Overview
overview
7Static
static
3jyzm-v0.9beta.exe
windows7-x64
7jyzm-v0.9beta.exe
windows10-2004-x64
7$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...ID.dll
windows7-x64
3$PLUGINSDI...ID.dll
windows10-2004-x64
3$PLUGINSDIR/inetc.dll
windows7-x64
3$PLUGINSDIR/inetc.dll
windows10-2004-x64
3htmlayout.dll
windows7-x64
3htmlayout.dll
windows10-2004-x64
3jymsgr.dll
windows7-x64
3jymsgr.dll
windows10-2004-x64
3jymsgr.exe
windows7-x64
3jymsgr.exe
windows10-2004-x64
3npjymsgr.dll
windows7-x64
3npjymsgr.dll
windows10-2004-x64
3新云软件.url
windows7-x64
1新云软件.url
windows10-2004-x64
1Analysis
-
max time kernel
94s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
08/09/2024, 23:00
Static task
static1
Behavioral task
behavioral1
Sample
jyzm-v0.9beta.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
jyzm-v0.9beta.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/FindProcDLL.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/FindProcDLL.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/MachGUID.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/MachGUID.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/inetc.dll
Resource
win7-20240708-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/inetc.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
htmlayout.dll
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
htmlayout.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
jymsgr.dll
Resource
win7-20240729-en
Behavioral task
behavioral16
Sample
jymsgr.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
jymsgr.exe
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
jymsgr.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
npjymsgr.dll
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
npjymsgr.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral21
Sample
新云软件.url
Resource
win7-20240704-en
Behavioral task
behavioral22
Sample
新云软件.url
Resource
win10v2004-20240802-en
General
-
Target
htmlayout.dll
-
Size
2.2MB
-
MD5
ae21faf9a1af232d592fd3e2f3d95ebb
-
SHA1
5d3fdfa8fdcef3bbc2ec97f8d5fadd3f5e42059f
-
SHA256
b8a81a007388f5fcba3e435a6897918318a9f439a7f7b52e96212fc51a1b1bb8
-
SHA512
3940b62aa1473a87726d190f60c798e5a24ad6eee3e9637e899c1086065c597448a9c5e137cbb8da4716f1d2e163658d07a515fcad3659c750552b9fc5bfdd0c
-
SSDEEP
49152:+VjfoxVTXs+88LqlN4BDDn7Yn79lz5dliT8/sXsT+uXgd9rqNC1TgTXi:+VjgxVvLqYDnMn79lz5dliQ/sXCgd9rH
Malware Config
Signatures
-
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4792 wrote to memory of 4784 4792 rundll32.exe 83 PID 4792 wrote to memory of 4784 4792 rundll32.exe 83 PID 4792 wrote to memory of 4784 4792 rundll32.exe 83
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\htmlayout.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4792 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\htmlayout.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4784
-