Analysis

  • max time kernel
    139s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    28-04-2021 23:30

General

  • Target

    file.dll

  • Size

    400KB

  • MD5

    2085f4bdcee48c359ba73847eba0c3a9

  • SHA1

    6360c397629ec58a52e252cedbca537a0089f0c7

  • SHA256

    cc85002c01cb2387b749cca5d388307072223e08bb366b6b0e6d2715a15e51d4

  • SHA512

    d9825debb25305f2d4b1bb1b8be68f3c3f6b3dc5e807b33d63380020ddb97c9395aa43e116369165b06230910384c90bafcbffa333ab72014be661f686eb7729

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:1736
    • 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:4036
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2756
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn lbmedqnxpo /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 01:22 /ET 01:34
          4⤵
          • Creates scheduled task(s)
          PID:3340
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1332
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Loads dropped DLL
      PID:804
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 804 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3912

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

    8a52483bcfcb9a9caf82cb3cf1e0a143

    SHA1

    9e27ac908baff2303602e83508f721c620f5fede

    SHA256

    bf181e01347c43e181edd14947cc215fff7991f5eba04cfbb5699852016b36dc

    SHA512

    ffc409458e5945a5bd1a206b0c4148c069794f27c5e36ad85d360848af38102df8e444feaf637713b4f2d9e7b859786fb66d962e79b098907a47f3eb3740413a

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

    8a52483bcfcb9a9caf82cb3cf1e0a143

    SHA1

    9e27ac908baff2303602e83508f721c620f5fede

    SHA256

    bf181e01347c43e181edd14947cc215fff7991f5eba04cfbb5699852016b36dc

    SHA512

    ffc409458e5945a5bd1a206b0c4148c069794f27c5e36ad85d360848af38102df8e444feaf637713b4f2d9e7b859786fb66d962e79b098907a47f3eb3740413a

  • memory/804-123-0x0000000000000000-mapping.dmp
  • memory/2756-117-0x0000000000000000-mapping.dmp
  • memory/2756-121-0x00000000008B0000-0x00000000008E5000-memory.dmp
    Filesize

    212KB

  • memory/3340-118-0x0000000000000000-mapping.dmp
  • memory/4036-114-0x0000000000000000-mapping.dmp
  • memory/4036-115-0x0000000000EB0000-0x0000000000F16000-memory.dmp
    Filesize

    408KB

  • memory/4036-116-0x0000000010000000-0x0000000010066000-memory.dmp
    Filesize

    408KB