Analysis
-
max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
11-08-2024 21:14
Behavioral task
behavioral1
Sample
8bfe9e63b28ea0ec1ef609df44a00788_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
8bfe9e63b28ea0ec1ef609df44a00788_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
-
Target
8bfe9e63b28ea0ec1ef609df44a00788_JaffaCakes118.exe
-
Size
191KB
-
MD5
8bfe9e63b28ea0ec1ef609df44a00788
-
SHA1
eb9b5da55fc2f82d2c9ee770b45d6cf13bcab98a
-
SHA256
6486d7678e6bfef44c78b6be624f2c08131f2be3a752901588ddf06eee474ca0
-
SHA512
89c8cd1e3325bf94ae074ee42aaad78903d7476c9340bf7e8b3470d28a9c99aa5862134f443840d074295238f63456da9bb9430cae32b42423365ac6cfd0c9f4
-
SSDEEP
3072:oLboH72D2M/gd74950lR/3vvPLrk1EKGjFZ8+FTYEnSaBSg93TEk7B:InSM/G74n+R/vTKIhFTYE5BSg9DEkF
Malware Config
Signatures
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation 8bfe9e63b28ea0ec1ef609df44a00788_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 4832 bsearch.exe -
resource yara_rule behavioral2/memory/1904-0-0x0000000000D90000-0x0000000000E18000-memory.dmp upx behavioral2/files/0x00090000000234a4-5.dat upx behavioral2/memory/4832-13-0x0000000000250000-0x00000000002D8000-memory.dmp upx behavioral2/memory/1904-18-0x0000000000D90000-0x0000000000E18000-memory.dmp upx behavioral2/memory/4832-19-0x0000000000250000-0x00000000002D8000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\barosearch = "C:\\Program Files (x86)\\barosearch\\bsearch.exe" 8bfe9e63b28ea0ec1ef609df44a00788_JaffaCakes118.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\barosearch\bsearch.exe 8bfe9e63b28ea0ec1ef609df44a00788_JaffaCakes118.exe File created C:\Program Files (x86)\barosearch\bsearch.exe 8bfe9e63b28ea0ec1ef609df44a00788_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 3 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 8bfe9e63b28ea0ec1ef609df44a00788_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bsearch.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1904 8bfe9e63b28ea0ec1ef609df44a00788_JaffaCakes118.exe 1904 8bfe9e63b28ea0ec1ef609df44a00788_JaffaCakes118.exe 4832 bsearch.exe 4832 bsearch.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1904 wrote to memory of 4832 1904 8bfe9e63b28ea0ec1ef609df44a00788_JaffaCakes118.exe 86 PID 1904 wrote to memory of 4832 1904 8bfe9e63b28ea0ec1ef609df44a00788_JaffaCakes118.exe 86 PID 1904 wrote to memory of 4832 1904 8bfe9e63b28ea0ec1ef609df44a00788_JaffaCakes118.exe 86 PID 1904 wrote to memory of 3336 1904 8bfe9e63b28ea0ec1ef609df44a00788_JaffaCakes118.exe 87 PID 1904 wrote to memory of 3336 1904 8bfe9e63b28ea0ec1ef609df44a00788_JaffaCakes118.exe 87 PID 1904 wrote to memory of 3336 1904 8bfe9e63b28ea0ec1ef609df44a00788_JaffaCakes118.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\8bfe9e63b28ea0ec1ef609df44a00788_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8bfe9e63b28ea0ec1ef609df44a00788_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1904 -
C:\Program Files (x86)\barosearch\bsearch.exe"C:\Program Files (x86)\barosearch\bsearch.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4832
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\erase.bat" "2⤵
- System Location Discovery: System Language Discovery
PID:3336
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
191KB
MD58bfe9e63b28ea0ec1ef609df44a00788
SHA1eb9b5da55fc2f82d2c9ee770b45d6cf13bcab98a
SHA2566486d7678e6bfef44c78b6be624f2c08131f2be3a752901588ddf06eee474ca0
SHA51289c8cd1e3325bf94ae074ee42aaad78903d7476c9340bf7e8b3470d28a9c99aa5862134f443840d074295238f63456da9bb9430cae32b42423365ac6cfd0c9f4
-
Filesize
387B
MD517ceab8b653bbfce80fea5fae432b1e0
SHA1e89cbf3e965cf42fe8513f3ae6a12ba7919be32d
SHA256503c6500013cda340846a1fcd66e3eed909595b3158a5c9f2d5340ec91bc2d5c
SHA512e633c423a195bb0b0fd79434d409378953f218617bc46c3c1d65684b126043af59451ef9c4bb48aaab2439f9b6b0e6a7b55f2c94a4ee5e45ddb7a48956c9e80c