Analysis
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max time kernel
73s -
max time network
80s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
02-10-2022 12:28
Static task
static1
Behavioral task
behavioral1
Sample
b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe
Resource
win7-20220812-en
General
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Target
b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe
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Size
101KB
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MD5
7002528c7ca3679ec9c636998bfd2220
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SHA1
1dba14ebed4575cf45a13dc4402c55a1d863ebe2
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SHA256
b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660
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SHA512
1f73311cdda9dfb3cd7777b3af89a5739345582e2b9957aad041650b6ce2f4e27305d68eb13001ccc4b947c29e160f8ff8fc9e3d56d6fa258ae777f379429a6b
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SSDEEP
3072:e5WwE8ZAqVohyz1RReQFuqQw/EwSJIjIOi:e5WhrkheQFbQCEwS
Malware Config
Extracted
pony
http://colekary.info:2013/pic/staff.php
http://pvelrary.info:2013/pic/staff.php
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payload_url
http://pvelrary.info:2013/pic/poclbm.exe
Signatures
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Drops file in Drivers directory 3 IoCs
Processes:
b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.execmd.exedescription ioc process File created C:\Windows\system32\drivers\etc\tmp.tmp b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe File created C:\Windows\system32\drivers\etc\hosts.sam cmd.exe File opened for modification C:\Windows\system32\drivers\etc\hosts.sam cmd.exe -
Processes:
resource yara_rule behavioral1/memory/1228-55-0x0000000000400000-0x0000000000432000-memory.dmp upx behavioral1/memory/1228-57-0x0000000000400000-0x0000000000432000-memory.dmp upx behavioral1/memory/1228-60-0x0000000000400000-0x0000000000432000-memory.dmp upx -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1488 cmd.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
Processes:
b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe -
Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
Processes:
b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.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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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 32 IoCs
Processes:
b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exedescription pid process Token: SeImpersonatePrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeTcbPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeChangeNotifyPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeCreateTokenPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeBackupPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeRestorePrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeIncreaseQuotaPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeAssignPrimaryTokenPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeImpersonatePrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeTcbPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeChangeNotifyPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeCreateTokenPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeBackupPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeRestorePrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeIncreaseQuotaPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeAssignPrimaryTokenPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeImpersonatePrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeTcbPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeChangeNotifyPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeCreateTokenPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeBackupPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeRestorePrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeIncreaseQuotaPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeAssignPrimaryTokenPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeImpersonatePrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeTcbPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeChangeNotifyPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeCreateTokenPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeBackupPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeRestorePrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeIncreaseQuotaPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe Token: SeAssignPrimaryTokenPrivilege 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.execmd.exedescription pid process target process PID 1228 wrote to memory of 1440 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe cmd.exe PID 1228 wrote to memory of 1440 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe cmd.exe PID 1228 wrote to memory of 1440 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe cmd.exe PID 1228 wrote to memory of 1440 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe cmd.exe PID 1228 wrote to memory of 1488 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe cmd.exe PID 1228 wrote to memory of 1488 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe cmd.exe PID 1228 wrote to memory of 1488 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe cmd.exe PID 1228 wrote to memory of 1488 1228 b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe cmd.exe PID 1440 wrote to memory of 564 1440 cmd.exe at.exe PID 1440 wrote to memory of 564 1440 cmd.exe at.exe PID 1440 wrote to memory of 564 1440 cmd.exe at.exe PID 1440 wrote to memory of 564 1440 cmd.exe at.exe -
outlook_win_path 1 IoCs
Processes:
b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe"C:\Users\Admin\AppData\Local\Temp\b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe"1⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook accounts
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_win_path
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c copy C:\Windows\system32\drivers\etc\hosts C:\Windows\system32\drivers\etc\hosts.sam /Y && at 18:21:00 /every:M,T,W,Th,F,S,Su cmd.exe "/c attrib -H C:\Windows\system32\drivers\etc\hosts && copy C:\Users\Admin\AppData\Local\Temp\7164923aq C:\Windows\system32\drivers\etc\hosts /Y && attrib +H C:\Windows\system32\drivers\etc\hosts"2⤵
- Drops file in Drivers directory
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\at.exeat 18:21:00 /every:M,T,W,Th,F,S,Su cmd.exe "/c attrib -H C:\Windows\system32\drivers\etc\hosts && copy C:\Users\Admin\AppData\Local\Temp\7164923aq C:\Windows\system32\drivers\etc\hosts /Y && attrib +H C:\Windows\system32\drivers\etc\hosts"3⤵
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\7165141.bat" "C:\Users\Admin\AppData\Local\Temp\b91f8434f2b101183098d13fb1bf15c0ee7690429d7026993da2dbe7ffd54660.exe" "2⤵
- Deletes itself
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\7165141.batFilesize
94B
MD53880eeb1c736d853eb13b44898b718ab
SHA14eec9d50360cd815211e3c4e6bdd08271b6ec8e6
SHA256936d9411d5226b7c5a150ecaf422987590a8870c8e095e1caa072273041a86e7
SHA5123eaa3dddd7a11942e75acd44208fbe3d3ff8f4006951cd970fb9ab748c160739409803450d28037e577443504707fc310c634e9dc54d0c25e8cfe6094f017c6b
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memory/564-61-0x0000000000000000-mapping.dmp
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memory/1228-54-0x0000000075561000-0x0000000075563000-memory.dmpFilesize
8KB
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memory/1228-55-0x0000000000400000-0x0000000000432000-memory.dmpFilesize
200KB
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memory/1228-56-0x0000000000220000-0x0000000000252000-memory.dmpFilesize
200KB
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memory/1228-57-0x0000000000400000-0x0000000000432000-memory.dmpFilesize
200KB
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memory/1228-60-0x0000000000400000-0x0000000000432000-memory.dmpFilesize
200KB
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memory/1440-58-0x0000000000000000-mapping.dmp
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memory/1488-59-0x0000000000000000-mapping.dmp