Analysis

  • max time kernel
    132s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    12-03-2021 18:14

General

  • Target

    44267.7574392361[3].dat.dll

  • Size

    720KB

  • MD5

    094ff6f5b463137bbc5633ba8f86c12c

  • SHA1

    6f94cd0c6a8705b2549bd1944fbc1f2d9e191035

  • SHA256

    0a682e164b078c64ecb724cd359cce68905ef56b8b65dcc4d5e8e54dbbfd585c

  • SHA512

    8c633b9232f1dd5e23801cf53e9799eea0266a161d58d38881a96adcdd3c741e3750eae6ec83b94ab893ae4becd7d996aed4b8f951b3e4027f00c98d284d0584

Malware Config

Extracted

Family

qakbot

Botnet

obama12

Campaign

1615566531

C2

81.214.126.173:2222

75.118.1.141:443

98.252.118.134:443

81.97.154.100:443

186.31.77.42:443

71.117.132.169:443

24.139.72.117:443

106.51.52.111:443

47.196.192.184:443

24.95.61.62:443

47.22.148.6:443

195.12.154.8:443

71.163.223.159:443

71.41.184.10:3389

193.248.221.184:2222

83.110.108.38:2222

92.59.35.196:2222

73.25.124.140:2222

75.67.192.125:443

83.196.56.65:2222

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\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\44267.7574392361[3].dat.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\44267.7574392361[3].dat.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1920
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1260
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn fjhshmwsr /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\44267.7574392361[3].dat.dll\"" /SC ONCE /Z /ST 18:13 /ET 18:25
          4⤵
          • Creates scheduled task(s)
          PID:1672
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {EA225F7F-77A2-4F5A-982C-A6C810C3141D} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\44267.7574392361[3].dat.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1368
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\44267.7574392361[3].dat.dll"
        3⤵
        • Loads dropped DLL
        PID:1140

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\44267.7574392361[3].dat.dll
    MD5

    2c231dbd560040877c0c680f1a28cb28

    SHA1

    00d90ec2715286f6842dc44679f2ad5f080c8edb

    SHA256

    cca357ce0853c8396665bf91579623cb5eb1777dd7ac965d6b78694e5df393e0

    SHA512

    740f190b70ce40ed58a9eb96f9f3921528cb0a5d895703afe1a96d688e054828015973344e2a7e76405231acbfc96253b9b46875e682b912562b1762497e6696

  • \Users\Admin\AppData\Local\Temp\44267.7574392361[3].dat.dll
    MD5

    2c231dbd560040877c0c680f1a28cb28

    SHA1

    00d90ec2715286f6842dc44679f2ad5f080c8edb

    SHA256

    cca357ce0853c8396665bf91579623cb5eb1777dd7ac965d6b78694e5df393e0

    SHA512

    740f190b70ce40ed58a9eb96f9f3921528cb0a5d895703afe1a96d688e054828015973344e2a7e76405231acbfc96253b9b46875e682b912562b1762497e6696

  • memory/1140-17-0x0000000000000000-mapping.dmp
  • memory/1260-12-0x0000000000080000-0x00000000000BB000-memory.dmp
    Filesize

    236KB

  • memory/1260-7-0x0000000000000000-mapping.dmp
  • memory/1260-9-0x0000000074671000-0x0000000074673000-memory.dmp
    Filesize

    8KB

  • memory/1260-13-0x0000000000080000-0x00000000000BB000-memory.dmp
    Filesize

    236KB

  • memory/1368-15-0x000007FEFBA51000-0x000007FEFBA53000-memory.dmp
    Filesize

    8KB

  • memory/1368-14-0x0000000000000000-mapping.dmp
  • memory/1672-11-0x0000000000000000-mapping.dmp
  • memory/1920-2-0x0000000000000000-mapping.dmp
  • memory/1920-10-0x0000000000BD0000-0x0000000000C0B000-memory.dmp
    Filesize

    236KB

  • memory/1920-6-0x0000000000BD0000-0x0000000000C0B000-memory.dmp
    Filesize

    236KB

  • memory/1920-5-0x0000000000330000-0x0000000000369000-memory.dmp
    Filesize

    228KB

  • memory/1920-4-0x00000000001B0000-0x00000000001B1000-memory.dmp
    Filesize

    4KB

  • memory/1920-3-0x00000000760D1000-0x00000000760D3000-memory.dmp
    Filesize

    8KB