Analysis

  • max time kernel
    128s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    16-06-2021 15:58

General

  • Target

    61a9cd051ab9488ac32b867204301593.dll

  • Size

    893KB

  • MD5

    61a9cd051ab9488ac32b867204301593

  • SHA1

    9485475bb304e123f2cf58250ba36ee26706ff26

  • SHA256

    224c62bcaf9e4eb208ea49c9727edc7cadfbd58c6209595a66a636627f43d085

  • SHA512

    8062c1f3af0a92bc8c86e5ad805fe58e4d24cd5a3983d90ddcbc942f04fb3081c383961459496c79b6ca75f939a4b4226565c6b98429d5ccea81831893d3f36c

Malware Config

Extracted

Family

qakbot

Version

402.115

Botnet

obama60

Campaign

1623839235

C2

71.163.222.223:443

83.110.109.155:2222

140.82.49.12:443

144.139.47.206:443

105.198.236.101:443

136.232.34.70:443

90.65.234.26:2222

71.41.184.10:3389

98.192.185.86:443

184.185.103.157:443

24.179.77.236:443

81.97.154.100:443

186.144.33.73:443

96.253.46.210:443

213.122.113.120:443

47.22.148.6:443

149.28.99.97:995

45.63.107.192:2222

45.32.211.207:443

45.32.211.207:8443

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\61a9cd051ab9488ac32b867204301593.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:736
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\61a9cd051ab9488ac32b867204301593.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:644
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2040
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn yvcxkpimjc /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\61a9cd051ab9488ac32b867204301593.dll\"" /SC ONCE /Z /ST 16:04 /ET 16:16
          4⤵
          • Creates scheduled task(s)
          PID:868
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {ADEEB9FA-927D-492D-88B4-7BF79E7E06B7} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1460
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\61a9cd051ab9488ac32b867204301593.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:480
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\61a9cd051ab9488ac32b867204301593.dll"
        3⤵
        • Loads dropped DLL
        PID:872

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\61a9cd051ab9488ac32b867204301593.dll
    MD5

    e0c6831796350512dcfacd9b2fb34fec

    SHA1

    10c024e439664ad989fcaa392bbf8a70ea5a318e

    SHA256

    334bb514cc679cd5d751e0acb1efc9c3a152e4446397d521987eb368f65ab7c7

    SHA512

    050d8a9ac5dbec27858f36ded18e82ece3fb2d44a21753f40d87f3028e9754bafa2e50c1f7028d06c2c54a963f0ed02b20f658787196af91b6ae3ec031714b7f

  • \Users\Admin\AppData\Local\Temp\61a9cd051ab9488ac32b867204301593.dll
    MD5

    e0c6831796350512dcfacd9b2fb34fec

    SHA1

    10c024e439664ad989fcaa392bbf8a70ea5a318e

    SHA256

    334bb514cc679cd5d751e0acb1efc9c3a152e4446397d521987eb368f65ab7c7

    SHA512

    050d8a9ac5dbec27858f36ded18e82ece3fb2d44a21753f40d87f3028e9754bafa2e50c1f7028d06c2c54a963f0ed02b20f658787196af91b6ae3ec031714b7f

  • memory/480-70-0x0000000000000000-mapping.dmp
  • memory/480-71-0x000007FEFB8F1000-0x000007FEFB8F3000-memory.dmp
    Filesize

    8KB

  • memory/644-63-0x00000000001A0000-0x00000000001D0000-memory.dmp
    Filesize

    192KB

  • memory/644-64-0x0000000000240000-0x000000000026F000-memory.dmp
    Filesize

    188KB

  • memory/644-60-0x0000000000000000-mapping.dmp
  • memory/644-62-0x0000000000830000-0x0000000000913000-memory.dmp
    Filesize

    908KB

  • memory/644-61-0x00000000757E1000-0x00000000757E3000-memory.dmp
    Filesize

    8KB

  • memory/868-68-0x0000000000000000-mapping.dmp
  • memory/872-73-0x0000000000000000-mapping.dmp
  • memory/2040-65-0x0000000000000000-mapping.dmp
  • memory/2040-67-0x00000000743E1000-0x00000000743E3000-memory.dmp
    Filesize

    8KB

  • memory/2040-69-0x0000000000080000-0x00000000000AF000-memory.dmp
    Filesize

    188KB