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
120s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-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/NotifyIcon.dll
-
Size
5KB
-
MD5
9ab83d7ef9bd55db63ceb33840431cd5
-
SHA1
548c54c8b9d683f32b2f1bd8b3f374fc14691fd4
-
SHA256
d2b04b5b33877521f6f140148521f219e25d2de753ff20954f90dcee55d1a647
-
SHA512
5fbceba72421834d5b888818b1fea5f88c518ad871539a3ff1422d4a3e3d6bb945dca1da0839158c446e54cdc5c916e1ca17283b44135d2078bb1188ae142545
-
SSDEEP
48:aFV2n5RPl5A9+DyhKqfCdGMfMGMoTtmZE+dlpn6sT6lQQAsjRz:s05RP72BCdjUGM4R+dHn6tV
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 2976 1916 WerFault.exe 28 -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1916 rundll32.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 1916 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2392 wrote to memory of 1916 2392 rundll32.exe 28 PID 2392 wrote to memory of 1916 2392 rundll32.exe 28 PID 2392 wrote to memory of 1916 2392 rundll32.exe 28 PID 2392 wrote to memory of 1916 2392 rundll32.exe 28 PID 2392 wrote to memory of 1916 2392 rundll32.exe 28 PID 2392 wrote to memory of 1916 2392 rundll32.exe 28 PID 2392 wrote to memory of 1916 2392 rundll32.exe 28 PID 1916 wrote to memory of 2976 1916 rundll32.exe 29 PID 1916 wrote to memory of 2976 1916 rundll32.exe 29 PID 1916 wrote to memory of 2976 1916 rundll32.exe 29 PID 1916 wrote to memory of 2976 1916 rundll32.exe 29
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\k2epack\Plugins\NotifyIcon.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2392 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\k2epack\Plugins\NotifyIcon.dll,#12⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1916 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 2243⤵
- Program crash
PID:2976
-
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