Analysis

  • max time kernel
    143s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2023 17:48

General

  • Target

    fc77868aae55037dccd9e6734c0bda1f.dll

  • Size

    820KB

  • MD5

    fc77868aae55037dccd9e6734c0bda1f

  • SHA1

    625c1d5de4fb7e5fae3440892e122685b004f88e

  • SHA256

    dbe3468fbf17c02a99b49ee5fca4837811e4bf8e2877374423c2d4512f060569

  • SHA512

    c494179fb0bd6cfc56e19795830c4ea1afdc1eda4c70ae0420c9e967a4d4c7425023efdb41d7e5bd8ac27b3ff0cb10e7212929d7d27794f2d0575316a9bea327

  • SSDEEP

    24576:nO6c3oCrVA7bEK7mJaW2eX8TvE81gIzsk6EzCUfk7Ou:duVeEK7mmeX8TBgIzsk6hUf4h

Malware Config

Extracted

Family

qakbot

Version

402.363

Botnet

obama112

Campaign

1633682302

C2

98.157.235.126:443

124.123.42.115:2222

185.250.148.74:443

73.77.87.137:443

188.50.169.158:443

216.201.162.158:443

174.54.193.186:443

27.223.92.142:995

220.255.25.28:2222

103.142.10.177:443

2.222.167.138:443

66.177.215.152:0

122.11.220.212:2222

85.109.229.54:995

140.82.49.12:443

199.27.127.129:443

209.50.20.255:443

73.230.205.91:443

200.232.214.222:995

81.241.252.59:2078

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
  • 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 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc77868aae55037dccd9e6734c0bda1f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2852
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc77868aae55037dccd9e6734c0bda1f.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2856
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2192
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn fgmpbbke /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\fc77868aae55037dccd9e6734c0bda1f.dll\"" /SC ONCE /Z /ST 06:49 /ET 07:01
          4⤵
          • Creates scheduled task(s)
          PID:2888
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {F81ACF88-994D-468E-A1AF-CABF332059A8} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1604
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\fc77868aae55037dccd9e6734c0bda1f.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2392
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\fc77868aae55037dccd9e6734c0bda1f.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2456
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious use of WriteProcessMemory
          PID:2816
  • 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\Ynntszayho" /d "0"
    1⤵
    • Windows security bypass
    PID:2492
  • 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\Oiqnuyinyi" /d "0"
    1⤵
    • Windows security bypass
    PID:1992

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\fc77868aae55037dccd9e6734c0bda1f.dll
    Filesize

    286KB

    MD5

    f66a662db37858b85d0ad354419d6b21

    SHA1

    15146136f0405261be59ccccde94bac62d6ec25c

    SHA256

    e3e0b6219f2df10264d26ced50d1df3b55bfc8d2a73eb2d6439a02214cbd3601

    SHA512

    83b098295a7a96698efb84f9c2adfde9424a7fae88517239feccafb51f54184c2db210844e1cb922c807bdc32514f1aeb80e57453f5d677fbedacb74070b2ef1

  • \Users\Admin\AppData\Local\Temp\fc77868aae55037dccd9e6734c0bda1f.dll
    Filesize

    233KB

    MD5

    dfd95e6ca036f49affef22e0242888db

    SHA1

    6a2a9b68fc6aa6e4896941fb522b578623df4071

    SHA256

    04fe155f5ba4d99cea69aff270cce01a3ea3b64761a3f51612fbe2a24ef6478d

    SHA512

    6e37509c5ec51f56ed0aa09f21d81d645f35dd7e180c0609a9e683bbd83b0411a512c5e55746ce8c38fbf9743febdee36e567bb73e422a75411449ffebe53788

  • memory/2192-15-0x0000000000080000-0x00000000000A1000-memory.dmp
    Filesize

    132KB

  • memory/2192-13-0x0000000000080000-0x00000000000A1000-memory.dmp
    Filesize

    132KB

  • memory/2192-5-0x00000000000F0000-0x00000000000F2000-memory.dmp
    Filesize

    8KB

  • memory/2192-8-0x0000000000080000-0x00000000000A1000-memory.dmp
    Filesize

    132KB

  • memory/2192-12-0x0000000000080000-0x00000000000A1000-memory.dmp
    Filesize

    132KB

  • memory/2192-11-0x0000000000080000-0x00000000000A1000-memory.dmp
    Filesize

    132KB

  • memory/2456-21-0x0000000073910000-0x0000000073A76000-memory.dmp
    Filesize

    1.4MB

  • memory/2456-20-0x0000000073910000-0x0000000073A76000-memory.dmp
    Filesize

    1.4MB

  • memory/2456-22-0x0000000073910000-0x0000000073A76000-memory.dmp
    Filesize

    1.4MB

  • memory/2456-26-0x0000000073910000-0x0000000073A76000-memory.dmp
    Filesize

    1.4MB

  • memory/2816-25-0x00000000000D0000-0x00000000000F1000-memory.dmp
    Filesize

    132KB

  • memory/2816-30-0x00000000000D0000-0x00000000000F1000-memory.dmp
    Filesize

    132KB

  • memory/2816-29-0x00000000000D0000-0x00000000000F1000-memory.dmp
    Filesize

    132KB

  • memory/2816-28-0x00000000000D0000-0x00000000000F1000-memory.dmp
    Filesize

    132KB

  • memory/2856-7-0x0000000074420000-0x0000000074586000-memory.dmp
    Filesize

    1.4MB

  • memory/2856-0-0x0000000074420000-0x0000000074586000-memory.dmp
    Filesize

    1.4MB

  • memory/2856-4-0x0000000000200000-0x0000000000201000-memory.dmp
    Filesize

    4KB

  • memory/2856-2-0x0000000074420000-0x0000000074586000-memory.dmp
    Filesize

    1.4MB

  • memory/2856-1-0x0000000074420000-0x0000000074586000-memory.dmp
    Filesize

    1.4MB