Analysis

  • max time kernel
    112s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    28-04-2021 23:37

General

  • Target

    file.dll

  • Size

    400KB

  • MD5

    25c903dd35060b3c7ae995aacfce06b9

  • SHA1

    550fde92cd2e44877e987c60c87e0c581ad1a275

  • SHA256

    e00742a9cf278f9062973151b307f0b854f75a76611b71102533739defe327fd

  • SHA512

    27d5572e78329ceac33c53a9dd17cb94c1243dd80d8a2f32a3da76e7520cbd88244ddb59c42e056349f0d107140c3823c76b6fa8a05e3df1b466ff498615e35c

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 17 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:808
    • 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:1280
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:200
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ovagaza /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 03:25 /ET 03:37
          4⤵
          • Creates scheduled task(s)
          PID:3692
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3908
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Loads dropped DLL
      PID:740
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1308

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

    5e8a7fcfcc20bcd482dce552088fe1e2

    SHA1

    3dbd7bc736567ee129c74afa94110810dc1c8af1

    SHA256

    cc07fbcd25aff9669d19701ad91e072185cbb0bbe5be40651708226da27346d4

    SHA512

    2750672580dba933966e8cea94f44f5dca2ef8c8ac9f163a733f34a8c8c95ab661f59b09cb9d29abb9fce7ddfa7e6404d437f6c33bf360c29d3c36365f5b911c

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

    5e8a7fcfcc20bcd482dce552088fe1e2

    SHA1

    3dbd7bc736567ee129c74afa94110810dc1c8af1

    SHA256

    cc07fbcd25aff9669d19701ad91e072185cbb0bbe5be40651708226da27346d4

    SHA512

    2750672580dba933966e8cea94f44f5dca2ef8c8ac9f163a733f34a8c8c95ab661f59b09cb9d29abb9fce7ddfa7e6404d437f6c33bf360c29d3c36365f5b911c

  • memory/200-117-0x0000000000000000-mapping.dmp
  • memory/200-118-0x0000000000820000-0x0000000000855000-memory.dmp
    Filesize

    212KB

  • memory/740-123-0x0000000000000000-mapping.dmp
  • memory/1280-114-0x0000000000000000-mapping.dmp
  • memory/1280-115-0x0000000000540000-0x000000000068A000-memory.dmp
    Filesize

    1.3MB

  • memory/1280-116-0x0000000010000000-0x0000000010066000-memory.dmp
    Filesize

    408KB

  • memory/3692-119-0x0000000000000000-mapping.dmp