Analysis

  • max time kernel
    130s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    05-05-2021 14:32

General

  • Target

    101b91516f972ce5b81a0cdcba5f6de7.dll

  • Size

    470KB

  • MD5

    101b91516f972ce5b81a0cdcba5f6de7

  • SHA1

    e3dfeb51a3733a02ffdada1d938ab95e40e32153

  • SHA256

    c8d67b97aa1aa6681877091479081aa89186e3e4bab25dc3adabebf58ecc40f8

  • SHA512

    b6d4f05606d3b95afb216c00981baab8bfec197a13235a0b055ab5c753a898c368f36b334f31784e6d190e34d977889f8bbda4543f7c78c60fc80490c87db275

Malware Config

Extracted

Family

qakbot

Version

402.12

Botnet

tr

Campaign

1618935072

C2

140.82.49.12:443

190.85.91.154:443

96.37.113.36:993

71.41.184.10:3389

186.31.46.121:443

73.25.124.140:2222

109.12.111.14:443

24.229.150.54:995

45.32.211.207:443

45.77.117.108:443

45.77.117.108:8443

149.28.98.196:443

149.28.98.196:2222

144.202.38.185:443

144.202.38.185:995

45.32.211.207:995

207.246.116.237:995

149.28.99.97:995

45.63.107.192:2222

149.28.101.90:995

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\101b91516f972ce5b81a0cdcba5f6de7.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:368
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\101b91516f972ce5b81a0cdcba5f6de7.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1956
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1528
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn sgazdpe /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\101b91516f972ce5b81a0cdcba5f6de7.dll\"" /SC ONCE /Z /ST 14:37 /ET 14:49
          4⤵
          • Creates scheduled task(s)
          PID:1412
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {2F25A29D-6A96-4F2A-96B2-1E00FA5EBB19} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:972
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\101b91516f972ce5b81a0cdcba5f6de7.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:728
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\101b91516f972ce5b81a0cdcba5f6de7.dll"
        3⤵
        • Loads dropped DLL
        PID:620

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\101b91516f972ce5b81a0cdcba5f6de7.dll
    MD5

    c9a082a0d23756ca0fec3934e7cfb30f

    SHA1

    920b2498ee8b9435810238497aa46eb602fb6265

    SHA256

    13ae58759ae9d1413d3556e4413b8b2ca3453946ed9b095c8fc1701f037efc10

    SHA512

    797ca185445de53d4ad903d5a23fec25230deed56503f15df2a8c0098202a158b6f4f577537a2428431f1aa42b206c7eeced092840dd37e5d604305d4e0ed572

  • \Users\Admin\AppData\Local\Temp\101b91516f972ce5b81a0cdcba5f6de7.dll
    MD5

    c9a082a0d23756ca0fec3934e7cfb30f

    SHA1

    920b2498ee8b9435810238497aa46eb602fb6265

    SHA256

    13ae58759ae9d1413d3556e4413b8b2ca3453946ed9b095c8fc1701f037efc10

    SHA512

    797ca185445de53d4ad903d5a23fec25230deed56503f15df2a8c0098202a158b6f4f577537a2428431f1aa42b206c7eeced092840dd37e5d604305d4e0ed572

  • memory/620-71-0x0000000000000000-mapping.dmp
  • memory/728-68-0x0000000000000000-mapping.dmp
  • memory/728-69-0x000007FEFBDC1000-0x000007FEFBDC3000-memory.dmp
    Filesize

    8KB

  • memory/1412-67-0x0000000000000000-mapping.dmp
  • memory/1528-66-0x00000000000C0000-0x00000000000F9000-memory.dmp
    Filesize

    228KB

  • memory/1528-65-0x0000000074B21000-0x0000000074B23000-memory.dmp
    Filesize

    8KB

  • memory/1528-63-0x0000000000000000-mapping.dmp
  • memory/1956-59-0x0000000000000000-mapping.dmp
  • memory/1956-62-0x0000000010000000-0x0000000010079000-memory.dmp
    Filesize

    484KB

  • memory/1956-61-0x00000000001F0000-0x0000000000263000-memory.dmp
    Filesize

    460KB

  • memory/1956-60-0x0000000076661000-0x0000000076663000-memory.dmp
    Filesize

    8KB