Analysis

  • max time kernel
    147s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    22-02-2021 17:03

General

  • Target

    095dd24006435241df2f18e24e7227a6285f0f2c935e97712fbea0c5af22f61d.xls

  • Size

    89KB

  • MD5

    f5ab73fce5791889d025ffe96cb7da34

  • SHA1

    01e9b0107095b88a73d66bd1eccb7ad318fe7b75

  • SHA256

    095dd24006435241df2f18e24e7227a6285f0f2c935e97712fbea0c5af22f61d

  • SHA512

    8a42795a726b855dd280da10b5b38a480f7ec8b29875880d95aada5f02a67af4034efaebb574c2427baeb86028e9202b6f491ff9927868051c7eb17f55f90818

Malware Config

Extracted

Family

qakbot

Botnet

tr

Campaign

1613385567

C2

78.63.226.32:443

197.51.82.72:443

193.248.221.184:2222

95.77.223.148:443

71.199.192.62:443

77.211.30.202:995

80.227.5.69:443

77.27.204.204:995

81.97.154.100:443

173.184.119.153:995

38.92.225.121:443

81.150.181.168:2222

90.65.236.181:2222

83.110.103.152:443

73.153.211.227:443

188.25.63.105:443

89.137.211.239:995

202.188.138.162:443

98.173.34.212:995

87.202.87.210:2222

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 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 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\095dd24006435241df2f18e24e7227a6285f0f2c935e97712fbea0c5af22f61d.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3928
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\iopjvdf.vock,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:3780
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32 ..\iopjvdf.vock,DllRegisterServer
        3⤵
        • Loads dropped DLL
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:3768
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2340
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn mcxfgbak /tr "regsvr32.exe -s \"\"" /SC ONCE /Z /ST 18:10 /ET 18:22
            5⤵
            • Creates scheduled task(s)
            PID:2560

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\iopjvdf.vock
    MD5

    a8e2e77d6e1159face67ee36e5d4f199

    SHA1

    e3494981cfbc8c9a2c7a053c3ca4ab662b7f529c

    SHA256

    307dcd0bd76ec40e3297813e65542bc6480262578d6623825340a5add4fb6bf8

    SHA512

    c5e1f248a90e3406e690b1a7c3f6e09f4c1b3db5be40786669ba3aa1d48f0e6f2b0060dc3ee098fb76dfb59f2aec14aac5300556c69e214eef542561bc7df273

  • \Users\Admin\iopjvdf.vock
    MD5

    a8e2e77d6e1159face67ee36e5d4f199

    SHA1

    e3494981cfbc8c9a2c7a053c3ca4ab662b7f529c

    SHA256

    307dcd0bd76ec40e3297813e65542bc6480262578d6623825340a5add4fb6bf8

    SHA512

    c5e1f248a90e3406e690b1a7c3f6e09f4c1b3db5be40786669ba3aa1d48f0e6f2b0060dc3ee098fb76dfb59f2aec14aac5300556c69e214eef542561bc7df273

  • memory/2340-14-0x0000000000000000-mapping.dmp
  • memory/2340-17-0x0000000002750000-0x0000000002785000-memory.dmp
    Filesize

    212KB

  • memory/2340-16-0x0000000002750000-0x0000000002785000-memory.dmp
    Filesize

    212KB

  • memory/2560-15-0x0000000000000000-mapping.dmp
  • memory/3768-11-0x0000000003220000-0x0000000003221000-memory.dmp
    Filesize

    4KB

  • memory/3768-13-0x00000000050E0000-0x0000000005115000-memory.dmp
    Filesize

    212KB

  • memory/3768-12-0x0000000005060000-0x0000000005093000-memory.dmp
    Filesize

    204KB

  • memory/3768-9-0x0000000000000000-mapping.dmp
  • memory/3780-7-0x0000000000000000-mapping.dmp
  • memory/3928-4-0x00007FF8C5770000-0x00007FF8C5780000-memory.dmp
    Filesize

    64KB

  • memory/3928-3-0x00007FF8C5770000-0x00007FF8C5780000-memory.dmp
    Filesize

    64KB

  • memory/3928-5-0x00007FF8C5770000-0x00007FF8C5780000-memory.dmp
    Filesize

    64KB

  • memory/3928-2-0x00007FF8C5770000-0x00007FF8C5780000-memory.dmp
    Filesize

    64KB

  • memory/3928-6-0x00007FF8E8DB0000-0x00007FF8E93E7000-memory.dmp
    Filesize

    6.2MB