Analysis

  • max time kernel
    136s
  • max time network
    8s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    19-04-2021 18:01

General

  • Target

    391e8c964ad26241c71b43156e0c09c6.dll

  • Size

    632KB

  • MD5

    391e8c964ad26241c71b43156e0c09c6

  • SHA1

    cacc615e6a5d0eb6de5fc6e0d4e79d672acf6e35

  • SHA256

    1b1f8bd2ee572022fec620ee46952f595b4846fa7aa6e8726cba81c38fa06931

  • SHA512

    f457f91d10e6c4b2bd46cfaa9bf07c67d2127f5a10f05e712dd72af6276d473ae3ad9b89293d972c523021ca295fe4b306eaa25ae201032da93dde60a13315b3

Malware Config

Extracted

Family

qakbot

Botnet

obama30

Campaign

1618843418

C2

83.110.109.164:2222

75.67.192.125:443

189.210.115.207:443

47.196.192.184:443

72.252.201.69:443

151.205.102.42:443

81.97.154.100:443

24.117.107.120:443

140.82.49.12:443

78.63.226.32:443

72.240.200.181:2222

75.137.47.174:443

71.41.184.10:3389

73.25.124.140:2222

149.28.101.90:8443

149.28.101.90:2222

45.77.115.208:995

45.77.115.208:8443

207.246.77.75:8443

207.246.77.75:2222

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\391e8c964ad26241c71b43156e0c09c6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\391e8c964ad26241c71b43156e0c09c6.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1396
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1080
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn oyzxqmqb /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\391e8c964ad26241c71b43156e0c09c6.dll\"" /SC ONCE /Z /ST 18:07 /ET 18:19
          4⤵
          • Creates scheduled task(s)
          PID:1088
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {8B3F59F3-A4CD-4B47-BD74-CF982D313E7A} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:332
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\391e8c964ad26241c71b43156e0c09c6.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1628
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\391e8c964ad26241c71b43156e0c09c6.dll"
        3⤵
        • Loads dropped DLL
        PID:760

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\391e8c964ad26241c71b43156e0c09c6.dll
    MD5

    7632eb82ec4f21dc1ad30450571aa57c

    SHA1

    0554b65600ec4f00c9f1ec166dff516df66a0131

    SHA256

    81f5fa4b9aaaa7c0063b582cbe18e633e9e9e8f459c603699c40b5310aa0ad0b

    SHA512

    0430b1d75c5fd87485d4d676c91e0d13ca26a24d04fcbd82ff3c0ea00cb2def1f1837b0af3dd85dabfa657d36e11baaa20b19e26d7c4fb04672959e274ebf239

  • \Users\Admin\AppData\Local\Temp\391e8c964ad26241c71b43156e0c09c6.dll
    MD5

    7632eb82ec4f21dc1ad30450571aa57c

    SHA1

    0554b65600ec4f00c9f1ec166dff516df66a0131

    SHA256

    81f5fa4b9aaaa7c0063b582cbe18e633e9e9e8f459c603699c40b5310aa0ad0b

    SHA512

    0430b1d75c5fd87485d4d676c91e0d13ca26a24d04fcbd82ff3c0ea00cb2def1f1837b0af3dd85dabfa657d36e11baaa20b19e26d7c4fb04672959e274ebf239

  • memory/760-73-0x0000000000000000-mapping.dmp
  • memory/1080-69-0x00000000000C0000-0x00000000000F9000-memory.dmp
    Filesize

    228KB

  • memory/1080-65-0x0000000000000000-mapping.dmp
  • memory/1080-67-0x00000000751D1000-0x00000000751D3000-memory.dmp
    Filesize

    8KB

  • memory/1088-68-0x0000000000000000-mapping.dmp
  • memory/1396-63-0x00000000001E0000-0x0000000000222000-memory.dmp
    Filesize

    264KB

  • memory/1396-64-0x00000000007E0000-0x0000000000819000-memory.dmp
    Filesize

    228KB

  • memory/1396-60-0x0000000000000000-mapping.dmp
  • memory/1396-62-0x00000000002F0000-0x0000000000392000-memory.dmp
    Filesize

    648KB

  • memory/1396-61-0x00000000765F1000-0x00000000765F3000-memory.dmp
    Filesize

    8KB

  • memory/1628-70-0x0000000000000000-mapping.dmp
  • memory/1628-71-0x000007FEFC411000-0x000007FEFC413000-memory.dmp
    Filesize

    8KB