Analysis

  • max time kernel
    101s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    29-10-2020 04:37

General

  • Target

    doc_pack-2048560295.xlsb

  • Size

    24KB

  • MD5

    e0f05b53bb10e3879cdb99776d2eae97

  • SHA1

    dc7db22d66c7ef13793d75ff35807536d99c2afb

  • SHA256

    f1329638de22361dffbca4db93fef3bf025548cbf04dcf3a55431faacbec9c55

  • SHA512

    7bbdd948aa662e3c052a13a419824137ac7288c26e5205b4b8d6fafc68e4875a50905b9d2a3485b0dc4871571a4478d24dbae279d2f4f87c0e14756d11f47e06

Malware Config

Extracted

Family

qakbot

Botnet

tr01

Campaign

1603793855

C2

50.104.68.223:443

89.137.211.239:443

95.77.223.148:443

197.37.69.138:993

68.174.15.223:443

103.238.231.35:443

36.77.151.211:443

72.16.56.171:443

45.47.65.191:443

189.231.212.189:443

106.51.52.111:443

24.55.66.125:443

39.37.247.97:995

108.190.151.108:2222

203.198.96.61:443

73.228.1.246:443

35.134.202.234:443

188.50.230.249:995

86.120.64.150:2222

5.14.126.153:443

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Executes dropped EXE 4 IoCs
  • Checks SCSI registry key(s) 3 TTPs 12 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • 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 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-2048560295.xlsb"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:648
    • C:\hgoitk\nkorpy\exlwhtih.exe
      "C:\hgoitk\nkorpy\exlwhtih.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3444
      • C:\hgoitk\nkorpy\exlwhtih.exe
        C:\hgoitk\nkorpy\exlwhtih.exe /C
        3⤵
        • Executes dropped EXE
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        PID:3672
      • C:\Users\Admin\AppData\Roaming\Microsoft\Jnfzlunkf\gfhbkhef.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Jnfzlunkf\gfhbkhef.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2128
        • C:\Users\Admin\AppData\Roaming\Microsoft\Jnfzlunkf\gfhbkhef.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Jnfzlunkf\gfhbkhef.exe /C
          4⤵
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious behavior: EnumeratesProcesses
          PID:2152
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3944
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn pyydpfv /tr "\"C:\hgoitk\nkorpy\exlwhtih.exe\" /I pyydpfv" /SC ONCE /Z /ST 05:37 /ET 05:49
        3⤵
        • Creates scheduled task(s)
        PID:3872

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Jnfzlunkf\gfhbkhef.dat

    MD5

    9df30ab6fd232599195279c21fd7a308

    SHA1

    9199a3a97704f9303cbc96a424eefdd2089f43d1

    SHA256

    5a4ad2a2563fc7edf58e78e135003531f1ddd84fd588696e14911bef010f5932

    SHA512

    e6e31bf295c4e7f1e4f427bbdb45551c4dad2dce9bbf192dacfb39dd3ddb339a583dae5c71e80ef37bd5a128bac9c2bec2e9b4fa5540c9a18e761fed2e859cb2

  • C:\Users\Admin\AppData\Roaming\Microsoft\Jnfzlunkf\gfhbkhef.exe

    MD5

    96967658deb7d88da248e077dc383eca

    SHA1

    475c6525bf12dc043e8e20fac9b73b5e5c43165b

    SHA256

    926a329dedbfa54478aae338e79e8c6861e345084173b2bd54d677ba73ce4342

    SHA512

    542781099dc56c2cc7c685e87c3962cd65405a5b2e3ec24655e26f9156b2fdbebfd8f550d959b08bfb044cfd49e8bfcff6b3ccef891257177a71dafe7750cba2

  • C:\Users\Admin\AppData\Roaming\Microsoft\Jnfzlunkf\gfhbkhef.exe

    MD5

    96967658deb7d88da248e077dc383eca

    SHA1

    475c6525bf12dc043e8e20fac9b73b5e5c43165b

    SHA256

    926a329dedbfa54478aae338e79e8c6861e345084173b2bd54d677ba73ce4342

    SHA512

    542781099dc56c2cc7c685e87c3962cd65405a5b2e3ec24655e26f9156b2fdbebfd8f550d959b08bfb044cfd49e8bfcff6b3ccef891257177a71dafe7750cba2

  • C:\Users\Admin\AppData\Roaming\Microsoft\Jnfzlunkf\gfhbkhef.exe

    MD5

    96967658deb7d88da248e077dc383eca

    SHA1

    475c6525bf12dc043e8e20fac9b73b5e5c43165b

    SHA256

    926a329dedbfa54478aae338e79e8c6861e345084173b2bd54d677ba73ce4342

    SHA512

    542781099dc56c2cc7c685e87c3962cd65405a5b2e3ec24655e26f9156b2fdbebfd8f550d959b08bfb044cfd49e8bfcff6b3ccef891257177a71dafe7750cba2

  • C:\hgoitk\nkorpy\exlwhtih.exe

    MD5

    96967658deb7d88da248e077dc383eca

    SHA1

    475c6525bf12dc043e8e20fac9b73b5e5c43165b

    SHA256

    926a329dedbfa54478aae338e79e8c6861e345084173b2bd54d677ba73ce4342

    SHA512

    542781099dc56c2cc7c685e87c3962cd65405a5b2e3ec24655e26f9156b2fdbebfd8f550d959b08bfb044cfd49e8bfcff6b3ccef891257177a71dafe7750cba2

  • C:\hgoitk\nkorpy\exlwhtih.exe

    MD5

    96967658deb7d88da248e077dc383eca

    SHA1

    475c6525bf12dc043e8e20fac9b73b5e5c43165b

    SHA256

    926a329dedbfa54478aae338e79e8c6861e345084173b2bd54d677ba73ce4342

    SHA512

    542781099dc56c2cc7c685e87c3962cd65405a5b2e3ec24655e26f9156b2fdbebfd8f550d959b08bfb044cfd49e8bfcff6b3ccef891257177a71dafe7750cba2

  • C:\hgoitk\nkorpy\exlwhtih.exe

    MD5

    96967658deb7d88da248e077dc383eca

    SHA1

    475c6525bf12dc043e8e20fac9b73b5e5c43165b

    SHA256

    926a329dedbfa54478aae338e79e8c6861e345084173b2bd54d677ba73ce4342

    SHA512

    542781099dc56c2cc7c685e87c3962cd65405a5b2e3ec24655e26f9156b2fdbebfd8f550d959b08bfb044cfd49e8bfcff6b3ccef891257177a71dafe7750cba2

  • memory/648-0-0x00007FF91E620000-0x00007FF91EC57000-memory.dmp

    Filesize

    6.2MB

  • memory/2128-14-0x0000000000920000-0x0000000000957000-memory.dmp

    Filesize

    220KB

  • memory/2128-7-0x0000000000000000-mapping.dmp

  • memory/2152-13-0x0000000002690000-0x0000000002691000-memory.dmp

    Filesize

    4KB

  • memory/2152-11-0x0000000000000000-mapping.dmp

  • memory/3444-1-0x0000000000000000-mapping.dmp

  • memory/3672-4-0x0000000000000000-mapping.dmp

  • memory/3672-6-0x0000000002780000-0x0000000002781000-memory.dmp

    Filesize

    4KB

  • memory/3872-10-0x0000000000000000-mapping.dmp

  • memory/3944-15-0x0000000000000000-mapping.dmp