Analysis

  • max time kernel
    127s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    15-12-2020 01:22

General

  • Target

    5555555555.jpg.dll

  • Size

    223KB

  • MD5

    cfd5809e2748451f37957ccc615f4cf0

  • SHA1

    1ef5cb10323ae79b57fe8e6d77e313297c8ae3cf

  • SHA256

    9aeb58da5439915bbf9889579c3d7e5e80ec65d3225316bf03034b95dadf2779

  • SHA512

    5a384da49169ab9efc4074a0821fe8b3330607c8d3a49cdb3fc57ac90986dbcf85c0c7a6d27d33d0b1be80aa4c975a28dfc1033fb8fa93003183363e1f896605

Malware Config

Extracted

Family

qakbot

Botnet

abc112

Campaign

1607942962

C2

66.26.160.37:443

84.78.128.76:2222

45.250.69.150:443

108.31.15.10:995

50.244.112.10:995

47.146.34.236:443

24.95.61.62:443

31.5.21.66:995

59.99.37.134:443

79.115.134.161:443

39.57.127.126:995

120.151.95.167:443

47.44.217.98:443

32.212.117.188:443

37.21.231.245:995

184.97.145.239:443

86.121.3.80:443

83.110.97.149:443

83.194.193.247:2222

78.101.158.1:61201

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\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5555555555.jpg.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1068
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5555555555.jpg.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1248
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1800
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn tnsxdsmcg /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\5555555555.jpg.dll\"" /SC ONCE /Z /ST 01:20 /ET 01:32
          4⤵
          • Creates scheduled task(s)
          PID:1396
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {B2F27998-CF23-498E-9491-686785176F89} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:976
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\5555555555.jpg.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1020
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\5555555555.jpg.dll"
        3⤵
        • Loads dropped DLL
        PID:1744

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\5555555555.jpg.dll
    MD5

    37638544ad2872186e7be440c1ce2db8

    SHA1

    c4947e95605c9f270cc40fbfd43f68f058a9e15b

    SHA256

    5663904ac0902cf42a9f562733ef43e83d8faed39443634412bf6083304f819e

    SHA512

    0edf782169262031cf2325962a66e95bbf89a1085ec49ba4a6e44b93370982e226b79c31e8d2cd61495cbfa6af716634e4bc210549637f75d57f8b9c247459a8

  • \Users\Admin\AppData\Local\Temp\5555555555.jpg.dll
    MD5

    37638544ad2872186e7be440c1ce2db8

    SHA1

    c4947e95605c9f270cc40fbfd43f68f058a9e15b

    SHA256

    5663904ac0902cf42a9f562733ef43e83d8faed39443634412bf6083304f819e

    SHA512

    0edf782169262031cf2325962a66e95bbf89a1085ec49ba4a6e44b93370982e226b79c31e8d2cd61495cbfa6af716634e4bc210549637f75d57f8b9c247459a8

  • memory/1020-8-0x0000000000000000-mapping.dmp
  • memory/1248-2-0x0000000000000000-mapping.dmp
  • memory/1248-4-0x0000000000290000-0x00000000002B1000-memory.dmp
    Filesize

    132KB

  • memory/1396-6-0x0000000000000000-mapping.dmp
  • memory/1744-10-0x0000000000000000-mapping.dmp
  • memory/1800-3-0x00000000000B0000-0x00000000000B2000-memory.dmp
    Filesize

    8KB

  • memory/1800-5-0x0000000000000000-mapping.dmp
  • memory/1800-7-0x0000000000080000-0x00000000000A1000-memory.dmp
    Filesize

    132KB