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
121s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-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/WStubs/zlib.exe
-
Size
21KB
-
MD5
649f12d5bf384f685643a01d899cb4d8
-
SHA1
64cf53011de135579f362bec753a9d7029eabae6
-
SHA256
d729eb2ebca742b6a59ccb16b5465f8c510f7b5d02f82c58b11e74288e8642b0
-
SHA512
4f3cf534399f7d2b789dcc241208b394fa79ed7a69b42f24d57f2267ac4c2fface6e6bffd2a00fde80a3ec2cc5d0cd31cb5a5394e803847212780279796680bd
-
SSDEEP
384:Bx4JUFSkEMZJZwct5PgCERzSbYMtv3UPkhlw1WxJ1p/dgFAgqvcZdJk:BO4RrZJZt5oCEhSEMtv0UNpKFfGcdJ
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Program crash 1 IoCs
pid pid_target Process procid_target 2320 2860 WerFault.exe 27 -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2860 wrote to memory of 2320 2860 zlib.exe 28 PID 2860 wrote to memory of 2320 2860 zlib.exe 28 PID 2860 wrote to memory of 2320 2860 zlib.exe 28 PID 2860 wrote to memory of 2320 2860 zlib.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\bin\k2epack\WStubs\zlib.exe"C:\Users\Admin\AppData\Local\Temp\bin\k2epack\WStubs\zlib.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2860 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2860 -s 4082⤵
- Program crash
PID:2320
-