Analysis

  • max time kernel
    148s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    28-04-2021 23:32

General

  • Target

    file.dll

  • Size

    400KB

  • MD5

    b52e317dc9467629f72a160e1249864f

  • SHA1

    85876f95f93af912ade1d6fb5d8919c4fd2d6d4e

  • SHA256

    de51f5df988dc2388bdc025f0b4b794418fbbca88a3b13258469ca6728d7d9d3

  • SHA512

    5943e677d36cc9a154f3f37e5fed23a278d7071f7c6e556a195826bfd9265a02f4e8439f17721c9d4edff8650d998f27889dd0cab2c8f2cefd21a6197d180a46

Malware Config

Extracted

Family

qakbot

Version

401.138

Botnet

biden02

Campaign

1614154620

C2

98.173.34.213:995

160.3.187.114:443

73.25.124.140:2222

24.50.118.93:443

82.127.125.209:990

83.110.109.106:2222

79.129.121.81:995

189.223.234.23:995

125.63.101.62:443

113.22.175.141:443

172.78.30.215:443

47.146.169.85:443

47.22.148.6:443

76.25.142.196:443

78.63.226.32:443

105.198.236.101:443

75.67.192.125:443

176.181.247.197:443

105.96.8.96:443

108.31.15.10:995

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 1 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • 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 18 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\file.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4660
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\file.dll
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4992
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3476
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn sxjxdloiz /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 03:25 /ET 03:37
          4⤵
          • Creates scheduled task(s)
          PID:4196
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:580
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Loads dropped DLL
      PID:668
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 668 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:392

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\file.dll
    MD5

    066364d38820f64708cd8f1742f383a8

    SHA1

    0cfd53e1da7b55654c2c29b6bd134e0482e21522

    SHA256

    0ee499057898972de95a2690e592cfab4fbca3bbe173a832b77773e55c0d6482

    SHA512

    4fce59aa844579fe5e1bbefd4ef98eaccfc0c0c6bce9d7d930c9e6ca6627e8a61e8531123084c4ec4605f48ea9c4d06b66e5f70a98d870997c7f27d01642cb6c

  • \Users\Admin\AppData\Local\Temp\file.dll
    MD5

    066364d38820f64708cd8f1742f383a8

    SHA1

    0cfd53e1da7b55654c2c29b6bd134e0482e21522

    SHA256

    0ee499057898972de95a2690e592cfab4fbca3bbe173a832b77773e55c0d6482

    SHA512

    4fce59aa844579fe5e1bbefd4ef98eaccfc0c0c6bce9d7d930c9e6ca6627e8a61e8531123084c4ec4605f48ea9c4d06b66e5f70a98d870997c7f27d01642cb6c

  • memory/668-123-0x0000000000000000-mapping.dmp
  • memory/3476-117-0x0000000000000000-mapping.dmp
  • memory/3476-121-0x00000000034E0000-0x0000000003515000-memory.dmp
    Filesize

    212KB

  • memory/4196-118-0x0000000000000000-mapping.dmp
  • memory/4992-114-0x0000000000000000-mapping.dmp
  • memory/4992-116-0x0000000010000000-0x0000000010066000-memory.dmp
    Filesize

    408KB

  • memory/4992-115-0x0000000002F80000-0x0000000002FE6000-memory.dmp
    Filesize

    408KB