Analysis
-
max time kernel
140s -
max time network
18s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
25/08/2024, 09:17
Behavioral task
behavioral1
Sample
c06b83f3b18dd8b95c8dbc2768d2bcc4_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
c06b83f3b18dd8b95c8dbc2768d2bcc4_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
-
Target
c06b83f3b18dd8b95c8dbc2768d2bcc4_JaffaCakes118.exe
-
Size
141KB
-
MD5
c06b83f3b18dd8b95c8dbc2768d2bcc4
-
SHA1
6945940d41d3d5f12b3f2d984d7a1aadf48a5b14
-
SHA256
60e2158617e48257c3b05f55506b363bf826313359815f5a7527613b07bd3d29
-
SHA512
0a8dd91ab4b7e7322ea4c32d3b358499b2fab9ec95a869295e0839162816918982e9959920c5a61939355574a6a1c7dd1caf83a83b3a96d515c100d6a741001c
-
SSDEEP
3072:sY1qsHZzq7Mex1mc9ek/FmDJF4hNekjNpdoMbOWr/0oaCHWFkBBB:OWmll96F4neeNDYQWS7
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 2248 kernels32.exe -
resource yara_rule behavioral1/memory/2472-1-0x0000000000400000-0x00000000005A7000-memory.dmp upx behavioral1/memory/2248-11-0x0000000000400000-0x00000000005A7000-memory.dmp upx behavioral1/files/0x000c000000014968-9.dat upx behavioral1/memory/2472-16-0x0000000000400000-0x00000000005A7000-memory.dmp upx behavioral1/memory/2248-18-0x0000000000400000-0x00000000005A7000-memory.dmp upx behavioral1/memory/2248-20-0x0000000000400000-0x00000000005A7000-memory.dmp upx behavioral1/memory/2248-21-0x0000000000400000-0x00000000005A7000-memory.dmp upx behavioral1/memory/2248-22-0x0000000000400000-0x00000000005A7000-memory.dmp upx behavioral1/memory/2248-23-0x0000000000400000-0x00000000005A7000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Service System = "\"c:\\windows\\kernels32.exe\"" kernels32.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created \??\c:\windows\kernels32.exe c06b83f3b18dd8b95c8dbc2768d2bcc4_JaffaCakes118.exe File opened for modification \??\c:\windows\kernels32.exe c06b83f3b18dd8b95c8dbc2768d2bcc4_JaffaCakes118.exe File created C:\Windows\ieupdate.dat kernels32.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 c06b83f3b18dd8b95c8dbc2768d2bcc4_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language kernels32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2472 c06b83f3b18dd8b95c8dbc2768d2bcc4_JaffaCakes118.exe 2248 kernels32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2472 wrote to memory of 2248 2472 c06b83f3b18dd8b95c8dbc2768d2bcc4_JaffaCakes118.exe 29 PID 2472 wrote to memory of 2248 2472 c06b83f3b18dd8b95c8dbc2768d2bcc4_JaffaCakes118.exe 29 PID 2472 wrote to memory of 2248 2472 c06b83f3b18dd8b95c8dbc2768d2bcc4_JaffaCakes118.exe 29 PID 2472 wrote to memory of 2248 2472 c06b83f3b18dd8b95c8dbc2768d2bcc4_JaffaCakes118.exe 29
Processes
-
C:\Users\Admin\AppData\Local\Temp\c06b83f3b18dd8b95c8dbc2768d2bcc4_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\c06b83f3b18dd8b95c8dbc2768d2bcc4_JaffaCakes118.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2472 -
\??\c:\windows\kernels32.exec:\windows\kernels32.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2248
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
141KB
MD5c06b83f3b18dd8b95c8dbc2768d2bcc4
SHA16945940d41d3d5f12b3f2d984d7a1aadf48a5b14
SHA25660e2158617e48257c3b05f55506b363bf826313359815f5a7527613b07bd3d29
SHA5120a8dd91ab4b7e7322ea4c32d3b358499b2fab9ec95a869295e0839162816918982e9959920c5a61939355574a6a1c7dd1caf83a83b3a96d515c100d6a741001c