Analysis

  • max time kernel
    134s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    29-10-2020 03:12

General

  • Target

    doc_pack-1903558219.xlsb

  • Size

    24KB

  • MD5

    8814c2f3b7c42fcb0df133d76c00344c

  • SHA1

    f84246e410f22588c667168bf01eeeac626dfa37

  • SHA256

    d736dbb3d75cc47fb9652bf97a8d7a3a07157b19d32cd49521b84a513291b64a

  • SHA512

    1e65b7e9ef66fc3886604fdc3a6f16a81de63fb26cd5897b9f5c1083b1d87d5d54bc2e102123dc29bcde5bb6105204c8c041a8075ab4b3548f3fa2a95f491b64

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-1903558219.xlsb"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3636
    • C:\hgoitk\nkorpy\exlwhtih.exe
      "C:\hgoitk\nkorpy\exlwhtih.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1268
      • C:\hgoitk\nkorpy\exlwhtih.exe
        C:\hgoitk\nkorpy\exlwhtih.exe /C
        3⤵
        • Executes dropped EXE
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        PID:3336
      • C:\Users\Admin\AppData\Roaming\Microsoft\Bfyfqypb\gueuiw.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Bfyfqypb\gueuiw.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:3464
        • C:\Users\Admin\AppData\Roaming\Microsoft\Bfyfqypb\gueuiw.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Bfyfqypb\gueuiw.exe /C
          4⤵
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious behavior: EnumeratesProcesses
          PID:3916
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1296
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ysihjod /tr "\"C:\hgoitk\nkorpy\exlwhtih.exe\" /I ysihjod" /SC ONCE /Z /ST 04:47 /ET 04:59
        3⤵
        • Creates scheduled task(s)
        PID:1308

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Bfyfqypb\gueuiw.dat

    MD5

    fbdc4df6e86bda3d6c48d08000b948e1

    SHA1

    e104350e2a6459fc1fba12998f378bdde49bd17a

    SHA256

    bc3c598fbc16cf5d0cf55ad594ab7869cb0b0df7194d8f27f7e9c73a815a1f7f

    SHA512

    8fbb947c51615c06ee815e3e2198bd24895868eba4b5b226d0156c8b9bfeb88f103768b0fc1095ff969d48e6b205334b9cf5890eecee7fd3d819c572077cf4f9

  • C:\Users\Admin\AppData\Roaming\Microsoft\Bfyfqypb\gueuiw.exe

    MD5

    e7fb89ff479959bedf84eed00a642f07

    SHA1

    fa31fb2d426f237ccd67a78b848b40ee1c001166

    SHA256

    9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13

    SHA512

    328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Bfyfqypb\gueuiw.exe

    MD5

    e7fb89ff479959bedf84eed00a642f07

    SHA1

    fa31fb2d426f237ccd67a78b848b40ee1c001166

    SHA256

    9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13

    SHA512

    328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Bfyfqypb\gueuiw.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/1268-1-0x0000000000000000-mapping.dmp

  • memory/1296-15-0x0000000000000000-mapping.dmp

  • memory/1308-10-0x0000000000000000-mapping.dmp

  • memory/3336-6-0x0000000002830000-0x0000000002831000-memory.dmp

    Filesize

    4KB

  • memory/3336-4-0x0000000000000000-mapping.dmp

  • memory/3464-7-0x0000000000000000-mapping.dmp

  • memory/3464-14-0x0000000000560000-0x0000000000597000-memory.dmp

    Filesize

    220KB

  • memory/3636-0-0x00007FF8E8EC0000-0x00007FF8E94F7000-memory.dmp

    Filesize

    6.2MB

  • memory/3916-11-0x0000000000000000-mapping.dmp

  • memory/3916-13-0x0000000002750000-0x0000000002751000-memory.dmp

    Filesize

    4KB