Analysis
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max time kernel
106s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21-08-2024 18:30
Behavioral task
behavioral1
Sample
aedc421a59bad8bd9d6a08f435f13010N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
aedc421a59bad8bd9d6a08f435f13010N.exe
Resource
win10v2004-20240802-en
General
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Target
aedc421a59bad8bd9d6a08f435f13010N.exe
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Size
92KB
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MD5
aedc421a59bad8bd9d6a08f435f13010
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SHA1
923cd138dc6a39d79ff7a0f520c4efa02d6e3799
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SHA256
1c373d19558b81e2cee2f79cb86b626ce2b6df9091c6d263c083b376d3bf2c0d
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SHA512
c646acb11055080d20758c62901baa70ea1fa079804082fc74d25ae181e4d2a4e873b9ed16ccbd0952dfd198f16a989d692cea240a54551388cf5d0f1703f594
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SSDEEP
1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrY:9bfVk29te2jqxCEtg30Bk
Malware Config
Extracted
sakula
www.savmpet.com
Signatures
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Sakula payload 1 IoCs
resource yara_rule behavioral2/files/0x00080000000234c8-2.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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation aedc421a59bad8bd9d6a08f435f13010N.exe -
Executes dropped EXE 1 IoCs
pid Process 4356 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" aedc421a59bad8bd9d6a08f435f13010N.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 aedc421a59bad8bd9d6a08f435f13010N.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 4944 cmd.exe 4672 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4672 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1884 aedc421a59bad8bd9d6a08f435f13010N.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1884 wrote to memory of 4356 1884 aedc421a59bad8bd9d6a08f435f13010N.exe 84 PID 1884 wrote to memory of 4356 1884 aedc421a59bad8bd9d6a08f435f13010N.exe 84 PID 1884 wrote to memory of 4356 1884 aedc421a59bad8bd9d6a08f435f13010N.exe 84 PID 1884 wrote to memory of 4944 1884 aedc421a59bad8bd9d6a08f435f13010N.exe 97 PID 1884 wrote to memory of 4944 1884 aedc421a59bad8bd9d6a08f435f13010N.exe 97 PID 1884 wrote to memory of 4944 1884 aedc421a59bad8bd9d6a08f435f13010N.exe 97 PID 4944 wrote to memory of 4672 4944 cmd.exe 99 PID 4944 wrote to memory of 4672 4944 cmd.exe 99 PID 4944 wrote to memory of 4672 4944 cmd.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\aedc421a59bad8bd9d6a08f435f13010N.exe"C:\Users\Admin\AppData\Local\Temp\aedc421a59bad8bd9d6a08f435f13010N.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:1884 -
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:4356
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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\aedc421a59bad8bd9d6a08f435f13010N.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4944 -
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:4672
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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
92KB
MD5d75bf17a65b46d563f6ae30903007ef2
SHA16b5af0054f3b0658d22362d0d4c6c78d9f8d9ca9
SHA2564f7b152c418dad1f5419696bf97b673a470569094a3b188f75691e362a049c76
SHA51288365a85bdac72ada35b6d072f3d5dbe49c855adc154d8c4e536acccfb2a5e4bd2bfdf6349e7360629db0c5af784229fd358eed59bf307d04413b1451342d044