Analysis

  • max time kernel
    4294210s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    19-03-2022 16:00

General

  • Target

    669988e5c0864ec3089edc14043e0188f2a486ec422e26d1542dfa80ca1d919f.dll

  • Size

    2.4MB

  • MD5

    88b2e94cc06f10e174c6246b1c42ace8

  • SHA1

    0f90ae145db8af60c0ed44a5ccb113c088bc3dc2

  • SHA256

    669988e5c0864ec3089edc14043e0188f2a486ec422e26d1542dfa80ca1d919f

  • SHA512

    f4360bb0923ea0f319cd0fe496bc386d9834afbe90fc6e37dcd232b6872f66a5ff5a025684d464eba5411d9a251b6eb41c8e5e6f8d307e760e9f001550bb8c55

Malware Config

Extracted

Family

qakbot

Version

401.157

Botnet

abc117

Campaign

1608719407

C2

41.39.134.183:443

113.193.187.2:995

90.188.91.57:995

176.181.247.197:443

78.191.87.198:20

83.110.241.182:443

93.149.167.254:2222

76.111.128.194:443

32.212.117.188:443

72.36.59.46:2222

68.186.192.69:443

94.98.248.152:443

105.226.38.36:443

92.154.83.96:2222

37.210.255.225:995

74.195.52.3:443

73.166.10.38:443

95.77.223.148:443

80.227.5.70:443

91.104.104.63:995

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 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\669988e5c0864ec3089edc14043e0188f2a486ec422e26d1542dfa80ca1d919f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\669988e5c0864ec3089edc14043e0188f2a486ec422e26d1542dfa80ca1d919f.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1092
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:684
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn huvxgkea /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\669988e5c0864ec3089edc14043e0188f2a486ec422e26d1542dfa80ca1d919f.dll\"" /SC ONCE /Z /ST 22:28 /ET 22:40
          4⤵
          • Creates scheduled task(s)
          PID:632
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {DC7835EF-E09C-4E48-A540-FD1B362F1DDB} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:364
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\669988e5c0864ec3089edc14043e0188f2a486ec422e26d1542dfa80ca1d919f.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:756
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\669988e5c0864ec3089edc14043e0188f2a486ec422e26d1542dfa80ca1d919f.dll"
        3⤵
        • Loads dropped DLL
        PID:1148

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\669988e5c0864ec3089edc14043e0188f2a486ec422e26d1542dfa80ca1d919f.dll
    MD5

    ee1c304eaa7e2756b373b7db3b5c857f

    SHA1

    d36f1b6e276500b496e72ecbc4b16626923f49e1

    SHA256

    1578ff3ffe383ccfbf1766b4adde351088b3466479772fae6b8bfba2a7fb4cff

    SHA512

    f0bb3ffc1a91a8e10e068d03e67914f59af007984f2a6512d60f2dfa261a1cddcb0a3d16079c93d11e89ffda7a3f2f80416b7f6fba2c7196a0a29891baa6098d

  • \Users\Admin\AppData\Local\Temp\669988e5c0864ec3089edc14043e0188f2a486ec422e26d1542dfa80ca1d919f.dll
    MD5

    ee1c304eaa7e2756b373b7db3b5c857f

    SHA1

    d36f1b6e276500b496e72ecbc4b16626923f49e1

    SHA256

    1578ff3ffe383ccfbf1766b4adde351088b3466479772fae6b8bfba2a7fb4cff

    SHA512

    f0bb3ffc1a91a8e10e068d03e67914f59af007984f2a6512d60f2dfa261a1cddcb0a3d16079c93d11e89ffda7a3f2f80416b7f6fba2c7196a0a29891baa6098d

  • memory/684-59-0x00000000000C0000-0x00000000000C2000-memory.dmp
    Filesize

    8KB

  • memory/684-62-0x00000000742C1000-0x00000000742C3000-memory.dmp
    Filesize

    8KB

  • memory/684-63-0x0000000000A60000-0x0000000000CE1000-memory.dmp
    Filesize

    2.5MB

  • memory/684-64-0x0000000000080000-0x00000000000B4000-memory.dmp
    Filesize

    208KB

  • memory/756-65-0x000007FEFB561000-0x000007FEFB563000-memory.dmp
    Filesize

    8KB

  • memory/1092-54-0x0000000074F31000-0x0000000074F33000-memory.dmp
    Filesize

    8KB

  • memory/1092-55-0x0000000010000000-0x0000000010034000-memory.dmp
    Filesize

    208KB

  • memory/1092-56-0x0000000010000000-0x0000000010034000-memory.dmp
    Filesize

    208KB

  • memory/1092-57-0x0000000001E40000-0x000000000202A000-memory.dmp
    Filesize

    1.9MB

  • memory/1092-58-0x0000000010000000-0x000000001026E000-memory.dmp
    Filesize

    2.4MB