Analysis

  • max time kernel
    93s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-01-2025 21:55

General

  • Target

    2786207121d916feda1ed1ca807d73d3f7bd83f30b1c7ea5f1f3318bc9743016.exe

  • Size

    291KB

  • MD5

    567d1b7e15635bc78738507a7fef46ce

  • SHA1

    3b1447c485bfb790b05fba3af1f6fae16b5ba8f8

  • SHA256

    2786207121d916feda1ed1ca807d73d3f7bd83f30b1c7ea5f1f3318bc9743016

  • SHA512

    fc6dc3dec850e2505b26ba99024cbcae9af4715845337ff67608bef7479476faf50b6e3ce43cc99bedb5bc687bc20ed97b3f8b7caf9941816c9373952151d94f

  • SSDEEP

    3072:zr8WDrCcOhtHZx2BdTcyWubf0zw16ysYrlMQrwN2FZE2HBlhwUMwc51NjcVVnLpM:PuzheayWuT3R0IBHqLw4NeZWD

Malware Config

Signatures

  • Neshta

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

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 9 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2786207121d916feda1ed1ca807d73d3f7bd83f30b1c7ea5f1f3318bc9743016.exe
    "C:\Users\Admin\AppData\Local\Temp\2786207121d916feda1ed1ca807d73d3f7bd83f30b1c7ea5f1f3318bc9743016.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3996
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2786207121d916feda1ed1ca807d73d3f7bd83f30b1c7ea5f1f3318bc9743016.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2786207121d916feda1ed1ca807d73d3f7bd83f30b1c7ea5f1f3318bc9743016.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2364
      • C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
        "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\3582-490\
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

    Filesize

    2.4MB

    MD5

    d9e8a1fa55faebd36ed2342fedefbedd

    SHA1

    c25cc7f0035488de9c5df0121a09b5100e1c28e9

    SHA256

    bd7696911d75a9a35dfd125b24cb95003f1e9598592df47fa23a2568986a4a9a

    SHA512

    134644c68bd04536e9ea0a5da6e334d36b1ce8012a061fa6dabd31f85c16a1ac9eee8c40fee3d55f25c4d4edf0672de8ce204e344c800361cbcff092c09d7a33

  • C:\Users\Admin\AppData\Local\Temp\3582-490\2786207121d916feda1ed1ca807d73d3f7bd83f30b1c7ea5f1f3318bc9743016.exe

    Filesize

    250KB

    MD5

    e60a778c157b3ce0cb62a596fdd50f2d

    SHA1

    94cf8ba534ba800c1db4afba93a06727ff14c888

    SHA256

    e5db9a461a7e78d589c3cb780e3d61a7ebabc155b9b51cec665329661e9cb910

    SHA512

    ca4726db6fddf4e8ff209416b386f168b4de2f48831feaabec6731b398863dd6f39388567507b073b1c3290b548bdd6588117d83f52aa2b6312bef1e0669ad4c

  • C:\Users\Admin\AppData\Local\Temp\nsx66AA.tmp\FindProcDLL.dll

    Filesize

    3KB

    MD5

    b4faf654de4284a89eaf7d073e4e1e63

    SHA1

    8efcfd1ca648e942cbffd27af429784b7fcf514b

    SHA256

    c0948b2ec36a69f82c08935fac4b212238b6792694f009b93b4bdb478c4f26e3

    SHA512

    eef31e332be859cf2a64c928bf3b96442f36fe51f1a372c5628264a0d4b2fc7b3e670323c8fb5ffa72db995b8924da2555198e7de7b4f549d9e0f9e6dbb6b388

  • C:\Users\Admin\AppData\Local\Temp\nsx66AA.tmp\INetC.dll

    Filesize

    24KB

    MD5

    640bff73a5f8e37b202d911e4749b2e9

    SHA1

    9588dd7561ab7de3bca392b084bec91f3521c879

    SHA256

    c1e568e25ec111184deb1b87cfda4bfec529b1abeab39b66539d998012f33502

    SHA512

    39c6c358e2b480c8cbebcc1da683924c8092fb2947f2da4a8df1b0dc1fdda61003d91d12232a436ec88ff4e0995b7f6ee8c6efbdca935eaa984001f7a72fea0a

  • C:\Users\Admin\AppData\Local\Temp\nsx66AA.tmp\System.dll

    Filesize

    12KB

    MD5

    cff85c549d536f651d4fb8387f1976f2

    SHA1

    d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

    SHA256

    8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

    SHA512

    531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

  • C:\Users\Admin\AppData\Local\Temp\nsx66AA.tmp\UAC.dll

    Filesize

    14KB

    MD5

    adb29e6b186daa765dc750128649b63d

    SHA1

    160cbdc4cb0ac2c142d361df138c537aa7e708c9

    SHA256

    2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

    SHA512

    b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

  • C:\Users\Admin\AppData\Local\Temp\nsx66AA.tmp\nsDialogs.dll

    Filesize

    9KB

    MD5

    6c3f8c94d0727894d706940a8a980543

    SHA1

    0d1bcad901be377f38d579aafc0c41c0ef8dcefd

    SHA256

    56b96add1978b1abba286f7f8982b0efbe007d4a48b3ded6a4d408e01d753fe2

    SHA512

    2094f0e4bb7c806a5ff27f83a1d572a5512d979eefda3345baff27d2c89e828f68466d08c3ca250da11b01fc0407a21743037c25e94fbe688566dd7deaebd355

  • C:\Users\Admin\AppData\Local\Temp\nsx66AA.tmp\nsisFirewall.dll

    Filesize

    8KB

    MD5

    f5bf81a102de52a4add21b8a367e54e0

    SHA1

    cf1e76ffe4a3ecd4dad453112afd33624f16751c

    SHA256

    53be5716ad80945cb99681d5dbda60492f5dfb206fbfdb776b769b3eeb18d2c2

    SHA512

    6e280a75f706474ad31b2ce770fa34f54cb598528fac4477c466200a608b79c0f9b84011545595d9ba94331ad08e2f51bd42de91f92379db27686a28ba351256

  • memory/3996-117-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3996-135-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3996-137-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB