Analysis

  • max time kernel
    151s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 17:00

General

  • Target

    f3cc94edcd84798f7fe8299311afaa9f5801ea241183125aa74e17e6dbd698f0.exe

  • Size

    140KB

  • MD5

    e25b989b80f9ec7344754fe47828f8d3

  • SHA1

    134653a26c79ec48c2ccfa1c9bb855e4fdb1cd25

  • SHA256

    f3cc94edcd84798f7fe8299311afaa9f5801ea241183125aa74e17e6dbd698f0

  • SHA512

    ebd662b8dc895a15708c2af4148bef8baf9a971ee9a07cbe8a9195a8381955946825d2a5574c47ded991998c766f8c350f1057501266e77bf637b2bce41711e1

  • SSDEEP

    1536:yOyiGUJJXGPteKPNA3aBn+ryflYTbHyHvbnMJ4LIfN+AzaNPPRu+RsA:yOOUnf6n+ryfuTbSP7MJ4mPzaZ/RsA

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f3cc94edcd84798f7fe8299311afaa9f5801ea241183125aa74e17e6dbd698f0.exe
    "C:\Users\Admin\AppData\Local\Temp\f3cc94edcd84798f7fe8299311afaa9f5801ea241183125aa74e17e6dbd698f0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Users\Admin\AppData\Local\Temp\f3cc94edcd84798f7fe8299311afaa9f5801ea241183125aa74e17e6dbd698f0.exe
      "C:\Users\Admin\AppData\Local\Temp\f3cc94edcd84798f7fe8299311afaa9f5801ea241183125aa74e17e6dbd698f0.exe"
      2⤵
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1620
      • C:\Windows\SysWOW64\msiexec.exe
        C:\Windows\SysWOW64\msiexec.exe
        3⤵
        • Modifies firewall policy service
        • Adds policy Run key to start application
        • Deletes itself
        • Loads dropped DLL
        • Drops file in Program Files directory
        • Suspicious use of WriteProcessMemory
        PID:1692
        • \??\c:\progra~3\dxvvltyg.exe
          c:\progra~3\dxvvltyg.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:240
          • \??\c:\progra~3\dxvvltyg.exe
            c:\progra~3\dxvvltyg.exe
            5⤵
            • Executes dropped EXE
            • Maps connected drives based on registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:1928
            • C:\Windows\SysWOW64\svchost.exe
              C:\Windows\SysWOW64\svchost.exe
              6⤵
              • Modifies firewall policy service
              PID:1112

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\PROGRA~3\dxvvltyg.exe
    Filesize

    140KB

    MD5

    e25b989b80f9ec7344754fe47828f8d3

    SHA1

    134653a26c79ec48c2ccfa1c9bb855e4fdb1cd25

    SHA256

    f3cc94edcd84798f7fe8299311afaa9f5801ea241183125aa74e17e6dbd698f0

    SHA512

    ebd662b8dc895a15708c2af4148bef8baf9a971ee9a07cbe8a9195a8381955946825d2a5574c47ded991998c766f8c350f1057501266e77bf637b2bce41711e1

  • C:\PROGRA~3\dxvvltyg.exe
    Filesize

    140KB

    MD5

    e25b989b80f9ec7344754fe47828f8d3

    SHA1

    134653a26c79ec48c2ccfa1c9bb855e4fdb1cd25

    SHA256

    f3cc94edcd84798f7fe8299311afaa9f5801ea241183125aa74e17e6dbd698f0

    SHA512

    ebd662b8dc895a15708c2af4148bef8baf9a971ee9a07cbe8a9195a8381955946825d2a5574c47ded991998c766f8c350f1057501266e77bf637b2bce41711e1

  • \??\c:\progra~3\dxvvltyg.exe
    Filesize

    140KB

    MD5

    e25b989b80f9ec7344754fe47828f8d3

    SHA1

    134653a26c79ec48c2ccfa1c9bb855e4fdb1cd25

    SHA256

    f3cc94edcd84798f7fe8299311afaa9f5801ea241183125aa74e17e6dbd698f0

    SHA512

    ebd662b8dc895a15708c2af4148bef8baf9a971ee9a07cbe8a9195a8381955946825d2a5574c47ded991998c766f8c350f1057501266e77bf637b2bce41711e1

  • \PROGRA~3\dxvvltyg.exe
    Filesize

    140KB

    MD5

    e25b989b80f9ec7344754fe47828f8d3

    SHA1

    134653a26c79ec48c2ccfa1c9bb855e4fdb1cd25

    SHA256

    f3cc94edcd84798f7fe8299311afaa9f5801ea241183125aa74e17e6dbd698f0

    SHA512

    ebd662b8dc895a15708c2af4148bef8baf9a971ee9a07cbe8a9195a8381955946825d2a5574c47ded991998c766f8c350f1057501266e77bf637b2bce41711e1

  • \PROGRA~3\dxvvltyg.exe
    Filesize

    140KB

    MD5

    e25b989b80f9ec7344754fe47828f8d3

    SHA1

    134653a26c79ec48c2ccfa1c9bb855e4fdb1cd25

    SHA256

    f3cc94edcd84798f7fe8299311afaa9f5801ea241183125aa74e17e6dbd698f0

    SHA512

    ebd662b8dc895a15708c2af4148bef8baf9a971ee9a07cbe8a9195a8381955946825d2a5574c47ded991998c766f8c350f1057501266e77bf637b2bce41711e1

  • memory/240-71-0x0000000000000000-mapping.dmp
  • memory/1112-85-0x0000000000000000-mapping.dmp
  • memory/1112-89-0x000000007EFA0000-0x000000007EFA6000-memory.dmp
    Filesize

    24KB

  • memory/1112-87-0x000000007EFA0000-0x000000007EFA6000-memory.dmp
    Filesize

    24KB

  • memory/1112-86-0x0000000000870000-0x0000000000878000-memory.dmp
    Filesize

    32KB

  • memory/1612-54-0x0000000076681000-0x0000000076683000-memory.dmp
    Filesize

    8KB

  • memory/1612-61-0x0000000000240000-0x0000000000246000-memory.dmp
    Filesize

    24KB

  • memory/1620-60-0x0000000000401B0E-mapping.dmp
  • memory/1620-64-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/1620-63-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/1620-59-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/1620-58-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/1620-56-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/1620-55-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/1692-69-0x000000007EFA0000-0x000000007EFA6000-memory.dmp
    Filesize

    24KB

  • memory/1692-68-0x0000000000090000-0x0000000000097000-memory.dmp
    Filesize

    28KB

  • memory/1692-67-0x0000000000590000-0x00000000005A4000-memory.dmp
    Filesize

    80KB

  • memory/1692-88-0x000000007EFA0000-0x000000007EFA6000-memory.dmp
    Filesize

    24KB

  • memory/1692-65-0x0000000000000000-mapping.dmp
  • memory/1928-81-0x0000000000401B0E-mapping.dmp