Analysis

  • max time kernel
    97s
  • max time network
    98s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    20-09-2021 16:48

General

  • Target

    44459.8061394676.dat.dll

  • Size

    823KB

  • MD5

    a372400cbff205def639e4db62ef17b4

  • SHA1

    445447a8cd34df42d7fd786a164389cf8e5f82db

  • SHA256

    63deda6fe8af221a650f6ba6a2ee6c7fec17f10bc5e063c9b0aaee4981a01150

  • SHA512

    763807749271cf66fa935b4da272ede62543971e124680381af5f22dd20d48d7f297dfcfb441ad3e56b96902129428d925b89e37ebc745b62d641fe7802b5457

Malware Config

Extracted

Family

qakbot

Version

402.318

Botnet

obama100

Campaign

1632151873

C2

45.46.53.140:2222

144.139.47.206:443

189.210.115.207:443

120.150.218.241:995

47.22.148.6:443

140.82.49.12:443

24.139.72.117:443

24.229.150.54:995

24.55.112.61:443

136.232.34.70:443

95.77.223.148:443

173.21.10.71:2222

76.25.142.196:443

96.37.113.36:993

71.74.12.34:443

73.151.236.31:443

67.165.206.193:993

109.12.111.14:443

68.204.7.158:443

105.198.236.99:443

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 1 IoCs
  • Program crash 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 16 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\44459.8061394676.dat.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:656
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\44459.8061394676.dat.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:900
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:428
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn erijvrd /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\44459.8061394676.dat.dll\"" /SC ONCE /Z /ST 18:50 /ET 19:02
          4⤵
          • Creates scheduled task(s)
          PID:1036
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\44459.8061394676.dat.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\44459.8061394676.dat.dll"
      2⤵
      • Loads dropped DLL
      PID:3660
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4016

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

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\44459.8061394676.dat.dll
    MD5

    7efa5b5923e694d93646f5925e55cbbf

    SHA1

    bc62055da13c7467052f41eb5685098c7afae546

    SHA256

    37bba0128d8ee0cc603ab23c7ec2433c86b25edba7b373b14da0cc0321585d64

    SHA512

    5088e316fbc81fa2e6f07d6c8b1ed9b5f8845c0188c631bab206ec66ededb605bbcd4507e4fe1d12251ca690c65daecec864e38ce6cbc4f6f77b5439b62c5f50

  • \Users\Admin\AppData\Local\Temp\44459.8061394676.dat.dll
    MD5

    7efa5b5923e694d93646f5925e55cbbf

    SHA1

    bc62055da13c7467052f41eb5685098c7afae546

    SHA256

    37bba0128d8ee0cc603ab23c7ec2433c86b25edba7b373b14da0cc0321585d64

    SHA512

    5088e316fbc81fa2e6f07d6c8b1ed9b5f8845c0188c631bab206ec66ededb605bbcd4507e4fe1d12251ca690c65daecec864e38ce6cbc4f6f77b5439b62c5f50

  • memory/428-118-0x0000000000000000-mapping.dmp
  • memory/428-122-0x0000000003080000-0x00000000030A1000-memory.dmp
    Filesize

    132KB

  • memory/900-114-0x0000000000000000-mapping.dmp
  • memory/900-116-0x0000000074380000-0x000000007446A000-memory.dmp
    Filesize

    936KB

  • memory/900-115-0x0000000074380000-0x00000000743A1000-memory.dmp
    Filesize

    132KB

  • memory/900-117-0x0000000002B20000-0x0000000002C6A000-memory.dmp
    Filesize

    1.3MB

  • memory/1036-119-0x0000000000000000-mapping.dmp
  • memory/3660-124-0x0000000000000000-mapping.dmp