Analysis

  • max time kernel
    128s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    22-02-2021 17:04

General

  • Target

    7b338c9afc864fa9b2cda3591c494e9ac81d0a4e54161ffa966a10005c634528.dll

  • Size

    773KB

  • MD5

    900024080a53ea49f9f7cc6ef6a07d35

  • SHA1

    323e4422e4df9606ca977a858dcd567d6ebd900c

  • SHA256

    7b338c9afc864fa9b2cda3591c494e9ac81d0a4e54161ffa966a10005c634528

  • SHA512

    55798f81d85ed788f55de739053e17dbbb3d5c44b3561c5477f1bad28a87f1629e0df7b48c6a076940ef876f2869ea08786678c696a100bf1587727908ffa1f1

Malware Config

Extracted

Family

qakbot

Botnet

tr

Campaign

1612451251

C2

176.205.222.30:2078

213.60.147.140:443

45.118.216.157:443

83.110.103.152:443

108.46.145.30:443

81.150.181.168:2222

24.229.150.54:995

45.77.115.208:2222

154.125.120.87:995

50.29.166.232:995

193.252.48.200:443

67.8.103.21:443

1.32.35.2:443

85.132.36.111:2222

197.51.82.72:443

173.17.117.83:443

45.63.107.192:443

82.76.47.211:443

149.28.99.97:995

144.202.38.185:2222

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 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7b338c9afc864fa9b2cda3591c494e9ac81d0a4e54161ffa966a10005c634528.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\7b338c9afc864fa9b2cda3591c494e9ac81d0a4e54161ffa966a10005c634528.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1588
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1616
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn erxscnlne /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\7b338c9afc864fa9b2cda3591c494e9ac81d0a4e54161ffa966a10005c634528.dll\"" /SC ONCE /Z /ST 17:12 /ET 17:24
          4⤵
          • Creates scheduled task(s)
          PID:1660
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {C5DB33EE-7E1A-4FEC-B301-43F5E85CB54A} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:956
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\7b338c9afc864fa9b2cda3591c494e9ac81d0a4e54161ffa966a10005c634528.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:916
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\7b338c9afc864fa9b2cda3591c494e9ac81d0a4e54161ffa966a10005c634528.dll"
        3⤵
        • Loads dropped DLL
        PID:1076

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\7b338c9afc864fa9b2cda3591c494e9ac81d0a4e54161ffa966a10005c634528.dll
    MD5

    bc2392bccd6ca3bf066101fec0f0273d

    SHA1

    c38ccacccf7e00c8d305d0dada49c1b7eaa13f6d

    SHA256

    71328e11ca43c8b6674118e92cfb6e91e6cf44a6f405a6e2d174277e4e89ee8a

    SHA512

    69a90106061014ef1921f0694939a43a0af19a73f02aa3ad87c902966417c0e16f3c223659c8fc770d6e58174517956c2d49119131a5c079b68812e0a5271ee9

  • \Users\Admin\AppData\Local\Temp\7b338c9afc864fa9b2cda3591c494e9ac81d0a4e54161ffa966a10005c634528.dll
    MD5

    bc2392bccd6ca3bf066101fec0f0273d

    SHA1

    c38ccacccf7e00c8d305d0dada49c1b7eaa13f6d

    SHA256

    71328e11ca43c8b6674118e92cfb6e91e6cf44a6f405a6e2d174277e4e89ee8a

    SHA512

    69a90106061014ef1921f0694939a43a0af19a73f02aa3ad87c902966417c0e16f3c223659c8fc770d6e58174517956c2d49119131a5c079b68812e0a5271ee9

  • memory/916-13-0x0000000000000000-mapping.dmp
  • memory/1076-16-0x0000000000000000-mapping.dmp
  • memory/1588-3-0x0000000000000000-mapping.dmp
  • memory/1588-4-0x0000000075251000-0x0000000075253000-memory.dmp
    Filesize

    8KB

  • memory/1588-6-0x0000000000400000-0x00000000004CB000-memory.dmp
    Filesize

    812KB

  • memory/1588-5-0x0000000000130000-0x0000000000131000-memory.dmp
    Filesize

    4KB

  • memory/1616-9-0x00000000747B1000-0x00000000747B3000-memory.dmp
    Filesize

    8KB

  • memory/1616-12-0x00000000000F0000-0x0000000000125000-memory.dmp
    Filesize

    212KB

  • memory/1616-11-0x00000000000F0000-0x0000000000125000-memory.dmp
    Filesize

    212KB

  • memory/1616-7-0x0000000000000000-mapping.dmp
  • memory/1660-10-0x0000000000000000-mapping.dmp
  • memory/2044-2-0x000007FEFC011000-0x000007FEFC013000-memory.dmp
    Filesize

    8KB