Resubmissions

29-01-2024 02:49

240129-dbgyasgcf4 10

Analysis

  • max time kernel
    130s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2024 02:49

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:1816
    • 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:1304
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1228
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ahrwlzkm /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\7eaee31f3e541217ac9cc333e8b0ed11.dll\"" /SC ONCE /Z /ST 02:52 /ET 03:04
          4⤵
          • Creates scheduled task(s)
          PID:2232
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {F260B1BA-4399-47F6-AC71-F716B739B642} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\7eaee31f3e541217ac9cc333e8b0ed11.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1160
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\7eaee31f3e541217ac9cc333e8b0ed11.dll"
        3⤵
        • Loads dropped DLL
        PID:2772

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
    Filesize

    198KB

    MD5

    4d9086515deaa640a00e426298c96c8f

    SHA1

    f92acbbbee806fde18622671227d9e9ef9a7a8ff

    SHA256

    7545c502208108aed5ce21bbb1291e4de77ebffe3f96daaa9502cc8ae0041a67

    SHA512

    5bee8686d893a620cf7f87e43e9ecdc713f5cf343d81269dd34362d8aa57dc87868e786c2cc3ffe511d5d52493b18fe346d687268606e407ba02a1a30db59215

  • memory/1228-0-0x00000000000C0000-0x00000000000C2000-memory.dmp
    Filesize

    8KB

  • memory/1228-3-0x0000000000870000-0x0000000000AF1000-memory.dmp
    Filesize

    2.5MB

  • memory/1228-5-0x0000000000080000-0x00000000000B5000-memory.dmp
    Filesize

    212KB

  • memory/1228-6-0x0000000000080000-0x00000000000B5000-memory.dmp
    Filesize

    212KB

  • memory/1228-7-0x0000000000080000-0x00000000000B5000-memory.dmp
    Filesize

    212KB

  • memory/1228-9-0x0000000000080000-0x00000000000B5000-memory.dmp
    Filesize

    212KB