Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-11-2024 06:22

General

  • Target

    a97a5ecd42151529c27f906dfb11bd335e6971adb65c21c19c704c4f5811834bN.exe

  • Size

    90KB

  • MD5

    5d1ef86c50d176d32871af04a4d62ef0

  • SHA1

    445026a7ba0567573f9e3ea62d4a48fa49883435

  • SHA256

    a97a5ecd42151529c27f906dfb11bd335e6971adb65c21c19c704c4f5811834b

  • SHA512

    3907f0b87df4630bfb40ac227e584cb0993c4e36164032a22f39eb46ce86e30185f6a46735f47bff74b3accb7bab3c7dc29070bd7a563aaa05269a990b2c0ef5

  • SSDEEP

    1536:nxqjQ+P04wsmDCPQXwhjEj73Ux/199cnwp9OVSwB5:+r8zCPQg1EHkx/199cnwp0z

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • 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.

  • 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 1 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\a97a5ecd42151529c27f906dfb11bd335e6971adb65c21c19c704c4f5811834bN.exe
    "C:\Users\Admin\AppData\Local\Temp\a97a5ecd42151529c27f906dfb11bd335e6971adb65c21c19c704c4f5811834bN.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
    PID:4336

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    d056d92bbf77387acade82346ef9115f

    SHA1

    a7398f87918cd448a849983059ca2bba7ce3ce73

    SHA256

    d3a5502deefce266b74bdb625f675da6d79984db1d13f6fb1b6e87fec39e7dab

    SHA512

    1e3b49fc92939218bc255afb06b006b4ca5a4819e40a214e93bd73f583c87b0591954a9ce6bf37e6dcb0c5dcb0350026c8e069827a6611ae66f0325b6977e0bc

  • C:\Users\Admin\AppData\Local\Temp\3582-490\a97a5ecd42151529c27f906dfb11bd335e6971adb65c21c19c704c4f5811834bN.exe

    Filesize

    50KB

    MD5

    835b88f79f35a56b3df471c62fbebf37

    SHA1

    46d8b67a2638da0cc62ad2bbbcd469835d478d60

    SHA256

    e1de07d9129d4d743737700b313e12846c11fc357b8e0a731677a06033209397

    SHA512

    038f67858d79c6fde5afdd1d35633f334bd44a03e86c1e5b507077a17a10ad4d25588b74cfff147edd96e8aea3772beede528fc07236990baabd66b088f6aec8

  • memory/4336-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4336-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4336-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB