9dba71b7179a6e79dfccff28cae7728ddbff61f29c70b4b09b4fe678724a8284

Analysis

max time kernel
9s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/09/2024, 14:32

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General

Target

9dba71b7179a6e79dfccff28cae7728ddbff61f29c70b4b09b4fe678724a8284.exe
Size

4.8MB
MD5

a07d9bd25eec068df155fde46c80e47e
SHA1

b1a7666ab985e012d82fa4e3c88b6a38ad7bc27d
SHA256

9dba71b7179a6e79dfccff28cae7728ddbff61f29c70b4b09b4fe678724a8284
SHA512

d6692a634a45678d3db2eca141284a224a2fefa28cca0438ef8581a8da2fd799c7e8c3bdb56e8bc83fa1845d6d67b59974958f2e418d0e8ebeb5a921e46de7ab
SSDEEP

98304:cVeM4VwHuokyfK8PGcx2HynIiprw0F80XZeGN:6AVw6kx2SnIe84eGN

Score

7^/10

bootkit discovery persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
2876	9dba71b7179a6e79dfccff28cae7728ddbff61f29c70b4b09b4fe678724a8284.exe
2876	9dba71b7179a6e79dfccff28cae7728ddbff61f29c70b4b09b4fe678724a8284.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	9dba71b7179a6e79dfccff28cae7728ddbff61f29c70b4b09b4fe678724a8284.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LuDaShi\{B7A66A58-CE4C-46ec-B58F-42C2034F62DE}.tf	9dba71b7179a6e79dfccff28cae7728ddbff61f29c70b4b09b4fe678724a8284.exe
File created	C:\Program Files (x86)\LuDaShi\{3E099EC6-8236-4edf-B6BD-87924C45719D}.tmp\{DEA23B4F-EB04-4d37-8A72-C6DD51552E99}.tf	9dba71b7179a6e79dfccff28cae7728ddbff61f29c70b4b09b4fe678724a8284.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2724	2876	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	9dba71b7179a6e79dfccff28cae7728ddbff61f29c70b4b09b4fe678724a8284.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 2724	2876	9dba71b7179a6e79dfccff28cae7728ddbff61f29c70b4b09b4fe678724a8284.exe	30
PID 2876 wrote to memory of 2724	2876	9dba71b7179a6e79dfccff28cae7728ddbff61f29c70b4b09b4fe678724a8284.exe	30
PID 2876 wrote to memory of 2724	2876	9dba71b7179a6e79dfccff28cae7728ddbff61f29c70b4b09b4fe678724a8284.exe	30
PID 2876 wrote to memory of 2724	2876	9dba71b7179a6e79dfccff28cae7728ddbff61f29c70b4b09b4fe678724a8284.exe	30

C:\Users\Admin\AppData\Local\Temp\9dba71b7179a6e79dfccff28cae7728ddbff61f29c70b4b09b4fe678724a8284.exe
"C:\Users\Admin\AppData\Local\Temp\9dba71b7179a6e79dfccff28cae7728ddbff61f29c70b4b09b4fe678724a8284.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:2876
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2876 -s 832
  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
978B

MD5
da8bd1d1c0989a3b9bb6492726a153f5

SHA1
d4c4f091f04062443a73c26737d2d7a9ed11c597

SHA256
1524ef6587e650e58d2797d9038a2e5fa00e53e56f1e70b0e0f8f9a963560b4d

SHA512
7fe056bcf7ff49921fe6fd6f5f31eee000267f1f1664a8b559e84369fedc3c5da7997b47f4678acbc9f1e81b29a29c4f7e6be8b64b641f3507ac089953fa5c2d

Download Submit
\Users\Admin\AppData\Local\Temp\{146FB54D-C14D-43e2-9712-0DAE1713E523}.tmp\NetBridge.dll

Filesize
231KB

MD5
9d145902fb5b9a6da62ac85761434e31

SHA1
c817d77f59e3767d75cf5f5298d6b5711308f7e5

SHA256
98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

SHA512
bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9

Download Submit
\Users\Admin\AppData\Local\Temp\{5C367A95-6C64-4824-A193-7E8BAB7ADC98}.tmp\7z.dll

Filesize
1.1MB

MD5
2888126384d873cc49af32bbe34bb296

SHA1
fe74877bcaec93c7d67dab2ce8c86cfc38402d22

SHA256
aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

SHA512
f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a

Download Submit
memory/2876-39-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads