Analysis

  • max time kernel
    144s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    08-05-2022 22:37

General

  • Target

    ApplicationReject-1569578342.xlsb

  • Size

    1.1MB

  • MD5

    00154117d2b253f1a013a1fc54bbf986

  • SHA1

    68032866519db8b1254529955da2cba4d67cd09d

  • SHA256

    e2529e34253ab3dd67cb90c5c4a407256f965621304761fde88f2c251d0fd470

  • SHA512

    15e7c451662255b05b725b13d590910bc8ab9418945c1ee6768cdb6b0636687c9866d672e695e21b60a165ca9e9c3dcdf917942e6aae96fa5729dc364fcafbe4

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://103.155.93.53/359841565.dat

xlm40.dropper

http://87.236.146.69/359841565.dat

xlm40.dropper

http://94.140.114.172/359841565.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 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 28 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-1569578342.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:892
    • C:\Windows\SysWOW64\Regsvr32.exe
      Regsvr32 /s calc
      2⤵
      • Process spawned unexpected child process
      PID:1772
    • C:\Windows\SysWOW64\Regsvr32.exe
      Regsvr32 C:\Rujiky\Ubada\Vertu.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:1936
    • C:\Windows\SysWOW64\Regsvr32.exe
      Regsvr32 C:\Rujiky\Ubada\Vertua.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:1984
    • C:\Windows\SysWOW64\Regsvr32.exe
      Regsvr32 C:\Rujiky\Ubada\Vertub.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:1112
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
          PID:1648

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Rujiky\Ubada\Vertub.ooccxx
      Filesize

      962KB

      MD5

      65305ae0cbc49172da68d6411ea74733

      SHA1

      e5a1b814157c951a1bfcf80fe71c02f43046103d

      SHA256

      f42b8c97d9bdebe2e24ef993010214d908c32b11574b95b516c5a3f2ab2b07f8

      SHA512

      15f1a86a8c701ace14782ab526c8c4f1569897bf5d9540e3ee59296be15568e1c7f716c7e01e8e7a727c18c0be2f39710c4f9df6a52311bcb86a8d2c0cd9f9f4

    • \Rujiky\Ubada\Vertub.ooccxx
      Filesize

      962KB

      MD5

      65305ae0cbc49172da68d6411ea74733

      SHA1

      e5a1b814157c951a1bfcf80fe71c02f43046103d

      SHA256

      f42b8c97d9bdebe2e24ef993010214d908c32b11574b95b516c5a3f2ab2b07f8

      SHA512

      15f1a86a8c701ace14782ab526c8c4f1569897bf5d9540e3ee59296be15568e1c7f716c7e01e8e7a727c18c0be2f39710c4f9df6a52311bcb86a8d2c0cd9f9f4

    • memory/892-57-0x0000000075801000-0x0000000075803000-memory.dmp
      Filesize

      8KB

    • memory/892-54-0x000000002FE21000-0x000000002FE24000-memory.dmp
      Filesize

      12KB

    • memory/892-58-0x000000007279D000-0x00000000727A8000-memory.dmp
      Filesize

      44KB

    • memory/892-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/892-55-0x00000000717B1000-0x00000000717B3000-memory.dmp
      Filesize

      8KB

    • memory/1112-65-0x0000000000000000-mapping.dmp
    • memory/1112-69-0x0000000010000000-0x000000001008F000-memory.dmp
      Filesize

      572KB

    • memory/1648-75-0x0000000000000000-mapping.dmp
    • memory/1648-77-0x000000006C601000-0x000000006C603000-memory.dmp
      Filesize

      8KB

    • memory/1648-78-0x00000000000C0000-0x000000000014F000-memory.dmp
      Filesize

      572KB

    • memory/1772-59-0x0000000000000000-mapping.dmp
    • memory/1936-61-0x0000000000000000-mapping.dmp
    • memory/1984-63-0x0000000000000000-mapping.dmp