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Analysis
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max time kernel
121s -
max time network
131s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
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submitted
15/10/2023, 19:40
General
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Target
81a16156ca94d496ea3f0d759a1a2710_exe32.exe
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Size
118KB
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MD5
81a16156ca94d496ea3f0d759a1a2710
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SHA1
81fdb897d88ec7ee48fa37c743513c296332d34c
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SHA256
8701b13c0c696f8c8780d1bda117ed7e8665f447e06e4547f3baa84452ddeebf
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SHA512
6d1c09c1af26b40e8230c15181405e3b437db54902f323d381ebf1596b0e856466b46222bad5d0c174a4d8c8509b1f5e644d92d5564e6a4068db82f0ffe6e82d
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SSDEEP
1536:+wycPRhTWVyMl42vO9GSmh4WVNujvom8HB1aom2WmTP0z5U6S3flsu3TDAS:+DWRRHMl9vObmKT18HB1q80zC6S3flsi
Malware Config
Extracted
sality
http://89.119.67.154/testo5/
http://kukutrustnet777.info/home.gif
http://kukutrustnet888.info/home.gif
http://kukutrustnet987.info/home.gif
http://www.klkjwre9fqwieluoi.info/
http://kukutrustnet777888.info/
Signatures
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Modifies firewall policy service 2 TTPs 3 IoCs
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Sality
Sality is backdoor written in C++, first discovered in 2003.
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UAC bypass 3 TTPs 1 IoCs
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Windows security bypass 2 TTPs 6 IoCs
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Disables RegEdit via registry modification 1 IoCs
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Disables Task Manager via registry modification
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UPX packed file 12 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Windows security modification 2 TTPs 7 IoCs
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Drops file in Windows directory 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 1 IoCs
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Suspicious use of AdjustPrivilegeToken 20 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
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System policy modification 1 TTPs 1 IoCs
Processes
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Users\Admin\AppData\Local\Temp\81a16156ca94d496ea3f0d759a1a2710_exe32.exe"C:\Users\Admin\AppData\Local\Temp\81a16156ca94d496ea3f0d759a1a2710_exe32.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Disables RegEdit via registry modification
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Program Files (x86)\Common Files\Newsoft\NSM2VDec.ax"3⤵
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
8KB
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Filesize
4KB
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Filesize
16.6MB
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Filesize
16.6MB
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Filesize
116KB
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Filesize
16.6MB
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Filesize
16.6MB
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Filesize
8KB
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Filesize
4KB
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Filesize
16.6MB
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Filesize
8KB
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Filesize
16.6MB
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Filesize
16.6MB
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Filesize
16.6MB
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Filesize
16.6MB
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Filesize
16.6MB
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Filesize
16.6MB
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Filesize
8KB
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Filesize
16.6MB
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Filesize
116KB