Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    28-04-2021 23:30

General

  • Target

    file.dll

  • Size

    400KB

  • MD5

    d74dfc1fb74fd3b8de29f0ed6afc05aa

  • SHA1

    a8a243bc25a545013e5fa12e05c8bbb9548e372c

  • SHA256

    cd6b124b7ce26ff65eebb0f8d5e6cfc016e4e0a623f3611493c298139d3183b6

  • SHA512

    94337941b5dcf800c399d12123fca81083d468f0fbc90bfb42db63359ffc2353c0841beb2a878902455dc29ee4bdcee74a9efa03c9a40044413060cb220e2baf

Malware Config

Extracted

Family

qakbot

Version

401.138

Botnet

biden02

Campaign

1614154620

C2

98.173.34.213:995

160.3.187.114:443

73.25.124.140:2222

24.50.118.93:443

82.127.125.209:990

83.110.109.106:2222

79.129.121.81:995

189.223.234.23:995

125.63.101.62:443

113.22.175.141:443

172.78.30.215:443

47.146.169.85:443

47.22.148.6:443

76.25.142.196:443

78.63.226.32:443

105.198.236.101:443

75.67.192.125:443

176.181.247.197:443

105.96.8.96:443

108.31.15.10:995

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:740
    • 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:1896
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3676
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ywdontho /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 03:23 /ET 03:35
          4⤵
          • Creates scheduled task(s)
          PID:2544
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Loads dropped DLL
      PID:2068
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2068 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2836

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

    6806aaadd7c8ef356060ca765b2cf7cf

    SHA1

    849b040b43802e2a860239f1daaf8566a843358c

    SHA256

    922519fb6cdb5aa7792ba91b9e99da97ceea7d722742d411a5ab2f38076f5a6f

    SHA512

    85bc32a4174d2dd3b1b69576086d6e0fb57ab6d610555f9012ff01df3321934a92302a4477003140f2ce373bc6f79807acdc5caa3fef264117586bc052c13d9f

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

    6806aaadd7c8ef356060ca765b2cf7cf

    SHA1

    849b040b43802e2a860239f1daaf8566a843358c

    SHA256

    922519fb6cdb5aa7792ba91b9e99da97ceea7d722742d411a5ab2f38076f5a6f

    SHA512

    85bc32a4174d2dd3b1b69576086d6e0fb57ab6d610555f9012ff01df3321934a92302a4477003140f2ce373bc6f79807acdc5caa3fef264117586bc052c13d9f

  • memory/1896-114-0x0000000000000000-mapping.dmp
  • memory/1896-116-0x0000000010000000-0x0000000010066000-memory.dmp
    Filesize

    408KB

  • memory/1896-115-0x0000000004070000-0x00000000040D6000-memory.dmp
    Filesize

    408KB

  • memory/2068-123-0x0000000000000000-mapping.dmp
  • memory/2544-118-0x0000000000000000-mapping.dmp
  • memory/3676-117-0x0000000000000000-mapping.dmp
  • memory/3676-121-0x0000000002990000-0x00000000029C5000-memory.dmp
    Filesize

    212KB