Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27-12-2024 01:39
Behavioral task
behavioral1
Sample
afa2cacf38a097316c5db82395f5dcb2cc27561c2440ef2154713531e6d28264.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
afa2cacf38a097316c5db82395f5dcb2cc27561c2440ef2154713531e6d28264.exe
Resource
win10v2004-20241007-en
General
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Target
afa2cacf38a097316c5db82395f5dcb2cc27561c2440ef2154713531e6d28264.exe
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Size
102KB
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MD5
b5e3add51b26e1683f4db3bb101817ab
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SHA1
a9b9604079a46319e34411c353639f20b476e674
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SHA256
afa2cacf38a097316c5db82395f5dcb2cc27561c2440ef2154713531e6d28264
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SHA512
cfc86527f17be610780ba8f1346d377f3e9ce75821228be7d5ccd495beba91f5dc1f63ca7a8433061d3d4c5005bbfcb457f5827cbddc1ee690edcbbd634fbf62
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SSDEEP
1536:jJbCiJVkgMaT2itTkjoRXnM48dXFajVPkPLnlxsz30rtrQ39z:tbfVk29te2juPLlxo30Bs39z
Malware Config
Extracted
sakula
www.savmpet.com
Signatures
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Sakula family
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Sakula payload 5 IoCs
resource yara_rule behavioral2/memory/3876-0-0x0000000000400000-0x000000000041C000-memory.dmp family_sakula behavioral2/files/0x000e000000023b56-3.dat family_sakula behavioral2/memory/3876-5-0x0000000000400000-0x000000000041C000-memory.dmp family_sakula behavioral2/memory/3544-6-0x0000000000400000-0x000000000041C000-memory.dmp family_sakula behavioral2/memory/3876-7-0x0000000000400000-0x000000000041C000-memory.dmp 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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation afa2cacf38a097316c5db82395f5dcb2cc27561c2440ef2154713531e6d28264.exe -
Executes dropped EXE 1 IoCs
pid Process 3544 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" afa2cacf38a097316c5db82395f5dcb2cc27561c2440ef2154713531e6d28264.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 afa2cacf38a097316c5db82395f5dcb2cc27561c2440ef2154713531e6d28264.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 460 cmd.exe 1028 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1028 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3876 afa2cacf38a097316c5db82395f5dcb2cc27561c2440ef2154713531e6d28264.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3876 wrote to memory of 3544 3876 afa2cacf38a097316c5db82395f5dcb2cc27561c2440ef2154713531e6d28264.exe 84 PID 3876 wrote to memory of 3544 3876 afa2cacf38a097316c5db82395f5dcb2cc27561c2440ef2154713531e6d28264.exe 84 PID 3876 wrote to memory of 3544 3876 afa2cacf38a097316c5db82395f5dcb2cc27561c2440ef2154713531e6d28264.exe 84 PID 3876 wrote to memory of 460 3876 afa2cacf38a097316c5db82395f5dcb2cc27561c2440ef2154713531e6d28264.exe 100 PID 3876 wrote to memory of 460 3876 afa2cacf38a097316c5db82395f5dcb2cc27561c2440ef2154713531e6d28264.exe 100 PID 3876 wrote to memory of 460 3876 afa2cacf38a097316c5db82395f5dcb2cc27561c2440ef2154713531e6d28264.exe 100 PID 460 wrote to memory of 1028 460 cmd.exe 102 PID 460 wrote to memory of 1028 460 cmd.exe 102 PID 460 wrote to memory of 1028 460 cmd.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\afa2cacf38a097316c5db82395f5dcb2cc27561c2440ef2154713531e6d28264.exe"C:\Users\Admin\AppData\Local\Temp\afa2cacf38a097316c5db82395f5dcb2cc27561c2440ef2154713531e6d28264.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:3876 -
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:3544
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\afa2cacf38a097316c5db82395f5dcb2cc27561c2440ef2154713531e6d28264.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:460 -
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:1028
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
102KB
MD54281e5835f0b17d9577e2e1e2247cd89
SHA16fde293eb14f609c10ce016df700d61b3cf70be1
SHA25678d93d639e01863ea2757c2ae4233184f9e9b2b51bc60a3b5979b01c60d8da4d
SHA5128ad55e9d57b851b73964215a44b42633272102cfe1848a3b6611fd034ee1aa65ce9ffb7e5dadc65d56303c4041915146687b2810df9a6b686b8194282cb0d3fe