Analysis

  • max time kernel
    151s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 19:33

General

  • Target

    57daeb33ce024ad1abd0d6dd3c1728284527eef8c20288c6d1de763b328068e9.exe

  • Size

    208KB

  • MD5

    de561fca38ce0a275068a0261b9702b0

  • SHA1

    d592ed341633d08867594961c59c600b505f59be

  • SHA256

    57daeb33ce024ad1abd0d6dd3c1728284527eef8c20288c6d1de763b328068e9

  • SHA512

    bdea9c8de7cb5131b2d0d2445f2a0381c98ea4e1b6cac3dc288ad88728c26a99b4b5aade94fa6e137dec373afaec468b2cc1729f32f9d2f23474020b1db6074c

  • SSDEEP

    1536:Vfuxw10lxJM5y8w5OZRVmgyDl+cWaxJcveQZNTRSb3EBAR1AlQPsxjheYhpXN5yh:f0OtF2Qo7VsJgisxlYegEX0ZZbW

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • UPX packed file 16 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\57daeb33ce024ad1abd0d6dd3c1728284527eef8c20288c6d1de763b328068e9.exe
    "C:\Users\Admin\AppData\Local\Temp\57daeb33ce024ad1abd0d6dd3c1728284527eef8c20288c6d1de763b328068e9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:748
    • C:\Users\Admin\AppData\Local\Temp\57daeb33ce024ad1abd0d6dd3c1728284527eef8c20288c6d1de763b328068e9.exe
      "C:\Users\Admin\AppData\Local\Temp\57daeb33ce024ad1abd0d6dd3c1728284527eef8c20288c6d1de763b328068e9.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1504
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\CSTQL.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2008
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "svhust" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe" /f
          4⤵
          • Adds Run key to start application
          PID:1716
      • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
        "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:884
        • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
          "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:656
        • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
          "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious use of FindShellTrayWindow
          PID:1152

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CSTQL.bat
    Filesize

    141B

    MD5

    e83a2e0b3c1e03dfb96ffd9924117a45

    SHA1

    27a3e4ba115ba1bad0bf094f5b97e768d1ece33e

    SHA256

    655407d94fff9e707712a588d97a2017cc1c9d690a67c688ed0abcb79e452b13

    SHA512

    5f61686a3b7db3544d83a4f2ce1a75868c7dc266709f72a34eafecc3a26696a985b1912a559aed8f5a2cacbfe26be9beae2374340d1801bb18473de785557480

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    f4ce281aa7c490e4875d42f2a636b646

    SHA1

    905856c73244c8ab9e63428d11fa72bf30a43318

    SHA256

    a7d12073f495d3cd283a035466502de0dc8a00d8689b6a8d489f74e50c160abb

    SHA512

    bbf835fd67fcce2c8d000452159c3aa32a0ac7a60aa0fa28b4d0672b72efd0a14aec1e63b42de2c849389cd943be7bca7b6e075ad2844a1db06a3396df689813

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    f4ce281aa7c490e4875d42f2a636b646

    SHA1

    905856c73244c8ab9e63428d11fa72bf30a43318

    SHA256

    a7d12073f495d3cd283a035466502de0dc8a00d8689b6a8d489f74e50c160abb

    SHA512

    bbf835fd67fcce2c8d000452159c3aa32a0ac7a60aa0fa28b4d0672b72efd0a14aec1e63b42de2c849389cd943be7bca7b6e075ad2844a1db06a3396df689813

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    f4ce281aa7c490e4875d42f2a636b646

    SHA1

    905856c73244c8ab9e63428d11fa72bf30a43318

    SHA256

    a7d12073f495d3cd283a035466502de0dc8a00d8689b6a8d489f74e50c160abb

    SHA512

    bbf835fd67fcce2c8d000452159c3aa32a0ac7a60aa0fa28b4d0672b72efd0a14aec1e63b42de2c849389cd943be7bca7b6e075ad2844a1db06a3396df689813

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    f4ce281aa7c490e4875d42f2a636b646

    SHA1

    905856c73244c8ab9e63428d11fa72bf30a43318

    SHA256

    a7d12073f495d3cd283a035466502de0dc8a00d8689b6a8d489f74e50c160abb

    SHA512

    bbf835fd67fcce2c8d000452159c3aa32a0ac7a60aa0fa28b4d0672b72efd0a14aec1e63b42de2c849389cd943be7bca7b6e075ad2844a1db06a3396df689813

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    f4ce281aa7c490e4875d42f2a636b646

    SHA1

    905856c73244c8ab9e63428d11fa72bf30a43318

    SHA256

    a7d12073f495d3cd283a035466502de0dc8a00d8689b6a8d489f74e50c160abb

    SHA512

    bbf835fd67fcce2c8d000452159c3aa32a0ac7a60aa0fa28b4d0672b72efd0a14aec1e63b42de2c849389cd943be7bca7b6e075ad2844a1db06a3396df689813

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    f4ce281aa7c490e4875d42f2a636b646

    SHA1

    905856c73244c8ab9e63428d11fa72bf30a43318

    SHA256

    a7d12073f495d3cd283a035466502de0dc8a00d8689b6a8d489f74e50c160abb

    SHA512

    bbf835fd67fcce2c8d000452159c3aa32a0ac7a60aa0fa28b4d0672b72efd0a14aec1e63b42de2c849389cd943be7bca7b6e075ad2844a1db06a3396df689813

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    f4ce281aa7c490e4875d42f2a636b646

    SHA1

    905856c73244c8ab9e63428d11fa72bf30a43318

    SHA256

    a7d12073f495d3cd283a035466502de0dc8a00d8689b6a8d489f74e50c160abb

    SHA512

    bbf835fd67fcce2c8d000452159c3aa32a0ac7a60aa0fa28b4d0672b72efd0a14aec1e63b42de2c849389cd943be7bca7b6e075ad2844a1db06a3396df689813

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    f4ce281aa7c490e4875d42f2a636b646

    SHA1

    905856c73244c8ab9e63428d11fa72bf30a43318

    SHA256

    a7d12073f495d3cd283a035466502de0dc8a00d8689b6a8d489f74e50c160abb

    SHA512

    bbf835fd67fcce2c8d000452159c3aa32a0ac7a60aa0fa28b4d0672b72efd0a14aec1e63b42de2c849389cd943be7bca7b6e075ad2844a1db06a3396df689813

  • memory/656-110-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/656-90-0x00000000004085D0-mapping.dmp
  • memory/656-114-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/748-56-0x000000000054D000-0x0000000000563000-memory.dmp
    Filesize

    88KB

  • memory/884-82-0x000000000056D000-0x0000000000582000-memory.dmp
    Filesize

    84KB

  • memory/884-78-0x0000000000000000-mapping.dmp
  • memory/1152-101-0x0000000000476940-mapping.dmp
  • memory/1152-99-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1152-113-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1152-111-0x0000000074711000-0x0000000074713000-memory.dmp
    Filesize

    8KB

  • memory/1152-109-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1152-106-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1152-93-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1152-108-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1152-97-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1152-94-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1504-63-0x00000000004085D0-mapping.dmp
  • memory/1504-62-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1504-61-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1504-107-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1504-65-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1504-66-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1504-69-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1504-59-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1504-70-0x0000000074FB1000-0x0000000074FB3000-memory.dmp
    Filesize

    8KB

  • memory/1504-58-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1716-73-0x0000000000000000-mapping.dmp
  • memory/2008-71-0x0000000000000000-mapping.dmp