Analysis
-
max time kernel
149s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21/08/2024, 15:24
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b3ff454dc57ff98b21a97df1027dc03d_JaffaCakes118.exe
Resource
win7-20240708-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
b3ff454dc57ff98b21a97df1027dc03d_JaffaCakes118.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
150 seconds
General
-
Target
b3ff454dc57ff98b21a97df1027dc03d_JaffaCakes118.exe
-
Size
739KB
-
MD5
b3ff454dc57ff98b21a97df1027dc03d
-
SHA1
9850713b3472e1dc04e54ba6496b2d0c26c84c94
-
SHA256
58ccf901e7171898fff03bd2cdbbe6be9977627f9c3c68eb2568b6ec4f7daa9d
-
SHA512
58a3d0cbe97bbe6b4420800da489bd0eec7e7b1004ac2b8114b81669cad584081e06d4b86a6997ea3537cd1674013ed0b0f863b4015e84a69645169d958b80d1
-
SSDEEP
12288:hLo8y909yFRSQqSNvgBNT6Ys+O/LRkUkWm8ad4/SK9MLmKHt5FhluJ6gQ:jyIyKQqu4r65pLeU/akSt5Njg
Score
7/10
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 4908 hfs.exe -
resource yara_rule behavioral2/files/0x000a00000002341b-5.dat upx behavioral2/memory/4908-7-0x0000000000400000-0x00000000005B0000-memory.dmp upx behavioral2/memory/4908-11-0x0000000000400000-0x00000000005B0000-memory.dmp upx behavioral2/memory/4908-12-0x0000000000400000-0x00000000005B0000-memory.dmp upx behavioral2/memory/4908-14-0x0000000000400000-0x00000000005B0000-memory.dmp upx behavioral2/memory/4908-15-0x0000000000400000-0x00000000005B0000-memory.dmp upx behavioral2/memory/4908-16-0x0000000000400000-0x00000000005B0000-memory.dmp upx behavioral2/memory/4908-17-0x0000000000400000-0x00000000005B0000-memory.dmp upx behavioral2/memory/4908-18-0x0000000000400000-0x00000000005B0000-memory.dmp upx behavioral2/memory/4908-19-0x0000000000400000-0x00000000005B0000-memory.dmp upx behavioral2/memory/4908-22-0x0000000000400000-0x00000000005B0000-memory.dmp upx behavioral2/memory/4908-23-0x0000000000400000-0x00000000005B0000-memory.dmp upx behavioral2/memory/4908-24-0x0000000000400000-0x00000000005B0000-memory.dmp upx behavioral2/memory/4908-25-0x0000000000400000-0x00000000005B0000-memory.dmp upx behavioral2/memory/4908-26-0x0000000000400000-0x00000000005B0000-memory.dmp upx behavioral2/memory/4908-27-0x0000000000400000-0x00000000005B0000-memory.dmp upx behavioral2/memory/4908-28-0x0000000000400000-0x00000000005B0000-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\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" b3ff454dc57ff98b21a97df1027dc03d_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 b3ff454dc57ff98b21a97df1027dc03d_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hfs.exe -
Modifies registry class 16 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.vfs\ = "HFS file system" hfs.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\Add to HFS hfs.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\Add to HFS\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\hfs.exe\" \"%1\"" hfs.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.vfs\shell\Open hfs.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\*\shell\Add to HFS hfs.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.vfs\shell\Open\command hfs.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\*\shell\Add to HFS\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\hfs.exe\" \"%1\"" hfs.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder hfs.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.vfs\shell\Open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\hfs.exe\" \"%1\"" hfs.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\* hfs.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\*\shell hfs.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell hfs.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.vfs hfs.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.vfs\shell hfs.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\*\shell\Add to HFS\command hfs.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\Add to HFS\command hfs.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe 4908 hfs.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1912 wrote to memory of 4908 1912 b3ff454dc57ff98b21a97df1027dc03d_JaffaCakes118.exe 85 PID 1912 wrote to memory of 4908 1912 b3ff454dc57ff98b21a97df1027dc03d_JaffaCakes118.exe 85 PID 1912 wrote to memory of 4908 1912 b3ff454dc57ff98b21a97df1027dc03d_JaffaCakes118.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\b3ff454dc57ff98b21a97df1027dc03d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b3ff454dc57ff98b21a97df1027dc03d_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1912 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\hfs.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\hfs.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4908
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
559KB
MD56e491a7fecb845974f8f6f65b419c7b1
SHA1e16eac79f4bea4fe848bc5248a59765d1939a76b
SHA25693019ff4c7f345b6b03ada2c60efc51f0f199f5356d8bf1b85cd9649420fa84f
SHA5123c73a0cf881017bc22ba529e5a79b6f2466882656cd89d1e7e0d676654a3d80b5ef2b349e5f3b0ce37748dc49f78be4752bd3232b6b2d7c6aa54a1e9b6144357