0fc98e66bbd78aeeb387df346534de254db03d464973732bf0631f7a894f5a0a

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 06:06

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General

Target

0fc98e66bbd78aeeb387df346534de254db03d464973732bf0631f7a894f5a0a.exe
Size

4.8MB
MD5

944f1594596594e664b443465752e946
SHA1

d0a4e646676dd826e32f9eb9eecabfbc67ccf4c7
SHA256

0fc98e66bbd78aeeb387df346534de254db03d464973732bf0631f7a894f5a0a
SHA512

539110f15e5d657719adc0cfe0ab066a5db7b89237ce34b641700158f1fc80285f74303f8a76210314b6af49056a08fa7573fd73575e7d3deab5f1bdadb072cd
SSDEEP

98304:AVeM4VwHuokyfn8PGcx2HynIiprw0F80XZrL2o:mAVw3kx2SnIe84X2o

Score

7^/10

bootkit discovery persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
2848	0fc98e66bbd78aeeb387df346534de254db03d464973732bf0631f7a894f5a0a.exe
2848	0fc98e66bbd78aeeb387df346534de254db03d464973732bf0631f7a894f5a0a.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	0fc98e66bbd78aeeb387df346534de254db03d464973732bf0631f7a894f5a0a.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LuDaShi\{FAE72717-102E-4887-AF52-59084A9D8205}.tf	0fc98e66bbd78aeeb387df346534de254db03d464973732bf0631f7a894f5a0a.exe
File created	C:\Program Files (x86)\LuDaShi\{7A1389BA-1AB6-4cd4-979B-3AB66D85DFAC}.tmp\{71454D9C-603D-4589-AAFF-23C4F2EC39D2}.tf	0fc98e66bbd78aeeb387df346534de254db03d464973732bf0631f7a894f5a0a.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
320	2848	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	0fc98e66bbd78aeeb387df346534de254db03d464973732bf0631f7a894f5a0a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 320	2848	0fc98e66bbd78aeeb387df346534de254db03d464973732bf0631f7a894f5a0a.exe	30
PID 2848 wrote to memory of 320	2848	0fc98e66bbd78aeeb387df346534de254db03d464973732bf0631f7a894f5a0a.exe	30
PID 2848 wrote to memory of 320	2848	0fc98e66bbd78aeeb387df346534de254db03d464973732bf0631f7a894f5a0a.exe	30
PID 2848 wrote to memory of 320	2848	0fc98e66bbd78aeeb387df346534de254db03d464973732bf0631f7a894f5a0a.exe	30

C:\Users\Admin\AppData\Local\Temp\0fc98e66bbd78aeeb387df346534de254db03d464973732bf0631f7a894f5a0a.exe
"C:\Users\Admin\AppData\Local\Temp\0fc98e66bbd78aeeb387df346534de254db03d464973732bf0631f7a894f5a0a.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:2848
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2848 -s 844
  2⤵
  - Program crash
  PID:320

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
2a0d8faa039cf4d36f55273f86d5af90

SHA1
91ce34b7308bdd9077a844810b8152a9c85049b0

SHA256
7945b382bab5700d937e10bbef0306a4de6f22172ca40b36a0272a37057bcfb3

SHA512
cf40082a6bb4f67910149c5fd44907893972f8305015dcd2026939a842743a67c6b9f21c5f0ba76de9f85c3e954f3634512773a0e71783ed7027ca7418ad2bb1

Download Submit
\Users\Admin\AppData\Local\Temp\{AC0EF1B3-18EE-4772-8799-3E51ECA6C40E}.tmp\NetBridge.dll

Filesize
231KB

MD5
9d145902fb5b9a6da62ac85761434e31

SHA1
c817d77f59e3767d75cf5f5298d6b5711308f7e5

SHA256
98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

SHA512
bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9

Download Submit
\Users\Admin\AppData\Local\Temp\{CC3C8D8D-9A8D-4178-B34E-463825D2D836}.tmp\7z.dll

Filesize
1.1MB

MD5
2888126384d873cc49af32bbe34bb296

SHA1
fe74877bcaec93c7d67dab2ce8c86cfc38402d22

SHA256
aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

SHA512
f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a

Download Submit
memory/2848-40-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads