Analysis

  • max time kernel
    95s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-09-2024 09:53

General

  • Target

    cf6305a67821101a2613f779dfb463a776b2353f0fe81ceeaf1c5c70039e5d7b.exe

  • Size

    147KB

  • MD5

    fd68012fa7c5c63d393aa44b039cd193

  • SHA1

    62084644f50562eefc223c0b505f77ba1d953e5e

  • SHA256

    cf6305a67821101a2613f779dfb463a776b2353f0fe81ceeaf1c5c70039e5d7b

  • SHA512

    98d00d758303473040a509ffecf938a976702707fa1fb8ef98f8b2df4ef9ce7ef2ff714a11f1284bfff31a9edb62144f797cddff24394faded5e156fbe475077

  • SSDEEP

    1536:CzICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDYM3UFLzhoDGBxkFQBoBml6ziNS:BqJogYkcSNm9V7DDENzyqxkbml6BbBT

Malware Config

Signatures

  • Renames multiple (628) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops desktop.ini file(s) 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cf6305a67821101a2613f779dfb463a776b2353f0fe81ceeaf1c5c70039e5d7b.exe
    "C:\Users\Admin\AppData\Local\Temp\cf6305a67821101a2613f779dfb463a776b2353f0fe81ceeaf1c5c70039e5d7b.exe"
    1⤵
    • Drops desktop.ini file(s)
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2412658365-3084825385-3340777666-1000\BBBBBBBBBBB

    Filesize

    129B

    MD5

    42eab12ae3eb9f176bd9bb41f05b92b9

    SHA1

    cbf2697af3cc8090b3bc4d667eb5bb0cb86e0adc

    SHA256

    eaab2fcb3413041e410c5a4570227896c12baefcb4ff52dcc75d873091365a9e

    SHA512

    0f1806be7cb1241514baa987bc552930523fd6c0c178aa479718ddfce6b6102d3e782d94bd022b3e260f12cdad2324e77bd311ce133333cac23915153c75a9bc

  • C:\kHvolaMJY.README.txt

    Filesize

    1KB

    MD5

    41358c851ca028b4c82f3c5c1ca6440f

    SHA1

    3832debb114a0421006e94ddaae45805baafbbb5

    SHA256

    66244691ed831b280edb737ef21d9b1159a59e4aa07bafcfa53db2b3f76b55f3

    SHA512

    9df88a2d71591c9eae7a38a29046168602a6966cb280d311b22f4157169bd6fe58672a11c3e324b3074bb838101e659634e4769501abc79bb4f27a949f0de01b

  • F:\$RECYCLE.BIN\S-1-5-21-2412658365-3084825385-3340777666-1000\DDDDDDDDDDD

    Filesize

    129B

    MD5

    21eb5ebbdb197d1af3ef89d0ac49284e

    SHA1

    3750a9f307d8d1f3dd8c900f22b6a88d50569e04

    SHA256

    753bef1574b96b8c6bca75052d0f4f80c4b0caea5fe8e461a7bc675b9c492192

    SHA512

    56b98b7dee257cc47f4d1f227b185a797836b2271af382036ee1ce3faaa67c05c5bebf3fef66edfe37ef257742fb94486fd2dffc054d410f81a99f15134f3410

  • memory/2568-2-0x0000000002B70000-0x0000000002B80000-memory.dmp

    Filesize

    64KB

  • memory/2568-1-0x0000000002B70000-0x0000000002B80000-memory.dmp

    Filesize

    64KB

  • memory/2568-0-0x0000000002B70000-0x0000000002B80000-memory.dmp

    Filesize

    64KB