Analysis

  • max time kernel
    131s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    18-04-2021 16:28

General

  • Target

    dump2.dll

  • Size

    232KB

  • MD5

    b41c3d6737a3d7dda25818d8a089534c

  • SHA1

    9216c78c12c4ecc2d5069bd0d8355ff688736b97

  • SHA256

    2904cb2fc8d4fd434bb20b245cb86881215f29b4a044d806bf97614fc8e3737e

  • SHA512

    b157f206a186d14d36a3a4a44fedb935c5b0a3bbd7abcbcad707b29bc59f99c821cbaa9df9c284451e26da04ffbd5e6268d0e23ecd3a3c04b10ef6fdaafc795f

Malware Config

Extracted

Family

qakbot

Botnet

notset

Campaign

1618398961

C2

47.196.192.184:443

216.201.162.158:443

136.232.34.70:443

71.41.184.10:3389

140.82.49.12:443

45.63.107.192:2222

45.63.107.192:443

149.28.98.196:443

45.32.211.207:443

144.202.38.185:443

45.77.115.208:2222

45.77.115.208:8443

207.246.116.237:995

45.77.117.108:443

149.28.99.97:443

149.28.99.97:995

149.28.98.196:995

45.32.211.207:995

45.32.211.207:2222

149.28.98.196:2222

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 2 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 14 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dump2.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3892
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\dump2.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1052
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4052
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn rapmixl /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\dump2.dll\"" /SC ONCE /Z /ST 16:27 /ET 16:39
          4⤵
          • Creates scheduled task(s)
          PID:2940
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\dump2.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3776
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\dump2.dll"
      2⤵
      • Loads dropped DLL
      PID:3496

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\dump2.dll
    MD5

    51c02e0407951ebd681d885da57ac413

    SHA1

    250c068acd415468f54bcdfe751f1240ac83bbdb

    SHA256

    37b3910ab26a7a925a74bd2738ae3cc93d460179b5ee621a5ee188dda65f65dc

    SHA512

    3e7a4144ef6e02eda2d51eb18c511545046f4b52e49c61b40e6ceeea62614db84b0886675ac920eafb38b507eb2874453a1d8f4f91312375d48ac679db5e1bd1

  • \Users\Admin\AppData\Local\Temp\dump2.dll
    MD5

    51c02e0407951ebd681d885da57ac413

    SHA1

    250c068acd415468f54bcdfe751f1240ac83bbdb

    SHA256

    37b3910ab26a7a925a74bd2738ae3cc93d460179b5ee621a5ee188dda65f65dc

    SHA512

    3e7a4144ef6e02eda2d51eb18c511545046f4b52e49c61b40e6ceeea62614db84b0886675ac920eafb38b507eb2874453a1d8f4f91312375d48ac679db5e1bd1

  • \Users\Admin\AppData\Local\Temp\dump2.dll
    MD5

    51c02e0407951ebd681d885da57ac413

    SHA1

    250c068acd415468f54bcdfe751f1240ac83bbdb

    SHA256

    37b3910ab26a7a925a74bd2738ae3cc93d460179b5ee621a5ee188dda65f65dc

    SHA512

    3e7a4144ef6e02eda2d51eb18c511545046f4b52e49c61b40e6ceeea62614db84b0886675ac920eafb38b507eb2874453a1d8f4f91312375d48ac679db5e1bd1

  • memory/1052-114-0x0000000000000000-mapping.dmp
  • memory/1052-115-0x00000000043E0000-0x000000000441A000-memory.dmp
    Filesize

    232KB

  • memory/2940-117-0x0000000000000000-mapping.dmp
  • memory/3496-122-0x0000000000000000-mapping.dmp
  • memory/4052-116-0x0000000000000000-mapping.dmp
  • memory/4052-120-0x0000000000E50000-0x0000000000E8A000-memory.dmp
    Filesize

    232KB