9ec976ce93a4e4613b08df8bbc6bb4d4095edbd6016bb9773145178e7a9d94bd

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
10-10-2023 09:10

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General

Target

9ec976ce93a4e4613b08df8bbc6bb4d4095edbd6016bb9773145178e7a9d94bd.exe
Size

4.8MB
MD5

89da5ceb1e8e05b59eaab22358fb8838
SHA1

46f62a8b92a618534e958b8431ea121e7f7e59fb
SHA256

9ec976ce93a4e4613b08df8bbc6bb4d4095edbd6016bb9773145178e7a9d94bd
SHA512

2394b54ff2e1a24805e67186c528e3d82e32223c34f62fa4ad98226c98a02a1b8f744a37f8b1f163f212d340969628377c9614da4db27f8e2f874062d644df79
SSDEEP

98304:DIdfiKLegiKBVPG5o28N15nMApRENOJtS1Xhv6:4jLdz28N1oISjv6

Score

7^/10

bootkit discovery persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
3052	9ec976ce93a4e4613b08df8bbc6bb4d4095edbd6016bb9773145178e7a9d94bd.exe
3052	9ec976ce93a4e4613b08df8bbc6bb4d4095edbd6016bb9773145178e7a9d94bd.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	9ec976ce93a4e4613b08df8bbc6bb4d4095edbd6016bb9773145178e7a9d94bd.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LuDaShi\{E7E87967-1676-4fd0-A281-5EC77EC90DF8}.tf	9ec976ce93a4e4613b08df8bbc6bb4d4095edbd6016bb9773145178e7a9d94bd.exe
File created	C:\Program Files (x86)\LuDaShi\{077CACB8-AFB6-47d2-9AE0-39B850CBFCC9}.tmp\{5E54682E-3F03-40a8-889C-B8F5218724E3}.tf	9ec976ce93a4e4613b08df8bbc6bb4d4095edbd6016bb9773145178e7a9d94bd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1960	3052	WerFault.exe	27

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 1960	3052	9ec976ce93a4e4613b08df8bbc6bb4d4095edbd6016bb9773145178e7a9d94bd.exe	28
PID 3052 wrote to memory of 1960	3052	9ec976ce93a4e4613b08df8bbc6bb4d4095edbd6016bb9773145178e7a9d94bd.exe	28
PID 3052 wrote to memory of 1960	3052	9ec976ce93a4e4613b08df8bbc6bb4d4095edbd6016bb9773145178e7a9d94bd.exe	28
PID 3052 wrote to memory of 1960	3052	9ec976ce93a4e4613b08df8bbc6bb4d4095edbd6016bb9773145178e7a9d94bd.exe	28

C:\Users\Admin\AppData\Local\Temp\9ec976ce93a4e4613b08df8bbc6bb4d4095edbd6016bb9773145178e7a9d94bd.exe
"C:\Users\Admin\AppData\Local\Temp\9ec976ce93a4e4613b08df8bbc6bb4d4095edbd6016bb9773145178e7a9d94bd.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3052 -s 996
  2⤵
  - Program crash
  PID:1960

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\{8F6FD00C-DF5D-4fa2-ABD4-81FEFF8E2AAD}.tmp\NetBridge.dll

Filesize
238KB

MD5
8786d469338c30e0ba9fedfc62bd5197

SHA1
5fb12028ceae9772f938e1b98b699f0e02e32718

SHA256
beeaf8b72f7008e9adabacfcd85e32a50747a0dfb5c86802aeb973bd1f5c3d2f

SHA512
5db1e5b78e62cda81a63e8e712e720f87a7c7a539237a55a9098c076f9fb4e0b5adb83383c23657b4ccc90c117e55e3946a399cdf3d15cb94444b203d9d6c45c

Download Submit
\Users\Admin\AppData\Local\Temp\{7A03C2B8-09ED-4a4f-9BF0-5FED3986ADD6}.tmp\7z.dll

Filesize
1.1MB

MD5
2706693dda10c6cc79eed24c56d4e5ef

SHA1
4f34ef1bd49273a0d260b9dab15c73eb0ccb6383

SHA256
0edad8a1af22d5b97c1f324791c86243a6ecce7b5a9d2f30415af99aba9129c3

SHA512
7e7f7ae894528587ba33b6e10999549bb9a2ec2748b5662fa1b8806e5f4ce33af47507b3ef2954f2747a76b5b7c775c1cd671061f577c5016d1f8ba165bbe21c

Download Submit
\Users\Admin\AppData\Local\Temp\{8F6FD00C-DF5D-4fa2-ABD4-81FEFF8E2AAD}.tmp\NetBridge.dll

Filesize
238KB

MD5
8786d469338c30e0ba9fedfc62bd5197

SHA1
5fb12028ceae9772f938e1b98b699f0e02e32718

SHA256
beeaf8b72f7008e9adabacfcd85e32a50747a0dfb5c86802aeb973bd1f5c3d2f

SHA512
5db1e5b78e62cda81a63e8e712e720f87a7c7a539237a55a9098c076f9fb4e0b5adb83383c23657b4ccc90c117e55e3946a399cdf3d15cb94444b203d9d6c45c

Download Submit
memory/3052-27-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads