Analysis

  • max time kernel
    144s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-12-2023 17:17

General

  • Target

    f4b4f95f4c8d9f32dcd54565a0626f6e.dll

  • Size

    820KB

  • MD5

    f4b4f95f4c8d9f32dcd54565a0626f6e

  • SHA1

    c423b4ae7c02841400f29d16609131d333618a06

  • SHA256

    608a569b3caa54231e76b65fe3e1945a4c8af8a16eb1707a1ddb687fb3228495

  • SHA512

    66c164ed0fd57a8d59d42db3d5369f98432e327ee182af7f7f1fe20c486b27ce94ef1c79977ca9978a3a568d1d7cc54a3a1ef770f7d55815c207b73393cd5e1d

  • SSDEEP

    24576:IO6c3oCrVA7bEK7mJaW2eX8TvE81oIzsk6EzCUfk7uu:GuVeEK7mmeX8TBoIzsk6hUf4B

Malware Config

Extracted

Family

qakbot

Version

402.363

Botnet

obama112

Campaign

1633682302

C2

98.157.235.126:443

124.123.42.115:2222

185.250.148.74:443

73.77.87.137:443

188.50.169.158:443

216.201.162.158:443

174.54.193.186:443

27.223.92.142:995

220.255.25.28:2222

103.142.10.177:443

2.222.167.138:443

66.177.215.152:0

122.11.220.212:2222

85.109.229.54:995

140.82.49.12:443

199.27.127.129:443

209.50.20.255:443

73.230.205.91:443

200.232.214.222:995

81.241.252.59:2078

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4b4f95f4c8d9f32dcd54565a0626f6e.dll,#1
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Windows\SysWOW64\explorer.exe
      C:\Windows\SysWOW64\explorer.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1132
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ggvsdswrgq /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\f4b4f95f4c8d9f32dcd54565a0626f6e.dll\"" /SC ONCE /Z /ST 18:07 /ET 18:19
        3⤵
        • Creates scheduled task(s)
        PID:1544
  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4b4f95f4c8d9f32dcd54565a0626f6e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3804
  • C:\Windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\f4b4f95f4c8d9f32dcd54565a0626f6e.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4420
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\f4b4f95f4c8d9f32dcd54565a0626f6e.dll"
      2⤵
      • Loads dropped DLL
      PID:3984
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
          PID:4116
    • C:\Windows\system32\reg.exe
      C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\Users\Admin\AppData\Roaming\Microsoft\Pibirnzeif" /d "0"
      1⤵
        PID:4768
      • C:\Windows\system32\reg.exe
        C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\ProgramData\Microsoft\Uvzdqusisa" /d "0"
        1⤵
          PID:716

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\f4b4f95f4c8d9f32dcd54565a0626f6e.dll
          Filesize

          5KB

          MD5

          4fe04a7ce5cdccb5f0e7212a77021f99

          SHA1

          04029dc44b829ca6da68c633cecb15985596db13

          SHA256

          0424958e61ca8e222b736f2b5fa0d1d3707d134ce5407d05666a2cfcb5bfb17e

          SHA512

          9373d5748942873cef2b0359d951f4185982347e6117db5ab28b7a0d1051b60f5023fde7e969daeb20a0e8cf58a2bf3ebd26f1a0f2e6d41076654e0fccb856e6

        • C:\Users\Admin\AppData\Local\Temp\f4b4f95f4c8d9f32dcd54565a0626f6e.dll
          Filesize

          1KB

          MD5

          6be8b95a3a1620398bff2aa82f7d86c5

          SHA1

          2cfdc9da4d6791ad09b479101a3274aa7936b98c

          SHA256

          62df94b04d1248513bf4213a876455b89b110b0fc541e523b2f283826485c769

          SHA512

          39ed9b0213143d5ee37cfbcc86e6a08341ce7b928384dea2e918daffe2dc66487d54b01a00c9e993e022da3637cd1f78faea4f34f52f99a23878081405f17fb8

        • \??\PIPE\wkssvc
          MD5

          d41d8cd98f00b204e9800998ecf8427e

          SHA1

          da39a3ee5e6b4b0d3255bfef95601890afd80709

          SHA256

          e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

          SHA512

          cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

        • memory/1132-9-0x0000000000920000-0x0000000000941000-memory.dmp
          Filesize

          132KB

        • memory/1132-10-0x0000000000920000-0x0000000000941000-memory.dmp
          Filesize

          132KB

        • memory/1132-8-0x0000000000920000-0x0000000000941000-memory.dmp
          Filesize

          132KB

        • memory/1132-4-0x0000000000920000-0x0000000000941000-memory.dmp
          Filesize

          132KB

        • memory/1132-12-0x0000000000920000-0x0000000000941000-memory.dmp
          Filesize

          132KB

        • memory/1640-1-0x0000000075690000-0x00000000757F6000-memory.dmp
          Filesize

          1.4MB

        • memory/1640-5-0x0000000075690000-0x00000000757F6000-memory.dmp
          Filesize

          1.4MB

        • memory/1640-0-0x0000000075690000-0x00000000757F6000-memory.dmp
          Filesize

          1.4MB

        • memory/1640-3-0x0000000000D40000-0x0000000000D41000-memory.dmp
          Filesize

          4KB

        • memory/3984-19-0x00000000014F0000-0x00000000014F1000-memory.dmp
          Filesize

          4KB

        • memory/3984-16-0x0000000075600000-0x0000000075766000-memory.dmp
          Filesize

          1.4MB

        • memory/3984-21-0x0000000075600000-0x0000000075766000-memory.dmp
          Filesize

          1.4MB

        • memory/3984-17-0x0000000075600000-0x0000000075766000-memory.dmp
          Filesize

          1.4MB

        • memory/4116-22-0x00000000014A0000-0x00000000014C1000-memory.dmp
          Filesize

          132KB

        • memory/4116-26-0x00000000014A0000-0x00000000014C1000-memory.dmp
          Filesize

          132KB

        • memory/4116-25-0x00000000014A0000-0x00000000014C1000-memory.dmp
          Filesize

          132KB

        • memory/4116-24-0x00000000014A0000-0x00000000014C1000-memory.dmp
          Filesize

          132KB