Analysis
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max time kernel
153s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
19/11/2022, 03:04
Static task
static1
Behavioral task
behavioral1
Sample
e2030330c3890fe7e5c0758dfd3b7bb78dcb19551defaa66e778aef58040532d.exe
Resource
win7-20220812-en
General
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Target
e2030330c3890fe7e5c0758dfd3b7bb78dcb19551defaa66e778aef58040532d.exe
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Size
140KB
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MD5
254ebbb26745ca4b54813d1e216ed4c0
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SHA1
604c3e464b40b7db1222f75563d4fc98e111be16
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SHA256
e2030330c3890fe7e5c0758dfd3b7bb78dcb19551defaa66e778aef58040532d
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SHA512
8ffa674d9de34d063c5e47f05a3914a135852b93acd282738ef74b622f942ac7a4d30df06a7406f543a954d39dccf9d9ca65547a0bc1871b0f4497439a21093d
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SSDEEP
3072:wOCSgal/jOxAk31p1k8oLM9HXmRFXkxe/3aSd4thwxgQ9:maOqow+Q
Malware Config
Extracted
pony
http://biggybanti.net16.net/biggy01/Panel/gate.php
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payload_url
http://biggybanti.net16.net/biggy01/Panel/biggy01.exe
Signatures
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resource yara_rule behavioral2/memory/3888-135-0x0000000000400000-0x000000000041C000-memory.dmp upx behavioral2/memory/3888-138-0x0000000000400000-0x000000000041C000-memory.dmp upx behavioral2/memory/3888-140-0x0000000000400000-0x000000000041C000-memory.dmp upx behavioral2/memory/3888-141-0x0000000000400000-0x000000000041C000-memory.dmp upx behavioral2/memory/3888-142-0x0000000000400000-0x000000000041C000-memory.dmp upx behavioral2/memory/3888-144-0x0000000000400000-0x000000000041C000-memory.dmp upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts RegAsm.exe -
Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook RegAsm.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3460 set thread context of 3888 3460 e2030330c3890fe7e5c0758dfd3b7bb78dcb19551defaa66e778aef58040532d.exe 84 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 3460 e2030330c3890fe7e5c0758dfd3b7bb78dcb19551defaa66e778aef58040532d.exe Token: SeImpersonatePrivilege 3888 RegAsm.exe Token: SeTcbPrivilege 3888 RegAsm.exe Token: SeChangeNotifyPrivilege 3888 RegAsm.exe Token: SeCreateTokenPrivilege 3888 RegAsm.exe Token: SeBackupPrivilege 3888 RegAsm.exe Token: SeRestorePrivilege 3888 RegAsm.exe Token: SeIncreaseQuotaPrivilege 3888 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 3888 RegAsm.exe Token: SeImpersonatePrivilege 3888 RegAsm.exe Token: SeTcbPrivilege 3888 RegAsm.exe Token: SeChangeNotifyPrivilege 3888 RegAsm.exe Token: SeCreateTokenPrivilege 3888 RegAsm.exe Token: SeBackupPrivilege 3888 RegAsm.exe Token: SeRestorePrivilege 3888 RegAsm.exe Token: SeIncreaseQuotaPrivilege 3888 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 3888 RegAsm.exe Token: SeImpersonatePrivilege 3888 RegAsm.exe Token: SeTcbPrivilege 3888 RegAsm.exe Token: SeChangeNotifyPrivilege 3888 RegAsm.exe Token: SeCreateTokenPrivilege 3888 RegAsm.exe Token: SeBackupPrivilege 3888 RegAsm.exe Token: SeRestorePrivilege 3888 RegAsm.exe Token: SeIncreaseQuotaPrivilege 3888 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 3888 RegAsm.exe Token: SeImpersonatePrivilege 3888 RegAsm.exe Token: SeTcbPrivilege 3888 RegAsm.exe Token: SeChangeNotifyPrivilege 3888 RegAsm.exe Token: SeCreateTokenPrivilege 3888 RegAsm.exe Token: SeBackupPrivilege 3888 RegAsm.exe Token: SeRestorePrivilege 3888 RegAsm.exe Token: SeIncreaseQuotaPrivilege 3888 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 3888 RegAsm.exe Token: SeImpersonatePrivilege 3888 RegAsm.exe Token: SeTcbPrivilege 3888 RegAsm.exe Token: SeChangeNotifyPrivilege 3888 RegAsm.exe Token: SeCreateTokenPrivilege 3888 RegAsm.exe Token: SeBackupPrivilege 3888 RegAsm.exe Token: SeRestorePrivilege 3888 RegAsm.exe Token: SeIncreaseQuotaPrivilege 3888 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 3888 RegAsm.exe Token: SeImpersonatePrivilege 3888 RegAsm.exe Token: SeTcbPrivilege 3888 RegAsm.exe Token: SeChangeNotifyPrivilege 3888 RegAsm.exe Token: SeCreateTokenPrivilege 3888 RegAsm.exe Token: SeBackupPrivilege 3888 RegAsm.exe Token: SeRestorePrivilege 3888 RegAsm.exe Token: SeIncreaseQuotaPrivilege 3888 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 3888 RegAsm.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 3460 wrote to memory of 3888 3460 e2030330c3890fe7e5c0758dfd3b7bb78dcb19551defaa66e778aef58040532d.exe 84 PID 3460 wrote to memory of 3888 3460 e2030330c3890fe7e5c0758dfd3b7bb78dcb19551defaa66e778aef58040532d.exe 84 PID 3460 wrote to memory of 3888 3460 e2030330c3890fe7e5c0758dfd3b7bb78dcb19551defaa66e778aef58040532d.exe 84 PID 3460 wrote to memory of 3888 3460 e2030330c3890fe7e5c0758dfd3b7bb78dcb19551defaa66e778aef58040532d.exe 84 PID 3460 wrote to memory of 3888 3460 e2030330c3890fe7e5c0758dfd3b7bb78dcb19551defaa66e778aef58040532d.exe 84 PID 3460 wrote to memory of 3888 3460 e2030330c3890fe7e5c0758dfd3b7bb78dcb19551defaa66e778aef58040532d.exe 84 PID 3460 wrote to memory of 3888 3460 e2030330c3890fe7e5c0758dfd3b7bb78dcb19551defaa66e778aef58040532d.exe 84 PID 3888 wrote to memory of 3624 3888 RegAsm.exe 87 PID 3888 wrote to memory of 3624 3888 RegAsm.exe 87 PID 3888 wrote to memory of 3624 3888 RegAsm.exe 87 -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e2030330c3890fe7e5c0758dfd3b7bb78dcb19551defaa66e778aef58040532d.exe"C:\Users\Admin\AppData\Local\Temp\e2030330c3890fe7e5c0758dfd3b7bb78dcb19551defaa66e778aef58040532d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3460 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook accounts
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_win_path
PID:3888 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\240608656.bat" "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" "3⤵PID:3624
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
94B
MD53880eeb1c736d853eb13b44898b718ab
SHA14eec9d50360cd815211e3c4e6bdd08271b6ec8e6
SHA256936d9411d5226b7c5a150ecaf422987590a8870c8e095e1caa072273041a86e7
SHA5123eaa3dddd7a11942e75acd44208fbe3d3ff8f4006951cd970fb9ab748c160739409803450d28037e577443504707fc310c634e9dc54d0c25e8cfe6094f017c6b