Overview
overview
7Static
static
3JaffaCakes...8a.exe
windows7-x64
3JaffaCakes...8a.exe
windows10-2004-x64
3$PLUGINSDI...64.dll
windows7-x64
3$PLUGINSDI...64.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$PLUGINSDI...ew.dll
windows7-x64
3$PLUGINSDI...ew.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDIR/inetc.dll
windows7-x64
3$PLUGINSDIR/inetc.dll
windows10-2004-x64
3$TEMP/KWMU...te.exe
windows7-x64
7$TEMP/KWMU...te.exe
windows10-2004-x64
7$PLUGINSDI...64.dll
windows7-x64
3$PLUGINSDI...64.dll
windows10-2004-x64
3$PLUGINSDI...ew.dll
windows7-x64
3$PLUGINSDI...ew.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDIR/inetc.dll
windows7-x64
3$PLUGINSDIR/inetc.dll
windows10-2004-x64
3$TEMP/soba...wo.exe
windows7-x64
3$TEMP/soba...wo.exe
windows10-2004-x64
3$PROGRAM_F...er.exe
windows7-x64
3$PROGRAM_F...er.exe
windows10-2004-x64
3$PROGRAM_F...ar.dll
windows7-x64
7$PROGRAM_F...ar.dll
windows10-2004-x64
7$PROGRAM_F...rX.dll
windows7-x64
7$PROGRAM_F...rX.dll
windows10-2004-x64
7Analysis
-
max time kernel
92s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
15/01/2025, 16:18
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_5bfd9050b9ea3dc1d6e79c909cfc5c8a.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_5bfd9050b9ea3dc1d6e79c909cfc5c8a.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/Base64.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/Base64.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win7-20241010-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/KuWoNsis_new.dll
Resource
win7-20241010-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/KuWoNsis_new.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240729-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/inetc.dll
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/inetc.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
$TEMP/KWMUSIC/DownloadUpdate.exe
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
$TEMP/KWMUSIC/DownloadUpdate.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/Base64.dll
Resource
win7-20241023-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/Base64.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/KuWoNsis_new.dll
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/KuWoNsis_new.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/inetc.dll
Resource
win7-20241010-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/inetc.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral25
Sample
$TEMP/sobar/Baidu-TB-ASBar-Silent_kuwo.exe
Resource
win7-20240903-en
Behavioral task
behavioral26
Sample
$TEMP/sobar/Baidu-TB-ASBar-Silent_kuwo.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral27
Sample
$PROGRAM_FILES/Baidu/ASBarBroker.exe
Resource
win7-20240903-en
Behavioral task
behavioral28
Sample
$PROGRAM_FILES/Baidu/ASBarBroker.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral29
Sample
$PROGRAM_FILES/Baidu/AddressBar.dll
Resource
win7-20240903-en
Behavioral task
behavioral30
Sample
$PROGRAM_FILES/Baidu/AddressBar.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral31
Sample
$PROGRAM_FILES/Baidu/Toolbar/BaiduBarX_Tmp/BaiduBarX.dll
Resource
win7-20241023-en
General
-
Target
$PLUGINSDIR/KuWoNsis_new.dll
-
Size
97KB
-
MD5
f243c563c74cd304f2217f83d8157f55
-
SHA1
6c191feb9b9fce845afc3801c1abc38244859d87
-
SHA256
5f0962ab4437230f51023734e6812d3030cdbcc8043984f1aa9cb1a5d69deb99
-
SHA512
9c2b7ea1bca62b329e7c47dae53faade3e06bddfed176bd4560c6d893851badcc70f305149a7d19bd416ae31c3a2bede30150d9ac951906d9c906374a965f257
-
SSDEEP
1536:vlC24mOWnZjB9kSN26hzazma4ekJuG3hltjvafCM:vlC24dWxk76hzy2uG3hl1CD
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 3984 4812 WerFault.exe 82 -
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 1000 wrote to memory of 4812 1000 rundll32.exe 82 PID 1000 wrote to memory of 4812 1000 rundll32.exe 82 PID 1000 wrote to memory of 4812 1000 rundll32.exe 82
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\KuWoNsis_new.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1000 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\KuWoNsis_new.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4812 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 6163⤵
- Program crash
PID:3984
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4812 -ip 48121⤵PID:4068