Analysis

  • max time kernel
    128s
  • max time network
    130s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    12-10-2021 13:01

General

  • Target

    t.dll

  • Size

    850KB

  • MD5

    d704f0f69d6465b04c004501dbf724d8

  • SHA1

    b1819cb402a5d4a97aaef52307b20b99a76efb3e

  • SHA256

    1a6ed41d4ebe06454cf51ce5d77b44891b9f3d5a649b8d3d501d47f8a2ee2544

  • SHA512

    e87430d4a462850f292f524d3d20514be330f6e021175fdae43465d4518b22f7bc4ec0767996bbe9a632cb6c289a9c986759089b983a6fa9465edffaaa6673fb

Malware Config

Extracted

Family

qakbot

Version

402.363

Botnet

tr

Campaign

1633597626

C2

120.150.218.241:995

185.250.148.74:443

89.137.52.44:443

66.103.170.104:2222

86.8.177.143:443

216.201.162.158:443

174.54.193.186:443

103.148.120.144:443

188.50.169.158:443

124.123.42.115:2222

140.82.49.12:443

199.27.127.129:443

81.241.252.59:2078

209.142.97.161:995

209.50.20.255:443

73.230.205.91:443

200.232.214.222:995

103.142.10.177:443

2.222.167.138:443

41.228.22.180:443

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\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\t.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:652
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\t.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2180
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2176
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ouakhekkmv /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\t.dll\"" /SC ONCE /Z /ST 14:31 /ET 14:43
          4⤵
          • Creates scheduled task(s)
          PID:2300
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\t.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2316
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\t.dll"
      2⤵
      • Loads dropped DLL
      PID:364

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\t.dll
    MD5

    d704f0f69d6465b04c004501dbf724d8

    SHA1

    b1819cb402a5d4a97aaef52307b20b99a76efb3e

    SHA256

    1a6ed41d4ebe06454cf51ce5d77b44891b9f3d5a649b8d3d501d47f8a2ee2544

    SHA512

    e87430d4a462850f292f524d3d20514be330f6e021175fdae43465d4518b22f7bc4ec0767996bbe9a632cb6c289a9c986759089b983a6fa9465edffaaa6673fb

  • \Users\Admin\AppData\Local\Temp\t.dll
    MD5

    d704f0f69d6465b04c004501dbf724d8

    SHA1

    b1819cb402a5d4a97aaef52307b20b99a76efb3e

    SHA256

    1a6ed41d4ebe06454cf51ce5d77b44891b9f3d5a649b8d3d501d47f8a2ee2544

    SHA512

    e87430d4a462850f292f524d3d20514be330f6e021175fdae43465d4518b22f7bc4ec0767996bbe9a632cb6c289a9c986759089b983a6fa9465edffaaa6673fb

  • memory/364-124-0x0000000000000000-mapping.dmp
  • memory/2176-119-0x0000000000000000-mapping.dmp
  • memory/2176-120-0x0000000000860000-0x0000000000881000-memory.dmp
    Filesize

    132KB

  • memory/2176-122-0x0000000000B50000-0x0000000000B51000-memory.dmp
    Filesize

    4KB

  • memory/2180-114-0x0000000000000000-mapping.dmp
  • memory/2180-115-0x0000000074200000-0x0000000074371000-memory.dmp
    Filesize

    1.4MB

  • memory/2180-117-0x0000000074200000-0x0000000074371000-memory.dmp
    Filesize

    1.4MB

  • memory/2180-116-0x0000000074200000-0x0000000074221000-memory.dmp
    Filesize

    132KB

  • memory/2180-118-0x0000000003670000-0x0000000003671000-memory.dmp
    Filesize

    4KB

  • memory/2300-121-0x0000000000000000-mapping.dmp