Resubmissions

28-09-2021 20:56

210928-zq4aqsdag2 10

24-09-2021 13:28

210924-qqtlvshbc3 10

21-09-2021 14:30

210921-rt6ahacdgn 10

Analysis

  • max time kernel
    132s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-ja-20210920
  • submitted
    24-09-2021 13:28

General

  • Target

    44460.6828835648.dat.dll

  • Size

    488KB

  • MD5

    7f0b9d11c95a65e9e9f87b2341bb01ad

  • SHA1

    93abbf5758c39672d69502690b5e4003a47f9e72

  • SHA256

    4d3095c7965c7bdd32b81b72c95f767134915cf08ebe1237721ed5208de4beee

  • SHA512

    eb81b291a55ab91dfaef4a64661b2325c594890ebbcb71b00d5029275c1b7ec43880d85737fceba3c0de1cd20ed94ffa7a9112424c3ef25fd0e21e586a329648

Malware Config

Extracted

Family

qakbot

Version

402.318

Botnet

obama101

Campaign

1632228858

C2

47.22.148.6:443

24.55.112.61:443

140.82.49.12:443

24.139.72.117:443

136.232.34.70:443

24.229.150.54:995

71.74.12.34:443

73.151.236.31:443

120.150.218.241:995

105.198.236.99:443

76.25.142.196:443

45.46.53.140:2222

144.139.47.206:443

96.37.113.36:993

173.21.10.71:2222

67.165.206.193:993

189.210.115.207:443

109.12.111.14:443

68.204.7.158:443

95.77.223.148:443

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 24 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\44460.6828835648.dat.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1560
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\44460.6828835648.dat.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1576
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1736
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn pnrjfbvlb /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\44460.6828835648.dat.dll\"" /SC ONCE /Z /ST 13:30 /ET 13:42
          4⤵
          • Creates scheduled task(s)
          PID:976
  • C:\Windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\44460.6828835648.dat.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1844
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\44460.6828835648.dat.dll"
      2⤵
      • Loads dropped DLL
      PID:440

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

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\44460.6828835648.dat.dll
    MD5

    d8a8fca50cd6eaa3790e4f236b04480e

    SHA1

    ebaee21e509767fba65482a52ae2cbd3bc846fef

    SHA256

    53331cdc772b395a4de6e931aefa6e9486c12cafd96acfeb080694fd998aab39

    SHA512

    0e9c9fd9696d1b38460e9a2fc226be6f9abf184f7956e6b8670f55e00fa7acfd974b47d9f77a917a751c2ebec48eac10c4d2c3e14ce99a0a7062053efd122c67

  • \Users\Admin\AppData\Local\Temp\44460.6828835648.dat.dll
    MD5

    d8a8fca50cd6eaa3790e4f236b04480e

    SHA1

    ebaee21e509767fba65482a52ae2cbd3bc846fef

    SHA256

    53331cdc772b395a4de6e931aefa6e9486c12cafd96acfeb080694fd998aab39

    SHA512

    0e9c9fd9696d1b38460e9a2fc226be6f9abf184f7956e6b8670f55e00fa7acfd974b47d9f77a917a751c2ebec48eac10c4d2c3e14ce99a0a7062053efd122c67

  • memory/440-65-0x0000000000000000-mapping.dmp
  • memory/976-61-0x0000000000000000-mapping.dmp
  • memory/1576-54-0x0000000075741000-0x0000000075743000-memory.dmp
    Filesize

    8KB

  • memory/1576-55-0x00000000001A0000-0x00000000001A1000-memory.dmp
    Filesize

    4KB

  • memory/1576-59-0x0000000000370000-0x0000000000391000-memory.dmp
    Filesize

    132KB

  • memory/1576-58-0x0000000000280000-0x00000000002A1000-memory.dmp
    Filesize

    132KB

  • memory/1576-53-0x0000000000000000-mapping.dmp
  • memory/1736-60-0x0000000074151000-0x0000000074153000-memory.dmp
    Filesize

    8KB

  • memory/1736-62-0x0000000000080000-0x00000000000A1000-memory.dmp
    Filesize

    132KB

  • memory/1736-56-0x0000000000000000-mapping.dmp
  • memory/1844-63-0x000007FEFB601000-0x000007FEFB603000-memory.dmp
    Filesize

    8KB