Analysis
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max time kernel
140s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
05/12/2024, 02:32 UTC
Behavioral task
behavioral1
Sample
c51bb520ccf924b0392c601462bb702c0e0368c34b24d80838c11d964cbf7515.exe
Resource
win7-20240903-en
General
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Target
c51bb520ccf924b0392c601462bb702c0e0368c34b24d80838c11d964cbf7515.exe
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Size
43KB
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MD5
5095cc6dd78e6c880d1de023e7625990
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SHA1
324014f471c23c539b3dd6b20a4fee564e13543a
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SHA256
c51bb520ccf924b0392c601462bb702c0e0368c34b24d80838c11d964cbf7515
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SHA512
8b768e04f90d8fc63bfd7c3656d1af9452d3a632365ace5932f99fcc0dc8a9c9ef333975168f68b28d928ec8d60a25a3f133e7e68db5b47194f5bc064c4cb7c3
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SSDEEP
768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taqm:+U9abrtX4oocIK3yQkaY9z/S0hhy6k8A
Malware Config
Signatures
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Sakula family
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Sakula payload 4 IoCs
resource yara_rule behavioral2/memory/4932-6-0x0000000000520000-0x000000000053F000-memory.dmp family_sakula behavioral2/memory/1680-8-0x00000000000E0000-0x00000000000FF000-memory.dmp family_sakula behavioral2/memory/4932-13-0x0000000000520000-0x000000000053F000-memory.dmp family_sakula behavioral2/memory/1680-19-0x00000000000E0000-0x00000000000FF000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation c51bb520ccf924b0392c601462bb702c0e0368c34b24d80838c11d964cbf7515.exe -
Executes dropped EXE 1 IoCs
pid Process 1680 MediaCenter.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\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" c51bb520ccf924b0392c601462bb702c0e0368c34b24d80838c11d964cbf7515.exe -
resource yara_rule behavioral2/memory/4932-0-0x0000000000520000-0x000000000053F000-memory.dmp upx behavioral2/files/0x0008000000023ca0-3.dat upx behavioral2/memory/1680-4-0x00000000000E0000-0x00000000000FF000-memory.dmp upx behavioral2/memory/4932-6-0x0000000000520000-0x000000000053F000-memory.dmp upx behavioral2/memory/1680-8-0x00000000000E0000-0x00000000000FF000-memory.dmp upx behavioral2/memory/4932-13-0x0000000000520000-0x000000000053F000-memory.dmp upx behavioral2/memory/1680-19-0x00000000000E0000-0x00000000000FF000-memory.dmp upx -
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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c51bb520ccf924b0392c601462bb702c0e0368c34b24d80838c11d964cbf7515.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MediaCenter.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2936 cmd.exe 4784 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4784 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4932 c51bb520ccf924b0392c601462bb702c0e0368c34b24d80838c11d964cbf7515.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4932 wrote to memory of 1680 4932 c51bb520ccf924b0392c601462bb702c0e0368c34b24d80838c11d964cbf7515.exe 85 PID 4932 wrote to memory of 1680 4932 c51bb520ccf924b0392c601462bb702c0e0368c34b24d80838c11d964cbf7515.exe 85 PID 4932 wrote to memory of 1680 4932 c51bb520ccf924b0392c601462bb702c0e0368c34b24d80838c11d964cbf7515.exe 85 PID 4932 wrote to memory of 2936 4932 c51bb520ccf924b0392c601462bb702c0e0368c34b24d80838c11d964cbf7515.exe 102 PID 4932 wrote to memory of 2936 4932 c51bb520ccf924b0392c601462bb702c0e0368c34b24d80838c11d964cbf7515.exe 102 PID 4932 wrote to memory of 2936 4932 c51bb520ccf924b0392c601462bb702c0e0368c34b24d80838c11d964cbf7515.exe 102 PID 2936 wrote to memory of 4784 2936 cmd.exe 104 PID 2936 wrote to memory of 4784 2936 cmd.exe 104 PID 2936 wrote to memory of 4784 2936 cmd.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\c51bb520ccf924b0392c601462bb702c0e0368c34b24d80838c11d964cbf7515.exe"C:\Users\Admin\AppData\Local\Temp\c51bb520ccf924b0392c601462bb702c0e0368c34b24d80838c11d964cbf7515.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:4932 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1680
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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\c51bb520ccf924b0392c601462bb702c0e0368c34b24d80838c11d964cbf7515.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2936 -
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:4784
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Network
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Remote address:8.8.8.8:53Request8.8.8.8.in-addr.arpaIN PTRResponse8.8.8.8.in-addr.arpaIN PTRdnsgoogle
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Remote address:8.8.8.8:53Requestcitrix.vipreclod.comIN AResponse
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Remote address:8.8.8.8:53Request58.55.71.13.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request83.210.23.2.in-addr.arpaIN PTRResponse83.210.23.2.in-addr.arpaIN PTRa2-23-210-83deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request95.221.229.192.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request97.17.167.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request209.205.72.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Requestcitrix.vipreclod.comIN AResponse
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Remote address:8.8.8.8:53Request53.210.109.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request241.42.69.40.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request172.210.232.199.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Requestcitrix.vipreclod.comIN AResponse
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Remote address:8.8.8.8:53Request88.210.23.2.in-addr.arpaIN PTRResponse88.210.23.2.in-addr.arpaIN PTRa2-23-210-88deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Requestcitrix.vipreclod.comIN AResponse
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66 B 90 B 1 1
DNS Request
8.8.8.8.in-addr.arpa
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66 B 134 B 1 1
DNS Request
citrix.vipreclod.com
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70 B 144 B 1 1
DNS Request
58.55.71.13.in-addr.arpa
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70 B 133 B 1 1
DNS Request
83.210.23.2.in-addr.arpa
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73 B 144 B 1 1
DNS Request
95.221.229.192.in-addr.arpa
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71 B 145 B 1 1
DNS Request
97.17.167.52.in-addr.arpa
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72 B 158 B 1 1
DNS Request
209.205.72.20.in-addr.arpa
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66 B 134 B 1 1
DNS Request
citrix.vipreclod.com
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72 B 158 B 1 1
DNS Request
53.210.109.20.in-addr.arpa
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71 B 145 B 1 1
DNS Request
241.42.69.40.in-addr.arpa
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74 B 128 B 1 1
DNS Request
172.210.232.199.in-addr.arpa
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66 B 134 B 1 1
DNS Request
citrix.vipreclod.com
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70 B 133 B 1 1
DNS Request
88.210.23.2.in-addr.arpa
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66 B 134 B 1 1
DNS Request
citrix.vipreclod.com
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
43KB
MD589f1c41f7bc12bc9f027724cd058ae0a
SHA12f40d899523c0d9f2b504bf1ba80f60d94f94329
SHA256e0a73e4029a6429324b5c4bfaef25f61728a6ccc45040adedfe3151570dee611
SHA512b26ee2b69407b3d6f85287255068f88fbb01cd493e1bebdebb17dd343436b4ea26b4602f4a559db657def4b1189d973d8e7f69136b4a85987a68f7815a85cd69