Analysis

  • max time kernel
    122s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    16-07-2023 13:50

General

  • Target

    Bat_To_Exe_Converter.exe

  • Size

    267KB

  • MD5

    8c9c29e59baf663d0b071b9efdec3bea

  • SHA1

    dbb8afc9bab40bf175322840b01d474303c38daf

  • SHA256

    b4d092bdd58610ec77ef6713fe7559c39a52f77d37f8a3c5044e1b95e98f969e

  • SHA512

    5dcdb29f21c758af40c65b96e2ae2bfa3a24388fb1c924118e258b90af2ed59b676122229de424c2c26f5050e643e4a8b3add3eaa5df6c4ba361b115cecbefd3

  • SSDEEP

    6144:EJZKBI0RyYeY4eoiJ+sCFvTK2/LZZ3Ru79kkkkkkkkkkkkkkkkskkkkkkkkkkkkq:1yYrZos+xFv5RupkkkkkkkkkkkkkkkkZ

Malware Config

Signatures

  • VanillaRat

    VanillaRat is an advanced remote administration tool coded in C#.

  • Vanilla Rat payload 12 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe
    "C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1588
    • C:\Users\Admin\svchost.exe
      "C:\Users\Admin\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2032
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        PID:2992

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\svchost.exe

    Filesize

    115KB

    MD5

    2e5422412d23d9f1c1dff78719447728

    SHA1

    00440171a8963d4454aa8e63fb3a25fd85585091

    SHA256

    3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03

    SHA512

    77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521

  • C:\Users\Admin\AppData\Roaming\svchost.exe

    Filesize

    115KB

    MD5

    2e5422412d23d9f1c1dff78719447728

    SHA1

    00440171a8963d4454aa8e63fb3a25fd85585091

    SHA256

    3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03

    SHA512

    77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521

  • C:\Users\Admin\svchost.exe

    Filesize

    115KB

    MD5

    2e5422412d23d9f1c1dff78719447728

    SHA1

    00440171a8963d4454aa8e63fb3a25fd85585091

    SHA256

    3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03

    SHA512

    77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521

  • C:\Users\Admin\svchost.exe

    Filesize

    115KB

    MD5

    2e5422412d23d9f1c1dff78719447728

    SHA1

    00440171a8963d4454aa8e63fb3a25fd85585091

    SHA256

    3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03

    SHA512

    77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521

  • C:\Users\Admin\svchost.exe

    Filesize

    115KB

    MD5

    2e5422412d23d9f1c1dff78719447728

    SHA1

    00440171a8963d4454aa8e63fb3a25fd85585091

    SHA256

    3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03

    SHA512

    77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521

  • \Users\Admin\AppData\Roaming\svchost.exe

    Filesize

    115KB

    MD5

    2e5422412d23d9f1c1dff78719447728

    SHA1

    00440171a8963d4454aa8e63fb3a25fd85585091

    SHA256

    3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03

    SHA512

    77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521

  • \Users\Admin\svchost.exe

    Filesize

    115KB

    MD5

    2e5422412d23d9f1c1dff78719447728

    SHA1

    00440171a8963d4454aa8e63fb3a25fd85585091

    SHA256

    3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03

    SHA512

    77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521

  • memory/1588-64-0x00000000749B0000-0x000000007509E000-memory.dmp

    Filesize

    6.9MB

  • memory/1588-54-0x0000000000070000-0x00000000000BA000-memory.dmp

    Filesize

    296KB

  • memory/1588-55-0x00000000749B0000-0x000000007509E000-memory.dmp

    Filesize

    6.9MB

  • memory/2032-67-0x0000000002180000-0x00000000021C0000-memory.dmp

    Filesize

    256KB

  • memory/2032-65-0x0000000000150000-0x0000000000172000-memory.dmp

    Filesize

    136KB

  • memory/2032-66-0x00000000749B0000-0x000000007509E000-memory.dmp

    Filesize

    6.9MB

  • memory/2032-76-0x00000000749B0000-0x000000007509E000-memory.dmp

    Filesize

    6.9MB

  • memory/2992-75-0x0000000000A00000-0x0000000000A22000-memory.dmp

    Filesize

    136KB

  • memory/2992-77-0x00000000749B0000-0x000000007509E000-memory.dmp

    Filesize

    6.9MB

  • memory/2992-78-0x0000000004C10000-0x0000000004C50000-memory.dmp

    Filesize

    256KB

  • memory/2992-79-0x00000000749B0000-0x000000007509E000-memory.dmp

    Filesize

    6.9MB

  • memory/2992-80-0x0000000004C10000-0x0000000004C50000-memory.dmp

    Filesize

    256KB