Analysis

  • max time kernel
    113s
  • max time network
    37s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    17-06-2021 17:57

General

  • Target

    44364.709274537.dat =^_^=.dll

  • Size

    719KB

  • MD5

    be2f7d2ac96d27dc79e617bd2bd06b15

  • SHA1

    de366e1375005d1cd2c56d84792786b57e49c55c

  • SHA256

    1dfa043bed7c84dbdc696593adfa332a577c0a55c408a2595b72396d4414fa74

  • SHA512

    c761bcf4efb4d7ce3ea06ad47c94d6f80cbf30f6dd841e78f955144fea5967d1d941ade595ec46c3c66530a7dceade311cc132084726a8962e5e04b4e5123028

Malware Config

Extracted

Family

qakbot

Version

402.115

Botnet

clinton35

Campaign

1623917674

C2

86.220.60.247:2222

24.179.77.236:443

68.186.192.69:443

197.45.110.165:995

96.253.46.210:443

186.144.33.73:443

175.136.38.142:443

47.22.148.6:443

76.25.142.196:443

45.32.211.207:443

207.246.116.237:8443

45.77.115.208:443

45.77.115.208:995

149.28.101.90:2222

207.246.116.237:443

144.202.38.185:2222

149.28.101.90:995

207.246.77.75:443

207.246.77.75:995

207.246.77.75:2222

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 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\44364.709274537.dat =^_^=.dll",#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:368
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Local\Temp\44364.709274537.dat =^_^=.dll",#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1520
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1368
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn bqhcfzvcya /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\44364.709274537.dat =^_^=.dll\"" /SC ONCE /Z /ST 20:04 /ET 20:16
          4⤵
          • Creates scheduled task(s)
          PID:688
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {DC187392-AA00-4F91-A278-9309712B4146} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\44364.709274537.dat =^_^=.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:288
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\44364.709274537.dat =^_^=.dll"
        3⤵
        • Loads dropped DLL
        PID:1756

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\44364.709274537.dat =^_^=.dll
    MD5

    39705fe70db2ab020c224eee8fc2ab94

    SHA1

    33f825b05fca080fc7b49153efd115eb27bbaa30

    SHA256

    4d95949b75453323f5c9ab9162c398a384859177bf964708e4ab0c937ad77702

    SHA512

    ccbb5c04e3444c8b479f0dee1a9fedd087251ab83b2563882b025e9b0c0575c3054279e54e533582f929f371825c756c70aa7a72d449cc54dd13158cf95895ce

  • \Users\Admin\AppData\Local\Temp\44364.709274537.dat =^_^=.dll
    MD5

    39705fe70db2ab020c224eee8fc2ab94

    SHA1

    33f825b05fca080fc7b49153efd115eb27bbaa30

    SHA256

    4d95949b75453323f5c9ab9162c398a384859177bf964708e4ab0c937ad77702

    SHA512

    ccbb5c04e3444c8b479f0dee1a9fedd087251ab83b2563882b025e9b0c0575c3054279e54e533582f929f371825c756c70aa7a72d449cc54dd13158cf95895ce

  • memory/288-70-0x000007FEFB9F1000-0x000007FEFB9F3000-memory.dmp
    Filesize

    8KB

  • memory/288-69-0x0000000000000000-mapping.dmp
  • memory/688-67-0x0000000000000000-mapping.dmp
  • memory/1368-66-0x00000000745F1000-0x00000000745F3000-memory.dmp
    Filesize

    8KB

  • memory/1368-64-0x0000000000000000-mapping.dmp
  • memory/1368-68-0x0000000000120000-0x000000000014F000-memory.dmp
    Filesize

    188KB

  • memory/1520-59-0x0000000000000000-mapping.dmp
  • memory/1520-63-0x0000000000170000-0x0000000000171000-memory.dmp
    Filesize

    4KB

  • memory/1520-61-0x0000000074860000-0x000000007488F000-memory.dmp
    Filesize

    188KB

  • memory/1520-62-0x0000000074860000-0x000000007492E000-memory.dmp
    Filesize

    824KB

  • memory/1520-60-0x0000000075C71000-0x0000000075C73000-memory.dmp
    Filesize

    8KB

  • memory/1756-72-0x0000000000000000-mapping.dmp