Analysis
-
max time kernel
139s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
15-01-2025 21:59
Behavioral task
behavioral1
Sample
40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe
Resource
win10v2004-20241007-en
General
-
Target
40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe
-
Size
92KB
-
MD5
867d4dc640a2abfe0fbbd324a25e881f
-
SHA1
b488f0d04bd2509be8153b85c062b4fb802ec9de
-
SHA256
40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c
-
SHA512
a66a77ea38c6a536f6348b539e6b424991ca0c09f4f7d3cbe4c28b9bdc529dc6370cd185d1047d794dc6eda8a191db3550f745c699879b549c9c1890eb96ed05
-
SSDEEP
1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrV:9bfVk29te2jqxCEtg30Bh
Malware Config
Extracted
sakula
www.savmpet.com
Signatures
-
Sakula family
-
Sakula payload 1 IoCs
resource yara_rule behavioral2/files/0x0017000000023c49-2.dat family_sakula -
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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe -
Executes dropped EXE 1 IoCs
pid Process 3396 AdobeUpdate.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe" 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 4 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 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AdobeUpdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4448 cmd.exe 540 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 540 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2000 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2000 wrote to memory of 3396 2000 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 83 PID 2000 wrote to memory of 3396 2000 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 83 PID 2000 wrote to memory of 3396 2000 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 83 PID 2000 wrote to memory of 4448 2000 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 100 PID 2000 wrote to memory of 4448 2000 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 100 PID 2000 wrote to memory of 4448 2000 40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe 100 PID 4448 wrote to memory of 540 4448 cmd.exe 102 PID 4448 wrote to memory of 540 4448 cmd.exe 102 PID 4448 wrote to memory of 540 4448 cmd.exe 102
Processes
-
C:\Users\Admin\AppData\Local\Temp\40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe"C:\Users\Admin\AppData\Local\Temp\40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3396
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4448 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:540
-
-
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
92KB
MD5e3242e65182917638f655702b9ec0fa6
SHA1710aca51586ab32b4f6033e9cf5551668ba13858
SHA2561f0fe0b2ef21ccf777f30ba71f674ffc34dcca4631abbaf91cd82d2990e35f13
SHA512e2c0722755cfdf7fd385d090179692c1fcc24ed83e901d0ace67f818a9d00f47778ececefd8d95757cfd31b67b292d6e1997d193a2191c1a08b4bdbee478b66b