Analysis
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max time kernel
150s -
max time network
133s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
03-11-2021 22:59
Static task
static1
Behavioral task
behavioral1
Sample
core.bat
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
core.bat
Resource
win10-en-20210920
Behavioral task
behavioral3
Sample
pigeon64.dat.dll
Resource
win7-en-20210920
Behavioral task
behavioral4
Sample
pigeon64.dat.dll
Resource
win10-en-20211014
General
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Target
core.bat
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Size
184B
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MD5
2b4f27b826aec08eb90ff784b25d048d
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SHA1
b1444548b53ec112797cc7d03a1e227fe71315ca
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SHA256
b976471778c3abead8001c5a7db7d39b461e88bbd5322a579d86c1ca725375fb
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SHA512
d6316825b5372e445941b75b08b04aaee49bab12d752dba4691aac8093100d1632a1b07e6b7d6899c528e6777f0bcfcd977e02a7f8d559b29e205703f573d434
Malware Config
Extracted
icedid
Extracted
icedid
1217670233
nnelforwfin.top
lakogrefop.rest
hangetilin.top
follytresh.co
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auth_var
12
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url_path
/posts/
Signatures
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Blocklisted process makes network request 5 IoCs
Processes:
rundll32.exeflow pid process 3 780 rundll32.exe 5 780 rundll32.exe 6 780 rundll32.exe 7 780 rundll32.exe 9 780 rundll32.exe -
Downloads MZ/PE file
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Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 780 rundll32.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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Accesses Microsoft Outlook profiles 1 TTPs 7 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\13.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Discovers systems in the same network 1 TTPs 2 IoCs
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Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
Processes:
ipconfig.exepid process 1664 ipconfig.exe -
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
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Modifies registry class 2 IoCs
Processes:
rundll32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000_CLASSES\CLSID\{761B2CCE-6E0B-6761-3EDC-F6CB2440F592} rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000_CLASSES\CLSID\{761B2CCE-6E0B-6761-3EDC-F6CB2440F592}\ = 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 rundll32.exe -
Runs net.exe
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
rundll32.exepid process 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe 780 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 40 IoCs
Processes:
WMIC.exedescription pid process Token: SeIncreaseQuotaPrivilege 1268 WMIC.exe Token: SeSecurityPrivilege 1268 WMIC.exe Token: SeTakeOwnershipPrivilege 1268 WMIC.exe Token: SeLoadDriverPrivilege 1268 WMIC.exe Token: SeSystemProfilePrivilege 1268 WMIC.exe Token: SeSystemtimePrivilege 1268 WMIC.exe Token: SeProfSingleProcessPrivilege 1268 WMIC.exe Token: SeIncBasePriorityPrivilege 1268 WMIC.exe Token: SeCreatePagefilePrivilege 1268 WMIC.exe Token: SeBackupPrivilege 1268 WMIC.exe Token: SeRestorePrivilege 1268 WMIC.exe Token: SeShutdownPrivilege 1268 WMIC.exe Token: SeDebugPrivilege 1268 WMIC.exe Token: SeSystemEnvironmentPrivilege 1268 WMIC.exe Token: SeRemoteShutdownPrivilege 1268 WMIC.exe Token: SeUndockPrivilege 1268 WMIC.exe Token: SeManageVolumePrivilege 1268 WMIC.exe Token: 33 1268 WMIC.exe Token: 34 1268 WMIC.exe Token: 35 1268 WMIC.exe Token: SeIncreaseQuotaPrivilege 1268 WMIC.exe Token: SeSecurityPrivilege 1268 WMIC.exe Token: SeTakeOwnershipPrivilege 1268 WMIC.exe Token: SeLoadDriverPrivilege 1268 WMIC.exe Token: SeSystemProfilePrivilege 1268 WMIC.exe Token: SeSystemtimePrivilege 1268 WMIC.exe Token: SeProfSingleProcessPrivilege 1268 WMIC.exe Token: SeIncBasePriorityPrivilege 1268 WMIC.exe Token: SeCreatePagefilePrivilege 1268 WMIC.exe Token: SeBackupPrivilege 1268 WMIC.exe Token: SeRestorePrivilege 1268 WMIC.exe Token: SeShutdownPrivilege 1268 WMIC.exe Token: SeDebugPrivilege 1268 WMIC.exe Token: SeSystemEnvironmentPrivilege 1268 WMIC.exe Token: SeRemoteShutdownPrivilege 1268 WMIC.exe Token: SeUndockPrivilege 1268 WMIC.exe Token: SeManageVolumePrivilege 1268 WMIC.exe Token: 33 1268 WMIC.exe Token: 34 1268 WMIC.exe Token: 35 1268 WMIC.exe -
Suspicious use of WriteProcessMemory 42 IoCs
Processes:
cmd.exerundll32.execmd.exenet.exenet.exedescription pid process target process PID 1168 wrote to memory of 780 1168 cmd.exe rundll32.exe PID 1168 wrote to memory of 780 1168 cmd.exe rundll32.exe PID 1168 wrote to memory of 780 1168 cmd.exe rundll32.exe PID 780 wrote to memory of 436 780 rundll32.exe cmd.exe PID 780 wrote to memory of 436 780 rundll32.exe cmd.exe PID 780 wrote to memory of 436 780 rundll32.exe cmd.exe PID 436 wrote to memory of 1980 436 cmd.exe chcp.com PID 436 wrote to memory of 1980 436 cmd.exe chcp.com PID 436 wrote to memory of 1980 436 cmd.exe chcp.com PID 780 wrote to memory of 1268 780 rundll32.exe WMIC.exe PID 780 wrote to memory of 1268 780 rundll32.exe WMIC.exe PID 780 wrote to memory of 1268 780 rundll32.exe WMIC.exe PID 780 wrote to memory of 1664 780 rundll32.exe ipconfig.exe PID 780 wrote to memory of 1664 780 rundll32.exe ipconfig.exe PID 780 wrote to memory of 1664 780 rundll32.exe ipconfig.exe PID 780 wrote to memory of 1848 780 rundll32.exe systeminfo.exe PID 780 wrote to memory of 1848 780 rundll32.exe systeminfo.exe PID 780 wrote to memory of 1848 780 rundll32.exe systeminfo.exe PID 780 wrote to memory of 908 780 rundll32.exe net.exe PID 780 wrote to memory of 908 780 rundll32.exe net.exe PID 780 wrote to memory of 908 780 rundll32.exe net.exe PID 908 wrote to memory of 964 908 net.exe net1.exe PID 908 wrote to memory of 964 908 net.exe net1.exe PID 908 wrote to memory of 964 908 net.exe net1.exe PID 780 wrote to memory of 1684 780 rundll32.exe nltest.exe PID 780 wrote to memory of 1684 780 rundll32.exe nltest.exe PID 780 wrote to memory of 1684 780 rundll32.exe nltest.exe PID 780 wrote to memory of 1596 780 rundll32.exe nltest.exe PID 780 wrote to memory of 1596 780 rundll32.exe nltest.exe PID 780 wrote to memory of 1596 780 rundll32.exe nltest.exe PID 780 wrote to memory of 812 780 rundll32.exe net.exe PID 780 wrote to memory of 812 780 rundll32.exe net.exe PID 780 wrote to memory of 812 780 rundll32.exe net.exe PID 780 wrote to memory of 2004 780 rundll32.exe net.exe PID 780 wrote to memory of 2004 780 rundll32.exe net.exe PID 780 wrote to memory of 2004 780 rundll32.exe net.exe PID 780 wrote to memory of 1572 780 rundll32.exe net.exe PID 780 wrote to memory of 1572 780 rundll32.exe net.exe PID 780 wrote to memory of 1572 780 rundll32.exe net.exe PID 1572 wrote to memory of 1268 1572 net.exe net1.exe PID 1572 wrote to memory of 1268 1572 net.exe net1.exe PID 1572 wrote to memory of 1268 1572 net.exe net1.exe -
outlook_office_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\core.bat"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\pigeon64.dat,DllMain /i="license.dat"2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\system32\cmd.execmd.exe /c chcp >&23⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\chcp.comchcp4⤵
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C:\Windows\System32\Wbem\WMIC.exeWMIC /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get * /Format:List3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\ipconfig.exeipconfig /all3⤵
- Gathers network information
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C:\Windows\system32\systeminfo.exesysteminfo3⤵
- Gathers system information
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C:\Windows\system32\net.exenet config workstation3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 config workstation4⤵
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C:\Windows\system32\nltest.exenltest /domain_trusts3⤵
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C:\Windows\system32\nltest.exenltest /domain_trusts /all_trusts3⤵
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C:\Windows\system32\net.exenet view /all /domain3⤵
- Discovers systems in the same network
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C:\Windows\system32\net.exenet view /all3⤵
- Discovers systems in the same network
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C:\Windows\system32\net.exenet group "Domain Admins" /domain3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 group "Domain Admins" /domain4⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\license.datMD5
b03af34cc11c8bd53afd958c839dd59f
SHA1d9c90d8f770be66850ea0734580867c16d64b404
SHA25671c9c15896b027fd830423f6226587bdad3f09681799bf3e69abb0479f18a853
SHA512c33204f04a99272a1619a4fe6e3ba5e128c437968f8f570c12ffbf20a71e2b617535a70bf51f9d4ddcccc7f44804a13a4528ece4470e4ee53273ad1806313911
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\Users\Admin\AppData\Local\Temp\sqlite64.dllMD5
26d773a69f6fad3200d49a7aaa77752b
SHA13970ffe8aefe0c30daaec65b85fb103c0fc0f2a7
SHA256fca6b7fe66ad9973f18f407e83b56dacd04197cbd35efc498a342d73d6a113e5
SHA5120041b52514460dda19dd065fc46393f6fbe248a4c62fce28e0819abd952756996b34fdea286eb7814a7c868a12656a065278932760e61e53f7102b0dba324e4f
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memory/436-58-0x0000000000000000-mapping.dmp
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memory/780-57-0x0000000000110000-0x0000000000147000-memory.dmpFilesize
220KB
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memory/780-56-0x0000000000330000-0x0000000000388000-memory.dmpFilesize
352KB
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memory/780-54-0x0000000000000000-mapping.dmp
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memory/812-68-0x0000000000000000-mapping.dmp
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memory/908-64-0x0000000000000000-mapping.dmp
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memory/964-65-0x0000000000000000-mapping.dmp
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memory/1268-71-0x0000000000000000-mapping.dmp
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memory/1268-60-0x0000000000000000-mapping.dmp
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memory/1572-70-0x0000000000000000-mapping.dmp
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memory/1596-67-0x0000000000000000-mapping.dmp
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memory/1664-61-0x0000000000000000-mapping.dmp
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memory/1684-66-0x0000000000000000-mapping.dmp
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memory/1848-62-0x0000000000000000-mapping.dmp
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memory/1980-59-0x0000000000000000-mapping.dmp
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memory/2004-69-0x0000000000000000-mapping.dmp