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
    208s
  • max time network
    367s
  • platform
    windows11_x64
  • resource
    win11
  • submitted
    01-11-2021 12:31

General

  • Target

    acc31f97c3124a317f2939944777e103311f4b0c51788d2e562c24a08e2afe27.dll

  • Size

    611KB

  • MD5

    650393a4720518176d8bc503cf686cf6

  • SHA1

    ea2a8f0aab617f00a532a68a91ee96be427ce372

  • SHA256

    acc31f97c3124a317f2939944777e103311f4b0c51788d2e562c24a08e2afe27

  • SHA512

    5b889d3c5a918f8c5f971ecb3a2ff5518974250ad7ddbc536b596933fd81ba90db5cb63fc9be7d70b94257de45980ff3979d1eb9cb5ff8868d699c5bfa8f2f37

Malware Config

Extracted

Family

qakbot

Version

402.363

Botnet

tr

Campaign

1633597816

C2

120.150.218.241:995

185.250.148.74:443

89.137.52.44:443

66.103.170.104:2222

86.8.177.143:443

216.201.162.158:443

174.54.193.186:443

103.148.120.144:443

188.50.169.158:443

124.123.42.115:2222

140.82.49.12:443

199.27.127.129:443

81.241.252.59:2078

209.142.97.161:995

209.50.20.255:443

73.230.205.91:443

200.232.214.222:995

103.142.10.177:443

2.222.167.138:443

41.228.22.180:443

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Sets service image path in registry 2 TTPs
  • Drops file in Windows directory 8 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 9 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\acc31f97c3124a317f2939944777e103311f4b0c51788d2e562c24a08e2afe27.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4232
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\acc31f97c3124a317f2939944777e103311f4b0c51788d2e562c24a08e2afe27.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3076
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3076 -s 564
        3⤵
        • Program crash
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4996
  • C:\Windows\System32\WaaSMedicAgent.exe
    C:\Windows\System32\WaaSMedicAgent.exe 2d91cf0531329189e02a02900fbada69 rsx/9AJQL0iUlOEVa0dABQ.0.1.0.3.0
    1⤵
    • Modifies data under HKEY_USERS
    PID:1340
  • 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:2120
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3076 -ip 3076
    1⤵
    • Suspicious use of NtCreateProcessExOtherParentProcess
    • Suspicious use of WriteProcessMemory
    PID:2468
  • 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:1988
    • C:\Windows\uus\AMD64\MoUsoCoreWorker.exe
      C:\Windows\uus\AMD64\MoUsoCoreWorker.exe
      2⤵
        PID:1380
    • 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:3408
    • C:\Windows\System32\WaaSMedicAgent.exe
      C:\Windows\System32\WaaSMedicAgent.exe 2d91cf0531329189e02a02900fbada69 rsx/9AJQL0iUlOEVa0dABQ.0.1.0.3.0
      1⤵
      • Modifies data under HKEY_USERS
      PID:4136
    • C:\Windows\System32\WaaSMedicAgent.exe
      C:\Windows\System32\WaaSMedicAgent.exe 2d91cf0531329189e02a02900fbada69 rsx/9AJQL0iUlOEVa0dABQ.0.1.0.3.0
      1⤵
      • Modifies data under HKEY_USERS
      PID:4032

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1380-156-0x0000000000000000-mapping.dmp
    • memory/2120-153-0x000001F5C9220000-0x000001F5C9230000-memory.dmp
      Filesize

      64KB

    • memory/2120-154-0x000001F5C9460000-0x000001F5C9470000-memory.dmp
      Filesize

      64KB

    • memory/2120-155-0x000001F5CB9B0000-0x000001F5CB9B4000-memory.dmp
      Filesize

      16KB

    • memory/3076-146-0x0000000000000000-mapping.dmp
    • memory/3076-147-0x00000000041B0000-0x000000000424C000-memory.dmp
      Filesize

      624KB

    • memory/3076-148-0x0000000000840000-0x0000000000841000-memory.dmp
      Filesize

      4KB

    • memory/3076-150-0x0000000004420000-0x0000000004441000-memory.dmp
      Filesize

      132KB

    • memory/3076-149-0x0000000004420000-0x0000000004441000-memory.dmp
      Filesize

      132KB

    • memory/3076-151-0x00000000043F0000-0x0000000004411000-memory.dmp
      Filesize

      132KB

    • memory/3076-152-0x0000000004420000-0x0000000004441000-memory.dmp
      Filesize

      132KB