Overview
overview
7Static
static
3a7a8bff507...18.exe
windows7-x64
7a7a8bff507...18.exe
windows10-2004-x64
7$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...fo.dll
windows7-x64
3$PLUGINSDI...fo.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$TEMP/tap-windows.exe
windows7-x64
7$TEMP/tap-windows.exe
windows10-2004-x64
7$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...fo.dll
windows7-x64
3$PLUGINSDI...fo.dll
windows10-2004-x64
3bin/devcon.exe
windows7-x64
1bin/devcon.exe
windows10-2004-x64
1driver/tap0901.sys
windows7-x64
1driver/tap0901.sys
windows10-2004-x64
1bin/libeay32.dll
windows7-x64
1bin/libeay32.dll
windows10-2004-x64
1bin/liblzo2-2.dll
windows7-x64
1bin/liblzo2-2.dll
windows10-2004-x64
1bin/libpkc...-1.dll
windows7-x64
3bin/libpkc...-1.dll
windows10-2004-x64
3bin/openssl.exe
windows7-x64
1bin/openssl.exe
windows10-2004-x64
1bin/openvpn-gui.exe
windows7-x64
1bin/openvpn-gui.exe
windows10-2004-x64
1Analysis
-
max time kernel
147s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
14/06/2024, 02:01
Static task
static1
Behavioral task
behavioral1
Sample
a7a8bff507d3aa5f382e68cd344e589c_JaffaCakes118.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
a7a8bff507d3aa5f382e68cd344e589c_JaffaCakes118.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win7-20240611-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240508-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
$TEMP/tap-windows.exe
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
$TEMP/tap-windows.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240419-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win7-20240508-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral19
Sample
bin/devcon.exe
Resource
win7-20231129-en
Behavioral task
behavioral20
Sample
bin/devcon.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral21
Sample
driver/tap0901.sys
Resource
win7-20240508-en
Behavioral task
behavioral22
Sample
driver/tap0901.sys
Resource
win10v2004-20240508-en
Behavioral task
behavioral23
Sample
bin/libeay32.dll
Resource
win7-20240611-en
Behavioral task
behavioral24
Sample
bin/libeay32.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral25
Sample
bin/liblzo2-2.dll
Resource
win7-20240220-en
Behavioral task
behavioral26
Sample
bin/liblzo2-2.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral27
Sample
bin/libpkcs11-helper-1.dll
Resource
win7-20240508-en
Behavioral task
behavioral28
Sample
bin/libpkcs11-helper-1.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral29
Sample
bin/openssl.exe
Resource
win7-20240221-en
Behavioral task
behavioral30
Sample
bin/openssl.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral31
Sample
bin/openvpn-gui.exe
Resource
win7-20231129-en
Behavioral task
behavioral32
Sample
bin/openvpn-gui.exe
Resource
win10v2004-20240226-en
General
-
Target
bin/libpkcs11-helper-1.dll
-
Size
102KB
-
MD5
b9ca2d5962fff8ad8f58d86759bb6933
-
SHA1
f1b5d23bcf2290817f228795e44cc82c0ba90955
-
SHA256
0ff4fb3c39b95f12dbe3a9ce97bd820751321edc0afcc424521a28fea033ac73
-
SHA512
3c12cecdb33f12b38cda688ad71b8df3f257a735792848ae62296bd19268a628efbe998a0ba04420a4c99f8570bc13105da5c924345502977b14fdcb859b1e64
-
SSDEEP
3072:BjZE7WPMer+oB9+UsnUS/5Dxh9QQU7kVTAHluobjrmBbZmkY7:vPMepUnUS/5Dxh9QQU7kVTAHluobjrmq
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 1560 3172 WerFault.exe 82 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4396 wrote to memory of 3172 4396 rundll32.exe 82 PID 4396 wrote to memory of 3172 4396 rundll32.exe 82 PID 4396 wrote to memory of 3172 4396 rundll32.exe 82
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\libpkcs11-helper-1.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4396 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\libpkcs11-helper-1.dll,#12⤵PID:3172
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3172 -s 6283⤵
- Program crash
PID:1560
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3172 -ip 31721⤵PID:3468