Analysis

  • max time kernel
    140s
  • max time network
    12s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    21-04-2021 01:46

General

  • Target

    3ce7b35f6292906569d05b5f38edadfc57286f63f7392c4e88199d6dade025d2.dll

  • Size

    630KB

  • MD5

    fc4a1ad98fcfddff663274078f5d16da

  • SHA1

    251a85c6c20e82f8e30e63fe2034134759709b29

  • SHA256

    3ce7b35f6292906569d05b5f38edadfc57286f63f7392c4e88199d6dade025d2

  • SHA512

    1ec46fb7d5971d2fb0e04b09d9b7a9980bf07d890c752ec0cc3462fd5c27e3350ab02bf833ee170327db06af33174a4dacbcf34ace8b550f40005df01f029d58

Malware Config

Extracted

Family

qakbot

Botnet

obama30

Campaign

1618843418

C2

83.110.109.164:2222

75.67.192.125:443

189.210.115.207:443

47.196.192.184:443

72.252.201.69:443

151.205.102.42:443

81.97.154.100:443

24.117.107.120:443

140.82.49.12:443

78.63.226.32:443

72.240.200.181:2222

75.137.47.174:443

71.41.184.10:3389

73.25.124.140:2222

149.28.101.90:8443

149.28.101.90:2222

45.77.115.208:995

45.77.115.208:8443

207.246.77.75:8443

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\3ce7b35f6292906569d05b5f38edadfc57286f63f7392c4e88199d6dade025d2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ce7b35f6292906569d05b5f38edadfc57286f63f7392c4e88199d6dade025d2.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2044
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1672
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn xjnftesjf /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\3ce7b35f6292906569d05b5f38edadfc57286f63f7392c4e88199d6dade025d2.dll\"" /SC ONCE /Z /ST 03:45 /ET 03:57
          4⤵
          • Creates scheduled task(s)
          PID:268
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {E3BD5AA5-401D-4014-8C08-239F4EF27D08} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\3ce7b35f6292906569d05b5f38edadfc57286f63f7392c4e88199d6dade025d2.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:304
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\3ce7b35f6292906569d05b5f38edadfc57286f63f7392c4e88199d6dade025d2.dll"
        3⤵
        • Loads dropped DLL
        PID:764

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\3ce7b35f6292906569d05b5f38edadfc57286f63f7392c4e88199d6dade025d2.dll
    MD5

    597f954c77e5aa5842be12cb51259e87

    SHA1

    ad2e420013bb8b46c43770872b9a6733ceebe0cb

    SHA256

    255c624b80d71f370b9b47a5dc3f76a280f99aacf665577676632b080fc44358

    SHA512

    9b7f6610d7ae5b80a052dbfeb3aeea9356b2dc2304d61a61c7a39c71f53e4418da24c67ace90a02c01f7cba695d35b50f77915664502c3696310e5b63248fda4

  • \Users\Admin\AppData\Local\Temp\3ce7b35f6292906569d05b5f38edadfc57286f63f7392c4e88199d6dade025d2.dll
    MD5

    597f954c77e5aa5842be12cb51259e87

    SHA1

    ad2e420013bb8b46c43770872b9a6733ceebe0cb

    SHA256

    255c624b80d71f370b9b47a5dc3f76a280f99aacf665577676632b080fc44358

    SHA512

    9b7f6610d7ae5b80a052dbfeb3aeea9356b2dc2304d61a61c7a39c71f53e4418da24c67ace90a02c01f7cba695d35b50f77915664502c3696310e5b63248fda4

  • memory/268-69-0x0000000000000000-mapping.dmp
  • memory/304-71-0x000007FEFB6A1000-0x000007FEFB6A3000-memory.dmp
    Filesize

    8KB

  • memory/304-70-0x0000000000000000-mapping.dmp
  • memory/764-73-0x0000000000000000-mapping.dmp
  • memory/1672-67-0x00000000743A1000-0x00000000743A3000-memory.dmp
    Filesize

    8KB

  • memory/1672-68-0x0000000000080000-0x00000000000B9000-memory.dmp
    Filesize

    228KB

  • memory/1672-65-0x0000000000000000-mapping.dmp
  • memory/2044-60-0x0000000000000000-mapping.dmp
  • memory/2044-64-0x00000000003F0000-0x0000000000429000-memory.dmp
    Filesize

    228KB

  • memory/2044-63-0x0000000000140000-0x0000000000182000-memory.dmp
    Filesize

    264KB

  • memory/2044-62-0x0000000000500000-0x00000000005A2000-memory.dmp
    Filesize

    648KB

  • memory/2044-61-0x00000000754F1000-0x00000000754F3000-memory.dmp
    Filesize

    8KB