Analysis

  • max time kernel
    149s
  • max time network
    278s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-uk
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-uklocale:uk-uaos:windows10-2004-x64systemwindows
  • submitted
    17/08/2024, 19:50

General

  • Target

    superiorityFix‮lld..scr

  • Size

    7.9MB

  • MD5

    be92f99f33ee6550e6f8c43b2ee1fe03

  • SHA1

    f8521a26ea702df23985af4b43e59119c8895544

  • SHA256

    07a97ead754a2e394483fb32eec4f6f2cb063d497089ef1fb03b942b6a371d03

  • SHA512

    bf8a5600e2e0782075e7d52c6936a0045bc53bf8210136fc60f1966b76856f450e0ad755edd3f07e7274ca57c1e043ddd96ea23c128286d774a9e9b84ad1d37e

  • SSDEEP

    98304:GaslCx7oFJWk5THpvT3L7mn5Uz8203h/R2dt5TinhX:G3CKnWQTH5m5UbaZcpTi

Malware Config

Extracted

Family

sharpstealer

C2

https://api.telegram.org/bot7033911549:AAFm822dQHF6seFxiy7DwDnEM71DQula7cY/sendMessage?chat_id=6942274023

Attributes
  • max_exfil_filesize

    1.5e+06

  • proxy_port

    168.235.103.57:3128

  • vime_world

    false

aes.plain

Signatures

  • Sharp Stealer

    Sharp Stealer is an infostealer first observed in 2024, based on Echelon and Umbral stealers.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Looks up external IP address via web service 5 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\superiorityFix‮lld..scr
    "C:\Users\Admin\AppData\Local\Temp\superiorityFix‮lld..scr" /S
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1084
    • C:\Users\Admin\AppData\LocalqufdyMhDsk.exe
      "C:\Users\Admin\AppData\LocalqufdyMhDsk.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2964
      • C:\Users\Admin\AppData\Local\Temp\windows.exe
        "C:\Users\Admin\AppData\Local\Temp\windows.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:468

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\868c94f9-8c5e-4f20-b752-8573974db397

          Filesize

          48KB

          MD5

          349e6eb110e34a08924d92f6b334801d

          SHA1

          bdfb289daff51890cc71697b6322aa4b35ec9169

          SHA256

          c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a

          SHA512

          2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574

        • C:\Users\Admin\AppData\Local\Temp\BouncyCastle.Crypto.dll

          Filesize

          3.2MB

          MD5

          0cf454b6ed4d9e46bc40306421e4b800

          SHA1

          9611aa929d35cbd86b87e40b628f60d5177d2411

          SHA256

          e51721dc0647f4838b1abc592bd95fd8cb924716e8a64f83d4b947821fa1fa42

          SHA512

          85262f1bc67a89911640f59a759b476b30ca644bd1a1d9cd3213cc8aae16d7cc6ea689815f19b146db1d26f7a75772ceb48e71e27940e3686a83eb2cf7e46048

        • C:\Users\Admin\AppData\Local\Temp\Newtonsoft.Json.dll

          Filesize

          695KB

          MD5

          195ffb7167db3219b217c4fd439eedd6

          SHA1

          1e76e6099570ede620b76ed47cf8d03a936d49f8

          SHA256

          e1e27af7b07eeedf5ce71a9255f0422816a6fc5849a483c6714e1b472044fa9d

          SHA512

          56eb7f070929b239642dab729537dde2c2287bdb852ad9e80b5358c74b14bc2b2dded910d0e3b6304ea27eb587e5f19db0a92e1cbae6a70fb20b4ef05057e4ac

        • C:\Users\Admin\AppData\Local\Temp\SQLite.Interop.dll

          Filesize

          1.7MB

          MD5

          a73fdfb6815b151848257eca042a42ef

          SHA1

          73f18e6b4d1f638e7ce2a7ad36635018482f2c55

          SHA256

          10c9ccec863ed80850c7b7080e4f2e34b133ce259d1ae3ea7a305cebf6e2940d

          SHA512

          111f5a7bd916ab317fc127cbf49a2a81c2a614ce3a655a0446f2ebf3c2e61509db5633a391bef06c4ba0b58a71c752262ec2467a09abc56827263c647b08a09d

        • C:\Users\Admin\AppData\Local\Temp\System.Data.SQLite.dll

          Filesize

          402KB

          MD5

          b0911d27918a1e20088b4e6b6ec29ad3

          SHA1

          93a285c96a4d391ea4fe6655caaa0bbf2ee52683

          SHA256

          24043ef4472d9d035cd1a8294f68d2bbfdf76f5455af80c09c89e64f6ed15917

          SHA512

          518da2e73b849be38570d7db218adeb47f85fde89c15dac577eb1446a9a55bb4cfaf31d371428b9c4f0c69c0be3e2cb10fafcadbec24e8ab793b639392e3f029

        • C:\Users\Admin\AppData\Local\Temp\tmp9860.tmp.dat

          Filesize

          116KB

          MD5

          f70aa3fa04f0536280f872ad17973c3d

          SHA1

          50a7b889329a92de1b272d0ecf5fce87395d3123

          SHA256

          8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8

          SHA512

          30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

        • C:\Users\Admin\AppData\Local\Temp\tmp9867.tmp.dat

          Filesize

          124KB

          MD5

          9618e15b04a4ddb39ed6c496575f6f95

          SHA1

          1c28f8750e5555776b3c80b187c5d15a443a7412

          SHA256

          a4cd72e529e60b5f74c50e4e5b159efaf80625f23534dd15a28203760b8b28ab

          SHA512

          f802582aa7510f6b950e3343b0560ffa9037c6d22373a6a33513637ab0f8e60ed23294a13ad8890935b02c64830b5232ba9f60d0c0fe90df02b5da30ecd7fa26

