Analysis

  • max time kernel
    131s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2022 05:01

General

  • Target

    1e7d01b0d657aa8d8e02ff7694e4e796a52dd4494041359169f8fadd941725f4.exe

  • Size

    936KB

  • MD5

    67e16aea96d434f88392085ba3375de2

  • SHA1

    aa22231b16915e537131a8ae5bc084948c99836c

  • SHA256

    1e7d01b0d657aa8d8e02ff7694e4e796a52dd4494041359169f8fadd941725f4

  • SHA512

    c2fb391a0574fb3b97e14b03a0f97506e679103aef87bbe3717f145c66e7338fdfbc7ce7510abe08fc1605e76daafe863d419d949a97815a216f1140783d36fe

  • SSDEEP

    24576:n6wVCzymgQO1/8VW6LRpwHSMvfWD2lgOkSQPOBtyv:n6hjgQO1/8wP3jBtyv

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 2 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 12 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1e7d01b0d657aa8d8e02ff7694e4e796a52dd4494041359169f8fadd941725f4.exe
    "C:\Users\Admin\AppData\Local\Temp\1e7d01b0d657aa8d8e02ff7694e4e796a52dd4494041359169f8fadd941725f4.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:2024
    • C:\Users\Admin\AppData\Local\Temp\3582-490\1e7d01b0d657aa8d8e02ff7694e4e796a52dd4494041359169f8fadd941725f4.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\1e7d01b0d657aa8d8e02ff7694e4e796a52dd4494041359169f8fadd941725f4.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      PID:1284
      • C:\Windows\W7SBC\res.exe
        C:\Windows\W7SBC\res.exe -extract C:\Windows\explorer.exe, C:\Windows\W7SBC\cur.bmp, Bitmap, 6801,
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        PID:1564

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\1e7d01b0d657aa8d8e02ff7694e4e796a52dd4494041359169f8fadd941725f4.exe

    Filesize

    896KB

    MD5

    fc93a311e8b6456c77d5e910ff6eff3a

    SHA1

    650198e4e1ddd588887b6abb431b55bfbfac938b

    SHA256

    6c92965feb7f901b56d3b949ee2cdace9c9fc9f4ebf7cdf46056a62581f60371

    SHA512

    4bef7810f13fba0985912ebe7a634923b75bb5230995de679fefc5d17194280f1fc569a0d00eea41375ba6af891e98f592dc6daa88cf9b0d99e8b3bab4b8e5d2

  • C:\Users\Admin\AppData\Local\Temp\3582-490\1e7d01b0d657aa8d8e02ff7694e4e796a52dd4494041359169f8fadd941725f4.exe

    Filesize

    896KB

    MD5

    fc93a311e8b6456c77d5e910ff6eff3a

    SHA1

    650198e4e1ddd588887b6abb431b55bfbfac938b

    SHA256

    6c92965feb7f901b56d3b949ee2cdace9c9fc9f4ebf7cdf46056a62581f60371

    SHA512

    4bef7810f13fba0985912ebe7a634923b75bb5230995de679fefc5d17194280f1fc569a0d00eea41375ba6af891e98f592dc6daa88cf9b0d99e8b3bab4b8e5d2

  • C:\Windows\W7SBC\cur.bmp

    Filesize

    34KB

    MD5

    7d4072be9c7929fc8187d78af6a1c6d2

    SHA1

    44593b17b347470117091ccc0d98d1c508dc637c

    SHA256

    94368025ae8cfcab80b2ae56f76d43f80377e853f184c3174d36f8dd0e842831

    SHA512

    cc706085c5b1f91dccff8b287df5b91038af6cfe9cdeeb43369fbad4354f93bd7af41e726e5e87bec4ced1414f87ef85680687d4e6877311408edde8ef79a421

  • C:\Windows\W7SBC\res.exe

    Filesize

    803KB

    MD5

    c1dcd84493fe5c98542eab9dbd95040c

    SHA1

    2df675c211b5c00e7b52f5be6661fd470bc80fd1

    SHA256

    6d28cf1876ef94d33b23bddc65fd006f79c791992cd58b2fc1b398f1c2a8dcc3

    SHA512

    b33411e0b96fa0a3e3e005a7b3861e0e9734f7ae28b726b1a102ca2cc89dd5b62dcb185b092c06142b86b193a39208caea3f84bac01788460f6c842a985d5d8c

  • \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\1e7d01b0d657aa8d8e02ff7694e4e796a52dd4494041359169f8fadd941725f4.exe

    Filesize

    896KB

    MD5

    fc93a311e8b6456c77d5e910ff6eff3a

    SHA1

    650198e4e1ddd588887b6abb431b55bfbfac938b

    SHA256

    6c92965feb7f901b56d3b949ee2cdace9c9fc9f4ebf7cdf46056a62581f60371

    SHA512

    4bef7810f13fba0985912ebe7a634923b75bb5230995de679fefc5d17194280f1fc569a0d00eea41375ba6af891e98f592dc6daa88cf9b0d99e8b3bab4b8e5d2

  • \Users\Admin\AppData\Local\Temp\3582-490\1e7d01b0d657aa8d8e02ff7694e4e796a52dd4494041359169f8fadd941725f4.exe

    Filesize

    896KB

    MD5

    fc93a311e8b6456c77d5e910ff6eff3a

    SHA1

    650198e4e1ddd588887b6abb431b55bfbfac938b

    SHA256

    6c92965feb7f901b56d3b949ee2cdace9c9fc9f4ebf7cdf46056a62581f60371

    SHA512

    4bef7810f13fba0985912ebe7a634923b75bb5230995de679fefc5d17194280f1fc569a0d00eea41375ba6af891e98f592dc6daa88cf9b0d99e8b3bab4b8e5d2

  • memory/1284-60-0x000007FEF3EF0000-0x000007FEF4913000-memory.dmp

    Filesize

    10.1MB

  • memory/1284-61-0x000007FEEDE40000-0x000007FEEEED6000-memory.dmp

    Filesize

    16.6MB

  • memory/1284-63-0x0000000000440000-0x00000000004C0000-memory.dmp

    Filesize

    512KB

  • memory/1284-68-0x0000000000440000-0x00000000004C0000-memory.dmp

    Filesize

    512KB

  • memory/2024-54-0x0000000075F81000-0x0000000075F83000-memory.dmp

    Filesize

    8KB