Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    29-10-2020 04:37

General

  • Target

    doc_pack-2062161107.xlsb

  • Size

    24KB

  • MD5

    36097e7dc8379bc48136968e7b11f977

  • SHA1

    981c2974be895783f9807c2db8d3af8891143c31

  • SHA256

    c20abf105379489d182510ffe108476f697e10f78226532fda50bfd8f98dda49

  • SHA512

    475ccadd8cbd12060082ed450c162d7e522b3ff54875ceaf1f6a1d19fdc5042072e616515f9f28e20a6ce35e7a93facc8d3788b3e8387b7fbd03c7527617af56

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-2062161107.xlsb"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1400
    • C:\hgoitk\nkorpy\exlwhtih.exe
      "C:\hgoitk\nkorpy\exlwhtih.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1940
      • C:\hgoitk\nkorpy\exlwhtih.exe
        C:\hgoitk\nkorpy\exlwhtih.exe /C
        3⤵
        • Executes dropped EXE
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        PID:3160
      • C:\Users\Admin\AppData\Roaming\Microsoft\Gyuyteduah\yijeczle.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Gyuyteduah\yijeczle.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1260
        • C:\Users\Admin\AppData\Roaming\Microsoft\Gyuyteduah\yijeczle.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Gyuyteduah\yijeczle.exe /C
          4⤵
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious behavior: EnumeratesProcesses
          PID:2108
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2320
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn aobvpmd /tr "\"C:\hgoitk\nkorpy\exlwhtih.exe\" /I aobvpmd" /SC ONCE /Z /ST 05:47 /ET 05:59
        3⤵
        • Creates scheduled task(s)
        PID:3640

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Gyuyteduah\yijeczle.dat

    MD5

    76432095886ec75dd6a5817ae44913ae

    SHA1

    e9e3e519eb4915205fbf25c0f7ea97060077780f

    SHA256

    8c15eaf7c0c95d7b329d2addadf4dcb228100f3181242aee9e85e7a56ccebb05

    SHA512

    c36cc10c10e052303fc64b00e701d08af5a31b37b0200a4075187fc8864a8fa9f4395755c65760ffa5bef9f5a634552993a22df88e6ae4f8be8abf9806d5369f

  • C:\Users\Admin\AppData\Roaming\Microsoft\Gyuyteduah\yijeczle.exe

    MD5

    96967658deb7d88da248e077dc383eca

    SHA1

    475c6525bf12dc043e8e20fac9b73b5e5c43165b

    SHA256

    926a329dedbfa54478aae338e79e8c6861e345084173b2bd54d677ba73ce4342

    SHA512

    542781099dc56c2cc7c685e87c3962cd65405a5b2e3ec24655e26f9156b2fdbebfd8f550d959b08bfb044cfd49e8bfcff6b3ccef891257177a71dafe7750cba2

  • C:\Users\Admin\AppData\Roaming\Microsoft\Gyuyteduah\yijeczle.exe

    MD5

    96967658deb7d88da248e077dc383eca

    SHA1

    475c6525bf12dc043e8e20fac9b73b5e5c43165b

    SHA256

    926a329dedbfa54478aae338e79e8c6861e345084173b2bd54d677ba73ce4342

    SHA512

    542781099dc56c2cc7c685e87c3962cd65405a5b2e3ec24655e26f9156b2fdbebfd8f550d959b08bfb044cfd49e8bfcff6b3ccef891257177a71dafe7750cba2

  • C:\Users\Admin\AppData\Roaming\Microsoft\Gyuyteduah\yijeczle.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/1260-7-0x0000000000000000-mapping.dmp

  • memory/1260-14-0x00000000020D0000-0x0000000002107000-memory.dmp

    Filesize

    220KB

  • memory/1400-0-0x00007FF98BBB0000-0x00007FF98C1E7000-memory.dmp

    Filesize

    6.2MB

  • memory/1940-1-0x0000000000000000-mapping.dmp

  • memory/2108-11-0x0000000000000000-mapping.dmp

  • memory/2108-13-0x0000000002720000-0x0000000002721000-memory.dmp

    Filesize

    4KB

  • memory/2320-15-0x0000000000000000-mapping.dmp

  • memory/3160-6-0x00000000026F0000-0x00000000026F1000-memory.dmp

    Filesize

    4KB

  • memory/3160-4-0x0000000000000000-mapping.dmp

  • memory/3640-10-0x0000000000000000-mapping.dmp