Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    28-04-2021 23:29

General

  • Target

    file.dll

  • Size

    400KB

  • MD5

    9167c0fe984d8ac43e7ba4d8001112d9

  • SHA1

    1dfb79db8485cf77bdc34832e2fa370a9986c184

  • SHA256

    c6aab967bf49acd2b0529dd493abc4acb71fac78e4b408788f90dc1fbdac2a4f

  • SHA512

    0467ae3ed071b47321affe2a9a08ab2384f68bda4ea870b48a10471d35ccfb6dfb5b02c25492c31470e603c277efc8ad7119d803b0d2a7fd7c0ce4653b2b856c

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:648
    • 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:1528
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2372
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn rdpdondt /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 03:22 /ET 03:34
          4⤵
          • Creates scheduled task(s)
          PID:2956
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:772
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Loads dropped DLL
      PID:1012
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1012 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2872

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

    fa3ed090aa36a5a0663d3ce5c005f5b8

    SHA1

    cf728a4c3cef81e99f7105e41495e66f3fa9cc3e

    SHA256

    5dd52e533004409675749b9097bbde2b0223eb35f74371889c9467fbccd21964

    SHA512

    0992628d9499c8bd9d4f27b55e379941fd0513effdf92214876090e4fb55815a93f4dcc10dcc98ef3196ef421094c903c2845ce823d521654429f91704220890

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

    fa3ed090aa36a5a0663d3ce5c005f5b8

    SHA1

    cf728a4c3cef81e99f7105e41495e66f3fa9cc3e

    SHA256

    5dd52e533004409675749b9097bbde2b0223eb35f74371889c9467fbccd21964

    SHA512

    0992628d9499c8bd9d4f27b55e379941fd0513effdf92214876090e4fb55815a93f4dcc10dcc98ef3196ef421094c903c2845ce823d521654429f91704220890

  • memory/1012-123-0x0000000000000000-mapping.dmp
  • memory/1528-114-0x0000000000000000-mapping.dmp
  • memory/1528-115-0x0000000004B50000-0x0000000004BB6000-memory.dmp
    Filesize

    408KB

  • memory/1528-116-0x0000000010000000-0x0000000010066000-memory.dmp
    Filesize

    408KB

  • memory/2372-117-0x0000000000000000-mapping.dmp
  • memory/2372-118-0x0000000000D30000-0x0000000000D65000-memory.dmp
    Filesize

    212KB

  • memory/2956-119-0x0000000000000000-mapping.dmp