Resubmissions

01-11-2021 12:31

211101-pp5r3ahha4 10

31-10-2021 09:03

211031-k1bwxacfaq 10

14-10-2021 01:44

211014-b6aflafeg4 10

Analysis

  • max time kernel
    598s
  • max time network
    611s
  • platform
    windows11_x64
  • resource
    win11
  • submitted
    01-11-2021 12:31

General

  • Target

    260e2d5769f0a50a7b49d4c43059221eb7acc4b9fc460763e0cfcd793f2a6840.dll

  • Size

    1.0MB

  • MD5

    10c150a949585ba3603cce27707331f0

  • SHA1

    9eeb1747902951835245545b7b3b1e6408c708c2

  • SHA256

    260e2d5769f0a50a7b49d4c43059221eb7acc4b9fc460763e0cfcd793f2a6840

  • SHA512

    668ea267488635b88ef6a929501f8f6b34a02ccb2fa01a311caf89f5c683f0dd6877d8714ddf8b6b24e7a447c40f2cf5c42698638a52ff7b27e6c47ce4f4578b

Malware Config

Extracted

Family

qakbot

Version

402.363

Botnet

tr

Campaign

1633334141

C2

75.75.179.226:443

185.250.148.74:443

122.11.220.212:2222

120.150.218.241:995

103.148.120.144:443

140.82.49.12:443

40.131.140.155:995

206.47.134.234:2222

73.230.205.91:443

190.198.206.189:2222

103.157.122.198:995

81.250.153.227:2222

167.248.100.227:443

96.57.188.174:2078

217.17.56.163:2222

217.17.56.163:2078

41.228.22.180:443

136.232.34.70:443

68.186.192.69:443

167.248.111.245:443

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Sets service image path in registry 2 TTPs
  • Drops file in Windows directory 8 IoCs
  • Checks processor information in registry 2 TTPs 2 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.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\260e2d5769f0a50a7b49d4c43059221eb7acc4b9fc460763e0cfcd793f2a6840.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\260e2d5769f0a50a7b49d4c43059221eb7acc4b9fc460763e0cfcd793f2a6840.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:920
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4032
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ewvwcyddvg /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\260e2d5769f0a50a7b49d4c43059221eb7acc4b9fc460763e0cfcd793f2a6840.dll\"" /SC ONCE /Z /ST 07:54 /ET 08:06
          4⤵
          • Creates scheduled task(s)
          PID:4056
  • C:\Windows\System32\WaaSMedicAgent.exe
    C:\Windows\System32\WaaSMedicAgent.exe d24bb2d71bcbb36c2a75cc2dfbe6920d zpztTPQJb0KSdWS/IXZ/5g.0.1.0.3.0
    1⤵
    • Modifies data under HKEY_USERS
    PID:948
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:1872
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc
    1⤵
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2564
    • C:\Windows\uus\AMD64\MoUsoCoreWorker.exe
      C:\Windows\uus\AMD64\MoUsoCoreWorker.exe
      2⤵
        PID:1244
    • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.22000.100_none_04da31ff4c67c24a\TiWorker.exe
      C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.22000.100_none_04da31ff4c67c24a\TiWorker.exe -Embedding
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2284
    • C:\Windows\System32\WaaSMedicAgent.exe
      C:\Windows\System32\WaaSMedicAgent.exe d24bb2d71bcbb36c2a75cc2dfbe6920d zpztTPQJb0KSdWS/IXZ/5g.0.1.0.3.0
      1⤵
      • Modifies data under HKEY_USERS
      PID:2604
    • C:\Windows\System32\WaaSMedicAgent.exe
      C:\Windows\System32\WaaSMedicAgent.exe d24bb2d71bcbb36c2a75cc2dfbe6920d zpztTPQJb0KSdWS/IXZ/5g.0.1.0.3.0
      1⤵
      • Modifies data under HKEY_USERS
      PID:3416

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/920-152-0x0000000074A70000-0x0000000074A91000-memory.dmp
      Filesize

      132KB

    • memory/920-154-0x0000000002EF0000-0x0000000002EF1000-memory.dmp
      Filesize

      4KB

    • memory/920-153-0x0000000074A70000-0x000000007547C000-memory.dmp
      Filesize

      10.0MB

    • memory/920-146-0x0000000000000000-mapping.dmp
    • memory/920-151-0x0000000074A70000-0x000000007547C000-memory.dmp
      Filesize

      10.0MB

    • memory/1244-150-0x0000000000000000-mapping.dmp
    • memory/1872-149-0x000001A23BA10000-0x000001A23BA14000-memory.dmp
      Filesize

      16KB

    • memory/1872-148-0x000001A2394E0000-0x000001A2394F0000-memory.dmp
      Filesize

      64KB

    • memory/1872-147-0x000001A238D60000-0x000001A238D70000-memory.dmp
      Filesize

      64KB

    • memory/4032-155-0x0000000000000000-mapping.dmp
    • memory/4032-157-0x0000000000AA0000-0x0000000000AA1000-memory.dmp
      Filesize

      4KB

    • memory/4032-158-0x0000000000AA0000-0x0000000000AA1000-memory.dmp
      Filesize

      4KB

    • memory/4032-159-0x00000000003C0000-0x00000000003E1000-memory.dmp
      Filesize

      132KB

    • memory/4056-156-0x0000000000000000-mapping.dmp