Analysis

  • max time kernel
    154s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    09-05-2022 03:48

General

  • Target

    ApplicationReject-1221452547.xlsb

  • Size

    1.1MB

  • MD5

    eb6354a5ba2b6898673595c5f66782e9

  • SHA1

    266ed4f8703e4704e8aa2997cce01ce037f07051

  • SHA256

    ba68f78275487c646826664f394e8ca0ff58e8df4eb900939d0acbeb8001d898

  • SHA512

    07837e7c4bc651e6fb5168b349943bb5b47c91587e1d6ff802d93d05f05a423686a58ddf21372290a4fa6d6ff733c6457cc387d8b9801292c353afd5ac5ea7a7

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://103.155.93.53/817967157.dat

xlm40.dropper

http://87.236.146.69/817967157.dat

xlm40.dropper

http://94.140.114.172/817967157.dat

Extracted

Family

qakbot

Version

403.573

Botnet

obama180

Campaign

1650959141

C2

2.50.4.57:443

85.246.82.244:443

121.7.223.59:2222

197.161.137.67:993

38.70.253.226:2222

47.23.89.62:993

172.114.160.81:443

75.99.168.194:443

82.152.39.39:443

108.60.213.141:443

148.64.96.100:443

167.86.191.84:443

187.207.47.198:61202

103.107.113.120:443

203.122.46.130:443

106.51.48.170:50001

47.23.89.62:995

140.82.49.12:443

102.65.38.74:443

103.246.242.202:443

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Process spawned unexpected child process 4 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.

  • Downloads MZ/PE file
  • Loads dropped DLL 1 IoCs
  • 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 6 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 34 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\ApplicationReject-1221452547.xlsb
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Windows\SysWOW64\Regsvr32.exe
      Regsvr32 /s calc
      2⤵
      • Process spawned unexpected child process
      PID:1944
    • C:\Windows\SysWOW64\Regsvr32.exe
      Regsvr32 C:\Rujiky\Ubada\Vertu.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:1756
    • C:\Windows\SysWOW64\Regsvr32.exe
      Regsvr32 C:\Rujiky\Ubada\Vertua.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:824
    • C:\Windows\SysWOW64\Regsvr32.exe
      Regsvr32 C:\Rujiky\Ubada\Vertub.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:892
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1348

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Rujiky\Ubada\Vertub.ooccxx

    Filesize

    962KB

    MD5

    3e71e22d4c1d9825b1bcfa06cf8f1ab7

    SHA1

    499aad92be6df330a5efcd66a9ec9f60eea7176a

    SHA256

    cf82136970ff9e1d0bce5c3b91aa4eb83f309c2b9372dd59caa18accb0ebae8b

    SHA512

    602c1925d25eb4a80277e01e5e1558c229d6a2c0ab6452befdbb8dd559093d05485c26cfb79480edb56273514c1d225fb2c79fc5ffd3de7ac15a1fb53e6571a7

  • \Rujiky\Ubada\Vertub.ooccxx

    Filesize

    962KB

    MD5

    3e71e22d4c1d9825b1bcfa06cf8f1ab7

    SHA1

    499aad92be6df330a5efcd66a9ec9f60eea7176a

    SHA256

    cf82136970ff9e1d0bce5c3b91aa4eb83f309c2b9372dd59caa18accb0ebae8b

    SHA512

    602c1925d25eb4a80277e01e5e1558c229d6a2c0ab6452befdbb8dd559093d05485c26cfb79480edb56273514c1d225fb2c79fc5ffd3de7ac15a1fb53e6571a7

  • memory/824-63-0x0000000000000000-mapping.dmp

  • memory/892-65-0x0000000000000000-mapping.dmp

  • memory/892-69-0x0000000010000000-0x000000001008F000-memory.dmp

    Filesize

    572KB

  • memory/1348-78-0x0000000000190000-0x000000000021F000-memory.dmp

    Filesize

    572KB

  • memory/1348-77-0x000000006C4D1000-0x000000006C4D3000-memory.dmp

    Filesize

    8KB

  • memory/1348-75-0x0000000000000000-mapping.dmp

  • memory/1756-61-0x0000000000000000-mapping.dmp

  • memory/1944-59-0x0000000000000000-mapping.dmp

  • memory/1948-54-0x000000002F0D1000-0x000000002F0D4000-memory.dmp

    Filesize

    12KB

  • memory/1948-58-0x00000000727AD000-0x00000000727B8000-memory.dmp

    Filesize

    44KB

  • memory/1948-57-0x0000000076721000-0x0000000076723000-memory.dmp

    Filesize

    8KB

  • memory/1948-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1948-55-0x00000000717C1000-0x00000000717C3000-memory.dmp

    Filesize

    8KB