General

  • Target

    b5b4.exe

  • Size

    684KB

  • Sample

    191216-2se5jb3s4x

  • MD5

    d2399ff437e5106ea2af89a0125c6866

  • SHA1

    07977968e44bf117673443a6ebfaa5f69929a6df

  • SHA256

    b5b4b488a0a8f8ad6c5a738c2bc7dcbd7c198005d6adf2297b6f482b748440f6

  • SHA512

    f72eb5ecf5c7579351772c1105ffb276e7896b763b8fe3b06a0df80d891cc3b6b107646aebcb64cd758a2dd1b049afd0b6f06059291a6ecf69899205f7f90442

Malware Config

Extracted

Family

qakbot

Campaign

1576221125

C2

72.187.35.131:443

188.61.134.98:2222

47.153.115.154:995

75.130.117.134:443

174.131.181.120:995

24.32.119.146:443

184.101.230.153:443

70.124.29.226:443

47.227.198.155:443

12.176.32.146:443

172.89.144.89:995

66.214.75.176:443

99.228.5.106:443

98.237.120.65:995

206.51.202.106:50002

50.247.230.33:995

96.37.137.42:443

73.226.220.56:443

70.164.39.91:443

104.152.16.45:995

Targets

    • Target

      b5b4.exe

    • Size

      684KB

    • MD5

      d2399ff437e5106ea2af89a0125c6866

    • SHA1

      07977968e44bf117673443a6ebfaa5f69929a6df

    • SHA256

      b5b4b488a0a8f8ad6c5a738c2bc7dcbd7c198005d6adf2297b6f482b748440f6

    • SHA512

      f72eb5ecf5c7579351772c1105ffb276e7896b763b8fe3b06a0df80d891cc3b6b107646aebcb64cd758a2dd1b049afd0b6f06059291a6ecf69899205f7f90442

    • Qakbot/Qbot

      Qbot or Qakbot is a sophisticated worm with banking capabilities

    • Windows security bypass

    • Executes dropped EXE

    • Turn off Windows Defender SpyNet reporting

    • Loads dropped DLL

    • Windows security modification

    • Adds Run entry to start application

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Disabling Security Tools

2
T1089

Modify Registry

3
T1112

Discovery

Query Registry

3
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Peripheral Device Discovery

1
T1120

Tasks