Analysis

  • max time kernel
    44s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 21:32

General

  • Target

    5ea6e05b132d0d86ee45087b2a9147c7e5a87a92e519db9dfb91c5d337917732.exe

  • Size

    968KB

  • MD5

    9eef5461fff193f73726f129d31b9174

  • SHA1

    f98f61077e3185fb31ddb2135288cbe4fb66c599

  • SHA256

    5ea6e05b132d0d86ee45087b2a9147c7e5a87a92e519db9dfb91c5d337917732

  • SHA512

    1e4d79da56a4cb9c4cd42556d9a73c0986f3bd269d8362ee661f454c30a6ab65090e469825705a461121a3fe28d0839e55e8c014b96509911b15c57196564d2c

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 2 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 1 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\5ea6e05b132d0d86ee45087b2a9147c7e5a87a92e519db9dfb91c5d337917732.exe
    "C:\Users\Admin\AppData\Local\Temp\5ea6e05b132d0d86ee45087b2a9147c7e5a87a92e519db9dfb91c5d337917732.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:1992
    • C:\Users\Admin\AppData\Local\Temp\3582-490\5ea6e05b132d0d86ee45087b2a9147c7e5a87a92e519db9dfb91c5d337917732.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\5ea6e05b132d0d86ee45087b2a9147c7e5a87a92e519db9dfb91c5d337917732.exe"
      2⤵
      • Executes dropped EXE
      PID:1612

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\5ea6e05b132d0d86ee45087b2a9147c7e5a87a92e519db9dfb91c5d337917732.exe

    Filesize

    928KB

    MD5

    2705a27f42599c04c6f7ebf1e3862fd3

    SHA1

    11035fc37bec733cf2926240ac1d4b19fd2c01f6

    SHA256

    578251af97fedee79e2d562e7d107bf3e787a66f851e6d77780a8c9bb4d86256

    SHA512

    9d3eda4f11095a2bbd3a4f9c63c9d4aba15e7e59580e925b918013351c30d18af89c1a9e1a1e2dec05babf91575bac4e271a7491ed5954408ac39da5380b5709

  • C:\Users\Admin\AppData\Local\Temp\3582-490\5ea6e05b132d0d86ee45087b2a9147c7e5a87a92e519db9dfb91c5d337917732.exe

    Filesize

    928KB

    MD5

    2705a27f42599c04c6f7ebf1e3862fd3

    SHA1

    11035fc37bec733cf2926240ac1d4b19fd2c01f6

    SHA256

    578251af97fedee79e2d562e7d107bf3e787a66f851e6d77780a8c9bb4d86256

    SHA512

    9d3eda4f11095a2bbd3a4f9c63c9d4aba15e7e59580e925b918013351c30d18af89c1a9e1a1e2dec05babf91575bac4e271a7491ed5954408ac39da5380b5709

  • \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\5ea6e05b132d0d86ee45087b2a9147c7e5a87a92e519db9dfb91c5d337917732.exe

    Filesize

    928KB

    MD5

    2705a27f42599c04c6f7ebf1e3862fd3

    SHA1

    11035fc37bec733cf2926240ac1d4b19fd2c01f6

    SHA256

    578251af97fedee79e2d562e7d107bf3e787a66f851e6d77780a8c9bb4d86256

    SHA512

    9d3eda4f11095a2bbd3a4f9c63c9d4aba15e7e59580e925b918013351c30d18af89c1a9e1a1e2dec05babf91575bac4e271a7491ed5954408ac39da5380b5709

  • memory/1612-56-0x0000000000000000-mapping.dmp

  • memory/1992-54-0x0000000074E91000-0x0000000074E93000-memory.dmp

    Filesize

    8KB