Analysis

  • max time kernel
    150s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220331-en
  • submitted
    09-04-2022 19:00

General

  • Target

    423f95a37d184c211ae0253eacf6506557a390a920d566eff1949f0503df11e5.dll

  • Size

    1.7MB

  • MD5

    44a0cce80324380306002058f7efb2bb

  • SHA1

    61c4bca5a02ace033feb8474e081f8648044c65a

  • SHA256

    423f95a37d184c211ae0253eacf6506557a390a920d566eff1949f0503df11e5

  • SHA512

    ba0bfe70b73887d5dfddc909977772927b1714f0de9181eca98a678c748744ce883b5ce4dc139d0bf21f2879fe5d68e930e612d9f7b02150963682cec3db1e02

Malware Config

Extracted

Family

qakbot

Version

403.573

Botnet

AA

Campaign

1649273304

C2

83.110.75.97:2222

47.23.89.62:993

187.207.48.194:61202

45.63.1.12:995

140.82.63.183:995

45.76.167.26:995

140.82.63.183:443

144.202.2.175:995

144.202.3.39:443

149.28.238.199:443

144.202.3.39:995

45.63.1.12:443

149.28.238.199:995

45.76.167.26:443

144.202.2.175:443

100.1.108.246:443

32.221.224.140:995

24.55.67.176:443

31.35.28.29:443

70.51.134.168:2222

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

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 64 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\423f95a37d184c211ae0253eacf6506557a390a920d566eff1949f0503df11e5.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1880
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\423f95a37d184c211ae0253eacf6506557a390a920d566eff1949f0503df11e5.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1840
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2028
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn tbnsueqfx /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\423f95a37d184c211ae0253eacf6506557a390a920d566eff1949f0503df11e5.dll\"" /SC ONCE /Z /ST 21:02 /ET 21:14
          4⤵
          • Creates scheduled task(s)
          PID:2000
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {5A7ABBC2-480C-4672-81AF-ABB9A06DED33} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:772
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\423f95a37d184c211ae0253eacf6506557a390a920d566eff1949f0503df11e5.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1588
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\423f95a37d184c211ae0253eacf6506557a390a920d566eff1949f0503df11e5.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:848

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\423f95a37d184c211ae0253eacf6506557a390a920d566eff1949f0503df11e5.dll
    Filesize

    1.7MB

    MD5

    44a0cce80324380306002058f7efb2bb

    SHA1

    61c4bca5a02ace033feb8474e081f8648044c65a

    SHA256

    423f95a37d184c211ae0253eacf6506557a390a920d566eff1949f0503df11e5

    SHA512

    ba0bfe70b73887d5dfddc909977772927b1714f0de9181eca98a678c748744ce883b5ce4dc139d0bf21f2879fe5d68e930e612d9f7b02150963682cec3db1e02

  • \Users\Admin\AppData\Local\Temp\423f95a37d184c211ae0253eacf6506557a390a920d566eff1949f0503df11e5.dll
    Filesize

    1.7MB

    MD5

    44a0cce80324380306002058f7efb2bb

    SHA1

    61c4bca5a02ace033feb8474e081f8648044c65a

    SHA256

    423f95a37d184c211ae0253eacf6506557a390a920d566eff1949f0503df11e5

    SHA512

    ba0bfe70b73887d5dfddc909977772927b1714f0de9181eca98a678c748744ce883b5ce4dc139d0bf21f2879fe5d68e930e612d9f7b02150963682cec3db1e02

  • memory/848-82-0x0000000001170000-0x00000000011FF000-memory.dmp
    Filesize

    572KB

  • memory/848-81-0x0000000000930000-0x00000000009BB000-memory.dmp
    Filesize

    556KB

  • memory/848-80-0x0000000001170000-0x00000000011FF000-memory.dmp
    Filesize

    572KB

  • memory/848-79-0x0000000001170000-0x00000000011FF000-memory.dmp
    Filesize

    572KB

  • memory/848-78-0x0000000001170000-0x00000000011FF000-memory.dmp
    Filesize

    572KB

  • memory/848-77-0x0000000001170000-0x00000000011FF000-memory.dmp
    Filesize

    572KB

  • memory/848-76-0x0000000000B50000-0x0000000000CFE000-memory.dmp
    Filesize

    1.7MB

  • memory/848-73-0x0000000000000000-mapping.dmp
  • memory/1588-70-0x0000000000000000-mapping.dmp
  • memory/1588-71-0x000007FEFC4C1000-0x000007FEFC4C3000-memory.dmp
    Filesize

    8KB

  • memory/1840-60-0x00000000023B0000-0x000000000243F000-memory.dmp
    Filesize

    572KB

  • memory/1840-57-0x00000000023B0000-0x000000000243F000-memory.dmp
    Filesize

    572KB

  • memory/1840-55-0x00000000759C1000-0x00000000759C3000-memory.dmp
    Filesize

    8KB

  • memory/1840-56-0x0000000001E80000-0x000000000202E000-memory.dmp
    Filesize

    1.7MB

  • memory/1840-58-0x00000000023B0000-0x000000000243F000-memory.dmp
    Filesize

    572KB

  • memory/1840-59-0x00000000023B0000-0x000000000243F000-memory.dmp
    Filesize

    572KB

  • memory/1840-62-0x00000000023B0000-0x000000000243F000-memory.dmp
    Filesize

    572KB

  • memory/1840-61-0x0000000000310000-0x000000000039B000-memory.dmp
    Filesize

    556KB

  • memory/1840-54-0x0000000000000000-mapping.dmp
  • memory/2000-69-0x0000000000000000-mapping.dmp
  • memory/2028-63-0x0000000000110000-0x0000000000112000-memory.dmp
    Filesize

    8KB

  • memory/2028-65-0x0000000000000000-mapping.dmp
  • memory/2028-67-0x0000000075121000-0x0000000075123000-memory.dmp
    Filesize

    8KB

  • memory/2028-68-0x0000000000080000-0x000000000010F000-memory.dmp
    Filesize

    572KB