Analysis
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max time kernel
153s -
max time network
154s -
platform
windows7_x64 -
resource
win7-en-20211014 -
submitted
01-12-2021 12:57
Static task
static1
Behavioral task
behavioral1
Sample
core.bat
Resource
win7-en-20211014
Behavioral task
behavioral2
Sample
core.bat
Resource
win10-en-20211104
Behavioral task
behavioral3
Sample
excuse64.dat.dll
Resource
win7-en-20211104
Behavioral task
behavioral4
Sample
excuse64.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
3d8324a955312a7ffcb44b35919f59c7
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SHA1
9fd77adcf0405680c06963c576e192c58561ca5d
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SHA256
743953ecd93245846c2c8b44b9d6c7c5a7a98cba40631102ed5f77d9189df934
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SHA512
deb56530f203f064e7b8c65ae361185d1c734ba3d542f9e47f33224898e6426c918bf860951f4c6c6a51c56ebf328e7b1067ee9494d97e189ee2adc5890c6fbe
Malware Config
Extracted
icedid
Extracted
icedid
1892568649
baeswea.com
bersaww.com
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auth_var
10
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url_path
/news/
Signatures
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Blocklisted process makes network request 5 IoCs
Processes:
rundll32.exeflow pid process 3 1120 rundll32.exe 5 1120 rundll32.exe 6 1120 rundll32.exe 7 1120 rundll32.exe 8 1120 rundll32.exe -
Downloads MZ/PE file
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Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 1120 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-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\13.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\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 1612 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-1-5-21-2955169046-2371869340-1800780948-1000_CLASSES\CLSID\{2EB848D3-8A17-C434-34FA-AA70B9100F8C} rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000_CLASSES\CLSID\{2EB848D3-8A17-C434-34FA-AA70B9100F8C}\ = a67d4b0c2b2e9a7db9d48f1e0ed979870a709e672d65600508ae73d237f8808e7155f53ecc27d17ee883fad57e320e8af217fedb756adf5e0bd2a256a8999929ddc1434525411402b86fb44fb98b1e3457bf6e0ad3f6d23b087606e046200b54f0695a868325101c4c67794d97dee8fc9d680b262b655fb012853234f56fbc5aa18d3555240a83c5ab18e4f6f0fd71f21162b6dd235ed566f0f9c49336512743964526bb147f28d31a7c7452c2062537545a5805a46389 rundll32.exe -
Runs net.exe
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
rundll32.exepid process 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 40 IoCs
Processes:
WMIC.exedescription pid process Token: SeIncreaseQuotaPrivilege 1832 WMIC.exe Token: SeSecurityPrivilege 1832 WMIC.exe Token: SeTakeOwnershipPrivilege 1832 WMIC.exe Token: SeLoadDriverPrivilege 1832 WMIC.exe Token: SeSystemProfilePrivilege 1832 WMIC.exe Token: SeSystemtimePrivilege 1832 WMIC.exe Token: SeProfSingleProcessPrivilege 1832 WMIC.exe Token: SeIncBasePriorityPrivilege 1832 WMIC.exe Token: SeCreatePagefilePrivilege 1832 WMIC.exe Token: SeBackupPrivilege 1832 WMIC.exe Token: SeRestorePrivilege 1832 WMIC.exe Token: SeShutdownPrivilege 1832 WMIC.exe Token: SeDebugPrivilege 1832 WMIC.exe Token: SeSystemEnvironmentPrivilege 1832 WMIC.exe Token: SeRemoteShutdownPrivilege 1832 WMIC.exe Token: SeUndockPrivilege 1832 WMIC.exe Token: SeManageVolumePrivilege 1832 WMIC.exe Token: 33 1832 WMIC.exe Token: 34 1832 WMIC.exe Token: 35 1832 WMIC.exe Token: SeIncreaseQuotaPrivilege 1832 WMIC.exe Token: SeSecurityPrivilege 1832 WMIC.exe Token: SeTakeOwnershipPrivilege 1832 WMIC.exe Token: SeLoadDriverPrivilege 1832 WMIC.exe Token: SeSystemProfilePrivilege 1832 WMIC.exe Token: SeSystemtimePrivilege 1832 WMIC.exe Token: SeProfSingleProcessPrivilege 1832 WMIC.exe Token: SeIncBasePriorityPrivilege 1832 WMIC.exe Token: SeCreatePagefilePrivilege 1832 WMIC.exe Token: SeBackupPrivilege 1832 WMIC.exe Token: SeRestorePrivilege 1832 WMIC.exe Token: SeShutdownPrivilege 1832 WMIC.exe Token: SeDebugPrivilege 1832 WMIC.exe Token: SeSystemEnvironmentPrivilege 1832 WMIC.exe Token: SeRemoteShutdownPrivilege 1832 WMIC.exe Token: SeUndockPrivilege 1832 WMIC.exe Token: SeManageVolumePrivilege 1832 WMIC.exe Token: 33 1832 WMIC.exe Token: 34 1832 WMIC.exe Token: 35 1832 WMIC.exe -
Suspicious use of WriteProcessMemory 42 IoCs
Processes:
cmd.exerundll32.execmd.exenet.exenet.exedescription pid process target process PID 756 wrote to memory of 1120 756 cmd.exe rundll32.exe PID 756 wrote to memory of 1120 756 cmd.exe rundll32.exe PID 756 wrote to memory of 1120 756 cmd.exe rundll32.exe PID 1120 wrote to memory of 1084 1120 rundll32.exe cmd.exe PID 1120 wrote to memory of 1084 1120 rundll32.exe cmd.exe PID 1120 wrote to memory of 1084 1120 rundll32.exe cmd.exe PID 1084 wrote to memory of 304 1084 cmd.exe chcp.com PID 1084 wrote to memory of 304 1084 cmd.exe chcp.com PID 1084 wrote to memory of 304 1084 cmd.exe chcp.com PID 1120 wrote to memory of 1832 1120 rundll32.exe WMIC.exe PID 1120 wrote to memory of 1832 1120 rundll32.exe WMIC.exe PID 1120 wrote to memory of 1832 1120 rundll32.exe WMIC.exe PID 1120 wrote to memory of 1612 1120 rundll32.exe ipconfig.exe PID 1120 wrote to memory of 1612 1120 rundll32.exe ipconfig.exe PID 1120 wrote to memory of 1612 1120 rundll32.exe ipconfig.exe PID 1120 wrote to memory of 804 1120 rundll32.exe systeminfo.exe PID 1120 wrote to memory of 804 1120 rundll32.exe systeminfo.exe PID 1120 wrote to memory of 804 1120 rundll32.exe systeminfo.exe PID 1120 wrote to memory of 1328 1120 rundll32.exe net.exe PID 1120 wrote to memory of 1328 1120 rundll32.exe net.exe PID 1120 wrote to memory of 1328 1120 rundll32.exe net.exe PID 1328 wrote to memory of 1900 1328 net.exe net1.exe PID 1328 wrote to memory of 1900 1328 net.exe net1.exe PID 1328 wrote to memory of 1900 1328 net.exe net1.exe PID 1120 wrote to memory of 2008 1120 rundll32.exe nltest.exe PID 1120 wrote to memory of 2008 1120 rundll32.exe nltest.exe PID 1120 wrote to memory of 2008 1120 rundll32.exe nltest.exe PID 1120 wrote to memory of 972 1120 rundll32.exe nltest.exe PID 1120 wrote to memory of 972 1120 rundll32.exe nltest.exe PID 1120 wrote to memory of 972 1120 rundll32.exe nltest.exe PID 1120 wrote to memory of 964 1120 rundll32.exe net.exe PID 1120 wrote to memory of 964 1120 rundll32.exe net.exe PID 1120 wrote to memory of 964 1120 rundll32.exe net.exe PID 1120 wrote to memory of 1176 1120 rundll32.exe net.exe PID 1120 wrote to memory of 1176 1120 rundll32.exe net.exe PID 1120 wrote to memory of 1176 1120 rundll32.exe net.exe PID 1120 wrote to memory of 1016 1120 rundll32.exe net.exe PID 1120 wrote to memory of 1016 1120 rundll32.exe net.exe PID 1120 wrote to memory of 1016 1120 rundll32.exe net.exe PID 1016 wrote to memory of 1992 1016 net.exe net1.exe PID 1016 wrote to memory of 1992 1016 net.exe net1.exe PID 1016 wrote to memory of 1992 1016 net.exe net1.exe -
outlook_office_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\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-1-5-21-2955169046-2371869340-1800780948-1000\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
PID:756 -
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\excuse64.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:1120 -
C:\Windows\system32\cmd.execmd.exe /c chcp >&23⤵
- Suspicious use of WriteProcessMemory
PID:1084 -
C:\Windows\system32\chcp.comchcp4⤵PID:304
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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:1832
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C:\Windows\system32\ipconfig.exeipconfig /all3⤵
- Gathers network information
PID:1612
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C:\Windows\system32\systeminfo.exesysteminfo3⤵
- Gathers system information
PID:804
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C:\Windows\system32\net.exenet config workstation3⤵
- Suspicious use of WriteProcessMemory
PID:1328 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 config workstation4⤵PID:1900
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C:\Windows\system32\nltest.exenltest /domain_trusts3⤵PID:2008
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C:\Windows\system32\nltest.exenltest /domain_trusts /all_trusts3⤵PID:972
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C:\Windows\system32\net.exenet view /all /domain3⤵
- Discovers systems in the same network
PID:964
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C:\Windows\system32\net.exenet view /all3⤵
- Discovers systems in the same network
PID:1176
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C:\Windows\system32\net.exenet group "Domain Admins" /domain3⤵
- Suspicious use of WriteProcessMemory
PID:1016 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 group "Domain Admins" /domain4⤵PID:1992
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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MD5
c7c45636ca690acdab7fba1e9d126f8b
SHA161376304cd90786813a80680a92cef03fedb6484
SHA256cfc202b44509f2f607d365858a8218dfdc6b26f8087efcc5e46f4fef9ab53705
SHA5129e6c7df9f70017b9eeb5868a358bc9eaf50de65dad04640220f380ff72e80bc303f034cb62929abb0c35d951b751732a131ae828c4c01cd1826610423f784db8
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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MD5
26d773a69f6fad3200d49a7aaa77752b
SHA13970ffe8aefe0c30daaec65b85fb103c0fc0f2a7
SHA256fca6b7fe66ad9973f18f407e83b56dacd04197cbd35efc498a342d73d6a113e5
SHA5120041b52514460dda19dd065fc46393f6fbe248a4c62fce28e0819abd952756996b34fdea286eb7814a7c868a12656a065278932760e61e53f7102b0dba324e4f