Analysis

  • max time kernel
    145s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    14-02-2022 15:23

General

  • Target

    9e55e4173e82fd800097eeff77fcbb81ab6a41d9081a5ab81ff20539ca942b5a.dll

  • Size

    232KB

  • MD5

    17d871a5ff47e98e7b52769bcf28a7dd

  • SHA1

    579ba71ba0fb5ad8fb99920870f9c2901be841e8

  • SHA256

    9e55e4173e82fd800097eeff77fcbb81ab6a41d9081a5ab81ff20539ca942b5a

  • SHA512

    55afe0d880144e1b16ca603359dba009a29c2b8befc1eea4d27401f4c91bb8a7aaac982fcd964ba45f866bfbc10b75e04f836e23523136e43d57982d201e5a86

Malware Config

Extracted

Family

qakbot

Version

402.12

Botnet

notset

Campaign

1618398961

C2

47.196.192.184:443

216.201.162.158:443

136.232.34.70:443

71.41.184.10:3389

140.82.49.12:443

45.63.107.192:2222

45.63.107.192:443

149.28.98.196:443

45.32.211.207:443

144.202.38.185:443

45.77.115.208:2222

45.77.115.208:8443

207.246.116.237:995

45.77.117.108:443

149.28.99.97:443

149.28.99.97:995

149.28.98.196:995

45.32.211.207:995

45.32.211.207:2222

149.28.98.196:2222

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 5 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 55 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9e55e4173e82fd800097eeff77fcbb81ab6a41d9081a5ab81ff20539ca942b5a.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\9e55e4173e82fd800097eeff77fcbb81ab6a41d9081a5ab81ff20539ca942b5a.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3860
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2884
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn qqhtbztn /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\9e55e4173e82fd800097eeff77fcbb81ab6a41d9081a5ab81ff20539ca942b5a.dll\"" /SC ONCE /Z /ST 16:26 /ET 16:38
          4⤵
          • Creates scheduled task(s)
          PID:3144
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1268
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:2448
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:1968
  • C:\Windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\9e55e4173e82fd800097eeff77fcbb81ab6a41d9081a5ab81ff20539ca942b5a.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:752
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\9e55e4173e82fd800097eeff77fcbb81ab6a41d9081a5ab81ff20539ca942b5a.dll"
      2⤵
      • Loads dropped DLL
      PID:1952
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1952 -s 584
        3⤵
        • Program crash
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:3508
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1952 -ip 1952
    1⤵
    • Suspicious use of NtCreateProcessExOtherParentProcess
    • Suspicious use of WriteProcessMemory
    PID:3516

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\9e55e4173e82fd800097eeff77fcbb81ab6a41d9081a5ab81ff20539ca942b5a.dll
    MD5

    33cca7a6122a6f2c932037f39ca59b43

    SHA1

    e26b0e6030a2f985644969ed901c36ff8416cf1b

    SHA256

    c17a708cfa05595c15ec1a99b8da76c6aeb854766ffd6a96756a1b7372320d8a

    SHA512

    ff89d1c9ab3581c118ca9859048cc2939b313e13f0fec8dd7f220a77a2e621e5d152ce62c62ad838115770a8a5e44adf56f0a251aeb562401457d621771f27d9

  • C:\Users\Admin\AppData\Local\Temp\9e55e4173e82fd800097eeff77fcbb81ab6a41d9081a5ab81ff20539ca942b5a.dll
    MD5

    33cca7a6122a6f2c932037f39ca59b43

    SHA1

    e26b0e6030a2f985644969ed901c36ff8416cf1b

    SHA256

    c17a708cfa05595c15ec1a99b8da76c6aeb854766ffd6a96756a1b7372320d8a

    SHA512

    ff89d1c9ab3581c118ca9859048cc2939b313e13f0fec8dd7f220a77a2e621e5d152ce62c62ad838115770a8a5e44adf56f0a251aeb562401457d621771f27d9

  • memory/2884-132-0x00000000007A3000-0x00000000007A4000-memory.dmp
    Filesize

    4KB

  • memory/2884-133-0x0000000002F80000-0x0000000002FBA000-memory.dmp
    Filesize

    232KB