Analysis

  • max time kernel
    125s
  • max time network
    87s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    30-09-2021 16:09

General

  • Target

    687550f98527483a1c49ab185a2105ea.dll

  • Size

    471KB

  • MD5

    687550f98527483a1c49ab185a2105ea

  • SHA1

    42d0db4cdc64e1fc2e57025f031f285cf0ba45a3

  • SHA256

    6f63742c25fd3a2dae5995f182254c253003066488ef86e754f661e8ba1d76fd

  • SHA512

    2b92d4cb037c0a6dd6855819d8e44ec036bc3fac71d7c2ee537bb6dfe907888b69b97958ebaa7b102e473f76ce6d1811ce090fb1e7ab38c18d2b1c6098403fc5

Malware Config

Extracted

Family

qakbot

Version

402.363

Botnet

tr

Campaign

1632817399

C2

105.198.236.99:443

140.82.49.12:443

37.210.152.224:995

89.101.97.139:443

81.241.252.59:2078

27.223.92.142:995

81.250.153.227:2222

73.151.236.31:443

47.22.148.6:443

122.11.220.212:2222

120.151.47.189:443

199.27.127.129:443

216.201.162.158:443

136.232.34.70:443

76.25.142.196:443

181.118.183.94:443

120.150.218.241:995

185.250.148.74:443

95.77.223.148:443

75.66.88.33:443

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 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\687550f98527483a1c49ab185a2105ea.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\687550f98527483a1c49ab185a2105ea.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:740
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4076
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn skhvjdtkx /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\687550f98527483a1c49ab185a2105ea.dll\"" /SC ONCE /Z /ST 18:12 /ET 18:24
          4⤵
          • Creates scheduled task(s)
          PID:632
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\687550f98527483a1c49ab185a2105ea.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3180
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\687550f98527483a1c49ab185a2105ea.dll"
      2⤵
      • Loads dropped DLL
      PID:784

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

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\687550f98527483a1c49ab185a2105ea.dll
    MD5

    687550f98527483a1c49ab185a2105ea

    SHA1

    42d0db4cdc64e1fc2e57025f031f285cf0ba45a3

    SHA256

    6f63742c25fd3a2dae5995f182254c253003066488ef86e754f661e8ba1d76fd

    SHA512

    2b92d4cb037c0a6dd6855819d8e44ec036bc3fac71d7c2ee537bb6dfe907888b69b97958ebaa7b102e473f76ce6d1811ce090fb1e7ab38c18d2b1c6098403fc5

  • \Users\Admin\AppData\Local\Temp\687550f98527483a1c49ab185a2105ea.dll
    MD5

    687550f98527483a1c49ab185a2105ea

    SHA1

    42d0db4cdc64e1fc2e57025f031f285cf0ba45a3

    SHA256

    6f63742c25fd3a2dae5995f182254c253003066488ef86e754f661e8ba1d76fd

    SHA512

    2b92d4cb037c0a6dd6855819d8e44ec036bc3fac71d7c2ee537bb6dfe907888b69b97958ebaa7b102e473f76ce6d1811ce090fb1e7ab38c18d2b1c6098403fc5

  • memory/632-119-0x0000000000000000-mapping.dmp
  • memory/740-114-0x0000000000000000-mapping.dmp
  • memory/740-115-0x0000000010000000-0x0000000010021000-memory.dmp
    Filesize

    132KB

  • memory/740-116-0x0000000010000000-0x0000000010081000-memory.dmp
    Filesize

    516KB

  • memory/740-117-0x00000000026E0000-0x000000000282A000-memory.dmp
    Filesize

    1.3MB

  • memory/784-124-0x0000000000000000-mapping.dmp
  • memory/4076-118-0x0000000000000000-mapping.dmp
  • memory/4076-122-0x0000000000860000-0x0000000000881000-memory.dmp
    Filesize

    132KB