Analysis

  • max time kernel
    600s
  • max time network
    601s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    18-08-2022 14:05

General

  • Target

    01970422_890527.lnk

  • Size

    1KB

  • MD5

    76390978f26d3c6d7f799257542796ce

  • SHA1

    4d3efb8f9db9519160fe13f79ef5be1c041eed0e

  • SHA256

    03160be7cb698e1684f47071cb441ff181ff299cb38429636d11542ba8d306ae

  • SHA512

    8c6243c7a93974dbf1a6878fbb2ad89861a4b960fb5262ba6c0e6274f78fcf93c90e80d1f007b9a6e3deafd53969fffb8f2e66adfd0e10c19fe7f65e4c597779

Malware Config

Extracted

Family

qakbot

Version

403.694

Botnet

obama186

Campaign

1654596660

C2

67.165.206.193:993

63.143.92.99:995

74.14.5.179:2222

182.191.92.203:995

197.89.8.51:443

89.101.97.139:443

86.97.9.190:443

124.40.244.115:2222

80.11.74.81:2222

41.215.153.104:995

179.100.20.32:32101

31.35.28.29:443

202.134.152.2:2222

109.12.111.14:443

93.48.80.198:995

120.150.218.241:995

41.38.167.179:995

177.94.57.126:32101

173.174.216.62:443

1.161.101.20:443

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Windows security bypass 2 TTPs 4 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies data under HKEY_USERS 36 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\01970422_890527.lnk
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" 019338921.dll,DllInstall
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1868
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" 019338921.dll,DllInstall
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1488
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1456
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn aqnrzjefxb /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\019338921.dll\"" /SC ONCE /Z /ST 16:10 /ET 16:22
            5⤵
            • Creates scheduled task(s)
            PID:572
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {190C66A0-FB44-444B-878C-1F0574B5D3D4} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\019338921.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1104
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\019338921.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1396
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          • Suspicious use of WriteProcessMemory
          PID:1500
          • C:\Windows\system32\reg.exe
            C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\ProgramData\Microsoft\Ykdlydtcqpai" /d "0"
            5⤵
            • Windows security bypass
            PID:976
          • C:\Windows\system32\reg.exe
            C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\Users\Admin\AppData\Roaming\Microsoft\Lqujhkuaxe" /d "0"
            5⤵
            • Windows security bypass
            PID:1936

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\019338921.dll
    Filesize

    1.4MB

    MD5

    7bbeafc1ab9f9d1a48a99338ffec561c

    SHA1

    a4ce6de223addbdc66e747d3abd00b9f190fb5cb

    SHA256

    fca807ab91e7328195cafebe5761402f4d7066aef4c766c78a37f2c27fcf812c

    SHA512

    a32b34d9c03b6a1eaa1d409968d6d211a22320cc8b46955f8cda156f4956ea4a3d2e6d0a5fd8578e274e67db36e2696a7e8722647313333d3b7825d3e3a2c263

  • \Users\Admin\AppData\Local\Temp\019338921.dll
    Filesize

    1.4MB

    MD5

    7bbeafc1ab9f9d1a48a99338ffec561c

    SHA1

    a4ce6de223addbdc66e747d3abd00b9f190fb5cb

    SHA256

    fca807ab91e7328195cafebe5761402f4d7066aef4c766c78a37f2c27fcf812c

    SHA512

    a32b34d9c03b6a1eaa1d409968d6d211a22320cc8b46955f8cda156f4956ea4a3d2e6d0a5fd8578e274e67db36e2696a7e8722647313333d3b7825d3e3a2c263

  • memory/572-105-0x0000000000000000-mapping.dmp
  • memory/976-124-0x0000000000000000-mapping.dmp
  • memory/1104-107-0x0000000000000000-mapping.dmp
  • memory/1396-117-0x0000000000480000-0x00000000004AD000-memory.dmp
    Filesize

    180KB

  • memory/1396-110-0x0000000000000000-mapping.dmp
  • memory/1396-122-0x00000000006F0000-0x0000000000712000-memory.dmp
    Filesize

    136KB

  • memory/1396-118-0x00000000006F0000-0x0000000000712000-memory.dmp
    Filesize

    136KB

  • memory/1396-115-0x00000000006F0000-0x0000000000712000-memory.dmp
    Filesize

    136KB

  • memory/1396-116-0x00000000006F0000-0x0000000000712000-memory.dmp
    Filesize

    136KB

  • memory/1396-114-0x00000000006F0000-0x0000000000712000-memory.dmp
    Filesize

    136KB

  • memory/1396-113-0x0000000000B30000-0x0000000000C95000-memory.dmp
    Filesize

    1.4MB

  • memory/1456-100-0x0000000000000000-mapping.dmp
  • memory/1456-102-0x0000000074801000-0x0000000074803000-memory.dmp
    Filesize

    8KB

  • memory/1456-104-0x0000000000080000-0x00000000000A2000-memory.dmp
    Filesize

    136KB

  • memory/1456-106-0x0000000000080000-0x00000000000A2000-memory.dmp
    Filesize

    136KB

  • memory/1488-103-0x0000000000BD0000-0x0000000000BF2000-memory.dmp
    Filesize

    136KB

  • memory/1488-96-0x0000000000BD0000-0x0000000000BF2000-memory.dmp
    Filesize

    136KB

  • memory/1488-92-0x0000000000000000-mapping.dmp
  • memory/1488-94-0x00000000003B0000-0x0000000000515000-memory.dmp
    Filesize

    1.4MB

  • memory/1488-95-0x0000000000BD0000-0x0000000000BF2000-memory.dmp
    Filesize

    136KB

  • memory/1488-97-0x0000000000BD0000-0x0000000000BF2000-memory.dmp
    Filesize

    136KB

  • memory/1488-99-0x0000000000BD0000-0x0000000000BF2000-memory.dmp
    Filesize

    136KB

  • memory/1488-93-0x0000000075FB1000-0x0000000075FB3000-memory.dmp
    Filesize

    8KB

  • memory/1488-98-0x00000000006B0000-0x00000000006DD000-memory.dmp
    Filesize

    180KB

  • memory/1500-119-0x0000000000000000-mapping.dmp
  • memory/1500-123-0x00000000000C0000-0x00000000000E2000-memory.dmp
    Filesize

    136KB

  • memory/1500-126-0x00000000000C0000-0x00000000000E2000-memory.dmp
    Filesize

    136KB

  • memory/1660-54-0x000007FEFBCE1000-0x000007FEFBCE3000-memory.dmp
    Filesize

    8KB

  • memory/1868-88-0x0000000000000000-mapping.dmp
  • memory/1936-125-0x0000000000000000-mapping.dmp