Analysis

  • max time kernel
    134s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    19-04-2021 17:29

General

  • Target

    3049f61dc4af5e67a37d5440bd6b782d.dll

  • Size

    1.4MB

  • MD5

    3049f61dc4af5e67a37d5440bd6b782d

  • SHA1

    c94e6375ea830b19cd2ea9a78b860181de8ce46a

  • SHA256

    be26d36ef6590237c98da05310b35f03e740961b71750617f16db385aa900e61

  • SHA512

    ce32461493c87e0b138eba4a5e31db1e6f65f6e3a93ea85574b0af99d29933bd8ea001713126558717f74179f4a75c17862b82db543a2a2a2f16bb7e50f8cf78

Malware Config

Extracted

Family

qakbot

Botnet

biden29

Campaign

1618496316

C2

45.63.107.192:995

149.28.99.97:2222

75.118.1.141:443

189.210.115.207:443

72.240.200.181:2222

75.137.47.174:443

151.205.102.42:443

136.232.34.70:443

216.201.162.158:443

47.196.192.184:443

67.8.103.21:443

140.82.49.12:443

24.226.156.153:443

71.41.184.10:3389

24.139.72.117:443

71.74.12.34:443

24.55.112.61:443

173.21.10.71:2222

193.248.221.184:2222

105.198.236.99:443

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 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\3049f61dc4af5e67a37d5440bd6b782d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:772
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3049f61dc4af5e67a37d5440bd6b782d.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1392
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1548
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn zbvyymgo /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\3049f61dc4af5e67a37d5440bd6b782d.dll\"" /SC ONCE /Z /ST 17:28 /ET 17:40
          4⤵
          • Creates scheduled task(s)
          PID:1348
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {C8F4A719-CF0E-4D21-89D0-FC54F6CF8F8E} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:824
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\3049f61dc4af5e67a37d5440bd6b782d.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1636
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\3049f61dc4af5e67a37d5440bd6b782d.dll"
        3⤵
        • Loads dropped DLL
        PID:1072

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3049f61dc4af5e67a37d5440bd6b782d.dll

    MD5

    14072db80cafd973e44467f8a87d67cc

    SHA1

    4d7e9c1d7392655831d9be54db87457c6457014a

    SHA256

    6d9c45e1de7f4d81536cd01f4e4909d567e2c070325af1dc94c3e8df42af5b25

    SHA512

    fcda3c00305a4cf564ea4fe4b9e8822f8364e2d8b8ff3b0ffbc13b7af4c03dff0aa2e1354ed3c284c5068c7d2ab6b2db4fe1abe64e1b7bcebd55978c12017ef6

  • \Users\Admin\AppData\Local\Temp\3049f61dc4af5e67a37d5440bd6b782d.dll

    MD5

    14072db80cafd973e44467f8a87d67cc

    SHA1

    4d7e9c1d7392655831d9be54db87457c6457014a

    SHA256

    6d9c45e1de7f4d81536cd01f4e4909d567e2c070325af1dc94c3e8df42af5b25

    SHA512

    fcda3c00305a4cf564ea4fe4b9e8822f8364e2d8b8ff3b0ffbc13b7af4c03dff0aa2e1354ed3c284c5068c7d2ab6b2db4fe1abe64e1b7bcebd55978c12017ef6

  • memory/1072-74-0x0000000000000000-mapping.dmp

  • memory/1348-70-0x0000000000000000-mapping.dmp

  • memory/1392-63-0x00000000000C0000-0x00000000000C1000-memory.dmp

    Filesize

    4KB

  • memory/1392-65-0x0000000002050000-0x0000000002089000-memory.dmp

    Filesize

    228KB

  • memory/1392-64-0x0000000000410000-0x0000000000452000-memory.dmp

    Filesize

    264KB

  • memory/1392-60-0x0000000000000000-mapping.dmp

  • memory/1392-62-0x0000000000800000-0x0000000000960000-memory.dmp

    Filesize

    1.4MB

  • memory/1392-61-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

    Filesize

    8KB

  • memory/1548-66-0x0000000000000000-mapping.dmp

  • memory/1548-68-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

    Filesize

    8KB

  • memory/1548-69-0x00000000000F0000-0x0000000000129000-memory.dmp

    Filesize

    228KB

  • memory/1636-71-0x0000000000000000-mapping.dmp

  • memory/1636-72-0x000007FEFC181000-0x000007FEFC183000-memory.dmp

    Filesize

    8KB