Analysis

  • max time kernel
    145s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    30-09-2021 16:13

General

  • Target

    b008ec2be96eda36cbe241413ffcbc96.dll

  • Size

    599KB

  • MD5

    b008ec2be96eda36cbe241413ffcbc96

  • SHA1

    5bce500b0916f0d668ff8dca8564c9195361a48e

  • SHA256

    14da506c629f1046dcd6cd3f21080ae8886c15b5027a555c61219aec2911eca8

  • SHA512

    56ee477d0a107f93dc79b0779ee27a90a730bcc0c9859e2cc456b4663134f944c550c6bf0823ceea053b8f22e728cf68468de854bce683375dcd2ba4b71be6c0

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 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\b008ec2be96eda36cbe241413ffcbc96.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b008ec2be96eda36cbe241413ffcbc96.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:524
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1280
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn bdvlivju /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\b008ec2be96eda36cbe241413ffcbc96.dll\"" /SC ONCE /Z /ST 18:17 /ET 18:29
          4⤵
          • Creates scheduled task(s)
          PID:1132
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {22CEB971-BDFC-4D4C-B325-744D4431639F} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:840
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\b008ec2be96eda36cbe241413ffcbc96.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1016
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\b008ec2be96eda36cbe241413ffcbc96.dll"
        3⤵
        • Loads dropped DLL
        PID:700

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\b008ec2be96eda36cbe241413ffcbc96.dll
    MD5

    b008ec2be96eda36cbe241413ffcbc96

    SHA1

    5bce500b0916f0d668ff8dca8564c9195361a48e

    SHA256

    14da506c629f1046dcd6cd3f21080ae8886c15b5027a555c61219aec2911eca8

    SHA512

    56ee477d0a107f93dc79b0779ee27a90a730bcc0c9859e2cc456b4663134f944c550c6bf0823ceea053b8f22e728cf68468de854bce683375dcd2ba4b71be6c0

  • \Users\Admin\AppData\Local\Temp\b008ec2be96eda36cbe241413ffcbc96.dll
    MD5

    b008ec2be96eda36cbe241413ffcbc96

    SHA1

    5bce500b0916f0d668ff8dca8564c9195361a48e

    SHA256

    14da506c629f1046dcd6cd3f21080ae8886c15b5027a555c61219aec2911eca8

    SHA512

    56ee477d0a107f93dc79b0779ee27a90a730bcc0c9859e2cc456b4663134f944c550c6bf0823ceea053b8f22e728cf68468de854bce683375dcd2ba4b71be6c0

  • memory/524-59-0x0000000000000000-mapping.dmp
  • memory/524-60-0x0000000075D11000-0x0000000075D13000-memory.dmp
    Filesize

    8KB

  • memory/524-62-0x0000000075100000-0x00000000751A5000-memory.dmp
    Filesize

    660KB

  • memory/524-61-0x0000000075100000-0x0000000075121000-memory.dmp
    Filesize

    132KB

  • memory/524-63-0x00000000000B0000-0x00000000000B1000-memory.dmp
    Filesize

    4KB

  • memory/700-72-0x0000000000000000-mapping.dmp
  • memory/1016-69-0x0000000000000000-mapping.dmp
  • memory/1016-70-0x000007FEFC251000-0x000007FEFC253000-memory.dmp
    Filesize

    8KB

  • memory/1132-67-0x0000000000000000-mapping.dmp
  • memory/1280-68-0x0000000000080000-0x00000000000A1000-memory.dmp
    Filesize

    132KB

  • memory/1280-66-0x0000000074E91000-0x0000000074E93000-memory.dmp
    Filesize

    8KB

  • memory/1280-64-0x0000000000000000-mapping.dmp