Analysis

  • max time kernel
    130s
  • max time network
    9s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    05-05-2021 14:06

General

  • Target

    b8027c886bcb6e314a7b45492887a108bc894429d6765bd9de3d448066e1287d.dll

  • Size

    482KB

  • MD5

    5e6f9536cd6582b15059801402cb1a73

  • SHA1

    a846ae05ddbd707d50a89cfccc56e0d2993e98e1

  • SHA256

    b8027c886bcb6e314a7b45492887a108bc894429d6765bd9de3d448066e1287d

  • SHA512

    713e83a22ce8e46ad5947e0b647891287f407aa1be6574f927a40caa6679eb2d4a9abe228c76d8595e38e51682118eda85a13daccbdcf4d4d44a38c5439d1d26

Malware Config

Extracted

Family

qakbot

Version

402.12

Botnet

tr

Campaign

1618935072

C2

140.82.49.12:443

190.85.91.154:443

96.37.113.36:993

71.41.184.10:3389

186.31.46.121:443

73.25.124.140:2222

109.12.111.14:443

24.229.150.54:995

45.32.211.207:443

45.77.117.108:443

45.77.117.108:8443

149.28.98.196:443

149.28.98.196:2222

144.202.38.185:443

144.202.38.185:995

45.32.211.207:995

207.246.116.237:995

149.28.99.97:995

45.63.107.192:2222

149.28.101.90:995

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\b8027c886bcb6e314a7b45492887a108bc894429d6765bd9de3d448066e1287d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:360
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8027c886bcb6e314a7b45492887a108bc894429d6765bd9de3d448066e1287d.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1816
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1128
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn upvtzsq /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\b8027c886bcb6e314a7b45492887a108bc894429d6765bd9de3d448066e1287d.dll\"" /SC ONCE /Z /ST 16:05 /ET 16:17
          4⤵
          • Creates scheduled task(s)
          PID:1304
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {71F76171-B069-4867-94C2-E3226C63C928} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1548
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\b8027c886bcb6e314a7b45492887a108bc894429d6765bd9de3d448066e1287d.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1732
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\b8027c886bcb6e314a7b45492887a108bc894429d6765bd9de3d448066e1287d.dll"
        3⤵
        • Loads dropped DLL
        PID:1060

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\b8027c886bcb6e314a7b45492887a108bc894429d6765bd9de3d448066e1287d.dll
    MD5

    5b77f3cfa0da890a238b644b5d5be72b

    SHA1

    37bb355a11b5f4fc36fcb9c3598ebf8391493066

    SHA256

    a07eae9ec74fe57b88995b194c106014104b755579de1f055dc7373ba78c76d9

    SHA512

    5e8624e506989eca4cb4f82fd8877ecd45476e5d18bc8bdd437d8de379aef157915620c4a4816c89fe8286af03004d4d9299077120ea05356c676200810a8d7a

  • \Users\Admin\AppData\Local\Temp\b8027c886bcb6e314a7b45492887a108bc894429d6765bd9de3d448066e1287d.dll
    MD5

    5b77f3cfa0da890a238b644b5d5be72b

    SHA1

    37bb355a11b5f4fc36fcb9c3598ebf8391493066

    SHA256

    a07eae9ec74fe57b88995b194c106014104b755579de1f055dc7373ba78c76d9

    SHA512

    5e8624e506989eca4cb4f82fd8877ecd45476e5d18bc8bdd437d8de379aef157915620c4a4816c89fe8286af03004d4d9299077120ea05356c676200810a8d7a

  • memory/1060-71-0x0000000000000000-mapping.dmp
  • memory/1128-67-0x0000000000080000-0x00000000000B9000-memory.dmp
    Filesize

    228KB

  • memory/1128-63-0x0000000000000000-mapping.dmp
  • memory/1128-65-0x0000000074601000-0x0000000074603000-memory.dmp
    Filesize

    8KB

  • memory/1304-66-0x0000000000000000-mapping.dmp
  • memory/1732-69-0x000007FEFB7B1000-0x000007FEFB7B3000-memory.dmp
    Filesize

    8KB

  • memory/1732-68-0x0000000000000000-mapping.dmp
  • memory/1816-59-0x0000000000000000-mapping.dmp
  • memory/1816-62-0x0000000010000000-0x0000000010079000-memory.dmp
    Filesize

    484KB

  • memory/1816-61-0x0000000000210000-0x0000000000283000-memory.dmp
    Filesize

    460KB

  • memory/1816-60-0x0000000075451000-0x0000000075453000-memory.dmp
    Filesize

    8KB