Analysis

  • max time kernel
    132s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    28-04-2021 23:37

General

  • Target

    file.dll

  • Size

    407KB

  • MD5

    cd19a50f42bc88d64b9009c8c8e6ea0c

  • SHA1

    60f24eced89ce58dcc6f4ebd178f1573529d80e7

  • SHA256

    e2a71c4d93e8689b654de050c7ce3bbc4dd728e9a07c2a9386694bd7877d45f7

  • SHA512

    9daa1f9edeedc43845ca1a7141c2dd3f48a7f602fd588d3a3c462f360979a0f690933cdd8e110927d6e0b4535ff5119fc2630e33fd229d227146ac2d514268d0

Malware Config

Extracted

Family

qakbot

Version

401.138

Botnet

obama05

Campaign

1613729859

C2

86.160.137.132:443

172.87.157.235:3389

106.51.85.162:443

108.31.15.10:995

38.92.225.121:443

173.184.119.153:995

81.150.181.168:2222

71.187.170.235:443

188.25.63.105:443

71.117.132.169:443

193.248.221.184:2222

85.52.72.32:2222

87.202.87.210:2222

78.185.59.190:443

2.7.116.188:2222

81.97.154.100:443

24.50.118.93:443

98.121.187.78:443

108.29.32.251:443

24.152.219.253:995

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 1 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • 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 18 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\file.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3164
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\file.dll
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:632
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2344
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn wjixrnyhsc /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 01:18 /ET 01:30
          4⤵
          • Creates scheduled task(s)
          PID:2780
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:584
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Loads dropped DLL
      PID:1632
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1632 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2376

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\file.dll
    MD5

    163b4f32afcf04b5b478e29e9b639a21

    SHA1

    2b8b6a5cc2805d83195f65683ad95b336e79efd9

    SHA256

    6a65c1bfa2263773316ff5035a3b4453371227e6f14a09b0161e52c32d905063

    SHA512

    56db39d1716ac62bb503c0e849062d2f03595c2545772dff06ee2d1ebc22bcc3ebdd1867746a0be57be44ec80dc06192ff670857bb14137c67298ffc6086bd8f

  • \Users\Admin\AppData\Local\Temp\file.dll
    MD5

    163b4f32afcf04b5b478e29e9b639a21

    SHA1

    2b8b6a5cc2805d83195f65683ad95b336e79efd9

    SHA256

    6a65c1bfa2263773316ff5035a3b4453371227e6f14a09b0161e52c32d905063

    SHA512

    56db39d1716ac62bb503c0e849062d2f03595c2545772dff06ee2d1ebc22bcc3ebdd1867746a0be57be44ec80dc06192ff670857bb14137c67298ffc6086bd8f

  • memory/632-114-0x0000000000000000-mapping.dmp
  • memory/632-115-0x0000000002CB0000-0x0000000002DFA000-memory.dmp
    Filesize

    1.3MB

  • memory/632-116-0x0000000010000000-0x0000000010067000-memory.dmp
    Filesize

    412KB

  • memory/1632-123-0x0000000000000000-mapping.dmp
  • memory/2344-117-0x0000000000000000-mapping.dmp
  • memory/2344-121-0x0000000000BB0000-0x0000000000BE5000-memory.dmp
    Filesize

    212KB

  • memory/2780-118-0x0000000000000000-mapping.dmp