Overview
overview
7Static
static
722f5c3567f...18.exe
windows7-x64
722f5c3567f...18.exe
windows10-2004-x64
7bin/cpau/cpau.exe
windows7-x64
7bin/cpau/cpau.exe
windows10-2004-x64
7bin/k2epac...id.exe
windows7-x64
3bin/k2epac...id.exe
windows10-2004-x64
3bin/k2epac...ib.exe
windows7-x64
3bin/k2epac...ib.exe
windows10-2004-x64
3bin/k2epac...on.dll
windows7-x64
3bin/k2epac...on.dll
windows10-2004-x64
3bin/k2epac...nv.dll
windows7-x64
3bin/k2epac...nv.dll
windows10-2004-x64
3bin/k2epac...em.dll
windows7-x64
3bin/k2epac...em.dll
windows10-2004-x64
3bin/k2epac...ec.dll
windows7-x64
3bin/k2epac...ec.dll
windows10-2004-x64
3bin/k2epac...id.exe
windows7-x64
3bin/k2epac...id.exe
windows10-2004-x64
3bin/k2epac...ib.exe
windows7-x64
3bin/k2epac...ib.exe
windows10-2004-x64
3bin/k2epac...kc.exe
windows7-x64
1bin/k2epac...kc.exe
windows10-2004-x64
1bin/k2epac...kw.exe
windows7-x64
1bin/k2epac...kw.exe
windows10-2004-x64
1bin/regsvr...Ex.exe
windows7-x64
1bin/regsvr...Ex.exe
windows10-2004-x64
1bin/startx/startx.exe
windows7-x64
1bin/startx/startx.exe
windows10-2004-x64
1bin/upx/NEWS.vbs
windows7-x64
1bin/upx/NEWS.vbs
windows10-2004-x64
1bin/upx/upx.vbs
windows7-x64
1bin/upx/upx.vbs
windows10-2004-x64
1Analysis
-
max time kernel
130s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
03/07/2024, 16:01
Behavioral task
behavioral1
Sample
22f5c3567f7177b19ff30a2540b7e69e_JaffaCakes118.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
22f5c3567f7177b19ff30a2540b7e69e_JaffaCakes118.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral3
Sample
bin/cpau/cpau.exe
Resource
win7-20240220-en
Behavioral task
behavioral4
Sample
bin/cpau/cpau.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
bin/k2epack/CStubs/lzma_solid.exe
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
bin/k2epack/CStubs/lzma_solid.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
bin/k2epack/CStubs/zlib.exe
Resource
win7-20240220-en
Behavioral task
behavioral8
Sample
bin/k2epack/CStubs/zlib.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
bin/k2epack/Plugins/NotifyIcon.dll
Resource
win7-20240508-en
Behavioral task
behavioral10
Sample
bin/k2epack/Plugins/NotifyIcon.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
bin/k2epack/Plugins/SetEnv.dll
Resource
win7-20240508-en
Behavioral task
behavioral12
Sample
bin/k2epack/Plugins/SetEnv.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
bin/k2epack/Plugins/System.dll
Resource
win7-20240611-en
Behavioral task
behavioral14
Sample
bin/k2epack/Plugins/System.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
bin/k2epack/Plugins/nsExec.dll
Resource
win7-20240508-en
Behavioral task
behavioral16
Sample
bin/k2epack/Plugins/nsExec.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral17
Sample
bin/k2epack/WStubs/lzma_solid.exe
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
bin/k2epack/WStubs/lzma_solid.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral19
Sample
bin/k2epack/WStubs/zlib.exe
Resource
win7-20240220-en
Behavioral task
behavioral20
Sample
bin/k2epack/WStubs/zlib.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral21
Sample
bin/k2epack/k2epackc.exe
Resource
win7-20240508-en
Behavioral task
behavioral22
Sample
bin/k2epack/k2epackc.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral23
Sample
bin/k2epack/k2epackw.exe
Resource
win7-20240508-en
Behavioral task
behavioral24
Sample
bin/k2epack/k2epackw.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral25
Sample
bin/regsvrex/RegSvrEx.exe
Resource
win7-20240611-en
Behavioral task
behavioral26
Sample
bin/regsvrex/RegSvrEx.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral27
Sample
bin/startx/startx.exe
Resource
win7-20240508-en
Behavioral task
behavioral28
Sample
bin/startx/startx.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral29
Sample
bin/upx/NEWS.vbs
Resource
win7-20240221-en
Behavioral task
behavioral30
Sample
bin/upx/NEWS.vbs
Resource
win10v2004-20240508-en
Behavioral task
behavioral31
Sample
bin/upx/upx.vbs
Resource
win7-20240220-en
Behavioral task
behavioral32
Sample
bin/upx/upx.vbs
Resource
win10v2004-20240611-en
General
-
Target
bin/k2epack/Plugins/nsExec.dll
-
Size
6KB
-
MD5
4ad87730940d1031b84a07fd9414cb5c
-
SHA1
0cb8d98b915206131d036b6898c2e4793d64891f
-
SHA256
87be9e03fce817bb8567e03d6ce89aba15ec8cbdb2c6d11161da393ec0c876ad
-
SHA512
939accab06c5bcbf9ee1cb2e6764cef65d5ec089e7ba3f461cb95749faea9ce21e2085d7f1c9740d2d65a72fcc5b47cbc3646fdcb1cc402c917ab5807da18749
-
SSDEEP
96:iXMt8WeUBhgiVhCnzC/Fjgz+GWrhKf1hhUHlYInN5SM+L9IWdFyVPNKI+:lpBhgwhQzCtEz+GWs9hkOmMVd8VPNm
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 1312 4512 WerFault.exe 83 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2000 wrote to memory of 4512 2000 rundll32.exe 83 PID 2000 wrote to memory of 4512 2000 rundll32.exe 83 PID 2000 wrote to memory of 4512 2000 rundll32.exe 83
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\k2epack\Plugins\nsExec.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\k2epack\Plugins\nsExec.dll,#12⤵PID:4512
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 6123⤵
- Program crash
PID:1312
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4512 -ip 45121⤵PID:2300