Analysis

  • max time kernel
    103s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    29-10-2020 03:38

General

  • Target

    doc_pack-1922080106.xlsb

  • Size

    24KB

  • MD5

    e30e4b878235867fbf769bfe5a7ebf33

  • SHA1

    4a95921d016cdc6cc5c0b626061b3fd147505860

  • SHA256

    8ee64d5b6ac75962d12d97348dff07aaf6ac101a4c2dc196396ca7bc8593bb5a

  • SHA512

    92274ffa09dccaac067d83ff55803a8023679f0abd92a2d813830167254daed3b40f7303f4a2963a548730e8bc4e9e789c7f73e17c407d61510c382a2409dd35

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 FindShellTrayWindow 2 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-1922080106.xlsb"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1140
    • C:\hgoitk\nkorpy\exlwhtih.exe
      "C:\hgoitk\nkorpy\exlwhtih.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4052
      • C:\hgoitk\nkorpy\exlwhtih.exe
        C:\hgoitk\nkorpy\exlwhtih.exe /C
        3⤵
        • Executes dropped EXE
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        PID:4016
      • C:\Users\Admin\AppData\Roaming\Microsoft\Yuiurgg\ncajpuww.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Yuiurgg\ncajpuww.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2504
        • C:\Users\Admin\AppData\Roaming\Microsoft\Yuiurgg\ncajpuww.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Yuiurgg\ncajpuww.exe /C
          4⤵
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious behavior: EnumeratesProcesses
          PID:2728
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3480
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn fpwxcdpb /tr "\"C:\hgoitk\nkorpy\exlwhtih.exe\" /I fpwxcdpb" /SC ONCE /Z /ST 04:57 /ET 05:09
        3⤵
        • Creates scheduled task(s)
        PID:3816

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Yuiurgg\ncajpuww.dat

    MD5

    45bbf9c48a1ed9434acf289dc7705c4f

    SHA1

    09b480370776df9300644ab1e324a7379e395155

    SHA256

    5a36ad1e8531be416a5c45cc1f925d0e146412ccc4657824ea83b1c2b4ab3e5f

    SHA512

    e98b4203977fa919a106921cd4e61e52005ba1d575e6dc46e9846683d90b0efa1384e7c4ef8387206d6035bc5c41bbb04a341ec29a290a864a1e09c350d6de6c

  • C:\Users\Admin\AppData\Roaming\Microsoft\Yuiurgg\ncajpuww.exe

    MD5

    e7fb89ff479959bedf84eed00a642f07

    SHA1

    fa31fb2d426f237ccd67a78b848b40ee1c001166

    SHA256

    9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13

    SHA512

    328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Yuiurgg\ncajpuww.exe

    MD5

    e7fb89ff479959bedf84eed00a642f07

    SHA1

    fa31fb2d426f237ccd67a78b848b40ee1c001166

    SHA256

    9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13

    SHA512

    328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Yuiurgg\ncajpuww.exe

    MD5

    e7fb89ff479959bedf84eed00a642f07

    SHA1

    fa31fb2d426f237ccd67a78b848b40ee1c001166

    SHA256

    9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13

    SHA512

    328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

  • C:\hgoitk\nkorpy\exlwhtih.exe

    MD5

    e7fb89ff479959bedf84eed00a642f07

    SHA1

    fa31fb2d426f237ccd67a78b848b40ee1c001166

    SHA256

    9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13

    SHA512

    328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

  • C:\hgoitk\nkorpy\exlwhtih.exe

    MD5

    e7fb89ff479959bedf84eed00a642f07

    SHA1

    fa31fb2d426f237ccd67a78b848b40ee1c001166

    SHA256

    9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13

    SHA512

    328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

  • C:\hgoitk\nkorpy\exlwhtih.exe

    MD5

    e7fb89ff479959bedf84eed00a642f07

    SHA1

    fa31fb2d426f237ccd67a78b848b40ee1c001166

    SHA256

    9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13

    SHA512

    328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

  • memory/1140-0-0x00007FFA6B3A0000-0x00007FFA6B9D7000-memory.dmp

    Filesize

    6.2MB

  • memory/2504-14-0x0000000000560000-0x0000000000597000-memory.dmp

    Filesize

    220KB

  • memory/2504-7-0x0000000000000000-mapping.dmp

  • memory/2728-11-0x0000000000000000-mapping.dmp

  • memory/2728-13-0x00000000026F0000-0x00000000026F1000-memory.dmp

    Filesize

    4KB

  • memory/3480-15-0x0000000000000000-mapping.dmp

  • memory/3816-10-0x0000000000000000-mapping.dmp

  • memory/4016-6-0x00000000026B0000-0x00000000026B1000-memory.dmp

    Filesize

    4KB

  • memory/4016-4-0x0000000000000000-mapping.dmp

  • memory/4052-1-0x0000000000000000-mapping.dmp