Analysis

  • max time kernel
    150s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    11-07-2022 18:51

General

  • Target

    102755.dll

  • Size

    686KB

  • MD5

    fc8c24794594153cba5649a0a771ed43

  • SHA1

    f942a7ca8573747796a72a662347bb331e235d64

  • SHA256

    f2bac283141a715bc7e48600836aa4c41a940471dcc1811ba491653bcad46189

  • SHA512

    4bba6ffb6f2ae060b90ee074b884303fb9471d99daf95c1b1d098e2c18ccab24f79952048cdd12f3e836957e9d2e252d5bad1419763298a1fcf5f5f19fadca0d

Malware Config

Extracted

Family

qakbot

Version

403.780

Botnet

obama200

Campaign

1657548298

C2

172.115.177.204:2222

89.101.97.139:443

186.90.153.162:2222

38.70.253.226:2222

120.150.218.241:995

72.252.157.93:995

72.252.157.93:993

94.36.193.176:2222

47.23.89.60:993

89.211.209.234:2222

76.25.142.196:443

46.100.25.239:61202

24.158.23.166:995

69.14.172.24:443

92.132.132.81:2222

37.34.253.233:443

93.48.80.198:995

174.80.15.101:2083

24.178.196.158:2222

197.89.20.137:443

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\102755.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\102755.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:624
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1624
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /Z /ST 20:53 /tn cmgbsllmca /ET 21:04 /tr "powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAMQAwADIANwA1ADUALgBkAGwAbAAiAA==" /SC ONCE
          4⤵
          • Creates scheduled task(s)
          PID:1700
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {542F96AE-7B38-406B-A139-0F37BB0D9CEC} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1760
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAMQAwADIANwA1ADUALgBkAGwAbAAiAA==
      2⤵
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1792
      • C:\Windows\system32\regsvr32.exe
        "C:\Windows\system32\regsvr32.exe" C:\Users\Admin\AppData\Local\Temp\102755.dll
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1544
        • C:\Windows\SysWOW64\regsvr32.exe
          C:\Users\Admin\AppData\Local\Temp\102755.dll
          4⤵
          • Loads dropped DLL
          PID:1756

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\102755.dll
    Filesize

    686KB

    MD5

    fc8c24794594153cba5649a0a771ed43

    SHA1

    f942a7ca8573747796a72a662347bb331e235d64

    SHA256

    f2bac283141a715bc7e48600836aa4c41a940471dcc1811ba491653bcad46189

    SHA512

    4bba6ffb6f2ae060b90ee074b884303fb9471d99daf95c1b1d098e2c18ccab24f79952048cdd12f3e836957e9d2e252d5bad1419763298a1fcf5f5f19fadca0d

  • \Users\Admin\AppData\Local\Temp\102755.dll
    Filesize

    686KB

    MD5

    fc8c24794594153cba5649a0a771ed43

    SHA1

    f942a7ca8573747796a72a662347bb331e235d64

    SHA256

    f2bac283141a715bc7e48600836aa4c41a940471dcc1811ba491653bcad46189

    SHA512

    4bba6ffb6f2ae060b90ee074b884303fb9471d99daf95c1b1d098e2c18ccab24f79952048cdd12f3e836957e9d2e252d5bad1419763298a1fcf5f5f19fadca0d

  • memory/624-58-0x0000000000840000-0x0000000000862000-memory.dmp
    Filesize

    136KB

  • memory/624-56-0x0000000000790000-0x000000000083E000-memory.dmp
    Filesize

    696KB

  • memory/624-55-0x00000000769D1000-0x00000000769D3000-memory.dmp
    Filesize

    8KB

  • memory/624-59-0x0000000000840000-0x0000000000862000-memory.dmp
    Filesize

    136KB

  • memory/624-60-0x0000000000700000-0x000000000073F000-memory.dmp
    Filesize

    252KB

  • memory/624-61-0x0000000000840000-0x0000000000862000-memory.dmp
    Filesize

    136KB

  • memory/624-54-0x0000000000000000-mapping.dmp
  • memory/624-57-0x0000000000840000-0x0000000000862000-memory.dmp
    Filesize

    136KB

  • memory/624-65-0x0000000000840000-0x0000000000862000-memory.dmp
    Filesize

    136KB

  • memory/1544-75-0x0000000000000000-mapping.dmp
  • memory/1624-66-0x0000000000310000-0x0000000000332000-memory.dmp
    Filesize

    136KB

  • memory/1624-64-0x0000000074E61000-0x0000000074E63000-memory.dmp
    Filesize

    8KB

  • memory/1624-68-0x0000000000310000-0x0000000000332000-memory.dmp
    Filesize

    136KB

  • memory/1624-62-0x0000000000000000-mapping.dmp
  • memory/1700-67-0x0000000000000000-mapping.dmp
  • memory/1756-84-0x0000000000490000-0x00000000004B2000-memory.dmp
    Filesize

    136KB

  • memory/1756-85-0x0000000000490000-0x00000000004B2000-memory.dmp
    Filesize

    136KB

  • memory/1756-83-0x0000000000490000-0x00000000004B2000-memory.dmp
    Filesize

    136KB

  • memory/1756-87-0x0000000000490000-0x00000000004B2000-memory.dmp
    Filesize

    136KB

  • memory/1756-82-0x0000000000280000-0x000000000032E000-memory.dmp
    Filesize

    696KB

  • memory/1756-86-0x0000000000450000-0x000000000048F000-memory.dmp
    Filesize

    252KB

  • memory/1756-79-0x0000000000000000-mapping.dmp
  • memory/1792-69-0x0000000000000000-mapping.dmp
  • memory/1792-77-0x000000000121B000-0x000000000123A000-memory.dmp
    Filesize

    124KB

  • memory/1792-74-0x000000000121B000-0x000000000123A000-memory.dmp
    Filesize

    124KB

  • memory/1792-73-0x0000000001214000-0x0000000001217000-memory.dmp
    Filesize

    12KB

  • memory/1792-72-0x000007FEF3E10000-0x000007FEF496D000-memory.dmp
    Filesize

    11.4MB

  • memory/1792-71-0x000007FEF4970000-0x000007FEF5393000-memory.dmp
    Filesize

    10.1MB

  • memory/1792-70-0x000007FEFC331000-0x000007FEFC333000-memory.dmp
    Filesize

    8KB