Analysis

  • max time kernel
    138s
  • max time network
    140s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    28-04-2021 23:20

General

  • Target

    file.dll

  • Size

    407KB

  • MD5

    b136b6880456150b360f4b7634bd9101

  • SHA1

    2abcbbba11a99e01051835be64c63c195978aa9b

  • SHA256

    916bd6b8afe9b2ffee321085f2ef6abfd4f3fdd24071ce7285109d2460c6a2e7

  • SHA512

    c8874723ddc13eeb34d3f07f8580cca367fd8185b1b9031130b896ffe8120c32716e82ee6703fbb519fe1ed07006f961b06e183d46924a53c30911f747d626b6

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:3944
    • 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:3636
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1424
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn brelwiw /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 01:07 /ET 01:19
          4⤵
          • Creates scheduled task(s)
          PID:1564
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Loads dropped DLL
      PID:3228
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3228 -s 600
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2948

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

    af6c06e6d6f89d1093e3d172551a6609

    SHA1

    0aba74b5b1ab31c8a7ec75f34a8e09bc2e8e8a0c

    SHA256

    63efaa52bd0adc9544e1698b72d7f198b93fcffaab49bc7af3598dcb9f37ca27

    SHA512

    cd9d6813b9c1b3eb3c6fd767d4636a7bb3989274bd0af13aedd7f635ee1c0e6fb97d472ef8426ea0af3c897fa4dfa6ae1fe8d27d1b417b3270c8e84576335863

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

    af6c06e6d6f89d1093e3d172551a6609

    SHA1

    0aba74b5b1ab31c8a7ec75f34a8e09bc2e8e8a0c

    SHA256

    63efaa52bd0adc9544e1698b72d7f198b93fcffaab49bc7af3598dcb9f37ca27

    SHA512

    cd9d6813b9c1b3eb3c6fd767d4636a7bb3989274bd0af13aedd7f635ee1c0e6fb97d472ef8426ea0af3c897fa4dfa6ae1fe8d27d1b417b3270c8e84576335863

  • memory/1424-117-0x0000000000000000-mapping.dmp
  • memory/1424-121-0x0000000000F10000-0x0000000000F45000-memory.dmp
    Filesize

    212KB

  • memory/1564-118-0x0000000000000000-mapping.dmp
  • memory/3228-123-0x0000000000000000-mapping.dmp
  • memory/3636-114-0x0000000000000000-mapping.dmp
  • memory/3636-116-0x0000000010000000-0x0000000010067000-memory.dmp
    Filesize

    412KB

  • memory/3636-115-0x0000000003400000-0x000000000354A000-memory.dmp
    Filesize

    1.3MB