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Overview
overview
10Static
static
10WeChatSetup.exe
windows7-x64
4WeChatSetup.exe
windows10-2004-x64
4$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...ll.dll
windows7-x64
1$PLUGINSDI...ll.dll
windows10-2004-x64
1$PLUGINSDI...st.dll
windows7-x64
3$PLUGINSDI...st.dll
windows10-2004-x64
3Uninstall.exe
windows7-x64
4Uninstall.exe
windows10-2004-x64
4$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...ll.dll
windows7-x64
1$PLUGINSDI...ll.dll
windows10-2004-x64
1WeChat.exe
windows7-x64
10WeChat.exe
windows10-2004-x64
10WechatAppLauncher.exe
windows7-x64
1WechatAppLauncher.exe
windows10-2004-x64
1[3.9.9.43]...dk.dll
windows7-x64
1[3.9.9.43]...dk.dll
windows10-2004-x64
1host/wmpf_...rt.dll
windows7-x64
1host/wmpf_...rt.dll
windows10-2004-x64
1host/wmpf_...64.dll
windows7-x64
1host/wmpf_...64.dll
windows10-2004-x64
1runtime/Co...on.dll
windows7-x64
1runtime/Co...on.dll
windows10-2004-x64
1runtime/ConfSdk.dll
windows7-x64
1runtime/ConfSdk.dll
windows10-2004-x64
1Analysis
-
max time kernel
120s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
16/03/2024, 10:26
Behavioral task
behavioral1
Sample
WeChatSetup.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
WeChatSetup.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/FindProcDLL.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/FindProcDLL.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/WeChatInstallDll.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/WeChatInstallDll.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsInstallAssist.dll
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsInstallAssist.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
Uninstall.exe
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
Uninstall.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/FindProcDLL.dll
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/FindProcDLL.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231129-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/WeChatInstallDll.dll
Resource
win7-20240220-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/WeChatInstallDll.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral19
Sample
WeChat.exe
Resource
win7-20240221-en
Behavioral task
behavioral20
Sample
WeChat.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral21
Sample
WechatAppLauncher.exe
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
WechatAppLauncher.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral23
Sample
[3.9.9.43]/ConfSdk.dll
Resource
win7-20240221-en
Behavioral task
behavioral24
Sample
[3.9.9.43]/ConfSdk.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral25
Sample
host/wmpf_host_export.dll
Resource
win7-20240221-en
Behavioral task
behavioral26
Sample
host/wmpf_host_export.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral27
Sample
host/wmpf_host_export_x64.dll
Resource
win7-20240221-en
Behavioral task
behavioral28
Sample
host/wmpf_host_export_x64.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral29
Sample
runtime/ComponentVerification.dll
Resource
win7-20240215-en
Behavioral task
behavioral30
Sample
runtime/ComponentVerification.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral31
Sample
runtime/ConfSdk.dll
Resource
win7-20240220-en
Behavioral task
behavioral32
Sample
runtime/ConfSdk.dll
Resource
win10v2004-20240226-en
General
-
Target
[3.9.9.43]/ConfSdk.dll
-
Size
1.3MB
-
MD5
b469a62b38b18869c3146b16652f7cad
-
SHA1
eba667eae4e894f9fbf1d67fde6665349480d27f
-
SHA256
cf6e5dd1dbd3e1963279aa5120adb2fb544817c3f74a2819ccbaa3c27773ffc6
-
SHA512
a5502bc2e09f218d3948fffe70e71cc7ec654e031f71357a78f06077a567b5a06d10879e2b1f4d4c96a4b56ea777e762ded457f33260c1f1f8f0a6718710141d
-
SSDEEP
24576:Y3Yptx6ZMFT8wnorDnD0ADl6dWmHc240YGr0fJIp:YjSFt46dWmR4zGrd
Malware Config
Signatures
-
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2464 wrote to memory of 2832 2464 rundll32.exe 29 PID 2464 wrote to memory of 2832 2464 rundll32.exe 29 PID 2464 wrote to memory of 2832 2464 rundll32.exe 29