db3319b0b834d2e8bb32411fcf9fbdaeabbd784.exe
Size

4.8MB
MD5

777a393d6f163d862cbe115e3f997252
SHA1

93166f7350d2c9b808df9dfaf2f782220b8573bf
SHA256

fe1b59665643ffa2553ddbed9db3319b0b834d2e8bb32411fcf9fbdaeabbd784
SHA512

9cb306342da1f79057145ead8ec86c04b55d4dede2e4b858c057fc4d3b75823b563d02884d5a0e802223f401e9dadcbe926750f81a607f36fccd5eb3ba96bd16
SSDEEP

98304:uVeM4VwHuokyfn8PGcx2HynIiprw0F80XZsB3p:cAVw3kx2SnIe84E3p

Score

7^/10

bootkit discovery persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
2196	fe1b59665643ffa2553ddbed9db3319b0b834d2e8bb32411fcf9fbdaeabbd784.exe
2196	fe1b59665643ffa2553ddbed9db3319b0b834d2e8bb32411fcf9fbdaeabbd784.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

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	fe1b59665643ffa2553ddbed9db3319b0b834d2e8bb32411fcf9fbdaeabbd784.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LuDaShi\{E3CB9DA3-0674-4261-9C56-896FFADDD6A8}.tf	fe1b59665643ffa2553ddbed9db3319b0b834d2e8bb32411fcf9fbdaeabbd784.exe
File created	C:\Program Files (x86)\LuDaShi\{D8EC2E3F-3C1D-4d7c-A565-8A29F2F5C770}.tmp\{9F47C3E7-C183-4b54-B094-A02B49146A39}.tf	fe1b59665643ffa2553ddbed9db3319b0b834d2e8bb32411fcf9fbdaeabbd784.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2724	2196	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fe1b59665643ffa2553ddbed9db3319b0b834d2e8bb32411fcf9fbdaeabbd784.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2724	2196	fe1b59665643ffa2553ddbed9db3319b0b834d2e8bb32411fcf9fbdaeabbd784.exe	30
PID 2196 wrote to memory of 2724	2196	fe1b59665643ffa2553ddbed9db3319b0b834d2e8bb32411fcf9fbdaeabbd784.exe	30
PID 2196 wrote to memory of 2724	2196	fe1b59665643ffa2553ddbed9db3319b0b834d2e8bb32411fcf9fbdaeabbd784.exe	30
PID 2196 wrote to memory of 2724	2196	fe1b59665643ffa2553ddbed9db3319b0b834d2e8bb32411fcf9fbdaeabbd784.exe	30

C:\Users\Admin\AppData\Local\Temp\fe1b59665643ffa2553ddbed9db3319b0b834d2e8bb32411fcf9fbdaeabbd784.exe
"C:\Users\Admin\AppData\Local\Temp\fe1b59665643ffa2553ddbed9db3319b0b834d2e8bb32411fcf9fbdaeabbd784.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 864
  2⤵
  - Program crash
  PID:2724

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

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\lds_setup.log

Filesize
912B

MD5
5dfaf7da44cc958278e973b2e0abce2e

SHA1
c82f964f29f054aafc1db23eb1ca6c5b2c83df90

SHA256
46fe1308981c51ec71bc002c07f1e2d57f81bc7d42bc6ae4fa5f8085d96cc253

SHA512
cf96831c75cae8cd2551b8c98463e3674de67359b61237e3228e25aabee4e75cdd2d45eb314a1bba82226b641ae11b56e435d053e6410aba43b5f78e37de1b5a

Download Submit
C:\Users\Admin\AppData\Local\Temp\{CC70F3C2-ACBE-46fd-AC26-3BD4335EB480}.tmp\NetBridge.dll

Filesize
231KB

MD5
9d145902fb5b9a6da62ac85761434e31

SHA1
c817d77f59e3767d75cf5f5298d6b5711308f7e5

SHA256
98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

SHA512
bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9

Download Submit
\Users\Admin\AppData\Local\Temp\{0C1375C9-5B7C-4347-A7F4-0BD5E008576D}.tmp\7z.dll

Filesize
1.1MB

MD5
2888126384d873cc49af32bbe34bb296

SHA1
fe74877bcaec93c7d67dab2ce8c86cfc38402d22

SHA256
aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

SHA512
f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a

Download Submit
memory/2196-39-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads