Analysis

  • max time kernel
    110s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 23:08

General

  • Target

    doc_pack-684594677.xls

  • Size

    62KB

  • MD5

    31fa093ff05c17a95978fc89168bd98f

  • SHA1

    6803ac1f402a14296cec528a609ab7f5deaaaea1

  • SHA256

    833d52a5496b5e320dec341172f8f022badfb31b18595f6d68bccb4b57c1cacd

  • SHA512

    9cbe6737294041e35981a7b58935e47c69fe1ad28d2d30a6321bebd2ddbe12c81b1ea690d83f02f4633e68634a175dd927bd619e0925f1729cfc4b75f835a2b3

Malware Config

Extracted

Family

qakbot

Botnet

tr01

Campaign

1602688146

C2

73.228.1.246:443

74.109.219.145:443

76.111.128.194:443

90.175.88.99:2222

108.191.28.158:443

68.225.60.77:443

75.136.40.155:443

5.193.181.221:2078

72.204.242.138:20

118.160.162.234:443

68.14.210.246:22

148.101.74.12:443

74.222.204.82:443

96.30.198.161:443

140.82.27.132:443

2.50.131.64:443

45.32.155.12:995

45.63.104.123:443

45.32.165.134:443

217.162.149.212:443

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 2 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Program Files\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-684594677.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\COsuv\Wegerb\szvMhegn.exe
      "C:\COsuv\Wegerb\szvMhegn.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1460
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:524
      • C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:568
        • C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1548
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1324
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn rweqcegk /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I rweqcegk" /SC ONCE /Z /ST 23:12 /ET 23:24
        3⤵
        • Creates scheduled task(s)
        PID:432
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {9B129FBE-C431-4522-B3B8-BD12F868695A} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1576
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I rweqcegk
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1564

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/524-14-0x0000000002560000-0x0000000002571000-memory.dmp

    Filesize

    68KB

  • memory/568-24-0x0000000002450000-0x0000000002487000-memory.dmp

    Filesize

    220KB

  • memory/1548-23-0x0000000002480000-0x0000000002491000-memory.dmp

    Filesize

    68KB

  • memory/1684-5-0x0000000006160000-0x0000000006164000-memory.dmp

    Filesize

    16KB

  • memory/1684-6-0x0000000002570000-0x0000000002571000-memory.dmp

    Filesize

    4KB

  • memory/1684-10-0x0000000004E00000-0x0000000004E04000-memory.dmp

    Filesize

    16KB

  • memory/1684-4-0x0000000007160000-0x0000000007164000-memory.dmp

    Filesize

    16KB

  • memory/2036-1-0x000007FEF7DE0000-0x000007FEF805A000-memory.dmp

    Filesize

    2.5MB