e93194f8a28224fdebac60f8cafbbae1f31f04ac7b9be3bf5d0a04483b61db7c

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-09-2024 00:26

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General

Target

e93194f8a28224fdebac60f8cafbbae1f31f04ac7b9be3bf5d0a04483b61db7c.exe
Size

4.8MB
MD5

d57b594716a5041282735c4e5dd777bf
SHA1

404d28012407c48ca1af83897fc16d282cf35547
SHA256

e93194f8a28224fdebac60f8cafbbae1f31f04ac7b9be3bf5d0a04483b61db7c
SHA512

24ffcf40c342629ccaff3156e6da703dfd6b0f93989aec088e1f7dae909386e65ce849c286c04bbc64973c12ae9813f829e769aad18106c33173c80ae604b128
SSDEEP

98304:JVeM4VwHuokyfz8PGcx2HynIiprw0F80XZqP4:/AVwDkx2SnIe84qP4

Score

7^/10

bootkit discovery persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
1628	e93194f8a28224fdebac60f8cafbbae1f31f04ac7b9be3bf5d0a04483b61db7c.exe
1628	e93194f8a28224fdebac60f8cafbbae1f31f04ac7b9be3bf5d0a04483b61db7c.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	e93194f8a28224fdebac60f8cafbbae1f31f04ac7b9be3bf5d0a04483b61db7c.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LuDaShi\{3F83410E-55F3-4ce0-A81C-73E76943B8D1}.tf	e93194f8a28224fdebac60f8cafbbae1f31f04ac7b9be3bf5d0a04483b61db7c.exe
File created	C:\Program Files (x86)\LuDaShi\{68E2A806-F6CF-4bbf-A200-3D3B9AD0FCEB}.tmp\{EE6A0FFC-25A5-450f-B799-2C160111035F}.tf	e93194f8a28224fdebac60f8cafbbae1f31f04ac7b9be3bf5d0a04483b61db7c.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2648	1628	WerFault.exe	30

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	e93194f8a28224fdebac60f8cafbbae1f31f04ac7b9be3bf5d0a04483b61db7c.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 2648	1628	e93194f8a28224fdebac60f8cafbbae1f31f04ac7b9be3bf5d0a04483b61db7c.exe	31
PID 1628 wrote to memory of 2648	1628	e93194f8a28224fdebac60f8cafbbae1f31f04ac7b9be3bf5d0a04483b61db7c.exe	31
PID 1628 wrote to memory of 2648	1628	e93194f8a28224fdebac60f8cafbbae1f31f04ac7b9be3bf5d0a04483b61db7c.exe	31
PID 1628 wrote to memory of 2648	1628	e93194f8a28224fdebac60f8cafbbae1f31f04ac7b9be3bf5d0a04483b61db7c.exe	31

C:\Users\Admin\AppData\Local\Temp\e93194f8a28224fdebac60f8cafbbae1f31f04ac7b9be3bf5d0a04483b61db7c.exe
"C:\Users\Admin\AppData\Local\Temp\e93194f8a28224fdebac60f8cafbbae1f31f04ac7b9be3bf5d0a04483b61db7c.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:1628
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 984
  2⤵
  - Program crash
  PID:2648

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

\Users\Admin\AppData\Local\Temp\{82271CA3-D112-4de0-9D9E-1D779A26E49A}.tmp\NetBridge.dll

Filesize
231KB

MD5
9d145902fb5b9a6da62ac85761434e31

SHA1
c817d77f59e3767d75cf5f5298d6b5711308f7e5

SHA256
98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

SHA512
bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9

Download Submit
\Users\Admin\AppData\Local\Temp\{BB330D63-0785-4edd-A4C5-E9D76C43CA7D}.tmp\7z.dll

Filesize
1.1MB

MD5
2888126384d873cc49af32bbe34bb296

SHA1
fe74877bcaec93c7d67dab2ce8c86cfc38402d22

SHA256
aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

SHA512
f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a

Download Submit
memory/1628-40-0x0000000000980000-0x0000000000981000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads