b06987194a849936d0885a100c887ae573b294a6ec14ec2491cf8de620bd25c4

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
11/08/2024, 00:11

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General

Target

b06987194a849936d0885a100c887ae573b294a6ec14ec2491cf8de620bd25c4.exe
Size

4.8MB
MD5

18ca9be538a56e51b1b745fd2c7dd684
SHA1

01dee4a4c3a253870e007a2db190958610f3cc23
SHA256

b06987194a849936d0885a100c887ae573b294a6ec14ec2491cf8de620bd25c4
SHA512

47513e3eb24958b71710825ee128a793352bb5bf228e0a24f8890715565e1b67852e0901dd40dbda613d25a76be391965115c767604e39f03ed5c5c48f5081df
SSDEEP

98304:FVeM4VwHuokyf28PGcx2HynIiprw0F80XZZb2:zAVwGkx2SnIe84Zb2

Score

7^/10

bootkit discovery persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
1840	b06987194a849936d0885a100c887ae573b294a6ec14ec2491cf8de620bd25c4.exe
1840	b06987194a849936d0885a100c887ae573b294a6ec14ec2491cf8de620bd25c4.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	b06987194a849936d0885a100c887ae573b294a6ec14ec2491cf8de620bd25c4.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LuDaShi\{A4695DAE-7FC2-43ab-851F-6A5BF959C0E0}.tf	b06987194a849936d0885a100c887ae573b294a6ec14ec2491cf8de620bd25c4.exe
File created	C:\Program Files (x86)\LuDaShi\{50DD8DB2-C3D0-46e8-9ED2-4D5A812939A5}.tmp\{296DAD26-7568-401f-BE35-5D1CC7EDC3DB}.tf	b06987194a849936d0885a100c887ae573b294a6ec14ec2491cf8de620bd25c4.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2808	1840	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	b06987194a849936d0885a100c887ae573b294a6ec14ec2491cf8de620bd25c4.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1840 wrote to memory of 2808	1840	b06987194a849936d0885a100c887ae573b294a6ec14ec2491cf8de620bd25c4.exe	31
PID 1840 wrote to memory of 2808	1840	b06987194a849936d0885a100c887ae573b294a6ec14ec2491cf8de620bd25c4.exe	31
PID 1840 wrote to memory of 2808	1840	b06987194a849936d0885a100c887ae573b294a6ec14ec2491cf8de620bd25c4.exe	31
PID 1840 wrote to memory of 2808	1840	b06987194a849936d0885a100c887ae573b294a6ec14ec2491cf8de620bd25c4.exe	31

C:\Users\Admin\AppData\Local\Temp\b06987194a849936d0885a100c887ae573b294a6ec14ec2491cf8de620bd25c4.exe
"C:\Users\Admin\AppData\Local\Temp\b06987194a849936d0885a100c887ae573b294a6ec14ec2491cf8de620bd25c4.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:1840
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1840 -s 932
  2⤵
  - Program crash
  PID:2808

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
d2db07b8065d281239d3b3929c8dffe5

SHA1
bcc01b9a14bf65d6fade0d7ff059fd15719a5a96

SHA256
f650cf51f98137a73035a9c9a69f1599dc5d6955d8ceb0a52fb0697816ca9749

SHA512
7e78199c2dfb476c4dbd6f11e573222cac6c790a1e28f8b7d4e2b3d7f4cb54e774d2e0f58f439500e2bf8fd03dd19e75116c172a80632703e85c353430a5af6a

Download Submit
\Users\Admin\AppData\Local\Temp\{4D64CBC9-17DD-47bc-9551-EC714CF8299E}.tmp\7z.dll

Filesize
1.1MB

MD5
2888126384d873cc49af32bbe34bb296

SHA1
fe74877bcaec93c7d67dab2ce8c86cfc38402d22

SHA256
aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

SHA512
f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a

Download Submit
\Users\Admin\AppData\Local\Temp\{B7FC71E4-B5DE-49c0-BC27-8FDFD628D75B}.tmp\NetBridge.dll

Filesize
231KB

MD5
9d145902fb5b9a6da62ac85761434e31

SHA1
c817d77f59e3767d75cf5f5298d6b5711308f7e5

SHA256
98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

SHA512
bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9

Download Submit
memory/1840-39-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads