Analysis

  • max time kernel
    146s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    08-07-2022 08:02

General

  • Target

    3853ecea765896399a9d027ea130d192ac701dca471bbcc49852df657b87880c.dll

  • Size

    2.2MB

  • MD5

    3973ea97a417d8242bea2fb07a4fa339

  • SHA1

    23abd0eb76c00c4a1351891da6be0c0cd7bf3565

  • SHA256

    3853ecea765896399a9d027ea130d192ac701dca471bbcc49852df657b87880c

  • SHA512

    6c4f95dc9077a16b468c95eadc2c79b07e8fa18236fc743f879f322b8023ac29513fd8ecde744e0e4c0b82b6d10d464ce6652f987d5f00c81e18c0f2af51609d

Malware Config

Extracted

Family

qakbot

Version

401.157

Botnet

abc117

Campaign

1608747966

C2

67.6.54.180:443

187.250.170.34:995

67.141.11.98:443

109.154.79.222:2222

2.88.184.160:443

85.52.72.32:2222

86.98.21.234:443

73.166.10.38:50003

90.61.30.155:2222

71.182.142.63:443

178.223.22.192:995

184.189.122.72:443

181.39.236.199:443

72.240.200.181:2222

154.238.45.174:995

47.22.148.6:443

2.51.251.47:995

199.19.117.131:443

200.76.215.87:443

37.104.39.32:995

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3853ecea765896399a9d027ea130d192ac701dca471bbcc49852df657b87880c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1556
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3853ecea765896399a9d027ea130d192ac701dca471bbcc49852df657b87880c.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:904
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2036
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ubjgcpzyen /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\3853ecea765896399a9d027ea130d192ac701dca471bbcc49852df657b87880c.dll\"" /SC ONCE /Z /ST 16:44 /ET 16:56
          4⤵
          • Creates scheduled task(s)
          PID:1288
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {B1E81DE3-71D5-4ABD-B3F0-719D646765F3} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:528
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\3853ecea765896399a9d027ea130d192ac701dca471bbcc49852df657b87880c.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:596
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\3853ecea765896399a9d027ea130d192ac701dca471bbcc49852df657b87880c.dll"
        3⤵
        • Loads dropped DLL
        PID:328

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\3853ecea765896399a9d027ea130d192ac701dca471bbcc49852df657b87880c.dll
    Filesize

    2.2MB

    MD5

    debf1eaa35f291921449e63dc5314477

    SHA1

    6926c28e37989797b47208c84627bad184c3e0d2

    SHA256

    1e574dd2b272d7c544e0fe42d05f25c325a37f65126194a485cca75f4afac808

    SHA512

    58f404c7808fc8f184aab46026c8ed1bdebbbe0c67d8f937acf774c2a0d54cc39df068705466b6c52324e0a914812191c34e9ca37cdcd6628dd041758c564ffc

  • \Users\Admin\AppData\Local\Temp\3853ecea765896399a9d027ea130d192ac701dca471bbcc49852df657b87880c.dll
    Filesize

    2.2MB

    MD5

    debf1eaa35f291921449e63dc5314477

    SHA1

    6926c28e37989797b47208c84627bad184c3e0d2

    SHA256

    1e574dd2b272d7c544e0fe42d05f25c325a37f65126194a485cca75f4afac808

    SHA512

    58f404c7808fc8f184aab46026c8ed1bdebbbe0c67d8f937acf774c2a0d54cc39df068705466b6c52324e0a914812191c34e9ca37cdcd6628dd041758c564ffc

  • memory/328-68-0x0000000000000000-mapping.dmp
  • memory/596-65-0x0000000000000000-mapping.dmp
  • memory/596-66-0x000007FEFC1F1000-0x000007FEFC1F3000-memory.dmp
    Filesize

    8KB

  • memory/904-61-0x0000000010000000-0x0000000010034000-memory.dmp
    Filesize

    208KB

  • memory/904-54-0x0000000000000000-mapping.dmp
  • memory/904-57-0x0000000010000000-0x0000000010245000-memory.dmp
    Filesize

    2.3MB

  • memory/904-56-0x0000000001EB0000-0x000000000209A000-memory.dmp
    Filesize

    1.9MB

  • memory/904-55-0x00000000761F1000-0x00000000761F3000-memory.dmp
    Filesize

    8KB

  • memory/1288-63-0x0000000000000000-mapping.dmp
  • memory/2036-62-0x0000000000080000-0x00000000000B4000-memory.dmp
    Filesize

    208KB

  • memory/2036-64-0x0000000000080000-0x00000000000B4000-memory.dmp
    Filesize

    208KB

  • memory/2036-60-0x0000000074F21000-0x0000000074F23000-memory.dmp
    Filesize

    8KB

  • memory/2036-58-0x0000000000000000-mapping.dmp