6d714822f39837d939725fce691444cc10021f385742049523bc9a6d6a59b94e

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-09-2024 23:52

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General

Target

6d714822f39837d939725fce691444cc10021f385742049523bc9a6d6a59b94e.exe
Size

4.8MB
MD5

337e81d13238a3abf061f6daac938420
SHA1

648029ebc8a315108bc005eab14c071fbed9755e
SHA256

6d714822f39837d939725fce691444cc10021f385742049523bc9a6d6a59b94e
SHA512

15fc86915ca3bd1c3c31ca9ec63e222dea1f6e5c43b62ad93ee8b8cab9e65397d17c581cf067d8bfb66d37af41916a4eb4c7452dc32243a17571cdd15249bf7f
SSDEEP

98304:uVeM4VwHuokyfn8PGcx2HynIiprw0F80XZsB3Y:cAVw3kx2SnIe84E3Y

Score

7^/10

bootkit discovery persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
2384	6d714822f39837d939725fce691444cc10021f385742049523bc9a6d6a59b94e.exe
2384	6d714822f39837d939725fce691444cc10021f385742049523bc9a6d6a59b94e.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	6d714822f39837d939725fce691444cc10021f385742049523bc9a6d6a59b94e.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LuDaShi\{2916A21E-59BA-42f7-8527-F241145C258B}.tf	6d714822f39837d939725fce691444cc10021f385742049523bc9a6d6a59b94e.exe
File created	C:\Program Files (x86)\LuDaShi\{3B6C8A9C-C171-4e1e-BCF1-92DBB09FDD2A}.tmp\{33FCFE1D-178F-4e3a-A33E-4D959846B439}.tf	6d714822f39837d939725fce691444cc10021f385742049523bc9a6d6a59b94e.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2788	2384	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	6d714822f39837d939725fce691444cc10021f385742049523bc9a6d6a59b94e.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2788	2384	6d714822f39837d939725fce691444cc10021f385742049523bc9a6d6a59b94e.exe	30
PID 2384 wrote to memory of 2788	2384	6d714822f39837d939725fce691444cc10021f385742049523bc9a6d6a59b94e.exe	30
PID 2384 wrote to memory of 2788	2384	6d714822f39837d939725fce691444cc10021f385742049523bc9a6d6a59b94e.exe	30
PID 2384 wrote to memory of 2788	2384	6d714822f39837d939725fce691444cc10021f385742049523bc9a6d6a59b94e.exe	30

C:\Users\Admin\AppData\Local\Temp\6d714822f39837d939725fce691444cc10021f385742049523bc9a6d6a59b94e.exe
"C:\Users\Admin\AppData\Local\Temp\6d714822f39837d939725fce691444cc10021f385742049523bc9a6d6a59b94e.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:2384
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 892
  2⤵
  - Program crash
  PID:2788

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\{00F1307D-EB20-4c52-92C5-740E463F4165}.tmp\NetBridge.dll

Filesize
231KB

MD5
9d145902fb5b9a6da62ac85761434e31

SHA1
c817d77f59e3767d75cf5f5298d6b5711308f7e5

SHA256
98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

SHA512
bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9

Download Submit
\Users\Admin\AppData\Local\Temp\{4CA2DD1C-FE93-4b69-AD05-5CCEE5E58220}.tmp\7z.dll

Filesize
1.1MB

MD5
2888126384d873cc49af32bbe34bb296

SHA1
fe74877bcaec93c7d67dab2ce8c86cfc38402d22

SHA256
aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

SHA512
f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a

Download Submit
memory/2384-39-0x00000000009B0000-0x00000000009B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads