Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    03/08/2021, 14:57

General

  • Target
    e0b47c716f0d29997212ccb7c30686a3.exe
  • Size 1.0MB
  • Sample210803-4vcnar6nyx
  • SHA256 e83e6702c3b59f275981161db3eabdb589051a4d36ad2d74c34a8fc45cb31a30
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • danabot

Version
  • 1987

Botnet
  • 4

C2
  • 142.11.244.124:443

  • 142.11.206.50:443

Attributes
  • embedded_hash

    6AD9FE4F9E491E785665E0D144F61DAB

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 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

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

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 20 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e0b47c716f0d29997212ccb7c30686a3.exe
    "C:\Users\Admin\AppData\Local\Temp\e0b47c716f0d29997212ccb7c30686a3.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1864
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\E0B47C~1.TMP,S C:\Users\Admin\AppData\Local\Temp\E0B47C~1.EXE
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1660
      • C:\Windows\SysWOW64\RUNDLL32.EXE
        C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\E0B47C~1.TMP,cRRdVg==
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Checks processor information in registry
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1036
        • 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\tmp69F9.tmp.ps1"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:760
        • 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\tmp80C6.tmp.ps1"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1300
          • C:\Windows\SysWOW64\nslookup.exe
            "C:\Windows\system32\nslookup.exe" -type=any localhost
            5⤵
              PID:1380
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
            4⤵
              PID:1188
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
              4⤵
                PID:1840

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              memory/760-103-0x0000000006320000-0x0000000006321000-memory.dmp

              memory/760-105-0x000000007EF30000-0x000000007EF31000-memory.dmp

              memory/760-86-0x0000000005240000-0x0000000005241000-memory.dmp

              memory/760-84-0x00000000010C2000-0x00000000010C3000-memory.dmp

              memory/760-90-0x0000000005720000-0x0000000005721000-memory.dmp

              memory/760-95-0x0000000005790000-0x0000000005791000-memory.dmp

              memory/760-96-0x00000000061F0000-0x00000000061F1000-memory.dmp

              memory/760-82-0x0000000004700000-0x0000000004701000-memory.dmp

              memory/760-104-0x0000000006340000-0x0000000006341000-memory.dmp

              memory/760-85-0x0000000004640000-0x0000000004641000-memory.dmp

              memory/760-81-0x0000000000F40000-0x0000000000F41000-memory.dmp

              memory/760-83-0x00000000010C0000-0x00000000010C1000-memory.dmp

              memory/1036-78-0x0000000002510000-0x00000000037A6000-memory.dmp

              memory/1036-73-0x00000000009C0000-0x0000000000B1D000-memory.dmp

              memory/1300-114-0x0000000004850000-0x0000000004851000-memory.dmp

              memory/1300-112-0x0000000004890000-0x0000000004891000-memory.dmp

              memory/1300-111-0x0000000002750000-0x0000000002751000-memory.dmp

              memory/1300-110-0x00000000048D0000-0x00000000048D1000-memory.dmp

              memory/1300-125-0x00000000057F0000-0x00000000057F1000-memory.dmp

              memory/1300-109-0x00000000006F0000-0x00000000006F1000-memory.dmp

              memory/1300-113-0x0000000004892000-0x0000000004893000-memory.dmp

              memory/1660-65-0x0000000000860000-0x00000000009BD000-memory.dmp

              memory/1660-75-0x00000000026A0000-0x0000000003936000-memory.dmp

              memory/1864-67-0x0000000000400000-0x0000000002D43000-memory.dmp

              memory/1864-66-0x0000000004590000-0x000000000468D000-memory.dmp

              memory/1864-60-0x0000000076A81000-0x0000000076A83000-memory.dmp