a0d744ed6c8f6443b73f1d53e9354e6929c23c40969db33448f3e9d648da19f2

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-09-2024 14:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a0d744ed6c8f6443b73f1d53e9354e6929c23c40969db33448f3e9d648da19f2.exe
Size

4.8MB
MD5

acb47c8c749f6e19985d16543e1c2378
SHA1

4bce8a5ea55c806399d374d5461d4900ce02b1c8
SHA256

a0d744ed6c8f6443b73f1d53e9354e6929c23c40969db33448f3e9d648da19f2
SHA512

7320fa7b710780d2d585e2f8b07cb071c56d84ab06a866e2e25cc2e39170f18cd77cce02dee4cad813bceaa19a02c8eb3316ea2f9652adb301154186e84a200a
SSDEEP

98304:cVeM4VwHuokyfK8PGcx2HynIiprw0F80XZeGA:6AVw6kx2SnIe84eGA

Score

7^/10

bootkit discovery persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
1624	a0d744ed6c8f6443b73f1d53e9354e6929c23c40969db33448f3e9d648da19f2.exe
1624	a0d744ed6c8f6443b73f1d53e9354e6929c23c40969db33448f3e9d648da19f2.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	a0d744ed6c8f6443b73f1d53e9354e6929c23c40969db33448f3e9d648da19f2.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LuDaShi\{A670E2F1-112A-4b36-9B78-E7CA9A1DE65E}.tf	a0d744ed6c8f6443b73f1d53e9354e6929c23c40969db33448f3e9d648da19f2.exe
File created	C:\Program Files (x86)\LuDaShi\{11FC2EE1-4245-43bb-99AC-12869CFEE5CE}.tmp\{167B41DC-7B81-4ac9-A792-81B25C4C1A50}.tf	a0d744ed6c8f6443b73f1d53e9354e6929c23c40969db33448f3e9d648da19f2.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2412	1624	WerFault.exe	28

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	a0d744ed6c8f6443b73f1d53e9354e6929c23c40969db33448f3e9d648da19f2.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 2412	1624	a0d744ed6c8f6443b73f1d53e9354e6929c23c40969db33448f3e9d648da19f2.exe	29
PID 1624 wrote to memory of 2412	1624	a0d744ed6c8f6443b73f1d53e9354e6929c23c40969db33448f3e9d648da19f2.exe	29
PID 1624 wrote to memory of 2412	1624	a0d744ed6c8f6443b73f1d53e9354e6929c23c40969db33448f3e9d648da19f2.exe	29
PID 1624 wrote to memory of 2412	1624	a0d744ed6c8f6443b73f1d53e9354e6929c23c40969db33448f3e9d648da19f2.exe	29

C:\Users\Admin\AppData\Local\Temp\a0d744ed6c8f6443b73f1d53e9354e6929c23c40969db33448f3e9d648da19f2.exe
"C:\Users\Admin\AppData\Local\Temp\a0d744ed6c8f6443b73f1d53e9354e6929c23c40969db33448f3e9d648da19f2.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:1624
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 880
  2⤵
  - Program crash
  PID:2412

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\lds_setup.log

Filesize
978B

MD5
37133581741738bff48327faccab0ff2

SHA1
02997bbe31e3bdda0bf2328c79862fa41d74231c

SHA256
a4d1cc209ef06b095a30b7551085d789d1169ff8e71d4093bd2312c41272f491

SHA512
31ab4c0d25e2fb600497b1d96f777c39ae2d7ddeafd51831954db81f42e66b55b97dc5c18bbfd0e9956f8133287541eed6197a9e9973a5c6ed51f7ff558a2208

Download Submit
\Users\Admin\AppData\Local\Temp\{E5669D17-6B07-44d0-80AA-2700FED18D70}.tmp\NetBridge.dll

Filesize
231KB

MD5
9d145902fb5b9a6da62ac85761434e31

SHA1
c817d77f59e3767d75cf5f5298d6b5711308f7e5

SHA256
98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

SHA512
bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9

Download Submit
\Users\Admin\AppData\Local\Temp\{FEE59489-B157-4402-9653-CA8BCA9AF89C}.tmp\7z.dll

Filesize
1.1MB

MD5
2888126384d873cc49af32bbe34bb296

SHA1
fe74877bcaec93c7d67dab2ce8c86cfc38402d22

SHA256
aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

SHA512
f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a

Download Submit
memory/1624-39-0x0000000000870000-0x0000000000871000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads