Analysis
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max time kernel
150s -
max time network
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platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
06-01-2022 15:26
Static task
static1
Behavioral task
behavioral1
Sample
core.bat
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
core.bat
Resource
win10-en-20211208
Behavioral task
behavioral3
Sample
surge-.dat.dll
Resource
win7-en-20211208
Behavioral task
behavioral4
Sample
surge-.dat.dll
Resource
win10-en-20211208
General
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Target
core.bat
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Size
180B
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MD5
92ab94157586e3937dcfd7aaa380a7fb
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SHA1
74a326efc3c891877a8d2657d8a2fe3e37f059f7
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SHA256
dc74ad702adf3a1d49a4070915ffbd1b445c8f0ecfa42357a74380e34793f61d
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SHA512
44a54970a090f43c9dfa1865a0df0d5513cf3836d656f57a4c54d53847d8ada7e71265b53422ab7acbe1781a45742d8bbaa256cc275b514cbd773850cfadb77f
Malware Config
Extracted
icedid
Signatures
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Blocklisted process makes network request 3 IoCs
Processes:
rundll32.exeflow pid process 28 3032 rundll32.exe 29 3032 rundll32.exe 30 3032 rundll32.exe -
Downloads MZ/PE file
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Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 3032 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-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Office\13.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Office\14.0\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 1476 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-1-5-21-369956170-74428499-1628131376-1000_Classes\CLSID\{F0A76A30-FA06-AB59-0F0D-EB1CA6F21A81} rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000_Classes\CLSID\{F0A76A30-FA06-AB59-0F0D-EB1CA6F21A81}\ = 74d5de1023c7ecd0130654b08e862ce47bb587d96d4f1e0938e7d5a9d30bcd57810796aa707b7953422ad57064a1a0c090aa0960a163c7e6229f792ee02bcb71ae4608383d8b2431e16570354221336a5dd729ca832e795e6fa285fa4fa6fb432dae776f3bb6cb715ff7b106ec4194d302126426b83b6a3f638c9f22120cecc51d7ba8823e010dfa8ab4961272204920de426facde235e55a650094ccf9cbc0873fe49981544de8eb89d2e52399e0564765f485c59866403b10579ab8177140db99eaa8218663647ae0a22b91ee0b4fcf8642d9c63819a rundll32.exe -
Runs net.exe
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
rundll32.exepid process 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe 3032 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 42 IoCs
Processes:
WMIC.exedescription pid process Token: SeIncreaseQuotaPrivilege 2684 WMIC.exe Token: SeSecurityPrivilege 2684 WMIC.exe Token: SeTakeOwnershipPrivilege 2684 WMIC.exe Token: SeLoadDriverPrivilege 2684 WMIC.exe Token: SeSystemProfilePrivilege 2684 WMIC.exe Token: SeSystemtimePrivilege 2684 WMIC.exe Token: SeProfSingleProcessPrivilege 2684 WMIC.exe Token: SeIncBasePriorityPrivilege 2684 WMIC.exe Token: SeCreatePagefilePrivilege 2684 WMIC.exe Token: SeBackupPrivilege 2684 WMIC.exe Token: SeRestorePrivilege 2684 WMIC.exe Token: SeShutdownPrivilege 2684 WMIC.exe Token: SeDebugPrivilege 2684 WMIC.exe Token: SeSystemEnvironmentPrivilege 2684 WMIC.exe Token: SeRemoteShutdownPrivilege 2684 WMIC.exe Token: SeUndockPrivilege 2684 WMIC.exe Token: SeManageVolumePrivilege 2684 WMIC.exe Token: 33 2684 WMIC.exe Token: 34 2684 WMIC.exe Token: 35 2684 WMIC.exe Token: 36 2684 WMIC.exe Token: SeIncreaseQuotaPrivilege 2684 WMIC.exe Token: SeSecurityPrivilege 2684 WMIC.exe Token: SeTakeOwnershipPrivilege 2684 WMIC.exe Token: SeLoadDriverPrivilege 2684 WMIC.exe Token: SeSystemProfilePrivilege 2684 WMIC.exe Token: SeSystemtimePrivilege 2684 WMIC.exe Token: SeProfSingleProcessPrivilege 2684 WMIC.exe Token: SeIncBasePriorityPrivilege 2684 WMIC.exe Token: SeCreatePagefilePrivilege 2684 WMIC.exe Token: SeBackupPrivilege 2684 WMIC.exe Token: SeRestorePrivilege 2684 WMIC.exe Token: SeShutdownPrivilege 2684 WMIC.exe Token: SeDebugPrivilege 2684 WMIC.exe Token: SeSystemEnvironmentPrivilege 2684 WMIC.exe Token: SeRemoteShutdownPrivilege 2684 WMIC.exe Token: SeUndockPrivilege 2684 WMIC.exe Token: SeManageVolumePrivilege 2684 WMIC.exe Token: 33 2684 WMIC.exe Token: 34 2684 WMIC.exe Token: 35 2684 WMIC.exe Token: 36 2684 WMIC.exe -
Suspicious use of WriteProcessMemory 28 IoCs
Processes:
cmd.exerundll32.execmd.exenet.exenet.exedescription pid process target process PID 2448 wrote to memory of 3032 2448 cmd.exe rundll32.exe PID 2448 wrote to memory of 3032 2448 cmd.exe rundll32.exe PID 3032 wrote to memory of 684 3032 rundll32.exe cmd.exe PID 3032 wrote to memory of 684 3032 rundll32.exe cmd.exe PID 684 wrote to memory of 1276 684 cmd.exe chcp.com PID 684 wrote to memory of 1276 684 cmd.exe chcp.com PID 3032 wrote to memory of 2684 3032 rundll32.exe WMIC.exe PID 3032 wrote to memory of 2684 3032 rundll32.exe WMIC.exe PID 3032 wrote to memory of 1476 3032 rundll32.exe ipconfig.exe PID 3032 wrote to memory of 1476 3032 rundll32.exe ipconfig.exe PID 3032 wrote to memory of 1256 3032 rundll32.exe systeminfo.exe PID 3032 wrote to memory of 1256 3032 rundll32.exe systeminfo.exe PID 3032 wrote to memory of 2500 3032 rundll32.exe net.exe PID 3032 wrote to memory of 2500 3032 rundll32.exe net.exe PID 2500 wrote to memory of 3096 2500 net.exe net1.exe PID 2500 wrote to memory of 3096 2500 net.exe net1.exe PID 3032 wrote to memory of 3456 3032 rundll32.exe nltest.exe PID 3032 wrote to memory of 3456 3032 rundll32.exe nltest.exe PID 3032 wrote to memory of 1028 3032 rundll32.exe nltest.exe PID 3032 wrote to memory of 1028 3032 rundll32.exe nltest.exe PID 3032 wrote to memory of 1484 3032 rundll32.exe net.exe PID 3032 wrote to memory of 1484 3032 rundll32.exe net.exe PID 3032 wrote to memory of 616 3032 rundll32.exe net.exe PID 3032 wrote to memory of 616 3032 rundll32.exe net.exe PID 3032 wrote to memory of 3160 3032 rundll32.exe net.exe PID 3032 wrote to memory of 3160 3032 rundll32.exe net.exe PID 3160 wrote to memory of 1808 3160 net.exe net1.exe PID 3160 wrote to memory of 1808 3160 net.exe net1.exe -
outlook_office_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\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-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\core.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\surge-.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
PID:3032 -
C:\Windows\system32\cmd.execmd.exe /c chcp >&23⤵
- Suspicious use of WriteProcessMemory
PID:684 -
C:\Windows\system32\chcp.comchcp4⤵PID:1276
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C:\Windows\System32\Wbem\WMIC.exeWMIC /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get * /Format:List3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2684
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C:\Windows\system32\ipconfig.exeipconfig /all3⤵
- Gathers network information
PID:1476
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C:\Windows\system32\systeminfo.exesysteminfo3⤵
- Gathers system information
PID:1256
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C:\Windows\system32\net.exenet config workstation3⤵
- Suspicious use of WriteProcessMemory
PID:2500 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 config workstation4⤵PID:3096
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C:\Windows\system32\nltest.exenltest /domain_trusts3⤵PID:3456
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C:\Windows\system32\nltest.exenltest /domain_trusts /all_trusts3⤵PID:1028
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C:\Windows\system32\net.exenet view /all /domain3⤵
- Discovers systems in the same network
PID:1484
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C:\Windows\system32\net.exenet view /all3⤵
- Discovers systems in the same network
PID:616
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C:\Windows\system32\net.exenet group "Domain Admins" /domain3⤵
- Suspicious use of WriteProcessMemory
PID:3160 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 group "Domain Admins" /domain4⤵PID:1808
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
c7c45636ca690acdab7fba1e9d126f8b
SHA161376304cd90786813a80680a92cef03fedb6484
SHA256cfc202b44509f2f607d365858a8218dfdc6b26f8087efcc5e46f4fef9ab53705
SHA5129e6c7df9f70017b9eeb5868a358bc9eaf50de65dad04640220f380ff72e80bc303f034cb62929abb0c35d951b751732a131ae828c4c01cd1826610423f784db8
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MD5
26d773a69f6fad3200d49a7aaa77752b
SHA13970ffe8aefe0c30daaec65b85fb103c0fc0f2a7
SHA256fca6b7fe66ad9973f18f407e83b56dacd04197cbd35efc498a342d73d6a113e5
SHA5120041b52514460dda19dd065fc46393f6fbe248a4c62fce28e0819abd952756996b34fdea286eb7814a7c868a12656a065278932760e61e53f7102b0dba324e4f