        • C:\Users\Admin\AppData\Local\Temp\windows.exe

          Filesize

          396KB

          MD5

          2faf9f22db741b5aa08f154827a989f6

          SHA1

          441c6773c370df023e8cc7ad2f09a71662f69d87

          SHA256

          2c80a1708464ab129dca397ae4576a285e6bd553ec810f7e4e6a61801ecc2b18

          SHA512

          96a51b02adb518bc13e38d5e06b9c3f05f0da84c89c72a181a1082e552196e886ad4a7f8a27281e00e44b36c14d31ac8088eb71237c04460308d30a2609cd50c

        • C:\Users\Admin\AppData\LocalqufdyMhDsk.exe

          Filesize

          4.1MB

          MD5

          3b255d9bfc63ddf4bf11dc46ac0ca230

          SHA1

          f6b5abb79b2a3c2d626ef0a8afbd7ecd4669f8bd

          SHA256

          daf4826e3300ecaab08f0af439151dc6b0603633994bad62df7c34e92dc52dc3

          SHA512

          5582c96ec5def8b82949a7c4a18dd7551889e764bf802d990847d8189131a457b34bb6f748a0217808725862fd2d6ad95f4fd35af769a424109cc30fc44466d3

        • C:\Новая папка\Process.txt

          Filesize

          744B

          MD5

          2abd5d8398c76a78b6c29767080902de

          SHA1

          5015e55117fd68733a6c307fdfa40ebe4ef23cb9

          SHA256

          760bf1a38b2db9d6a6512239041dfe284a0e52e11dcf6544ac0c77885b528b90

          SHA512

          cee01f2ace7d76175d883321b193236e9c0c94c07c067083a09e212718977c5decc1c6638447461a08170fcbe20c60b5658c6edd7501c57cefd811c5411745e0

        • C:\Новая папка\Process.txt

          Filesize

          1KB

          MD5

          557fd48264703582875b5797bcb1ee59

          SHA1

          a41e0e543a254a9be008d2341f65887323f71df2

          SHA256

          22724ab90f5fbd1e03a1b53ab9f1d1fce4263c0062368e72ba694c23446343c4

          SHA512

          41653d8b0c09e88a5cd9f7521c6518284cb465ee743f72d1908d663417c4dc0f95df0fb5d04b6e4a75fa86afe465f98a2604d4ba1404295a8973a777a72f086a

        • C:\Новая папка\Process.txt

          Filesize

          1KB

          MD5

          3be985ba45cdc9c24ef5311851df3f27

          SHA1

          2d8d4015d88b38fa7af518ae97f2cc6dffc5bc1e

          SHA256

          31109eb51b533c18ad7078a71a5b07939c40b95224d1b661eb6a991ec06f1284

          SHA512

          0758bfcac56b634a9c7045f5e4e6e2e5c77741445b53abfa9755842a6d50faf4be5607db62389fd85093a62ed0b42007fd9508966f298a3baa7aaf22edc6ccba

        • memory/468-98-0x0000014C7CCC0000-0x0000014C7CCE2000-memory.dmp

          Filesize

          136KB

        • memory/468-107-0x0000014C7CDC0000-0x0000014C7CDFA000-memory.dmp

          Filesize

          232KB

        • memory/468-224-0x00007FF86BAB3000-0x00007FF86BAB5000-memory.dmp

          Filesize

          8KB

        • memory/468-97-0x0000014C7CD40000-0x0000014C7CDB6000-memory.dmp

          Filesize

          472KB

        • memory/468-100-0x0000014C7CE30000-0x0000014C7CE96000-memory.dmp

          Filesize

          408KB

        • memory/468-95-0x0000014C7CC00000-0x0000014C7CCB2000-memory.dmp

          Filesize

          712KB

        • memory/468-102-0x0000014C7D540000-0x0000014C7D86E000-memory.dmp

          Filesize

          3.2MB

        • memory/468-35-0x0000014C7A1F0000-0x0000014C7A25A000-memory.dmp

          Filesize

          424KB

        • memory/468-108-0x0000014C7BFD0000-0x0000014C7BFF6000-memory.dmp

          Filesize

          152KB

        • memory/468-96-0x0000014C7CB90000-0x0000014C7CBE0000-memory.dmp

          Filesize

          320KB

        • memory/468-112-0x0000014C7E500000-0x0000014C7E6C2000-memory.dmp

          Filesize

          1.8MB

        • memory/468-34-0x00007FF86BAB3000-0x00007FF86BAB5000-memory.dmp

          Filesize

          8KB

        • memory/468-208-0x0000014C7CCF0000-0x0000014C7CD0E000-memory.dmp

          Filesize

          120KB

        • memory/1084-3-0x00007FF877BD0000-0x00007FF878571000-memory.dmp

          Filesize

          9.6MB

        • memory/1084-1-0x00007FF877BD0000-0x00007FF878571000-memory.dmp

          Filesize

          9.6MB

        • memory/1084-13-0x00007FF877BD0000-0x00007FF878571000-memory.dmp

          Filesize

          9.6MB

        • memory/1084-0-0x00007FF877E85000-0x00007FF877E86000-memory.dmp

          Filesize

          4KB