6ef94526277cbd63b6f7d51fe802750efe323dea5bfcf743766d946c282e03fd

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-09-2024 00:09

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General

Target

PaiPai/PaiPai.exe
Size

1.6MB
MD5

34672bfad67a4ee5fcd8f6812fbf10ec
SHA1

95af609433e9da2f02cd9a5cfda168811d35d93a
SHA256

fd16419c2625b7f4983acad53ae11c73d4a7d204c9f9867f10973e72cf0d8609
SHA512

3df15be81f846b00de6c3dde2b533b0a3ac40981515e583d0fd51fbdbe103addd3fcfe03d9ed79c099b387a962b471194f2236dfebe4cfe486c13d1a38a90085
SSDEEP

24576:QahSQ2mX/GG5dDHm8DUpxCkSyTfo6slgs8s6slg4sRsnw+DWbDPa+DWrrDPiI3sG:Qcpq8mCkSsIBjerHEe/Ruke7Ucn

Score

6^/10

bootkit discovery persistence

Malware Config

Signatures

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	PaiPai.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	PaiPai.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Main	PaiPai.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	PaiPai.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	PaiPai.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2160	PaiPai.exe
2160	PaiPai.exe
2160	PaiPai.exe
2160	PaiPai.exe
2160	PaiPai.exe
2160	PaiPai.exe
2160	PaiPai.exe
2160	PaiPai.exe
2160	PaiPai.exe
2160	PaiPai.exe

C:\Users\Admin\AppData\Local\Temp\PaiPai\PaiPai.exe
"C:\Users\Admin\AppData\Local\Temp\PaiPai\PaiPai.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

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\PaiPai\Config.ini

Filesize
576B

MD5
8597f6da3de01487554169dab6aa34a2

SHA1
fd58f10173c854fd889e8de0b4890df570a0f132

SHA256
d2b1484a4f52a22ee22bb19d08087ffd56bd907cd7139024b2e9a58125eae308

SHA512
5e9cfed83131b776b691c5b68f9655abb6d182037aaa1cbb380223e2dfaac022a4c61ba98a0803ea1003fbbc0790cf75074be4723da08dff4f2f7ccb9fb5731f

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C:\Users\Admin\AppData\Local\Temp\PaiPai\Config.ini

Filesize
682B

MD5
f3a71dcdb647653f8df29033ce7248db

SHA1
ce3a2aeecd681732d03a1f6b31a4aea70759d337

SHA256
f429dc217cd24469b4e3d7f2788ea9f3c802a3550893ac5a78e81e81d970df22

SHA512
cad860545de3e7f4f968b6c7d6fd3898aa394b7e112d171558579bed108e5f2670a50ea9844734dc144837efc90b56bfb7a35b0a4b922632c7a8764bfbd8caa0

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C:\Users\Admin\AppData\Local\Temp\PaiPai\Config.ini

Filesize
450B

MD5
0f8cba40cc0591cf5c2029a317699a3b

SHA1
fc928f2b46d93cc278e34ba15d6687d1eaad3d25

SHA256
560be65bac8b41694c8fcf1761e490cb63cd7c543e1076f9cbd2108ececcdbdf

SHA512
f1126c5115eb283bfb4959ace5f51867ec77977783bfcdd7e88dc5f8bd9f1ecc6dccf794639042a48e5f40746364d5230344dff0debb06d8cd7b4b2635be0250

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C:\Users\Admin\AppData\Local\Temp\PaiPai\Config.ini

Filesize
790B

MD5
d780b69d18c952f0ef32ca8d1fab8b1b

SHA1
0002f5b745b4a6970e74bde1510f74674f4a93fe

SHA256
f3156e91fe392d1142535f72fb63beb39e1d03f437f9e6faa9d2221b24788a8f

SHA512
a9e158c87d9bab23d8637814aefba094e6cfdef79a65cd19e32d49a44025f7062a59c265cf7743d5f2e9da82cae3195ea9bbb8b524fb5b48b9a7fb3d2eeddcdc

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads