Analysis

  • max time kernel
    140s
  • max time network
    141s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    28-04-2021 23:38

General

  • Target

    file.dll

  • Size

    407KB

  • MD5

    f715008f42c153d60576632595b2ee60

  • SHA1

    8859e4979baf8e2aebf26a11c533efe94aa0bfd7

  • SHA256

    fddbcf53d1755991916fed25ff812c2dc3010782b50e990de39909477c04edb6

  • SHA512

    e0f94106042f7fb724ce71addadb119ac455a9f8cfbb331d930cde4ba18523560ec2e30959f19c26bb78172381486c1451ae68c77f814c8198935a4cd668f819

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 17 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:2232
    • 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:3224
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2856
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn wasmxsj /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 01:29 /ET 01:41
          4⤵
          • Creates scheduled task(s)
          PID:4032
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3088
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Loads dropped DLL
      PID:3576
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1788

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

    f2705757c5924dc9594b7f9a94465d7c

    SHA1

    a7ea7a6994b4aca99fc6b9087dfa66b78d79c671

    SHA256

    c6ac22bd17ecff4ea7b4b3d5a76bb1a5cfe26d8487ed74a4364ebdcb78c96646

    SHA512

    cab2c4b0d5efc13e270266ac18c2d51c6f855b1203fe1556cad54ad89cd69186311adc13fad4528084612b45db94937d5593882127a7604e89369a6c6976a29a

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

    f2705757c5924dc9594b7f9a94465d7c

    SHA1

    a7ea7a6994b4aca99fc6b9087dfa66b78d79c671

    SHA256

    c6ac22bd17ecff4ea7b4b3d5a76bb1a5cfe26d8487ed74a4364ebdcb78c96646

    SHA512

    cab2c4b0d5efc13e270266ac18c2d51c6f855b1203fe1556cad54ad89cd69186311adc13fad4528084612b45db94937d5593882127a7604e89369a6c6976a29a

  • memory/2856-117-0x0000000000000000-mapping.dmp
  • memory/2856-121-0x0000000000DB0000-0x0000000000DE5000-memory.dmp
    Filesize

    212KB

  • memory/3224-114-0x0000000000000000-mapping.dmp
  • memory/3224-116-0x0000000010000000-0x0000000010067000-memory.dmp
    Filesize

    412KB

  • memory/3224-115-0x0000000004D40000-0x0000000004DA7000-memory.dmp
    Filesize

    412KB

  • memory/3576-123-0x0000000000000000-mapping.dmp
  • memory/4032-118-0x0000000000000000-mapping.dmp