Analysis

  • max time kernel
    189s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 19:32

General

  • Target

    e95362f5e4ddb0bfcb5b7d0f9c80311d8781511a44a47b3402ef187d4faa350b.exe

  • Size

    208KB

  • MD5

    09ceed4da2fd23a712beece8dd76f250

  • SHA1

    745291d4a37a0cc590d80b99849598d9dff1835d

  • SHA256

    e95362f5e4ddb0bfcb5b7d0f9c80311d8781511a44a47b3402ef187d4faa350b

  • SHA512

    8df0a53845c359844bdaee8a5cbe219a5344595b3f98adf9c9e1b3678cb62b23050257a96a90118155b9d686e2c5f277f2fcdf6118af478afe8d18d4f89e17ab

  • SSDEEP

    1536:Vfuxw10lxJM5y8w5OZRVmgyDl+cWaxJcveQZNTRSb3EBAR1AlQPsxjheYhpXN5yh:f0OtF2Qo7VsJgisxlYegEX0ZZbW

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • UPX packed file 14 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\e95362f5e4ddb0bfcb5b7d0f9c80311d8781511a44a47b3402ef187d4faa350b.exe
    "C:\Users\Admin\AppData\Local\Temp\e95362f5e4ddb0bfcb5b7d0f9c80311d8781511a44a47b3402ef187d4faa350b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1744
    • C:\Users\Admin\AppData\Local\Temp\e95362f5e4ddb0bfcb5b7d0f9c80311d8781511a44a47b3402ef187d4faa350b.exe
      "C:\Users\Admin\AppData\Local\Temp\e95362f5e4ddb0bfcb5b7d0f9c80311d8781511a44a47b3402ef187d4faa350b.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1900
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\UMIDT.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:808
        • 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:888
      • 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:1060
        • 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:1936
        • 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:1532

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

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

    141B

    MD5

    e83a2e0b3c1e03dfb96ffd9924117a45

    SHA1

    27a3e4ba115ba1bad0bf094f5b97e768d1ece33e

    SHA256

    655407d94fff9e707712a588d97a2017cc1c9d690a67c688ed0abcb79e452b13

    SHA512

    5f61686a3b7db3544d83a4f2ce1a75868c7dc266709f72a34eafecc3a26696a985b1912a559aed8f5a2cacbfe26be9beae2374340d1801bb18473de785557480

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

    208KB

    MD5

    975e0545e588e977a852bdd47532d6b2

    SHA1

    111affbf1e222767dfbfe34c16d1d37406b0bd21

    SHA256

    7e0d4aca9e15ace5c602598d6f5ed12cd4b4b0ffeaa29c3888635e71c943f27d

    SHA512

    4b83cfde22b23b87b63f13e19bacad01086739730f48d15d43aaacb853377a1d5507f838740a922919456fd13c3a1094d1dfb0a5176cac0c4fda5b632debe651

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

    208KB

    MD5

    975e0545e588e977a852bdd47532d6b2

    SHA1

    111affbf1e222767dfbfe34c16d1d37406b0bd21

    SHA256

    7e0d4aca9e15ace5c602598d6f5ed12cd4b4b0ffeaa29c3888635e71c943f27d

    SHA512

    4b83cfde22b23b87b63f13e19bacad01086739730f48d15d43aaacb853377a1d5507f838740a922919456fd13c3a1094d1dfb0a5176cac0c4fda5b632debe651

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

    208KB

    MD5

    975e0545e588e977a852bdd47532d6b2

    SHA1

    111affbf1e222767dfbfe34c16d1d37406b0bd21

    SHA256

    7e0d4aca9e15ace5c602598d6f5ed12cd4b4b0ffeaa29c3888635e71c943f27d

    SHA512

    4b83cfde22b23b87b63f13e19bacad01086739730f48d15d43aaacb853377a1d5507f838740a922919456fd13c3a1094d1dfb0a5176cac0c4fda5b632debe651

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

    208KB

    MD5

    975e0545e588e977a852bdd47532d6b2

    SHA1

    111affbf1e222767dfbfe34c16d1d37406b0bd21

    SHA256

    7e0d4aca9e15ace5c602598d6f5ed12cd4b4b0ffeaa29c3888635e71c943f27d

    SHA512

    4b83cfde22b23b87b63f13e19bacad01086739730f48d15d43aaacb853377a1d5507f838740a922919456fd13c3a1094d1dfb0a5176cac0c4fda5b632debe651

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

    208KB

    MD5

    975e0545e588e977a852bdd47532d6b2

    SHA1

    111affbf1e222767dfbfe34c16d1d37406b0bd21

    SHA256

    7e0d4aca9e15ace5c602598d6f5ed12cd4b4b0ffeaa29c3888635e71c943f27d

    SHA512

    4b83cfde22b23b87b63f13e19bacad01086739730f48d15d43aaacb853377a1d5507f838740a922919456fd13c3a1094d1dfb0a5176cac0c4fda5b632debe651

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

    208KB

    MD5

    975e0545e588e977a852bdd47532d6b2

    SHA1

    111affbf1e222767dfbfe34c16d1d37406b0bd21

    SHA256

    7e0d4aca9e15ace5c602598d6f5ed12cd4b4b0ffeaa29c3888635e71c943f27d

    SHA512

    4b83cfde22b23b87b63f13e19bacad01086739730f48d15d43aaacb853377a1d5507f838740a922919456fd13c3a1094d1dfb0a5176cac0c4fda5b632debe651

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

    208KB

    MD5

    975e0545e588e977a852bdd47532d6b2

    SHA1

    111affbf1e222767dfbfe34c16d1d37406b0bd21

    SHA256

    7e0d4aca9e15ace5c602598d6f5ed12cd4b4b0ffeaa29c3888635e71c943f27d

    SHA512

    4b83cfde22b23b87b63f13e19bacad01086739730f48d15d43aaacb853377a1d5507f838740a922919456fd13c3a1094d1dfb0a5176cac0c4fda5b632debe651

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

    208KB

    MD5

    975e0545e588e977a852bdd47532d6b2

    SHA1

    111affbf1e222767dfbfe34c16d1d37406b0bd21

    SHA256

    7e0d4aca9e15ace5c602598d6f5ed12cd4b4b0ffeaa29c3888635e71c943f27d

    SHA512

    4b83cfde22b23b87b63f13e19bacad01086739730f48d15d43aaacb853377a1d5507f838740a922919456fd13c3a1094d1dfb0a5176cac0c4fda5b632debe651

  • memory/808-71-0x0000000000000000-mapping.dmp
  • memory/888-73-0x0000000000000000-mapping.dmp
  • memory/1060-78-0x0000000000000000-mapping.dmp
  • memory/1060-82-0x000000000058D000-0x00000000005A2000-memory.dmp
    Filesize

    84KB

  • memory/1532-99-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1532-95-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1532-111-0x0000000074E11000-0x0000000074E13000-memory.dmp
    Filesize

    8KB

  • memory/1532-109-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1532-107-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1532-106-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1532-100-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1532-101-0x0000000000476940-mapping.dmp
  • memory/1532-93-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1744-56-0x000000000056D000-0x0000000000583000-memory.dmp
    Filesize

    88KB

  • memory/1900-70-0x0000000075C81000-0x0000000075C83000-memory.dmp
    Filesize

    8KB

  • memory/1900-58-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1900-59-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1900-61-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1900-63-0x00000000004085D0-mapping.dmp
  • memory/1900-62-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1900-65-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1900-108-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1900-66-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1900-69-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1936-90-0x00000000004085D0-mapping.dmp
  • memory/1936-112-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB