Analysis

  • max time kernel
    128s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    05-05-2021 13:36

General

  • Target

    77fccf41ae1a8f0bb1593b4022174baa.dll

  • Size

    472KB

  • MD5

    77fccf41ae1a8f0bb1593b4022174baa

  • SHA1

    0fdd7c88e89e4c700d4506284813881311cf2d94

  • SHA256

    6b028006040a8d4b524818593e52e77357ad60a17211941db2cc6cf5056a907c

  • SHA512

    96d5eb5f65ec82b1a8e99ae8597d7d603cd428b0117cda03c56b39f85ff62171f8d337b7b3b68e116cb8d4cb8d32404cd529e078df8637cddf118ca251807a96

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\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\77fccf41ae1a8f0bb1593b4022174baa.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1048
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\77fccf41ae1a8f0bb1593b4022174baa.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2028
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1500
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn lwcwrbr /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\77fccf41ae1a8f0bb1593b4022174baa.dll\"" /SC ONCE /Z /ST 13:34 /ET 13:46
          4⤵
          • Creates scheduled task(s)
          PID:288
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {A9BA5D77-F9B5-43B2-BCC9-E9FA8C056C6D} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:864
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\77fccf41ae1a8f0bb1593b4022174baa.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:684
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\77fccf41ae1a8f0bb1593b4022174baa.dll"
        3⤵
        • Loads dropped DLL
        PID:1776

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\77fccf41ae1a8f0bb1593b4022174baa.dll

    MD5

    b84b51ab52e2bbba397fc1e6d19b2b4e

    SHA1

    4be5aa70baf453b8254820631cf32dfaa53916f7

    SHA256

    1e189bb10ebf013a24d7f7dcb52e47a5fa0afdbd3f00b65dd9618a5d700ad24d

    SHA512

    8f449121026d8b9b211c635735bc5382b65a2aa131ea80aae980ac830ffb67f5a0debab3d93f21dcd959da6480cc4db2f15d5f96d63ea173927f898423cf1f8a

  • \Users\Admin\AppData\Local\Temp\77fccf41ae1a8f0bb1593b4022174baa.dll

    MD5

    b84b51ab52e2bbba397fc1e6d19b2b4e

    SHA1

    4be5aa70baf453b8254820631cf32dfaa53916f7

    SHA256

    1e189bb10ebf013a24d7f7dcb52e47a5fa0afdbd3f00b65dd9618a5d700ad24d

    SHA512

    8f449121026d8b9b211c635735bc5382b65a2aa131ea80aae980ac830ffb67f5a0debab3d93f21dcd959da6480cc4db2f15d5f96d63ea173927f898423cf1f8a

  • memory/288-68-0x0000000000000000-mapping.dmp

  • memory/684-69-0x0000000000000000-mapping.dmp

  • memory/1048-59-0x000007FEFBB41000-0x000007FEFBB43000-memory.dmp

    Filesize

    8KB

  • memory/1500-66-0x0000000074161000-0x0000000074163000-memory.dmp

    Filesize

    8KB

  • memory/1500-64-0x0000000000000000-mapping.dmp

  • memory/1500-67-0x0000000000080000-0x00000000000B9000-memory.dmp

    Filesize

    228KB

  • memory/1776-72-0x0000000000000000-mapping.dmp

  • memory/2028-63-0x0000000010000000-0x0000000010078000-memory.dmp

    Filesize

    480KB

  • memory/2028-62-0x00000000001E0000-0x0000000000260000-memory.dmp

    Filesize

    512KB

  • memory/2028-61-0x0000000075721000-0x0000000075723000-memory.dmp

    Filesize

    8KB

  • memory/2028-60-0x0000000000000000-mapping.dmp