Analysis
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max time kernel
118s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
04-11-2022 05:44
Static task
static1
Behavioral task
behavioral1
Sample
637be346a1b764e9258b244328a60ef2.exe
Resource
win7-20220812-en
General
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Target
637be346a1b764e9258b244328a60ef2.exe
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Size
962KB
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MD5
637be346a1b764e9258b244328a60ef2
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SHA1
b995ae703d98ca0b211b82920ffc5ddb86391861
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SHA256
29aca38a4c1e9a66d6b4bc3ef35413141853da6bd1491c931d7c3a695c3a03dd
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SHA512
09cc5da4074c8a1f81513b14e5ba4254516a0781da24897e1a3422e8c4d5d5f735cfcf9b15c749143da92fe2723e2db3609716f4d859c05a1dc03a278c92d4bb
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SSDEEP
24576:wGmj/1yqMiwFev4DDv26P+7/7gnQzg7799B:wGqy2Z4e6P+j7gnQw79
Malware Config
Extracted
pony
http://185.165.29.116/kjosh1/1/gate.php
Signatures
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Executes dropped EXE 2 IoCs
pid Process 960 shost.exe 1616 shost.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mbosas.exe.vbs shost.exe -
Loads dropped DLL 2 IoCs
pid Process 1048 637be346a1b764e9258b244328a60ef2.exe 1048 637be346a1b764e9258b244328a60ef2.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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts shost.exe -
Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook shost.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 960 set thread context of 1616 960 shost.exe 28 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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NTFS ADS 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\mbosas.exe\shost.exe:ZoneIdentifier 637be346a1b764e9258b244328a60ef2.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1048 637be346a1b764e9258b244328a60ef2.exe 960 shost.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 960 shost.exe 960 shost.exe -
Suspicious use of AdjustPrivilegeToken 32 IoCs
description pid Process Token: SeImpersonatePrivilege 1616 shost.exe Token: SeTcbPrivilege 1616 shost.exe Token: SeChangeNotifyPrivilege 1616 shost.exe Token: SeCreateTokenPrivilege 1616 shost.exe Token: SeBackupPrivilege 1616 shost.exe Token: SeRestorePrivilege 1616 shost.exe Token: SeIncreaseQuotaPrivilege 1616 shost.exe Token: SeAssignPrimaryTokenPrivilege 1616 shost.exe Token: SeImpersonatePrivilege 1616 shost.exe Token: SeTcbPrivilege 1616 shost.exe Token: SeChangeNotifyPrivilege 1616 shost.exe Token: SeCreateTokenPrivilege 1616 shost.exe Token: SeBackupPrivilege 1616 shost.exe Token: SeRestorePrivilege 1616 shost.exe Token: SeIncreaseQuotaPrivilege 1616 shost.exe Token: SeAssignPrimaryTokenPrivilege 1616 shost.exe Token: SeImpersonatePrivilege 1616 shost.exe Token: SeTcbPrivilege 1616 shost.exe Token: SeChangeNotifyPrivilege 1616 shost.exe Token: SeCreateTokenPrivilege 1616 shost.exe Token: SeBackupPrivilege 1616 shost.exe Token: SeRestorePrivilege 1616 shost.exe Token: SeIncreaseQuotaPrivilege 1616 shost.exe Token: SeAssignPrimaryTokenPrivilege 1616 shost.exe Token: SeImpersonatePrivilege 1616 shost.exe Token: SeTcbPrivilege 1616 shost.exe Token: SeChangeNotifyPrivilege 1616 shost.exe Token: SeCreateTokenPrivilege 1616 shost.exe Token: SeBackupPrivilege 1616 shost.exe Token: SeRestorePrivilege 1616 shost.exe Token: SeIncreaseQuotaPrivilege 1616 shost.exe Token: SeAssignPrimaryTokenPrivilege 1616 shost.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1048 wrote to memory of 960 1048 637be346a1b764e9258b244328a60ef2.exe 27 PID 1048 wrote to memory of 960 1048 637be346a1b764e9258b244328a60ef2.exe 27 PID 1048 wrote to memory of 960 1048 637be346a1b764e9258b244328a60ef2.exe 27 PID 1048 wrote to memory of 960 1048 637be346a1b764e9258b244328a60ef2.exe 27 PID 960 wrote to memory of 1616 960 shost.exe 28 PID 960 wrote to memory of 1616 960 shost.exe 28 PID 960 wrote to memory of 1616 960 shost.exe 28 PID 960 wrote to memory of 1616 960 shost.exe 28 PID 1616 wrote to memory of 688 1616 shost.exe 30 PID 1616 wrote to memory of 688 1616 shost.exe 30 PID 1616 wrote to memory of 688 1616 shost.exe 30 PID 1616 wrote to memory of 688 1616 shost.exe 30 -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook shost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\637be346a1b764e9258b244328a60ef2.exe"C:\Users\Admin\AppData\Local\Temp\637be346a1b764e9258b244328a60ef2.exe"1⤵
- Loads dropped DLL
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1048 -
C:\Users\Admin\AppData\Roaming\mbosas.exe\shost.exe"C:\Users\Admin\AppData\Roaming\mbosas.exe\shost.exe"2⤵
- Executes dropped EXE
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:960 -
C:\Users\Admin\AppData\Roaming\mbosas.exe\shost.exe"C:\Users\Admin\AppData\Roaming\mbosas.exe\shost.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook accounts
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_win_path
PID:1616 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\7195234.bat" "C:\Users\Admin\AppData\Roaming\mbosas.exe\shost.exe" "4⤵PID:688
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
94B
MD53880eeb1c736d853eb13b44898b718ab
SHA14eec9d50360cd815211e3c4e6bdd08271b6ec8e6
SHA256936d9411d5226b7c5a150ecaf422987590a8870c8e095e1caa072273041a86e7
SHA5123eaa3dddd7a11942e75acd44208fbe3d3ff8f4006951cd970fb9ab748c160739409803450d28037e577443504707fc310c634e9dc54d0c25e8cfe6094f017c6b
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Filesize
962KB
MD5637be346a1b764e9258b244328a60ef2
SHA1b995ae703d98ca0b211b82920ffc5ddb86391861
SHA25629aca38a4c1e9a66d6b4bc3ef35413141853da6bd1491c931d7c3a695c3a03dd
SHA51209cc5da4074c8a1f81513b14e5ba4254516a0781da24897e1a3422e8c4d5d5f735cfcf9b15c749143da92fe2723e2db3609716f4d859c05a1dc03a278c92d4bb
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Filesize
962KB
MD5637be346a1b764e9258b244328a60ef2
SHA1b995ae703d98ca0b211b82920ffc5ddb86391861
SHA25629aca38a4c1e9a66d6b4bc3ef35413141853da6bd1491c931d7c3a695c3a03dd
SHA51209cc5da4074c8a1f81513b14e5ba4254516a0781da24897e1a3422e8c4d5d5f735cfcf9b15c749143da92fe2723e2db3609716f4d859c05a1dc03a278c92d4bb
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Filesize
962KB
MD5637be346a1b764e9258b244328a60ef2
SHA1b995ae703d98ca0b211b82920ffc5ddb86391861
SHA25629aca38a4c1e9a66d6b4bc3ef35413141853da6bd1491c931d7c3a695c3a03dd
SHA51209cc5da4074c8a1f81513b14e5ba4254516a0781da24897e1a3422e8c4d5d5f735cfcf9b15c749143da92fe2723e2db3609716f4d859c05a1dc03a278c92d4bb
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Filesize
962KB
MD5637be346a1b764e9258b244328a60ef2
SHA1b995ae703d98ca0b211b82920ffc5ddb86391861
SHA25629aca38a4c1e9a66d6b4bc3ef35413141853da6bd1491c931d7c3a695c3a03dd
SHA51209cc5da4074c8a1f81513b14e5ba4254516a0781da24897e1a3422e8c4d5d5f735cfcf9b15c749143da92fe2723e2db3609716f4d859c05a1dc03a278c92d4bb
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Filesize
962KB
MD5637be346a1b764e9258b244328a60ef2
SHA1b995ae703d98ca0b211b82920ffc5ddb86391861
SHA25629aca38a4c1e9a66d6b4bc3ef35413141853da6bd1491c931d7c3a695c3a03dd
SHA51209cc5da4074c8a1f81513b14e5ba4254516a0781da24897e1a3422e8c4d5d5f735cfcf9b15c749143da92fe2723e2db3609716f4d859c05a1dc03a278c92d4bb