00fa5562d43953c50694c196fc088d9ce5be0ee34135689e2f600cc83e394a46

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-09-2024 15:51

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General

Target

00fa5562d43953c50694c196fc088d9ce5be0ee34135689e2f600cc83e394a46.exe
Size

4.8MB
MD5

3c12b9e4bcb45eed42fbef8eaa25c621
SHA1

797d76c175c62c11f329647c8bbd5535bd2cd994
SHA256

00fa5562d43953c50694c196fc088d9ce5be0ee34135689e2f600cc83e394a46
SHA512

aa0a4c2df0a383ffe44fca811bc1e5af14c63517b3894dd255894a0025c6a9b33bc3859efc4e9e02c589be95e1fd18a8b404116de0752033fc463f53d9db55b1
SSDEEP

98304:JVeM4VwHuokyfz8PGcx2HynIiprw0F80XZqPJ:/AVwDkx2SnIe84qPJ

Score

7^/10

bootkit discovery persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
1732	00fa5562d43953c50694c196fc088d9ce5be0ee34135689e2f600cc83e394a46.exe
1732	00fa5562d43953c50694c196fc088d9ce5be0ee34135689e2f600cc83e394a46.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	00fa5562d43953c50694c196fc088d9ce5be0ee34135689e2f600cc83e394a46.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LuDaShi\{77655777-7B19-4d1b-A343-A7CE00282D48}.tf	00fa5562d43953c50694c196fc088d9ce5be0ee34135689e2f600cc83e394a46.exe
File created	C:\Program Files (x86)\LuDaShi\{8475337F-5813-47bc-AF7A-94A4B71E5C2A}.tmp\{5C9A2BF1-54EE-4dff-AE92-12F885E4AB38}.tf	00fa5562d43953c50694c196fc088d9ce5be0ee34135689e2f600cc83e394a46.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2896	1732	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	00fa5562d43953c50694c196fc088d9ce5be0ee34135689e2f600cc83e394a46.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2896	1732	00fa5562d43953c50694c196fc088d9ce5be0ee34135689e2f600cc83e394a46.exe	30
PID 1732 wrote to memory of 2896	1732	00fa5562d43953c50694c196fc088d9ce5be0ee34135689e2f600cc83e394a46.exe	30
PID 1732 wrote to memory of 2896	1732	00fa5562d43953c50694c196fc088d9ce5be0ee34135689e2f600cc83e394a46.exe	30
PID 1732 wrote to memory of 2896	1732	00fa5562d43953c50694c196fc088d9ce5be0ee34135689e2f600cc83e394a46.exe	30

C:\Users\Admin\AppData\Local\Temp\00fa5562d43953c50694c196fc088d9ce5be0ee34135689e2f600cc83e394a46.exe
"C:\Users\Admin\AppData\Local\Temp\00fa5562d43953c50694c196fc088d9ce5be0ee34135689e2f600cc83e394a46.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:1732
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 720
  2⤵
  - Program crash
  PID:2896

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\{5DBF629C-041D-46be-8372-616496774F72}.tmp\NetBridge.dll

Filesize
231KB

MD5
9d145902fb5b9a6da62ac85761434e31

SHA1
c817d77f59e3767d75cf5f5298d6b5711308f7e5

SHA256
98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

SHA512
bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9

Download Submit
\Users\Admin\AppData\Local\Temp\{46043FB5-9EBB-4d6f-A938-D2794B5F3701}.tmp\7z.dll

Filesize
1.1MB

MD5
2888126384d873cc49af32bbe34bb296

SHA1
fe74877bcaec93c7d67dab2ce8c86cfc38402d22

SHA256
aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

SHA512
f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a

Download Submit
memory/1732-39-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads