cc9e40dc956bbe963b9dfcaf85eb6f18a64d6564d79c00467d9ed75b5cc9c53a

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/11/2024, 09:36

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General

Target

cc9e40dc956bbe963b9dfcaf85eb6f18a64d6564d79c00467d9ed75b5cc9c53a.exe
Size

4.8MB
MD5

cf43395f318b63cc3562d133c7721cd7
SHA1

28c25e976deed8fcc3845c4e20a5bf3d7d59e248
SHA256

cc9e40dc956bbe963b9dfcaf85eb6f18a64d6564d79c00467d9ed75b5cc9c53a
SHA512

4ffd492c979b3969f0b6c9d1e85c33aec014fa62f653b47a7970f863af68995ffe94e33b7d1dd9ce6b435e1114237fad439a816de45d838e4b0f0aefe8b2f5eb
SSDEEP

98304:oVeM4VwHuokyfs8PGcx2HynIiprw0F80XZGyS:+AVw8kx2SnIe84GyS

Score

7^/10

bootkit discovery persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
3000	cc9e40dc956bbe963b9dfcaf85eb6f18a64d6564d79c00467d9ed75b5cc9c53a.exe
3000	cc9e40dc956bbe963b9dfcaf85eb6f18a64d6564d79c00467d9ed75b5cc9c53a.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	cc9e40dc956bbe963b9dfcaf85eb6f18a64d6564d79c00467d9ed75b5cc9c53a.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LuDaShi\{0DF3A1A6-EAD6-43bd-948C-947EFC54D1B2}.tf	cc9e40dc956bbe963b9dfcaf85eb6f18a64d6564d79c00467d9ed75b5cc9c53a.exe
File created	C:\Program Files (x86)\LuDaShi\{BE1CB0B9-30B3-459d-AD42-4175795CD8DF}.tmp\{C5B3FEA5-6411-44f4-BBC5-47C792ED903C}.tf	cc9e40dc956bbe963b9dfcaf85eb6f18a64d6564d79c00467d9ed75b5cc9c53a.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2788	3000	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	cc9e40dc956bbe963b9dfcaf85eb6f18a64d6564d79c00467d9ed75b5cc9c53a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2788	3000	cc9e40dc956bbe963b9dfcaf85eb6f18a64d6564d79c00467d9ed75b5cc9c53a.exe	30
PID 3000 wrote to memory of 2788	3000	cc9e40dc956bbe963b9dfcaf85eb6f18a64d6564d79c00467d9ed75b5cc9c53a.exe	30
PID 3000 wrote to memory of 2788	3000	cc9e40dc956bbe963b9dfcaf85eb6f18a64d6564d79c00467d9ed75b5cc9c53a.exe	30
PID 3000 wrote to memory of 2788	3000	cc9e40dc956bbe963b9dfcaf85eb6f18a64d6564d79c00467d9ed75b5cc9c53a.exe	30

C:\Users\Admin\AppData\Local\Temp\cc9e40dc956bbe963b9dfcaf85eb6f18a64d6564d79c00467d9ed75b5cc9c53a.exe
"C:\Users\Admin\AppData\Local\Temp\cc9e40dc956bbe963b9dfcaf85eb6f18a64d6564d79c00467d9ed75b5cc9c53a.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:3000
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3000 -s 872
  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\lds_setup.log

Filesize
978B

MD5
7b0ce50ebf143dc66be4bd68505ca099

SHA1
4b5f68b824aaa0ea98b7fa7f5829e010e4fdc1d0

SHA256
ddc68b6db2eb279da82809d73ddd7c9b2a86145d0a92054ee9fa21157b110c7f

SHA512
d63be4f3187ac3e6842bd351abecc8915c7820a4c7356e77402d990d41406d177da99054bc89d9f1ddadb280a73087d7e3c230dcf7121bbc3e20ca6c268a4f34

Download Submit
\Users\Admin\AppData\Local\Temp\{153CE1AE-97CE-4aed-AFED-59AFDB68475D}.tmp\NetBridge.dll

Filesize
231KB

MD5
9d145902fb5b9a6da62ac85761434e31

SHA1
c817d77f59e3767d75cf5f5298d6b5711308f7e5

SHA256
98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

SHA512
bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9

Download Submit
\Users\Admin\AppData\Local\Temp\{A849B44D-23BC-4a94-8AE8-F1E79E5D0057}.tmp\7z.dll

Filesize
1.1MB

MD5
2888126384d873cc49af32bbe34bb296

SHA1
fe74877bcaec93c7d67dab2ce8c86cfc38402d22

SHA256
aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

SHA512
f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a

Download Submit
memory/3000-40-0x00000000026C0000-0x00000000026C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads