Analysis

  • max time kernel
    144s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/02/2024, 03:14

General

  • Target
    9a9c29b7c86f85ba69867fe9eca96032.dll
  • Size 17.5MB
  • Sample240214-drg81agg68
  • SHA256 21917cd411471ca69b1c99e31021daca3abb99230847fabd831efa9f262c9d91
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • danabot

Version
  • 1987

Botnet
  • 15

C2
  • 192.52.166.169:443

  • 173.254.204.95:443

  • 192.52.167.45:443

Attributes
  • embedded_hash

    D6A9A294BFDC6F13BFCC2AB0FA9B54B9

  • type

    main

rsa_privkey.plain
rsa_pubkey.plain

Signatures

  • Danabot

    Danabot is a modular banking Trojan that has been linked with other malware.

  • Blocklisted process makes network request 10 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 4 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 19 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a9c29b7c86f85ba69867fe9eca96032.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a9c29b7c86f85ba69867fe9eca96032.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3628
      • C:\Windows\SysWOW64\RUNDLL32.EXE
        C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\9a9c29b7c86f85ba69867fe9eca96032.dll,ZFETUWM=
        3⤵
        • Blocklisted process makes network request
        • Checks computer location settings
        • Accesses Microsoft Outlook accounts
        • Accesses Microsoft Outlook profiles
        • Checks processor information in registry
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:3116
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmp5062.tmp.ps1"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3160
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmp6534.tmp.ps1"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4524
          • C:\Windows\SysWOW64\nslookup.exe
            "C:\Windows\system32\nslookup.exe" -type=any localhost
            5⤵
              PID:4488
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
            4⤵
              PID:2544
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
              4⤵
                PID:3616

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              powershell.exe.log

              • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
              • Size 2KB
              • SHA256 139a32ad96800367dc709be507e2b78e667610000be7c68f94c174e6fa60f84f
              • MD5 SHA1 SHA512

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 17KB
              • SHA256 7e75938583031d01bbb75c518a6e5c29d63f849ffb83496d2f7ea16524d62c95
              • MD5 SHA1 SHA512 SSDEEP

              __PSScriptPolicyTest_42n3twmu.xtj.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_42n3twmu.xtj.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512

              tmp5062.tmp.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\tmp5062.tmp.ps1
              • Size 261B
              • SHA256 5788d61ce8dab82b327265b14d5a754d028c77e4c09bc5a85698a312ac9490b9
              • MD5 SHA1 SHA512

              tmp5063.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\tmp5063.tmp
              • Size 1KB
              • SHA256 0600d59103840dff210778179fdfba904dcb737a4bfdb35384608698c86ea046
              • MD5 SHA1 SHA512

              tmp6534.tmp.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\tmp6534.tmp.ps1
              • Size 80B
              • SHA256 92a90fb158764543c6ea2a8ca2d70f23007f01a29c19681b82a4793d368e86c5
              • MD5 SHA1 SHA512

              tmp6535.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\tmp6535.tmp
              • Size 86B
              • SHA256 0c4bb6ae7726faa47aef8459bcf37bf9ca16f0b93fd52790932adaf7845d1fb1
              • MD5 SHA1 SHA512

              memory/3116-3-0x0000000003A70000-0x0000000003A71000-memory.dmp

              memory/3116-70-0x0000000002240000-0x00000000034D6000-memory.dmp

              memory/3116-73-0x0000000002240000-0x00000000034D6000-memory.dmp

              memory/3116-75-0x0000000002240000-0x00000000034D6000-memory.dmp

              memory/3116-76-0x0000000002240000-0x00000000034D6000-memory.dmp

              memory/3116-2-0x0000000002240000-0x00000000034D6000-memory.dmp

              memory/3116-84-0x0000000002240000-0x00000000034D6000-memory.dmp

              memory/3160-34-0x0000000007B90000-0x000000000820A000-memory.dmp

              memory/3160-17-0x0000000005490000-0x00000000054B2000-memory.dmp

              memory/3160-30-0x0000000006320000-0x000000000633E000-memory.dmp

              memory/3160-33-0x0000000006670000-0x000000000667A000-memory.dmp

              memory/3160-12-0x00000000012E0000-0x0000000001316000-memory.dmp

              memory/3160-35-0x00000000068B0000-0x00000000068CA000-memory.dmp

              memory/3160-36-0x0000000006950000-0x0000000006958000-memory.dmp

              memory/3160-40-0x0000000071B90000-0x0000000072340000-memory.dmp

              memory/3160-29-0x0000000005E90000-0x00000000061E4000-memory.dmp

              memory/3160-24-0x0000000005D20000-0x0000000005D86000-memory.dmp

              memory/3160-13-0x0000000071B90000-0x0000000072340000-memory.dmp

              memory/3160-14-0x0000000001290000-0x00000000012A0000-memory.dmp

              memory/3160-15-0x0000000001290000-0x00000000012A0000-memory.dmp

              memory/3160-16-0x0000000005680000-0x0000000005CA8000-memory.dmp

              memory/3160-18-0x0000000005CB0000-0x0000000005D16000-memory.dmp

              memory/3160-31-0x0000000006380000-0x00000000063CC000-memory.dmp

              memory/3628-0-0x00000000023D0000-0x0000000003666000-memory.dmp

              memory/3628-1-0x0000000003D20000-0x0000000003D21000-memory.dmp

              memory/4524-62-0x0000000006760000-0x00000000067AC000-memory.dmp

              memory/4524-66-0x00000000714A0000-0x0000000071C50000-memory.dmp

              memory/4524-51-0x00000000060A0000-0x00000000063F4000-memory.dmp

              memory/4524-49-0x00000000051F0000-0x0000000005200000-memory.dmp

              memory/4524-50-0x00000000051F0000-0x0000000005200000-memory.dmp

              memory/4524-48-0x00000000714A0000-0x0000000071C50000-memory.dmp