Analysis

  • max time kernel
    128s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    05-05-2021 13:23

General

  • Target

    6d479eb76198ae12bd76ce4173cedc52.dll

  • Size

    461KB

  • MD5

    6d479eb76198ae12bd76ce4173cedc52

  • SHA1

    9524e0e5c16b282a0b8e6312173efe4838d0681d

  • SHA256

    023c1c23b7560d03076bec4c717a1cc690e3538541228de0adc40421493d974d

  • SHA512

    76f1e901e678565046f6034ea1845d4beaa701150dd346250374c6201c6d01f5584ba6f2e9f7a7d939cdec1308af2b669a9dd144658f5f7c18da96b403506c76

Malware Config

Extracted

Family

qakbot

Version

402.12

Botnet

tr

Campaign

1618935072

C2

140.82.49.12:443

190.85.91.154:443

96.37.113.36:993

71.41.184.10:3389

186.31.46.121:443

73.25.124.140:2222

109.12.111.14:443

24.229.150.54:995

45.32.211.207:443

45.77.117.108:443

45.77.117.108:8443

149.28.98.196:443

149.28.98.196:2222

144.202.38.185:443

144.202.38.185:995

45.32.211.207:995

207.246.116.237:995

149.28.99.97:995

45.63.107.192:2222

149.28.101.90:995

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 1 IoCs
  • Program crash 1 IoCs
  • 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 15 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\6d479eb76198ae12bd76ce4173cedc52.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1824
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6d479eb76198ae12bd76ce4173cedc52.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3532
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2160
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn tzvbjieymn /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\6d479eb76198ae12bd76ce4173cedc52.dll\"" /SC ONCE /Z /ST 13:21 /ET 13:33
          4⤵
          • Creates scheduled task(s)
          PID:2348
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\6d479eb76198ae12bd76ce4173cedc52.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\6d479eb76198ae12bd76ce4173cedc52.dll"
      2⤵
      • Loads dropped DLL
      PID:2124
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3888

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\6d479eb76198ae12bd76ce4173cedc52.dll

    MD5

    9aecb9c7386a446f7c0f156c45dd61bf

    SHA1

    b5588580f8e18dba7439caa2e7b36b72fa2e4b1b

    SHA256

    86350adf71c4d6887bac7641ff2b2dba9457110d46a857a20505f5d1f8b39adc

    SHA512

    01f9d817ed4d5abe1a0ca184203a7b6d2db1113395d8e61cb10ba5bbe9a0ee7aa5e9cf82e88ac106ead04d15b6c35de0fc1dcb475f72f73d735b38620e1a335b

  • \Users\Admin\AppData\Local\Temp\6d479eb76198ae12bd76ce4173cedc52.dll

    MD5

    9aecb9c7386a446f7c0f156c45dd61bf

    SHA1

    b5588580f8e18dba7439caa2e7b36b72fa2e4b1b

    SHA256

    86350adf71c4d6887bac7641ff2b2dba9457110d46a857a20505f5d1f8b39adc

    SHA512

    01f9d817ed4d5abe1a0ca184203a7b6d2db1113395d8e61cb10ba5bbe9a0ee7aa5e9cf82e88ac106ead04d15b6c35de0fc1dcb475f72f73d735b38620e1a335b

  • memory/2124-123-0x0000000000000000-mapping.dmp

  • memory/2160-117-0x0000000000000000-mapping.dmp

  • memory/2160-121-0x0000000000CF0000-0x0000000000D29000-memory.dmp

    Filesize

    228KB

  • memory/2348-118-0x0000000000000000-mapping.dmp

  • memory/3532-114-0x0000000000000000-mapping.dmp

  • memory/3532-115-0x00000000041D0000-0x0000000004243000-memory.dmp

    Filesize

    460KB

  • memory/3532-116-0x0000000010000000-0x0000000010079000-memory.dmp

    Filesize

    484KB