Analysis

  • max time kernel
    145s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2023 14:00

General

  • Target

    bfe9c5ad4132e6f317351a8f17450d09.dll

  • Size

    1.0MB

  • MD5

    bfe9c5ad4132e6f317351a8f17450d09

  • SHA1

    209da31664e8cb26e12b15181b85e2e93e404ef7

  • SHA256

    45f9221e1b71c4d31830a1ded1809bf510facdfc809012d898990205d34b6eb3

  • SHA512

    a04f1066962050b46d22347b6ab53409a6f70d316828e95bbdba540b5e829e8bd2fd8094f400905bc7ac44e41abe946fe50de4caddd22bbe7ce01700492209b7

  • SSDEEP

    24576:8+N4Rsx6ZIlcgFagUOqtQ1e78l1T9N36OfMMElHNGlpJMFymEYe/uAg9JXkQKLKT:8lIOgFa41l1T9N36OUMzlpJMFymEYe/y

Malware Config

Extracted

Family

qakbot

Version

402.363

Botnet

tr

Campaign

1633334141

C2

75.75.179.226:443

185.250.148.74:443

122.11.220.212:2222

120.150.218.241:995

103.148.120.144:443

140.82.49.12:443

40.131.140.155:995

206.47.134.234:2222

73.230.205.91:443

190.198.206.189:2222

103.157.122.198:995

81.250.153.227:2222

167.248.100.227:443

96.57.188.174:2078

217.17.56.163:2222

217.17.56.163:2078

41.228.22.180:443

136.232.34.70:443

68.186.192.69:443

167.248.111.245:443

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Windows security bypass 2 TTPs 4 IoCs
  • 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.

  • Modifies data under HKEY_USERS 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\bfe9c5ad4132e6f317351a8f17450d09.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2144
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bfe9c5ad4132e6f317351a8f17450d09.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2224
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2032
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn diviwfnx /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\bfe9c5ad4132e6f317351a8f17450d09.dll\"" /SC ONCE /Z /ST 16:45 /ET 16:57
          4⤵
          • Creates scheduled task(s)
          PID:2708
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {2B76B144-DEBC-414C-B920-3DE5B9834D0F} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2160
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\bfe9c5ad4132e6f317351a8f17450d09.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2504
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\bfe9c5ad4132e6f317351a8f17450d09.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1640
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious use of WriteProcessMemory
          PID:1428
          • 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\Xfskydmnv" /d "0"
            5⤵
            • Windows security bypass
            PID:2500
          • 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\Oktdsua" /d "0"
            5⤵
            • Windows security bypass
            PID:1252

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\bfe9c5ad4132e6f317351a8f17450d09.dll

    Filesize

    958KB

    MD5

    caa9ae28580108a6361dc3a1b9c87690

    SHA1

    4f204cdaba318798743c5cfa45520b295daeb9a6

    SHA256

    f914564d9d0ef2ba29aa34c3361d23824e0491a8938dd1a540706ae5cbb2f780

    SHA512

    b90eec5f6c59b070eaea8b14bf7cc35c74dd19267e414c596c97f3d300469017c21e8a6dc18f3cca8cb42434a97b13e469d939973d4cb42a5872b6a5247670a5

  • \??\PIPE\wkssvc

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • \Users\Admin\AppData\Local\Temp\bfe9c5ad4132e6f317351a8f17450d09.dll

    Filesize

    1.0MB

    MD5

    bfe9c5ad4132e6f317351a8f17450d09

    SHA1

    209da31664e8cb26e12b15181b85e2e93e404ef7

    SHA256

    45f9221e1b71c4d31830a1ded1809bf510facdfc809012d898990205d34b6eb3

    SHA512

    a04f1066962050b46d22347b6ab53409a6f70d316828e95bbdba540b5e829e8bd2fd8094f400905bc7ac44e41abe946fe50de4caddd22bbe7ce01700492209b7

  • memory/1428-34-0x0000000000080000-0x00000000000A1000-memory.dmp

    Filesize

    132KB

  • memory/1428-30-0x0000000000080000-0x00000000000A1000-memory.dmp

    Filesize

    132KB

  • memory/1428-31-0x0000000000080000-0x00000000000A1000-memory.dmp

    Filesize

    132KB

  • memory/1428-32-0x0000000000080000-0x00000000000A1000-memory.dmp

    Filesize

    132KB

  • memory/1428-27-0x0000000000080000-0x00000000000A1000-memory.dmp

    Filesize

    132KB

  • memory/1640-28-0x0000000072350000-0x0000000072D5C000-memory.dmp

    Filesize

    10.0MB

  • memory/1640-23-0x0000000072350000-0x0000000072D5C000-memory.dmp

    Filesize

    10.0MB

  • memory/1640-20-0x0000000072350000-0x0000000072D5C000-memory.dmp

    Filesize

    10.0MB

  • memory/2032-15-0x0000000000080000-0x00000000000A1000-memory.dmp

    Filesize

    132KB

  • memory/2032-13-0x0000000000080000-0x00000000000A1000-memory.dmp

    Filesize

    132KB

  • memory/2032-12-0x0000000000080000-0x00000000000A1000-memory.dmp

    Filesize

    132KB

  • memory/2032-11-0x0000000000080000-0x00000000000A1000-memory.dmp

    Filesize

    132KB

  • memory/2032-7-0x0000000000080000-0x00000000000A1000-memory.dmp

    Filesize

    132KB

  • memory/2032-5-0x00000000000B0000-0x00000000000B2000-memory.dmp

    Filesize

    8KB

  • memory/2224-0-0x0000000072D60000-0x000000007376C000-memory.dmp

    Filesize

    10.0MB

  • memory/2224-8-0x0000000072D60000-0x000000007376C000-memory.dmp

    Filesize

    10.0MB

  • memory/2224-4-0x00000000000C0000-0x00000000000C1000-memory.dmp

    Filesize

    4KB

  • memory/2224-3-0x0000000072D60000-0x000000007376C000-memory.dmp

    Filesize

    10.0MB

  • memory/2224-1-0x0000000072D60000-0x000000007376C000-memory.dmp

    Filesize

    10.0MB