Analysis

  • max time kernel
    138s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    14-02-2022 15:06

General

  • Target

    d226ce41182f6125343c1ce073d04e0eb5559d70b65555828ddaf8885c544a38.dll

  • Size

    196KB

  • MD5

    8a053913997076891cacab5df5c5d660

  • SHA1

    cc9df22a825c7d490d11ef38bd7416372f696536

  • SHA256

    d226ce41182f6125343c1ce073d04e0eb5559d70b65555828ddaf8885c544a38

  • SHA512

    e51d98799ae332326621f326b7f4f9f74b3c6880cc137a560b3e165c43112587625c0d40beea84146629a6dd95b3b5d1c7a8bb629adec2bca5e1ff904b026a2f

Malware Config

Extracted

Family

qakbot

Version

401.138

Botnet

abc114

Campaign

1608129413

C2

86.127.22.190:443

35.139.242.207:443

108.190.194.146:2222

187.213.199.54:443

68.83.89.188:443

41.233.152.232:993

196.151.252.84:443

181.208.249.141:443

172.87.134.226:443

96.27.47.70:2222

83.110.109.78:2222

93.86.1.159:995

217.162.149.212:443

80.11.210.247:443

72.252.201.69:443

185.163.221.77:2222

189.62.175.92:22

95.76.27.6:443

45.77.115.208:443

187.213.82.104:995

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in Windows directory 8 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.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor 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.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\d226ce41182f6125343c1ce073d04e0eb5559d70b65555828ddaf8885c544a38.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4472
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\d226ce41182f6125343c1ce073d04e0eb5559d70b65555828ddaf8885c544a38.dll
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4080
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4948
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn uqcyegbh /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\d226ce41182f6125343c1ce073d04e0eb5559d70b65555828ddaf8885c544a38.dll\"" /SC ONCE /Z /ST 15:08 /ET 15:20
          4⤵
          • Creates scheduled task(s)
          PID:5076
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4420
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:1032
  • C:\Windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\d226ce41182f6125343c1ce073d04e0eb5559d70b65555828ddaf8885c544a38.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3676
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\d226ce41182f6125343c1ce073d04e0eb5559d70b65555828ddaf8885c544a38.dll"
      2⤵
      • Loads dropped DLL
      PID:3628
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3628 -s 584
        3⤵
        • Program crash
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:1648
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3628 -ip 3628
    1⤵
    • Suspicious use of NtCreateProcessExOtherParentProcess
    • Suspicious use of WriteProcessMemory
    PID:4860

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

3
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

3
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\d226ce41182f6125343c1ce073d04e0eb5559d70b65555828ddaf8885c544a38.dll
    MD5

    892bdbc4b92f477faa8172b81eb1a56a

    SHA1

    0a70193badc6b7d68f09a2357720b81400e61122

    SHA256

    0d8296365e797e7799efccfbf61ce4f55f8c4a1a4beaf7c0dd4595345dd8de42

    SHA512

    dd57c6f4aa75dda16c501e1d90a87a95f4f84c2a04036f15e27372270b026d39ad7c760585a4e598ca61b6f285c9172d08208654e3634a28613eadd9118b49a9

  • C:\Users\Admin\AppData\Local\Temp\d226ce41182f6125343c1ce073d04e0eb5559d70b65555828ddaf8885c544a38.dll
    MD5

    892bdbc4b92f477faa8172b81eb1a56a

    SHA1

    0a70193badc6b7d68f09a2357720b81400e61122

    SHA256

    0d8296365e797e7799efccfbf61ce4f55f8c4a1a4beaf7c0dd4595345dd8de42

    SHA512

    dd57c6f4aa75dda16c501e1d90a87a95f4f84c2a04036f15e27372270b026d39ad7c760585a4e598ca61b6f285c9172d08208654e3634a28613eadd9118b49a9

  • memory/4420-132-0x0000021CCA130000-0x0000021CCA140000-memory.dmp
    Filesize

    64KB

  • memory/4420-133-0x0000021CCA190000-0x0000021CCA1A0000-memory.dmp
    Filesize

    64KB

  • memory/4420-134-0x0000021CCCEA0000-0x0000021CCCEA4000-memory.dmp
    Filesize

    16KB

  • memory/4948-130-0x0000000000DD3000-0x0000000000DD4000-memory.dmp
    Filesize

    4KB

  • memory/4948-131-0x0000000000680000-0x00000000006B5000-memory.dmp
    Filesize

    212KB