Overview
overview
8Static
static
3fb71a9372f...18.exe
windows7-x64
8fb71a9372f...18.exe
windows10-2004-x64
8$_2_/Ad.exe
windows7-x64
1$_2_/Ad.exe
windows10-2004-x64
1$_2_/Downl...PS.dll
windows7-x64
1$_2_/Downl...PS.dll
windows10-2004-x64
1$_2_/QQVip...er.exe
windows7-x64
8$_2_/QQVip...er.exe
windows10-2004-x64
8$_2_/TXSSOSetup.exe
windows7-x64
7$_2_/TXSSOSetup.exe
windows10-2004-x64
7$_2_/Tencentdl.exe
windows7-x64
1$_2_/Tencentdl.exe
windows10-2004-x64
1$_2_/bugreport.exe
windows7-x64
1$_2_/bugreport.exe
windows10-2004-x64
$_2_/curllib.dll
windows7-x64
3$_2_/curllib.dll
windows10-2004-x64
3$_2_/dlcore.dll
windows7-x64
1$_2_/dlcore.dll
windows10-2004-x64
1$_2_/extract.dll
windows7-x64
1$_2_/extract.dll
windows10-2004-x64
1$_2_/tinyxml.dll
windows7-x64
3$_2_/tinyxml.dll
windows10-2004-x64
3$_2_/tnproxy.dll
windows7-x64
1$_2_/tnproxy.dll
windows10-2004-x64
1Analysis
-
max time kernel
122s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
19-04-2024 23:51
Static task
static1
Behavioral task
behavioral1
Sample
fb71a9372f7195356b87f195e68b534a_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
fb71a9372f7195356b87f195e68b534a_JaffaCakes118.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral3
Sample
$_2_/Ad.exe
Resource
win7-20240220-en
Behavioral task
behavioral4
Sample
$_2_/Ad.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral5
Sample
$_2_/DownloadProxyPS.dll
Resource
win7-20240215-en
Behavioral task
behavioral6
Sample
$_2_/DownloadProxyPS.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral7
Sample
$_2_/QQVipDownloader.exe
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$_2_/QQVipDownloader.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral9
Sample
$_2_/TXSSOSetup.exe
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
$_2_/TXSSOSetup.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral11
Sample
$_2_/Tencentdl.exe
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
$_2_/Tencentdl.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral13
Sample
$_2_/bugreport.exe
Resource
win7-20240215-en
Behavioral task
behavioral14
Sample
$_2_/bugreport.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral15
Sample
$_2_/curllib.dll
Resource
win7-20231129-en
Behavioral task
behavioral16
Sample
$_2_/curllib.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral17
Sample
$_2_/dlcore.dll
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
$_2_/dlcore.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral19
Sample
$_2_/extract.dll
Resource
win7-20231129-en
Behavioral task
behavioral20
Sample
$_2_/extract.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral21
Sample
$_2_/tinyxml.dll
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
$_2_/tinyxml.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral23
Sample
$_2_/tnproxy.dll
Resource
win7-20240221-en
Behavioral task
behavioral24
Sample
$_2_/tnproxy.dll
Resource
win10v2004-20240412-en
General
-
Target
$_2_/DownloadProxyPS.dll
-
Size
67KB
-
MD5
9c629978377e3edc8d0b001115f93eec
-
SHA1
c563aad2e04b0e69b3ceeb722f7f7e85dd3cb410
-
SHA256
1ce25ffc0d8671f5c44573ec190533860cc3bec823d2dcfaf4548a0bd76add50
-
SHA512
34cb1eafd31385094bc0f2f03da80fb94662a7a966dff7f9be974b5e850e2c588e82546edfaf244b7f20046fd63421495b7a429d50184d074b83208d86dcd619
-
SSDEEP
768:A1fVSO9ZV/algl30jcuPv114iNpdVtAcpg5n:OAOkeEcuXVN9tVpgF
Malware Config
Signatures
-
Modifies registry class 31 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B9E49847-9822-4139-BC55-7173ED1ADA11} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{28D341BF-13DD-457E-BAFB-D3FC0C442CA4}\ProxyStubClsid32\ = "{B9E49847-9822-4139-BC55-7173ED1ADA11}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B9E49847-9822-4139-BC55-7173ED1ADA11}\ProxyStubClsid32\ = "{B9E49847-9822-4139-BC55-7173ED1ADA11}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6B3732AA-F6D4-4F16-9E22-49EDC52C9514}\ProxyStubClsid32\ = "{B9E49847-9822-4139-BC55-7173ED1ADA11}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B9E49847-9822-4139-BC55-7173ED1ADA11}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B9E49847-9822-4139-BC55-7173ED1ADA11}\ = "IDownloader_3" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7044CE4B-FE34-4DD1-A0FA-157E1E179ECA}\ProxyStubClsid32\ = "{B9E49847-9822-4139-BC55-7173ED1ADA11}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7044CE4B-FE34-4DD1-A0FA-157E1E179ECA}\NumMethods\ = "15" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6B3732AA-F6D4-4F16-9E22-49EDC52C9514}\NumMethods\ = "6" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B9E49847-9822-4139-BC55-7173ED1ADA11}\InProcServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B9E49847-9822-4139-BC55-7173ED1ADA11}\InProcServer32\ThreadingModel = "Both" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7044CE4B-FE34-4DD1-A0FA-157E1E179ECA}\NumMethods regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6B3732AA-F6D4-4F16-9E22-49EDC52C9514} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7044CE4B-FE34-4DD1-A0FA-157E1E179ECA}\ = "IDownloader" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6B3732AA-F6D4-4F16-9E22-49EDC52C9514}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{28D341BF-13DD-457E-BAFB-D3FC0C442CA4}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{28D341BF-13DD-457E-BAFB-D3FC0C442CA4}\NumMethods\ = "7" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B9E49847-9822-4139-BC55-7173ED1ADA11}\ = "PSFactoryBuffer" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B9E49847-9822-4139-BC55-7173ED1ADA11}\NumMethods\ = "4" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7044CE4B-FE34-4DD1-A0FA-157E1E179ECA} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7044CE4B-FE34-4DD1-A0FA-157E1E179ECA}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6B3732AA-F6D4-4F16-9E22-49EDC52C9514}\ = "IDownloader_2" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{28D341BF-13DD-457E-BAFB-D3FC0C442CA4} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B9E49847-9822-4139-BC55-7173ED1ADA11}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$_2_\\DownloadProxyPS.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6B3732AA-F6D4-4F16-9E22-49EDC52C9514}\NumMethods regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{28D341BF-13DD-457E-BAFB-D3FC0C442CA4}\NumMethods regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B9E49847-9822-4139-BC55-7173ED1ADA11} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B9E49847-9822-4139-BC55-7173ED1ADA11}\NumMethods regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{28D341BF-13DD-457E-BAFB-D3FC0C442CA4}\ = "IDownloader_4" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
regsvr32.exedescription pid process target process PID 2220 wrote to memory of 2300 2220 regsvr32.exe regsvr32.exe PID 2220 wrote to memory of 2300 2220 regsvr32.exe regsvr32.exe PID 2220 wrote to memory of 2300 2220 regsvr32.exe regsvr32.exe PID 2220 wrote to memory of 2300 2220 regsvr32.exe regsvr32.exe PID 2220 wrote to memory of 2300 2220 regsvr32.exe regsvr32.exe PID 2220 wrote to memory of 2300 2220 regsvr32.exe regsvr32.exe PID 2220 wrote to memory of 2300 2220 regsvr32.exe regsvr32.exe