Analysis

  • max time kernel
    129s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    24-02-2021 20:15

General

  • Target

    9c03fd876f1e5625e3dff0434d1185d624ab1203fa081c40ca2ebdb04aac27b5.dll

  • Size

    617KB

  • MD5

    5e3749f332a005fadc0667375f8c6d19

  • SHA1

    9271eb55dfe65239f20c6d6ac0f313a5f4fd54ff

  • SHA256

    9c03fd876f1e5625e3dff0434d1185d624ab1203fa081c40ca2ebdb04aac27b5

  • SHA512

    ffcd6a8ce211ffa5175e066657490649d585ca8ec7b0606d92a34041740ef3d48b262cda9f960e41e4ccd3b32a48d3fbbdd519c68365c9b6fc5e778e8c1c04ef

Malware Config

Extracted

Family

qakbot

Botnet

tr

Campaign

1612175155

C2

89.3.198.238:443

172.78.30.215:443

85.52.72.32:2222

76.110.113.71:995

106.51.52.111:443

75.67.192.125:443

172.115.177.204:2222

197.45.110.165:995

82.76.47.211:443

45.77.115.208:443

45.32.211.207:443

144.202.38.185:443

207.246.116.237:995

149.28.101.90:995

149.28.101.90:8443

207.246.116.237:8443

144.202.38.185:2222

45.32.211.207:8443

149.28.101.90:443

149.28.101.90:2222

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 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9c03fd876f1e5625e3dff0434d1185d624ab1203fa081c40ca2ebdb04aac27b5.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\9c03fd876f1e5625e3dff0434d1185d624ab1203fa081c40ca2ebdb04aac27b5.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1176
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1644
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn bjlpeqxz /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\9c03fd876f1e5625e3dff0434d1185d624ab1203fa081c40ca2ebdb04aac27b5.dll\"" /SC ONCE /Z /ST 20:14 /ET 20:26
          4⤵
          • Creates scheduled task(s)
          PID:792
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {75EC3533-B40A-404C-A782-C9AA24E866F1} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:524
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\9c03fd876f1e5625e3dff0434d1185d624ab1203fa081c40ca2ebdb04aac27b5.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:296
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\9c03fd876f1e5625e3dff0434d1185d624ab1203fa081c40ca2ebdb04aac27b5.dll"
        3⤵
        • Loads dropped DLL
        PID:1276

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\9c03fd876f1e5625e3dff0434d1185d624ab1203fa081c40ca2ebdb04aac27b5.dll
    MD5

    d48813a8c5758d4e5ed270919580ff2a

    SHA1

    552a2c79f109cedc9d3963217e327a4ab3ac141a

    SHA256

    7c9b82666e1db49005a121f6799be9cb072d5ebba2bfa44effd18e74815a50be

    SHA512

    8501171a69166b1d8b490a4e02efc8696d9dc8543f1e538280689820a38a272aebd1b0f0260fc29adfec5682ddba60ba38287d302d902d8f11d82bebcd754d53

  • \Users\Admin\AppData\Local\Temp\9c03fd876f1e5625e3dff0434d1185d624ab1203fa081c40ca2ebdb04aac27b5.dll
    MD5

    d48813a8c5758d4e5ed270919580ff2a

    SHA1

    552a2c79f109cedc9d3963217e327a4ab3ac141a

    SHA256

    7c9b82666e1db49005a121f6799be9cb072d5ebba2bfa44effd18e74815a50be

    SHA512

    8501171a69166b1d8b490a4e02efc8696d9dc8543f1e538280689820a38a272aebd1b0f0260fc29adfec5682ddba60ba38287d302d902d8f11d82bebcd754d53

  • memory/296-15-0x0000000000000000-mapping.dmp
  • memory/792-13-0x0000000000000000-mapping.dmp
  • memory/1176-6-0x0000000001E80000-0x0000000001F22000-memory.dmp
    Filesize

    648KB

  • memory/1176-7-0x0000000001FB0000-0x0000000001FE4000-memory.dmp
    Filesize

    208KB

  • memory/1176-8-0x0000000001E80000-0x0000000001EB5000-memory.dmp
    Filesize

    212KB

  • memory/1176-5-0x00000000007C0000-0x00000000007C1000-memory.dmp
    Filesize

    4KB

  • memory/1176-4-0x0000000075ED1000-0x0000000075ED3000-memory.dmp
    Filesize

    8KB

  • memory/1176-3-0x0000000000000000-mapping.dmp
  • memory/1276-18-0x0000000000000000-mapping.dmp
  • memory/1644-9-0x0000000000000000-mapping.dmp
  • memory/1644-11-0x0000000073181000-0x0000000073183000-memory.dmp
    Filesize

    8KB

  • memory/1644-12-0x0000000000080000-0x00000000000B5000-memory.dmp
    Filesize

    212KB

  • memory/1644-14-0x0000000000080000-0x00000000000B5000-memory.dmp
    Filesize

    212KB

  • memory/1968-2-0x000007FEFB831000-0x000007FEFB833000-memory.dmp
    Filesize

    8KB