Analysis

  • max time kernel
    139s
  • max time network
    138s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15-04-2021 13:25

General

  • Target

    catalog-1746358838.xlsm

  • Size

    120KB

  • MD5

    f7604fd53f0c0e2ba5f1e688f85d6d38

  • SHA1

    4e179d4689b4d3760bbff69f3493a7802d8b9259

  • SHA256

    430d4980a1a19c9f7fdb203c395ef1a920f8595b0d93ae212fb526f9e9af1fd4

  • SHA512

    9079aefe98413f2af951dd0f787d7e4f3186e6a8ec59f16b7d19714fab48174da841f68a7204dffbb00413efacdef710621e31318791d48214309988f3835b41

Malware Config

Extracted

Family

qakbot

Botnet

tr

Campaign

1618398298

C2

47.196.192.184:443

216.201.162.158:443

136.232.34.70:443

71.41.184.10:3389

140.82.49.12:443

45.63.107.192:2222

45.63.107.192:443

149.28.98.196:443

45.32.211.207:443

144.202.38.185:443

45.77.115.208:2222

45.77.115.208:8443

207.246.116.237:995

45.77.117.108:443

149.28.99.97:443

149.28.99.97:995

149.28.98.196:995

45.32.211.207:995

45.32.211.207:2222

149.28.98.196:2222

Signatures

  • Process spawned unexpected child process 4 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 3 IoCs
  • 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 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 22 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\catalog-1746358838.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\ghnrope.rue1,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:3984
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\ghnrope.rue2,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:4064
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\ghnrope.rue3,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:968
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32 ..\ghnrope.rue3,DllRegisterServer
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:496
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3424
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn piuqpqhbl /tr "regsvr32.exe -s \"C:\Users\Admin\ghnrope.rue3\"" /SC ONCE /Z /ST 15:24 /ET 15:36
            5⤵
            • Creates scheduled task(s)
            PID:2252
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\ghnrope.rue4,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2816
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\ghnrope.rue3"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3840
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\ghnrope.rue3"
      2⤵
      • Loads dropped DLL
      PID:3412

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\ghnrope.rue3

    MD5

    0862c2bc59577f5ba1732433ced4a248

    SHA1

    77ae6da5d0a01f95b97a8f809bbf5853aa1acb4b

    SHA256

    fce34f30cbed4604e97b3982edd693510467a2d61b70ee7b62ea8c777990ea6d

    SHA512

    8aaf0529d8cf73d229c841ca5f4b7391cfb096a2de3507dd25ba170688c0495caa6f86bee4cf140dcf66734b6077d7adf1609a1a13407ce33c6ec768662cd0c4

  • C:\Users\Admin\ghnrope.rue3

    MD5

    62e816ec26ce2332fc8ed5a7dcf7e5c7

    SHA1

    e7c09a444aeb59df34a0eaa3e3bdf3921a697f53

    SHA256

    ca88e29eb97223c8f4b05589d854b942728181779e16c483843a5d860371c386

    SHA512

    1a46e74f7356a7d320f320d5624397af0a16eee930d0fb45a017de7c6a0b230be294da86aa713eda8d444a20a7cdbc121211a811a36b0c96de57ef857db15121

  • \Users\Admin\ghnrope.rue3

    MD5

    0862c2bc59577f5ba1732433ced4a248

    SHA1

    77ae6da5d0a01f95b97a8f809bbf5853aa1acb4b

    SHA256

    fce34f30cbed4604e97b3982edd693510467a2d61b70ee7b62ea8c777990ea6d

    SHA512

    8aaf0529d8cf73d229c841ca5f4b7391cfb096a2de3507dd25ba170688c0495caa6f86bee4cf140dcf66734b6077d7adf1609a1a13407ce33c6ec768662cd0c4

  • \Users\Admin\ghnrope.rue3

    MD5

    62e816ec26ce2332fc8ed5a7dcf7e5c7

    SHA1

    e7c09a444aeb59df34a0eaa3e3bdf3921a697f53

    SHA256

    ca88e29eb97223c8f4b05589d854b942728181779e16c483843a5d860371c386

    SHA512

    1a46e74f7356a7d320f320d5624397af0a16eee930d0fb45a017de7c6a0b230be294da86aa713eda8d444a20a7cdbc121211a811a36b0c96de57ef857db15121

  • \Users\Admin\ghnrope.rue3

    MD5

    62e816ec26ce2332fc8ed5a7dcf7e5c7

    SHA1

    e7c09a444aeb59df34a0eaa3e3bdf3921a697f53

    SHA256

    ca88e29eb97223c8f4b05589d854b942728181779e16c483843a5d860371c386

    SHA512

    1a46e74f7356a7d320f320d5624397af0a16eee930d0fb45a017de7c6a0b230be294da86aa713eda8d444a20a7cdbc121211a811a36b0c96de57ef857db15121

  • memory/496-186-0x0000000004C80000-0x0000000004CC2000-memory.dmp

    Filesize

    264KB

  • memory/496-187-0x0000000004D10000-0x0000000004D49000-memory.dmp

    Filesize

    228KB

  • memory/496-185-0x0000000002940000-0x00000000029EE000-memory.dmp

    Filesize

    696KB

  • memory/496-183-0x0000000000000000-mapping.dmp

  • memory/740-122-0x00007FF9B9EB0000-0x00007FF9BAF9E000-memory.dmp

    Filesize

    16.9MB

  • memory/740-118-0x00007FF999990000-0x00007FF9999A0000-memory.dmp

    Filesize

    64KB

  • memory/740-115-0x00007FF999990000-0x00007FF9999A0000-memory.dmp

    Filesize

    64KB

  • memory/740-116-0x00007FF999990000-0x00007FF9999A0000-memory.dmp

    Filesize

    64KB

  • memory/740-123-0x00007FF9B7FB0000-0x00007FF9B9EA5000-memory.dmp

    Filesize

    31.0MB

  • memory/740-114-0x00007FF70E060000-0x00007FF711616000-memory.dmp

    Filesize

    53.7MB

  • memory/740-121-0x00007FF999990000-0x00007FF9999A0000-memory.dmp

    Filesize

    64KB

  • memory/740-117-0x00007FF999990000-0x00007FF9999A0000-memory.dmp

    Filesize

    64KB

  • memory/968-181-0x0000000000000000-mapping.dmp

  • memory/2252-190-0x0000000000000000-mapping.dmp

  • memory/2816-189-0x0000000000000000-mapping.dmp

  • memory/3412-193-0x0000000000000000-mapping.dmp

  • memory/3424-188-0x0000000000000000-mapping.dmp

  • memory/3424-191-0x0000000002F40000-0x0000000002F79000-memory.dmp

    Filesize

    228KB

  • memory/3984-179-0x0000000000000000-mapping.dmp

  • memory/4064-180-0x0000000000000000-mapping.dmp