Analysis

  • max time kernel
    143s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    28-04-2021 23:28

General

  • Target

    file.dll

  • Size

    400KB

  • MD5

    73c10dda3c1b1149cdce526706c12932

  • SHA1

    ac4790250dc6cfdd100c37b792098311abd85a19

  • SHA256

    c11949eb8e35c5ce8ff7c8df890cd231c23ad378542953dd0ab251ffd281b0d3

  • SHA512

    6c236acfee1bc7ee945b83f69879d1caad810fab26f9e8d2a454677c2750a41d6b2a518e0768a66f850c2526890fcfe7a4d66a66511093e73571b0009b253d30

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:512
    • 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:784
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3920
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn qwezvzldya /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 01:21 /ET 01:33
          4⤵
          • Creates scheduled task(s)
          PID:3504
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3832
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Loads dropped DLL
      PID:4016
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4016 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3732

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

    7a5bef131b3b3b586e069112507dafe8

    SHA1

    127211539531683c3828d5bc1f11661fbb3c64d8

    SHA256

    cf361a4ecc9fb4c84dea4fb62ecacd3c3f736ddc7f4d9813f2df08f7366da49e

    SHA512

    b1eabbb067f4b28c7c8c402df4f160219b16c2757b998cbafeb9260d08f862c3f208baf44b1bd7837eee37a9cf298636747d577c852d41164dc111c306755bf6

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

    7a5bef131b3b3b586e069112507dafe8

    SHA1

    127211539531683c3828d5bc1f11661fbb3c64d8

    SHA256

    cf361a4ecc9fb4c84dea4fb62ecacd3c3f736ddc7f4d9813f2df08f7366da49e

    SHA512

    b1eabbb067f4b28c7c8c402df4f160219b16c2757b998cbafeb9260d08f862c3f208baf44b1bd7837eee37a9cf298636747d577c852d41164dc111c306755bf6

  • memory/784-114-0x0000000000000000-mapping.dmp
  • memory/784-115-0x00000000005E0000-0x0000000000646000-memory.dmp
    Filesize

    408KB

  • memory/784-116-0x0000000010000000-0x0000000010066000-memory.dmp
    Filesize

    408KB

  • memory/3504-119-0x0000000000000000-mapping.dmp
  • memory/3920-117-0x0000000000000000-mapping.dmp
  • memory/3920-118-0x0000000000800000-0x0000000000835000-memory.dmp
    Filesize

    212KB

  • memory/4016-123-0x0000000000000000-mapping.dmp