fed53e67f7545f3e4518d3aa96c45ade7194821c3e9a748f210623e731a02843

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/09/2024, 16:26

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General

Target

fed53e67f7545f3e4518d3aa96c45ade7194821c3e9a748f210623e731a02843.exe
Size

4.8MB
MD5

c7c3c7a27cb8c60f944c6e33a8f3e078
SHA1

70639cbc29e0f88c58584cc76bc0ec695d157db5
SHA256

fed53e67f7545f3e4518d3aa96c45ade7194821c3e9a748f210623e731a02843
SHA512

ad8ba9e757b235c3ed12efbaf88ab9da430339cf7fc15e9f0747755b5dcab189c2dda1a128c40689505a7d9ace9dc615342cb8d01be39bac0074aded6a72fe8a
SSDEEP

98304:RVeM4VwHuokyfO8PGcx2HynIiprw0F80XZMfjt:XAVw+kx2SnIe84Cjt

Score

7^/10

bootkit discovery persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
1192	fed53e67f7545f3e4518d3aa96c45ade7194821c3e9a748f210623e731a02843.exe
1192	fed53e67f7545f3e4518d3aa96c45ade7194821c3e9a748f210623e731a02843.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	fed53e67f7545f3e4518d3aa96c45ade7194821c3e9a748f210623e731a02843.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LuDaShi\{259B2B51-28D1-4d27-B568-44313A059FBE}.tf	fed53e67f7545f3e4518d3aa96c45ade7194821c3e9a748f210623e731a02843.exe
File created	C:\Program Files (x86)\LuDaShi\{8C7D786B-9C60-43fa-B6C4-07C20577C161}.tmp\{F9BF15EA-BB34-44aa-B0C0-3E3C61FB7DA8}.tf	fed53e67f7545f3e4518d3aa96c45ade7194821c3e9a748f210623e731a02843.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2872	1192	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	fed53e67f7545f3e4518d3aa96c45ade7194821c3e9a748f210623e731a02843.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1192 wrote to memory of 2872	1192	fed53e67f7545f3e4518d3aa96c45ade7194821c3e9a748f210623e731a02843.exe	30
PID 1192 wrote to memory of 2872	1192	fed53e67f7545f3e4518d3aa96c45ade7194821c3e9a748f210623e731a02843.exe	30
PID 1192 wrote to memory of 2872	1192	fed53e67f7545f3e4518d3aa96c45ade7194821c3e9a748f210623e731a02843.exe	30
PID 1192 wrote to memory of 2872	1192	fed53e67f7545f3e4518d3aa96c45ade7194821c3e9a748f210623e731a02843.exe	30

C:\Users\Admin\AppData\Local\Temp\fed53e67f7545f3e4518d3aa96c45ade7194821c3e9a748f210623e731a02843.exe
"C:\Users\Admin\AppData\Local\Temp\fed53e67f7545f3e4518d3aa96c45ade7194821c3e9a748f210623e731a02843.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:1192
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1192 -s 572
  2⤵
  - Program crash
  PID:2872

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
978B

MD5
84c8b6c8bbe1e5d6f5f152c8dd1c29cc

SHA1
1d05bf47cc9109ec2eb2ccf0d49fe14276f9b716

SHA256
62ebcab9f8ede1e4dac67869fac8b8e8543ce71e12a405378b21ccb316f1adf0

SHA512
1c64220295e752f18d2c5ec2751e168cb066b6c860d60e745233635c3c9b031c02172d88a0a35424439b0fb5e882cdf83f111d7433867fa2863c4963ec3d86bf

Download Submit
\Users\Admin\AppData\Local\Temp\{5B5E5FC2-8C96-4f19-BC8E-0ADADEEA211B}.tmp\NetBridge.dll

Filesize
231KB

MD5
9d145902fb5b9a6da62ac85761434e31

SHA1
c817d77f59e3767d75cf5f5298d6b5711308f7e5

SHA256
98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

SHA512
bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9

Download Submit
\Users\Admin\AppData\Local\Temp\{5FC10173-7F5D-4a79-B1A3-A8466C61430B}.tmp\7z.dll

Filesize
1.1MB

MD5
2888126384d873cc49af32bbe34bb296

SHA1
fe74877bcaec93c7d67dab2ce8c86cfc38402d22

SHA256
aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

SHA512
f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a

Download Submit
memory/1192-39-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads