Analysis

  • max time kernel
    131s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    29-10-2020 03:12

General

  • Target

    doc_pack-1918427170.xlsb

  • Size

    24KB

  • MD5

    775679251ca93a3512464d96fb5bb475

  • SHA1

    7a9ab6cd1ed92ef537c4ff629195d1512e428d9d

  • SHA256

    976b2ff04c819526c67ade9217810c7ba7f79a1fd11289888ad0da8930fbd45e

  • SHA512

    69673788ccaa3a2dc2d74fa6d0728c7b19b3cd950b45c7ff518474967bc761888d06fb54cb9836b6847d84b0e30bed52ca53b0a44f2a31a456f2cc18d380a8c0

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
  • Loads dropped DLL 4 IoCs
  • 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 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-1918427170.xlsb
    1⤵
    • Loads dropped DLL
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1824
    • C:\hgoitk\nkorpy\exlwhtih.exe
      "C:\hgoitk\nkorpy\exlwhtih.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:740
      • C:\hgoitk\nkorpy\exlwhtih.exe
        C:\hgoitk\nkorpy\exlwhtih.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:812
      • C:\Users\Admin\AppData\Roaming\Microsoft\Uquyej\yxreelta.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Uquyej\yxreelta.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1264
        • C:\Users\Admin\AppData\Roaming\Microsoft\Uquyej\yxreelta.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Uquyej\yxreelta.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1712
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1680
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn eostfjlrdy /tr "\"C:\hgoitk\nkorpy\exlwhtih.exe\" /I eostfjlrdy" /SC ONCE /Z /ST 04:47 /ET 04:59
        3⤵
        • Creates scheduled task(s)
        PID:1060
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {E4B98E2F-06BC-4764-8691-FED9A1DBFE62} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1624
    • C:\hgoitk\nkorpy\exlwhtih.exe
      C:\hgoitk\nkorpy\exlwhtih.exe /I eostfjlrdy
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1564

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Uquyej\yxreelta.dat

    MD5

    3ed69be0d3265b22c6b3936d41af7486

    SHA1

    0fe539b32ba979facc6b67e601c2931e97c33a25

    SHA256

    ef6b6f9904ec35b0fd2ec1f2aa1be54a796a1beb51fe779bab95396bd7187d11

    SHA512

    441b2623f7138dee0e72aada5c41857f5db9dd40b634efc420bc0497567706e1cc4f42b6ee12bb9fd7d6cbb814ed8c1cb5634fd8e04f829f597d73a4c8e811e2

  • C:\Users\Admin\AppData\Roaming\Microsoft\Uquyej\yxreelta.exe

    MD5

    e7fb89ff479959bedf84eed00a642f07

    SHA1

    fa31fb2d426f237ccd67a78b848b40ee1c001166

    SHA256

    9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13

    SHA512

    328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Uquyej\yxreelta.exe

    MD5

    e7fb89ff479959bedf84eed00a642f07

    SHA1

    fa31fb2d426f237ccd67a78b848b40ee1c001166

    SHA256

    9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13

    SHA512

    328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Uquyej\yxreelta.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

  • C:\hgoitk\nkorpy\exlwhtih.exe

    MD5

    e7fb89ff479959bedf84eed00a642f07

    SHA1

    fa31fb2d426f237ccd67a78b848b40ee1c001166

    SHA256

    9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13

    SHA512

    328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

  • \Users\Admin\AppData\Roaming\Microsoft\Uquyej\yxreelta.exe

    MD5

    e7fb89ff479959bedf84eed00a642f07

    SHA1

    fa31fb2d426f237ccd67a78b848b40ee1c001166

    SHA256

    9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13

    SHA512

    328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

  • \Users\Admin\AppData\Roaming\Microsoft\Uquyej\yxreelta.exe

    MD5

    e7fb89ff479959bedf84eed00a642f07

    SHA1

    fa31fb2d426f237ccd67a78b848b40ee1c001166

    SHA256

    9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13

    SHA512

    328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

  • \hgoitk\nkorpy\exlwhtih.exe

    MD5

    e7fb89ff479959bedf84eed00a642f07

    SHA1

    fa31fb2d426f237ccd67a78b848b40ee1c001166

    SHA256

    9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13

    SHA512

    328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

  • \hgoitk\nkorpy\exlwhtih.exe

    MD5

    e7fb89ff479959bedf84eed00a642f07

    SHA1

    fa31fb2d426f237ccd67a78b848b40ee1c001166

    SHA256

    9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13

    SHA512

    328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

  • memory/740-5-0x0000000000000000-mapping.dmp

  • memory/812-8-0x0000000000000000-mapping.dmp

  • memory/812-10-0x00000000025B0000-0x00000000025C1000-memory.dmp

    Filesize

    68KB

  • memory/1060-15-0x0000000000000000-mapping.dmp

  • memory/1264-13-0x0000000000000000-mapping.dmp

  • memory/1264-20-0x0000000001E60000-0x0000000001E97000-memory.dmp

    Filesize

    220KB

  • memory/1564-23-0x0000000000000000-mapping.dmp

  • memory/1680-21-0x0000000000000000-mapping.dmp

  • memory/1712-17-0x0000000000000000-mapping.dmp

  • memory/1712-19-0x0000000002470000-0x0000000002481000-memory.dmp

    Filesize

    68KB

  • memory/1768-2-0x000007FEF7FE0000-0x000007FEF825A000-memory.dmp

    Filesize

    2.5MB

  • memory/1824-0-0x0000000000480000-0x0000000000481000-memory.dmp

    Filesize

    4KB