Analysis

  • max time kernel
    129s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2023 17:00

General

  • Target

    7eaee31f3e541217ac9cc333e8b0ed11.dll

  • Size

    198KB

  • MD5

    7eaee31f3e541217ac9cc333e8b0ed11

  • SHA1

    f1508be7396d60f20d0dd86780b9b54af3215857

  • SHA256

    fafb8e1471f8e7d91d05035b68d0977ef2bdf20e1e041d4c3e3f6a50466df6bc

  • SHA512

    54150f4527bd5629fbc2b64a37749fee3631ff9e09bbfef4005f745f550933df8c8b9c6b2cd6f3389d292731b0361774541773d78a7cafebd3d638203cecb804

  • SSDEEP

    6144:w2f5s7MX5gD16Z97LKrJgFrfT+IBOTBGxhu:9f75c16Z9a6Ff+IBOTAHu

Malware Config

Extracted

Family

qakbot

Version

401.138

Botnet

krk01

Campaign

1611569149

C2

31.5.21.66:995

89.3.198.238:443

202.188.138.162:443

188.24.128.253:443

175.141.219.71:443

151.60.15.183:443

184.189.122.72:443

80.227.5.70:443

140.82.49.12:443

89.211.241.100:995

81.97.154.100:443

77.27.174.49:995

92.154.83.96:2078

42.3.8.54:443

71.187.170.235:443

46.153.36.53:995

71.182.142.63:443

105.186.102.16:443

50.244.112.106:443

78.63.226.32:443

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

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\7eaee31f3e541217ac9cc333e8b0ed11.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2348
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\7eaee31f3e541217ac9cc333e8b0ed11.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2656
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2672
  • C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ysmljsufx /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\7eaee31f3e541217ac9cc333e8b0ed11.dll\"" /SC ONCE /Z /ST 21:37 /ET 21:49
    1⤵
    • Creates scheduled task(s)
    PID:2768
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {F223CBCB-B10E-45CF-8DF2-6EF5C2A7E5F4} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\7eaee31f3e541217ac9cc333e8b0ed11.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1992
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\7eaee31f3e541217ac9cc333e8b0ed11.dll"
        3⤵
        • Loads dropped DLL
        PID:2024

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\7eaee31f3e541217ac9cc333e8b0ed11.dll
    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • memory/2672-0-0x0000000000080000-0x0000000000082000-memory.dmp
    Filesize

    8KB

  • memory/2672-4-0x00000000000D0000-0x0000000000105000-memory.dmp
    Filesize

    212KB

  • memory/2672-6-0x00000000000D0000-0x0000000000105000-memory.dmp
    Filesize

    212KB

  • memory/2672-5-0x00000000000D0000-0x0000000000105000-memory.dmp
    Filesize

    212KB

  • memory/2672-3-0x00000000000D0000-0x0000000000105000-memory.dmp
    Filesize

    212KB

  • memory/2672-8-0x00000000000D0000-0x0000000000105000-memory.dmp
    Filesize

    212KB