Analysis

  • max time kernel
    140s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    20-04-2021 19:06

General

  • Target

    0da597ffcb0f99350eb7af7a5e4eb19f.dll

  • Size

    630KB

  • MD5

    0da597ffcb0f99350eb7af7a5e4eb19f

  • SHA1

    505b49cf1d304aa9876fd4e1ece2257d1c7f6f53

  • SHA256

    b41523f982753bff920c9a7eed90c80e1bf5fc51e980d98bde9c439ddd2c82ce

  • SHA512

    f7c76e9e73d12bdf093256b91b990d11eb42a3baed3cf0806c839aa1d32fce24d2e1fbb5fa7e1a1e6b0d6583d43518da4dba2aca144babbaa026b63f3ff22c8b

Malware Config

Extracted

Family

qakbot

Botnet

biden31

Campaign

1618914389

C2

75.67.192.125:443

78.63.226.32:443

95.77.223.148:443

83.110.109.164:2222

140.82.49.12:443

71.41.184.10:3389

73.25.124.140:2222

105.198.236.101:443

45.32.211.207:995

207.246.116.237:995

45.77.117.108:8443

45.63.107.192:2222

149.28.101.90:995

45.77.115.208:2222

45.77.115.208:443

45.32.211.207:8443

45.32.211.207:2222

207.246.116.237:443

45.77.117.108:2222

149.28.98.196:995

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\0da597ffcb0f99350eb7af7a5e4eb19f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0da597ffcb0f99350eb7af7a5e4eb19f.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1900
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1540
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn bsmnjxuk /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\0da597ffcb0f99350eb7af7a5e4eb19f.dll\"" /SC ONCE /Z /ST 19:12 /ET 19:24
          4⤵
          • Creates scheduled task(s)
          PID:1640
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {95D50156-AB87-4F50-8E3E-D42BF749F895} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1116
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\0da597ffcb0f99350eb7af7a5e4eb19f.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1196
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\0da597ffcb0f99350eb7af7a5e4eb19f.dll"
        3⤵
        • Loads dropped DLL
        PID:316

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\0da597ffcb0f99350eb7af7a5e4eb19f.dll
    MD5

    597f954c77e5aa5842be12cb51259e87

    SHA1

    ad2e420013bb8b46c43770872b9a6733ceebe0cb

    SHA256

    255c624b80d71f370b9b47a5dc3f76a280f99aacf665577676632b080fc44358

    SHA512

    9b7f6610d7ae5b80a052dbfeb3aeea9356b2dc2304d61a61c7a39c71f53e4418da24c67ace90a02c01f7cba695d35b50f77915664502c3696310e5b63248fda4

  • \Users\Admin\AppData\Local\Temp\0da597ffcb0f99350eb7af7a5e4eb19f.dll
    MD5

    597f954c77e5aa5842be12cb51259e87

    SHA1

    ad2e420013bb8b46c43770872b9a6733ceebe0cb

    SHA256

    255c624b80d71f370b9b47a5dc3f76a280f99aacf665577676632b080fc44358

    SHA512

    9b7f6610d7ae5b80a052dbfeb3aeea9356b2dc2304d61a61c7a39c71f53e4418da24c67ace90a02c01f7cba695d35b50f77915664502c3696310e5b63248fda4

  • memory/316-73-0x0000000000000000-mapping.dmp
  • memory/1196-70-0x0000000000000000-mapping.dmp
  • memory/1196-71-0x000007FEFBBF1000-0x000007FEFBBF3000-memory.dmp
    Filesize

    8KB

  • memory/1540-67-0x00000000749B1000-0x00000000749B3000-memory.dmp
    Filesize

    8KB

  • memory/1540-69-0x0000000000080000-0x00000000000B9000-memory.dmp
    Filesize

    228KB

  • memory/1540-65-0x0000000000000000-mapping.dmp
  • memory/1640-68-0x0000000000000000-mapping.dmp
  • memory/1900-60-0x0000000000000000-mapping.dmp
  • memory/1900-64-0x00000000003E0000-0x0000000000419000-memory.dmp
    Filesize

    228KB

  • memory/1900-63-0x00000000001A0000-0x00000000001E2000-memory.dmp
    Filesize

    264KB

  • memory/1900-62-0x0000000000250000-0x00000000002F2000-memory.dmp
    Filesize

    648KB

  • memory/1900-61-0x00000000753B1000-0x00000000753B3000-memory.dmp
    Filesize

    8KB