Analysis
-
max time kernel
7s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
21-12-2023 21:45
Static task
static1
Behavioral task
behavioral1
Sample
jb/blah
Resource
ubuntu1804-amd64-20231215-en
Behavioral task
behavioral2
Sample
jb/blah.1
Resource
ubuntu1804-amd64-20231215-en
Behavioral task
behavioral3
Sample
jb/daytona.pl
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
jb/daytona.pl
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
jb/ss
Resource
ubuntu1804-amd64-20231215-en
Behavioral task
behavioral6
Sample
jb/sz
Resource
ubuntu1804-amd64-20231215-en
Behavioral task
behavioral7
Sample
jb/t
Resource
ubuntu1804-amd64-20231215-en
Behavioral task
behavioral8
Sample
jb/z
Resource
ubuntu1804-amd64-20231215-en
Behavioral task
behavioral9
Sample
jb/zmeu-8080
Resource
ubuntu1804-amd64-20231215-en
General
-
Target
jb/daytona.pl
-
Size
4KB
-
MD5
f1a0ef137d772c23a952ebc2e6a94fa6
-
SHA1
045847db5b4d10c8575a6d189d54ce952d2e92d5
-
SHA256
33825b6baecb3392cc2e9f69e30f7f16d55b49b70737d9d129407ba38fb0a8ff
-
SHA512
6a6c001ba44ea102c5d06a2952647d50d73668a94d37ce108b40ad15428c90dfa7a1d2b4dba3eefd9e25a78dbe0d2ef260dca9e1121194d126479eb3f8336883
-
SSDEEP
96:1gzHVKgcUB8lQL5TDkF0L4hspvMZwXqWGlhWjDgprHM1p0mB1:1gz5cg8lQL9u0L4Wp0Zoq72umFj
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 12 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\pl_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\pl_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.pl\ = "pl_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\pl_auto_file\shell\edit rundll32.exe Key created \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\pl_auto_file\shell\edit\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\pl_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\pl_auto_file\shell\open\command rundll32.exe Key created \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_Classes\Local Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\pl_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.pl rundll32.exe Key created \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\pl_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\pl_auto_file\shell\open rundll32.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 2596 NOTEPAD.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1708 wrote to memory of 2972 1708 cmd.exe 29 PID 1708 wrote to memory of 2972 1708 cmd.exe 29 PID 1708 wrote to memory of 2972 1708 cmd.exe 29 PID 2972 wrote to memory of 2596 2972 rundll32.exe 32 PID 2972 wrote to memory of 2596 2972 rundll32.exe 32 PID 2972 wrote to memory of 2596 2972 rundll32.exe 32
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\jb\daytona.pl1⤵
- Suspicious use of WriteProcessMemory
PID:1708 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\jb\daytona.pl2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2972 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\jb\daytona.pl3⤵
- Opens file in notepad (likely ransom note)
PID:2596
-
-