Analysis

  • max time kernel
    131s
  • max time network
    14s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    05-05-2021 14:05

General

  • Target

    85a7c89fa008483f2b5dc446cf860819.dll

  • Size

    470KB

  • MD5

    85a7c89fa008483f2b5dc446cf860819

  • SHA1

    18545ca2a9e4be1526b2ca8fbaa398301fd6d40a

  • SHA256

    6a58d842dd9202b1dbb4636a80c030fd73afdbe14a9187acd6cbff4b61c8302f

  • SHA512

    38bec06ecdb3296c1b6166bc1104e3c1f8125dd74824766b2437abd83facc411d3efb324d80277963623f678db7bcb2b6fda44bfd124992241e23b9e85597ae9

Malware Config

Extracted

Family

qakbot

Version

402.12

Botnet

tr

Campaign

1618935072

C2

140.82.49.12:443

190.85.91.154:443

96.37.113.36:993

71.41.184.10:3389

186.31.46.121:443

73.25.124.140:2222

109.12.111.14:443

24.229.150.54:995

45.32.211.207:443

45.77.117.108:443

45.77.117.108:8443

149.28.98.196:443

149.28.98.196:2222

144.202.38.185:443

144.202.38.185:995

45.32.211.207:995

207.246.116.237:995

149.28.99.97:995

45.63.107.192:2222

149.28.101.90:995

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\85a7c89fa008483f2b5dc446cf860819.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:980
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\85a7c89fa008483f2b5dc446cf860819.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1836
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1776
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ofcydco /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\85a7c89fa008483f2b5dc446cf860819.dll\"" /SC ONCE /Z /ST 16:04 /ET 16:16
          4⤵
          • Creates scheduled task(s)
          PID:1224
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {CE7AA8E3-0119-473A-8ED0-5754BA4879C3} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:912
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\85a7c89fa008483f2b5dc446cf860819.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:340
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\85a7c89fa008483f2b5dc446cf860819.dll"
        3⤵
        • Loads dropped DLL
        PID:748

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\85a7c89fa008483f2b5dc446cf860819.dll
    MD5

    20a39cc325eddc8a27ae7f51171e395f

    SHA1

    45e1c300c09861e67a94d4a682743f21a75f5ef0

    SHA256

    0048fe0ac531af9e79a784aae3af9d84337a8dccd8d2ec2eb5f5b1070b7909fa

    SHA512

    28cf780fba11a5e29ba68030cb75797eb704c4511fd17cded38a972f86fd0149bdfe6e468a754aaee704172d66356ba854f32fa56d398cb08b31e1214b19fba8

  • \Users\Admin\AppData\Local\Temp\85a7c89fa008483f2b5dc446cf860819.dll
    MD5

    20a39cc325eddc8a27ae7f51171e395f

    SHA1

    45e1c300c09861e67a94d4a682743f21a75f5ef0

    SHA256

    0048fe0ac531af9e79a784aae3af9d84337a8dccd8d2ec2eb5f5b1070b7909fa

    SHA512

    28cf780fba11a5e29ba68030cb75797eb704c4511fd17cded38a972f86fd0149bdfe6e468a754aaee704172d66356ba854f32fa56d398cb08b31e1214b19fba8

  • memory/340-70-0x000007FEFBBB1000-0x000007FEFBBB3000-memory.dmp
    Filesize

    8KB

  • memory/340-69-0x0000000000000000-mapping.dmp
  • memory/748-72-0x0000000000000000-mapping.dmp
  • memory/1224-68-0x0000000000000000-mapping.dmp
  • memory/1776-67-0x0000000000080000-0x00000000000B9000-memory.dmp
    Filesize

    228KB

  • memory/1776-66-0x0000000074761000-0x0000000074763000-memory.dmp
    Filesize

    8KB

  • memory/1776-64-0x0000000000000000-mapping.dmp
  • memory/1836-60-0x0000000000000000-mapping.dmp
  • memory/1836-63-0x0000000010000000-0x0000000010079000-memory.dmp
    Filesize

    484KB

  • memory/1836-62-0x00000000001F0000-0x0000000000263000-memory.dmp
    Filesize

    460KB

  • memory/1836-61-0x0000000075FF1000-0x0000000075FF3000-memory.dmp
    Filesize

    8KB