Analysis

  • max time kernel
    132s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    28-04-2021 23:25

General

  • Target

    file.dll

  • Size

    407KB

  • MD5

    b59320c00437961b6799abeccb1f32b0

  • SHA1

    d2ed8302c1b943e9fafb9f7f6fa7f61f69b9d0ef

  • SHA256

    ab0543741b3c11fbddb515b81c12c6c88aad63580e80f42804d397c96b8a4982

  • SHA512

    b9f1ae32969c4f7b063a51f5128b7a69e06c65a6abd395307f04bdb86db03cc28a8a3c20b6520ae1f64f6d4434b95bf69af0f9cfda153bcef9539a2ccb0b7325

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:4000
    • 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:496
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3912
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn jionhtowh /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 03:16 /ET 03:28
          4⤵
          • Creates scheduled task(s)
          PID:2784
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3172
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Loads dropped DLL
      PID:2096
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1792

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

    5df3bcaf4c7c8952e4fc84742e34e082

    SHA1

    175fbd094d9731b31a65c8128ad2c34735eb4c47

    SHA256

    daa9417dd77734fbdec003f59bacd446dfdb8908ee02fa513a3d75123576a5e5

    SHA512

    eec8e9fc98df7283f376da668fbc2dc15e32576507fa4d08e90a65ab4ef4e85b1d71d7c06824a897c1a7cfca0b913ca7a3a55336dceb1f220ade2993a2cd2c30

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

    5df3bcaf4c7c8952e4fc84742e34e082

    SHA1

    175fbd094d9731b31a65c8128ad2c34735eb4c47

    SHA256

    daa9417dd77734fbdec003f59bacd446dfdb8908ee02fa513a3d75123576a5e5

    SHA512

    eec8e9fc98df7283f376da668fbc2dc15e32576507fa4d08e90a65ab4ef4e85b1d71d7c06824a897c1a7cfca0b913ca7a3a55336dceb1f220ade2993a2cd2c30

  • memory/496-114-0x0000000000000000-mapping.dmp
  • memory/496-116-0x0000000010000000-0x0000000010067000-memory.dmp
    Filesize

    412KB

  • memory/496-115-0x0000000001070000-0x00000000010D7000-memory.dmp
    Filesize

    412KB

  • memory/2096-123-0x0000000000000000-mapping.dmp
  • memory/2784-118-0x0000000000000000-mapping.dmp
  • memory/3912-117-0x0000000000000000-mapping.dmp
  • memory/3912-121-0x00000000001B0000-0x00000000001E5000-memory.dmp
    Filesize

    212KB