Analysis

  • max time kernel
    182s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/10/2022, 17:58

General

  • Target

    a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe

  • Size

    171KB

  • MD5

    6880a05d8d25958b80fd27416bb57a25

  • SHA1

    25e34619d3921e2bd4cfdc222e872915334f5138

  • SHA256

    a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47

  • SHA512

    97c0f23476968ac89c3a3d9bafc78e3d4546ef106fffad652d2eba8797d8759f84b40848d5d313d3445614873cc3816c8d7361ea591e71eec0c7751ba959d89f

  • SSDEEP

    1536:JxqjQ+P04wsmJC/AMysrvCdqygA1srvCdqygA+:sr85Ccsb4gA1sb4gA+

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe
    "C:\Users\Admin\AppData\Local\Temp\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Users\Admin\AppData\Local\Temp\3582-490\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:1448

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\3582-490\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe

          Filesize

          130KB

          MD5

          713f6a152d67a1c9673ac63c9d1a4ca8

          SHA1

          067ca4b86fb3daa311faee59c2e155559c73db33

          SHA256

          a20ae7047a0fcfe59f07bd9b88d8590cbeaf55020a0257ab21ffa5aaae65215e

          SHA512

          ef5ec5b357dfd82baafc5283032710dac8e46ddc6cab101017085f90cc326b0195faa58a1cc44b279f3661249a5137d88a7ee9059fe07d06b794407b5032df66

        • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

          Filesize

          252KB

          MD5

          9e2b9928c89a9d0da1d3e8f4bd96afa7

          SHA1

          ec66cda99f44b62470c6930e5afda061579cde35

          SHA256

          8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

          SHA512

          2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

        • \Users\Admin\AppData\Local\Temp\3582-490\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe

          Filesize

          130KB

          MD5

          713f6a152d67a1c9673ac63c9d1a4ca8

          SHA1

          067ca4b86fb3daa311faee59c2e155559c73db33

          SHA256

          a20ae7047a0fcfe59f07bd9b88d8590cbeaf55020a0257ab21ffa5aaae65215e

          SHA512

          ef5ec5b357dfd82baafc5283032710dac8e46ddc6cab101017085f90cc326b0195faa58a1cc44b279f3661249a5137d88a7ee9059fe07d06b794407b5032df66

        • \Users\Admin\AppData\Local\Temp\3582-490\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe

          Filesize

          130KB

          MD5

          713f6a152d67a1c9673ac63c9d1a4ca8

          SHA1

          067ca4b86fb3daa311faee59c2e155559c73db33

          SHA256

          a20ae7047a0fcfe59f07bd9b88d8590cbeaf55020a0257ab21ffa5aaae65215e

          SHA512

          ef5ec5b357dfd82baafc5283032710dac8e46ddc6cab101017085f90cc326b0195faa58a1cc44b279f3661249a5137d88a7ee9059fe07d06b794407b5032df66

        • memory/1448-61-0x0000000000400000-0x0000000000419000-memory.dmp

          Filesize

          100KB

        • memory/1488-54-0x0000000075B41000-0x0000000075B43000-memory.dmp

          Filesize

          8KB

        • memory/1488-59-0x0000000002230000-0x0000000002249000-memory.dmp

          Filesize

          100KB

        • memory/1488-60-0x0000000002230000-0x0000000002249000-memory.dmp

          Filesize

          100KB

        • memory/1488-63-0x0000000002230000-0x0000000002249000-memory.dmp

          Filesize

          100KB

        • memory/1488-64-0x0000000002230000-0x0000000002249000-memory.dmp

          Filesize

          100KB