Analysis
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max time kernel
151s -
max time network
134s -
platform
windows7_x64 -
resource
win7-en-20211104 -
submitted
18-11-2021 21:39
Static task
static1
Behavioral task
behavioral1
Sample
core.bat
Resource
win7-en-20211104
Behavioral task
behavioral2
Sample
core.bat
Resource
win10-en-20211014
Behavioral task
behavioral3
Sample
tankx64.dat.dll
Resource
win7-en-20211104
Behavioral task
behavioral4
Sample
tankx64.dat.dll
Resource
win10-en-20211104
General
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Target
core.bat
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Size
182B
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MD5
63576ba479ae61e2de46ac073ca881aa
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SHA1
4b6b8bee793ebd7adcd83203592d7864221378aa
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SHA256
754e8df4cf961cbc099177d841f6acbfaf8662142a0e4428e175d27e8d518adf
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SHA512
cd9a0a936a60e746cd429ac292fa803c5a3bfb5d5a3862d3d4c5b798539e9a21c5ddb4205cc6e83de2fb7800dc05275f90cfa9975346b9ab6f4bd3c271e8c884
Malware Config
Extracted
icedid
Extracted
icedid
2237127122
lokidasterreno.site
onmentalsocio.top
burgomustopr.rest
lopityr4.pw
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auth_var
2
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url_path
/posts/
Signatures
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Blocklisted process makes network request 6 IoCs
Processes:
rundll32.exeflow pid process 3 992 rundll32.exe 5 992 rundll32.exe 6 992 rundll32.exe 7 992 rundll32.exe 8 992 rundll32.exe 10 992 rundll32.exe -
Downloads MZ/PE file
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Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 992 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-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\13.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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 2004 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-1-5-21-103686315-404690609-2047157615-1000_CLASSES\CLSID\{B90F9885-93A2-C24C-18BC-E91461DE9041} rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000_CLASSES\CLSID\{B90F9885-93A2-C24C-18BC-E91461DE9041}\ = 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 rundll32.exe -
Runs net.exe
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
rundll32.exepid process 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 40 IoCs
Processes:
WMIC.exedescription pid process Token: SeIncreaseQuotaPrivilege 1064 WMIC.exe Token: SeSecurityPrivilege 1064 WMIC.exe Token: SeTakeOwnershipPrivilege 1064 WMIC.exe Token: SeLoadDriverPrivilege 1064 WMIC.exe Token: SeSystemProfilePrivilege 1064 WMIC.exe Token: SeSystemtimePrivilege 1064 WMIC.exe Token: SeProfSingleProcessPrivilege 1064 WMIC.exe Token: SeIncBasePriorityPrivilege 1064 WMIC.exe Token: SeCreatePagefilePrivilege 1064 WMIC.exe Token: SeBackupPrivilege 1064 WMIC.exe Token: SeRestorePrivilege 1064 WMIC.exe Token: SeShutdownPrivilege 1064 WMIC.exe Token: SeDebugPrivilege 1064 WMIC.exe Token: SeSystemEnvironmentPrivilege 1064 WMIC.exe Token: SeRemoteShutdownPrivilege 1064 WMIC.exe Token: SeUndockPrivilege 1064 WMIC.exe Token: SeManageVolumePrivilege 1064 WMIC.exe Token: 33 1064 WMIC.exe Token: 34 1064 WMIC.exe Token: 35 1064 WMIC.exe Token: SeIncreaseQuotaPrivilege 1064 WMIC.exe Token: SeSecurityPrivilege 1064 WMIC.exe Token: SeTakeOwnershipPrivilege 1064 WMIC.exe Token: SeLoadDriverPrivilege 1064 WMIC.exe Token: SeSystemProfilePrivilege 1064 WMIC.exe Token: SeSystemtimePrivilege 1064 WMIC.exe Token: SeProfSingleProcessPrivilege 1064 WMIC.exe Token: SeIncBasePriorityPrivilege 1064 WMIC.exe Token: SeCreatePagefilePrivilege 1064 WMIC.exe Token: SeBackupPrivilege 1064 WMIC.exe Token: SeRestorePrivilege 1064 WMIC.exe Token: SeShutdownPrivilege 1064 WMIC.exe Token: SeDebugPrivilege 1064 WMIC.exe Token: SeSystemEnvironmentPrivilege 1064 WMIC.exe Token: SeRemoteShutdownPrivilege 1064 WMIC.exe Token: SeUndockPrivilege 1064 WMIC.exe Token: SeManageVolumePrivilege 1064 WMIC.exe Token: 33 1064 WMIC.exe Token: 34 1064 WMIC.exe Token: 35 1064 WMIC.exe -
Suspicious use of WriteProcessMemory 42 IoCs
Processes:
cmd.exerundll32.execmd.exenet.exenet.exedescription pid process target process PID 852 wrote to memory of 992 852 cmd.exe rundll32.exe PID 852 wrote to memory of 992 852 cmd.exe rundll32.exe PID 852 wrote to memory of 992 852 cmd.exe rundll32.exe PID 992 wrote to memory of 436 992 rundll32.exe cmd.exe PID 992 wrote to memory of 436 992 rundll32.exe cmd.exe PID 992 wrote to memory of 436 992 rundll32.exe cmd.exe PID 436 wrote to memory of 1956 436 cmd.exe chcp.com PID 436 wrote to memory of 1956 436 cmd.exe chcp.com PID 436 wrote to memory of 1956 436 cmd.exe chcp.com PID 992 wrote to memory of 1064 992 rundll32.exe WMIC.exe PID 992 wrote to memory of 1064 992 rundll32.exe WMIC.exe PID 992 wrote to memory of 1064 992 rundll32.exe WMIC.exe PID 992 wrote to memory of 2004 992 rundll32.exe ipconfig.exe PID 992 wrote to memory of 2004 992 rundll32.exe ipconfig.exe PID 992 wrote to memory of 2004 992 rundll32.exe ipconfig.exe PID 992 wrote to memory of 1644 992 rundll32.exe systeminfo.exe PID 992 wrote to memory of 1644 992 rundll32.exe systeminfo.exe PID 992 wrote to memory of 1644 992 rundll32.exe systeminfo.exe PID 992 wrote to memory of 968 992 rundll32.exe net.exe PID 992 wrote to memory of 968 992 rundll32.exe net.exe PID 992 wrote to memory of 968 992 rundll32.exe net.exe PID 968 wrote to memory of 1740 968 net.exe net1.exe PID 968 wrote to memory of 1740 968 net.exe net1.exe PID 968 wrote to memory of 1740 968 net.exe net1.exe PID 992 wrote to memory of 1604 992 rundll32.exe nltest.exe PID 992 wrote to memory of 1604 992 rundll32.exe nltest.exe PID 992 wrote to memory of 1604 992 rundll32.exe nltest.exe PID 992 wrote to memory of 828 992 rundll32.exe nltest.exe PID 992 wrote to memory of 828 992 rundll32.exe nltest.exe PID 992 wrote to memory of 828 992 rundll32.exe nltest.exe PID 992 wrote to memory of 1160 992 rundll32.exe net.exe PID 992 wrote to memory of 1160 992 rundll32.exe net.exe PID 992 wrote to memory of 1160 992 rundll32.exe net.exe PID 992 wrote to memory of 1944 992 rundll32.exe net.exe PID 992 wrote to memory of 1944 992 rundll32.exe net.exe PID 992 wrote to memory of 1944 992 rundll32.exe net.exe PID 992 wrote to memory of 1652 992 rundll32.exe net.exe PID 992 wrote to memory of 1652 992 rundll32.exe net.exe PID 992 wrote to memory of 1652 992 rundll32.exe net.exe PID 1652 wrote to memory of 1900 1652 net.exe net1.exe PID 1652 wrote to memory of 1900 1652 net.exe net1.exe PID 1652 wrote to memory of 1900 1652 net.exe net1.exe -
outlook_office_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\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-1-5-21-103686315-404690609-2047157615-1000\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\tankx64.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
c7c45636ca690acdab7fba1e9d126f8b
SHA161376304cd90786813a80680a92cef03fedb6484
SHA256cfc202b44509f2f607d365858a8218dfdc6b26f8087efcc5e46f4fef9ab53705
SHA5129e6c7df9f70017b9eeb5868a358bc9eaf50de65dad04640220f380ff72e80bc303f034cb62929abb0c35d951b751732a131ae828c4c01cd1826610423f784db8
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\??\PIPE\NETLOGONMD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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\Users\Admin\AppData\Local\Temp\sqlite64.dllMD5
26d773a69f6fad3200d49a7aaa77752b
SHA13970ffe8aefe0c30daaec65b85fb103c0fc0f2a7
SHA256fca6b7fe66ad9973f18f407e83b56dacd04197cbd35efc498a342d73d6a113e5
SHA5120041b52514460dda19dd065fc46393f6fbe248a4c62fce28e0819abd952756996b34fdea286eb7814a7c868a12656a065278932760e61e53f7102b0dba324e4f
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memory/436-59-0x0000000000000000-mapping.dmp
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memory/828-67-0x0000000000000000-mapping.dmp
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memory/968-64-0x0000000000000000-mapping.dmp
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memory/992-55-0x0000000000000000-mapping.dmp
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memory/992-57-0x00000000002E0000-0x0000000000339000-memory.dmpFilesize
356KB
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memory/992-58-0x0000000000190000-0x00000000001C7000-memory.dmpFilesize
220KB
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memory/1064-61-0x0000000000000000-mapping.dmp
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memory/1160-69-0x0000000000000000-mapping.dmp
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memory/1604-66-0x0000000000000000-mapping.dmp
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memory/1644-63-0x0000000000000000-mapping.dmp
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memory/1652-72-0x0000000000000000-mapping.dmp
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memory/1740-65-0x0000000000000000-mapping.dmp
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memory/1900-73-0x0000000000000000-mapping.dmp
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memory/1944-71-0x0000000000000000-mapping.dmp
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memory/1956-60-0x0000000000000000-mapping.dmp
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memory/2004-62-0x0000000000000000-mapping.dmp