Analysis

  • max time kernel
    148s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    18-02-2021 18:47

General

  • Target

    document-1743692288.xls

  • Size

    88KB

  • MD5

    fa1f35763e1c13386feca469dd16a22b

  • SHA1

    1cbfc5e62e085bba8366cc077dfc91923a8ceefd

  • SHA256

    c9def02fd0b90810e1ac5af1906e461c8c1a5534ee19b5b2ce7aac77f2943b54

  • SHA512

    31619aeebfdd1247252a9e3881c4ba5824b82558af2a814b1fe90b67b4403950f94f9ab02d968d30477031648cbf90c520b95f58f8beffa47952994a1c3b38dc

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://miraclecollagen.co.za/ds/1802.gif

Extracted

Family

qakbot

Botnet

tr

Campaign

1613385567

C2

78.63.226.32:443

197.51.82.72:443

193.248.221.184:2222

95.77.223.148:443

71.199.192.62:443

77.211.30.202:995

80.227.5.69:443

77.27.204.204:995

81.97.154.100:443

173.184.119.153:995

38.92.225.121:443

81.150.181.168:2222

90.65.236.181:2222

83.110.103.152:443

73.153.211.227:443

188.25.63.105:443

89.137.211.239:995

202.188.138.162:443

98.173.34.212:995

87.202.87.210:2222

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 2 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\document-1743692288.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:324
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 ..\idefje.ekfd,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:928
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1116
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn goumgxsyra /tr "regsvr32.exe -s \"C:\Users\Admin\idefje.ekfd\"" /SC ONCE /Z /ST 19:46 /ET 19:58
          4⤵
          • Creates scheduled task(s)
          PID:620
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {924969D1-1F33-4CD7-B1CC-1A5D6A4A40E9} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\idefje.ekfd"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1008
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\idefje.ekfd"
        3⤵
        • Loads dropped DLL
        PID:456

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\idefje.ekfd

    MD5

    5d00236a63ba084e6c8e99d3f84500c0

    SHA1

    4a82505cbf31834ecd5b04344c121d2553f72811

    SHA256

    4c35a44fc0c64e5f0eb9801645dbe58e1176d5558f5060bca2a46f44ed6783b5

    SHA512

    8fcadfda0573210be163f6f2a761d03e11076ad2cfb193e428a3d4f7a970c0f903fd555cebd0221a2d6bce9e11c0dfcd5f0c13f341bcce2a0841f2be00cec005

  • C:\Users\Admin\idefje.ekfd

    MD5

    a8e2e77d6e1159face67ee36e5d4f199

    SHA1

    e3494981cfbc8c9a2c7a053c3ca4ab662b7f529c

    SHA256

    307dcd0bd76ec40e3297813e65542bc6480262578d6623825340a5add4fb6bf8

    SHA512

    c5e1f248a90e3406e690b1a7c3f6e09f4c1b3db5be40786669ba3aa1d48f0e6f2b0060dc3ee098fb76dfb59f2aec14aac5300556c69e214eef542561bc7df273

  • \Users\Admin\idefje.ekfd

    MD5

    5d00236a63ba084e6c8e99d3f84500c0

    SHA1

    4a82505cbf31834ecd5b04344c121d2553f72811

    SHA256

    4c35a44fc0c64e5f0eb9801645dbe58e1176d5558f5060bca2a46f44ed6783b5

    SHA512

    8fcadfda0573210be163f6f2a761d03e11076ad2cfb193e428a3d4f7a970c0f903fd555cebd0221a2d6bce9e11c0dfcd5f0c13f341bcce2a0841f2be00cec005

  • \Users\Admin\idefje.ekfd

    MD5

    a8e2e77d6e1159face67ee36e5d4f199

    SHA1

    e3494981cfbc8c9a2c7a053c3ca4ab662b7f529c

    SHA256

    307dcd0bd76ec40e3297813e65542bc6480262578d6623825340a5add4fb6bf8

    SHA512

    c5e1f248a90e3406e690b1a7c3f6e09f4c1b3db5be40786669ba3aa1d48f0e6f2b0060dc3ee098fb76dfb59f2aec14aac5300556c69e214eef542561bc7df273

  • memory/324-3-0x0000000071C91000-0x0000000071C93000-memory.dmp

    Filesize

    8KB

  • memory/324-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/324-2-0x000000002F791000-0x000000002F794000-memory.dmp

    Filesize

    12KB

  • memory/456-23-0x0000000000000000-mapping.dmp

  • memory/620-18-0x0000000000000000-mapping.dmp

  • memory/928-7-0x00000000766C1000-0x00000000766C3000-memory.dmp

    Filesize

    8KB

  • memory/928-12-0x0000000000940000-0x0000000000975000-memory.dmp

    Filesize

    212KB

  • memory/928-17-0x0000000000940000-0x0000000000975000-memory.dmp

    Filesize

    212KB

  • memory/928-11-0x00000000006A0000-0x00000000006D3000-memory.dmp

    Filesize

    204KB

  • memory/928-10-0x00000000000F0000-0x00000000000F1000-memory.dmp

    Filesize

    4KB

  • memory/928-6-0x0000000000000000-mapping.dmp

  • memory/1008-20-0x0000000000000000-mapping.dmp

  • memory/1008-21-0x000007FEFC3E1000-0x000007FEFC3E3000-memory.dmp

    Filesize

    8KB

  • memory/1116-13-0x0000000000000000-mapping.dmp

  • memory/1116-15-0x000000006C9E1000-0x000000006C9E3000-memory.dmp

    Filesize

    8KB

  • memory/1116-16-0x00000000000C0000-0x00000000000F5000-memory.dmp

    Filesize

    212KB

  • memory/1116-19-0x00000000000C0000-0x00000000000F5000-memory.dmp

    Filesize

    212KB

  • memory/2040-5-0x000007FEF7D30000-0x000007FEF7FAA000-memory.dmp

    Filesize

    2.5MB