d188dad5ed9a7a6f3f08dc4b33a29c55ffe9f95a22573dbfea7c1c6df7280725

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/09/2024, 18:34

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General

Target

d188dad5ed9a7a6f3f08dc4b33a29c55ffe9f95a22573dbfea7c1c6df7280725.exe
Size

4.8MB
MD5

cea16d83b6557db72fb814a710516f9f
SHA1

b139ebfb0c4d881bf9d2ef4b8d6dd6e863ccb0c8
SHA256

d188dad5ed9a7a6f3f08dc4b33a29c55ffe9f95a22573dbfea7c1c6df7280725
SHA512

fa41a3fc340098421748ffe15d5d4ada63d98f2c918f165ff03ab17213aa617823c2644be13ec22b621c2067460fb479560a469419ac718ef20093286b8ccd6e
SSDEEP

98304:TVeM4VwHuokyfO8PGcx2HynIiprw0F80XZ/KgZ:5AVw+kx2SnIe84CgZ

Score

7^/10

bootkit discovery persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
2288	d188dad5ed9a7a6f3f08dc4b33a29c55ffe9f95a22573dbfea7c1c6df7280725.exe
2288	d188dad5ed9a7a6f3f08dc4b33a29c55ffe9f95a22573dbfea7c1c6df7280725.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	d188dad5ed9a7a6f3f08dc4b33a29c55ffe9f95a22573dbfea7c1c6df7280725.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LuDaShi\{2A900392-B9AB-484f-A958-84FADE35BCF7}.tmp\{0DCBB2A3-B100-49eb-82B7-9A7CB9995BEE}.tf	d188dad5ed9a7a6f3f08dc4b33a29c55ffe9f95a22573dbfea7c1c6df7280725.exe
File created	C:\Program Files (x86)\LuDaShi\{66CF9F7E-82B7-455e-8F7E-509C027B6796}.tf	d188dad5ed9a7a6f3f08dc4b33a29c55ffe9f95a22573dbfea7c1c6df7280725.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1696	2288	WerFault.exe	27

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	d188dad5ed9a7a6f3f08dc4b33a29c55ffe9f95a22573dbfea7c1c6df7280725.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 1696	2288	d188dad5ed9a7a6f3f08dc4b33a29c55ffe9f95a22573dbfea7c1c6df7280725.exe	28
PID 2288 wrote to memory of 1696	2288	d188dad5ed9a7a6f3f08dc4b33a29c55ffe9f95a22573dbfea7c1c6df7280725.exe	28
PID 2288 wrote to memory of 1696	2288	d188dad5ed9a7a6f3f08dc4b33a29c55ffe9f95a22573dbfea7c1c6df7280725.exe	28
PID 2288 wrote to memory of 1696	2288	d188dad5ed9a7a6f3f08dc4b33a29c55ffe9f95a22573dbfea7c1c6df7280725.exe	28

C:\Users\Admin\AppData\Local\Temp\d188dad5ed9a7a6f3f08dc4b33a29c55ffe9f95a22573dbfea7c1c6df7280725.exe
"C:\Users\Admin\AppData\Local\Temp\d188dad5ed9a7a6f3f08dc4b33a29c55ffe9f95a22573dbfea7c1c6df7280725.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:2288
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 800
  2⤵
  - Program crash
  PID:1696

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
912B

MD5
b02a745e7b4aa0cdffc7814d27e5181e

SHA1
4d6aa12f30c1adb17eeda2aeec3b2dd6c259317b

SHA256
99610b1e8a748c39a7664bf25178c1c59f76e28fa004b5fa4cf77cbb7bc29909

SHA512
2515261d72bc9f7c96ed4723e03c6062f29297913978ba35688bdf75a8fdd8f953b2367f967f5fb068d8089b9927ad63d0ffc73744aadbecadfbcb0b97bac2dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\{A4103B5C-8A55-4e8c-877A-CFEE3ADEAC25}.tmp\NetBridge.dll

Filesize
231KB

MD5
9d145902fb5b9a6da62ac85761434e31

SHA1
c817d77f59e3767d75cf5f5298d6b5711308f7e5

SHA256
98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

SHA512
bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9

Download Submit
\Users\Admin\AppData\Local\Temp\{64487BE1-1436-4c85-B247-5787219BD56F}.tmp\7z.dll

Filesize
1.1MB

MD5
2888126384d873cc49af32bbe34bb296

SHA1
fe74877bcaec93c7d67dab2ce8c86cfc38402d22

SHA256
aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

SHA512
f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a

Download Submit
memory/2288-40-0x0000000000700000-0x0000000000701000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads