Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    29-10-2020 04:37

General

  • Target

    doc_pack-2037547827.xlsb

  • Size

    24KB

  • MD5

    a0fbb59bc74ecc5a56776e87d9fb1793

  • SHA1

    41ce559783bf400e2fa1b0a613e7afbafa3eec45

  • SHA256

    e6169b9ed979696b382737b0f3aa11e25a273ec8bd68753e3675ad89d9a0ae6a

  • SHA512

    1cb61a5ab46077dc0a2de5d398e9b15837dd592ff5b12f6bea5953f3f84a703d21076338212e69f08b0cef0350605cec3167c99536a3206e38a0ad176711ad44

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 5 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 18 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-2037547827.xlsb"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:492
    • C:\hgoitk\nkorpy\exlwhtih.exe
      "C:\hgoitk\nkorpy\exlwhtih.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3612
      • C:\hgoitk\nkorpy\exlwhtih.exe
        C:\hgoitk\nkorpy\exlwhtih.exe /C
        3⤵
        • Executes dropped EXE
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        PID:3636
      • C:\Users\Admin\AppData\Roaming\Microsoft\Iinedncndso\vriboi.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Iinedncndso\vriboi.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2600
        • C:\Users\Admin\AppData\Roaming\Microsoft\Iinedncndso\vriboi.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Iinedncndso\vriboi.exe /C
          4⤵
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious behavior: EnumeratesProcesses
          PID:3628
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2340
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn qrrfkoqsp /tr "\"C:\hgoitk\nkorpy\exlwhtih.exe\" /I qrrfkoqsp" /SC ONCE /Z /ST 05:49 /ET 06:01
        3⤵
        • Creates scheduled task(s)
        PID:1324
  • C:\hgoitk\nkorpy\exlwhtih.exe
    C:\hgoitk\nkorpy\exlwhtih.exe /I qrrfkoqsp
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: EnumeratesProcesses
    PID:2168

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Iinedncndso\vriboi.dat

    MD5

    8265ef916a99bd8de8bdbe4e805b6a88

    SHA1

    d9a0ca3cc20d8464505946d8e9d797da6ba83812

    SHA256

    a992abea89ed17cc5907cbc4a3addd62c5a19a5d96a4b7bddd163eeb9f33bdb6

    SHA512

    bf3d5287673601b3376fefbf53eb33a8a3003c445f90b9c621898e98caba407d07935275642f1c57929fdd00fd4f5748b7c8e71139658049d3a2962a8bb68c12

  • C:\Users\Admin\AppData\Roaming\Microsoft\Iinedncndso\vriboi.exe

    MD5

    96967658deb7d88da248e077dc383eca

    SHA1

    475c6525bf12dc043e8e20fac9b73b5e5c43165b

    SHA256

    926a329dedbfa54478aae338e79e8c6861e345084173b2bd54d677ba73ce4342

    SHA512

    542781099dc56c2cc7c685e87c3962cd65405a5b2e3ec24655e26f9156b2fdbebfd8f550d959b08bfb044cfd49e8bfcff6b3ccef891257177a71dafe7750cba2

  • C:\Users\Admin\AppData\Roaming\Microsoft\Iinedncndso\vriboi.exe

    MD5

    96967658deb7d88da248e077dc383eca

    SHA1

    475c6525bf12dc043e8e20fac9b73b5e5c43165b

    SHA256

    926a329dedbfa54478aae338e79e8c6861e345084173b2bd54d677ba73ce4342

    SHA512

    542781099dc56c2cc7c685e87c3962cd65405a5b2e3ec24655e26f9156b2fdbebfd8f550d959b08bfb044cfd49e8bfcff6b3ccef891257177a71dafe7750cba2

  • C:\Users\Admin\AppData\Roaming\Microsoft\Iinedncndso\vriboi.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

  • C:\hgoitk\nkorpy\exlwhtih.exe

    MD5

    96967658deb7d88da248e077dc383eca

    SHA1

    475c6525bf12dc043e8e20fac9b73b5e5c43165b

    SHA256

    926a329dedbfa54478aae338e79e8c6861e345084173b2bd54d677ba73ce4342

    SHA512

    542781099dc56c2cc7c685e87c3962cd65405a5b2e3ec24655e26f9156b2fdbebfd8f550d959b08bfb044cfd49e8bfcff6b3ccef891257177a71dafe7750cba2

  • memory/492-0-0x00007FF9A7140000-0x00007FF9A7777000-memory.dmp

    Filesize

    6.2MB

  • memory/1324-10-0x0000000000000000-mapping.dmp

  • memory/2340-15-0x0000000000000000-mapping.dmp

  • memory/2600-7-0x0000000000000000-mapping.dmp

  • memory/2600-14-0x0000000000630000-0x0000000000667000-memory.dmp

    Filesize

    220KB

  • memory/3612-1-0x0000000000000000-mapping.dmp

  • memory/3628-11-0x0000000000000000-mapping.dmp

  • memory/3628-13-0x0000000002870000-0x0000000002871000-memory.dmp

    Filesize

    4KB

  • memory/3636-6-0x0000000002760000-0x0000000002761000-memory.dmp

    Filesize

    4KB

  • memory/3636-4-0x0000000000000000-mapping.dmp