Analysis

  • max time kernel
    99s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-08-2024 10:19

General

  • Target

    f6bdb0cefd4ca2a9434b06209e8cc1b0N.exe

  • Size

    4.1MB

  • MD5

    f6bdb0cefd4ca2a9434b06209e8cc1b0

  • SHA1

    388143051950d52623a344c55374a0475d989399

  • SHA256

    48f335a436377ecd29c32a3f7790f4ad433bab2cd9105dd14a306b518e2ca312

  • SHA512

    760e8f37ee2c79c13f8d2998fbcd35995ecb16503eb4fc6a0ffda9ee3f2dfff0dab2e26cde55394af10781cc099eadce77c46d71a84bc755e97943946071dcc1

  • SSDEEP

    98304:ECc2wTe2PmtPM0jaeORJL1yKWe2i6fv34XkoG44nIMi1vycjUuyO26:EC700qXL1ueKfQXelI2yUKN

Malware Config

Extracted

Family

sharpstealer

C2

https://api.telegram.org/bot7190885870:AAHYSkoef0HEA3D0nTDOMHDqdBh3WW8pb1U/sendMessage?chat_id=6345674054

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 1 IoCs

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

  • Executes dropped EXE 1 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f6bdb0cefd4ca2a9434b06209e8cc1b0N.exe
    "C:\Users\Admin\AppData\Local\Temp\f6bdb0cefd4ca2a9434b06209e8cc1b0N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Users\Admin\AppData\Local\Temp\windows.exe
      "C:\Users\Admin\AppData\Local\Temp\windows.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\0477e95d-0987-4d6c-854b-7880416bc858

    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\tmp99CC.tmp.dat

    Filesize

    116KB

    MD5

    f70aa3fa04f0536280f872ad17973c3d

    SHA1

    50a7b889329a92de1b272d0ecf5fce87395d3123

    SHA256

    8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8

    SHA512

    30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

  • C:\Users\Admin\AppData\Local\Temp\tmp99CF.tmp.dat

    Filesize

    124KB

    MD5

    9618e15b04a4ddb39ed6c496575f6f95

    SHA1

    1c28f8750e5555776b3c80b187c5d15a443a7412

    SHA256

    a4cd72e529e60b5f74c50e4e5b159efaf80625f23534dd15a28203760b8b28ab

    SHA512

    f802582aa7510f6b950e3343b0560ffa9037c6d22373a6a33513637ab0f8e60ed23294a13ad8890935b02c64830b5232ba9f60d0c0fe90df02b5da30ecd7fa26

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

    Filesize

    396KB

    MD5

    ac41676c6d1777b33bf5003e666ee6bb

    SHA1

    ee074b5b8f450b2c2eb5fddcc3a2421e43064e22

    SHA256

    029e70c35cf8003b655f5f243139012580f7262b1314c3c9f6dfca4ce6178abd

    SHA512

    805f5d91fcbd7d9e58664597813ad8eadc6bba25d6de1dc4610be0b28b55541ed7d7ca74e73567f011bc1897db73abec29c976ba54ba0d564ff17e36381821e2

  • C:\Новая папка\Process.txt

    Filesize

    1KB

    MD5

    96941811daa18dffc1ffcc7a7d67d697

    SHA1

    bf5766d00b1530143e3c20c1fc5dd99b48306040

    SHA256

    5d56121e75785508eb8c0cbfe062a00799e1e4bc4ad5cb60d2b9558031d463fb

    SHA512

    4e465385230ba3c2fc06eb6cc9eb46a616aad65bea60bfba051c64ef19e299140214a6752dbc6c3c16f92372049acf1b4659a14b0fa71cb0708e27be76844207

  • memory/4652-84-0x000002379E700000-0x000002379E776000-memory.dmp

    Filesize

    472KB

  • memory/4652-95-0x000002379E550000-0x000002379E576000-memory.dmp

    Filesize

    152KB

  • memory/4652-87-0x000002379E680000-0x000002379E6E6000-memory.dmp

    Filesize

    408KB

  • memory/4652-85-0x0000023785840000-0x0000023785862000-memory.dmp

    Filesize

    136KB

  • memory/4652-21-0x0000023783B60000-0x0000023783BCA000-memory.dmp

    Filesize

    424KB

  • memory/4652-90-0x000002379F420000-0x000002379F74E000-memory.dmp

    Filesize

    3.2MB

  • memory/4652-83-0x000002379E500000-0x000002379E550000-memory.dmp

    Filesize

    320KB

  • memory/4652-22-0x00007FFEDC840000-0x00007FFEDD301000-memory.dmp

    Filesize

    10.8MB

  • memory/4652-94-0x000002379F0F0000-0x000002379F12A000-memory.dmp

    Filesize

    232KB

  • memory/4652-97-0x00000237A0E50000-0x00000237A1012000-memory.dmp

    Filesize

    1.8MB

  • memory/4652-58-0x000002379E5C0000-0x000002379E672000-memory.dmp

    Filesize

    712KB

  • memory/4652-20-0x00007FFEDC843000-0x00007FFEDC845000-memory.dmp

    Filesize

    8KB

  • memory/4652-193-0x000002379F130000-0x000002379F14E000-memory.dmp

    Filesize

    120KB

  • memory/4652-195-0x00007FFEDC840000-0x00007FFEDD301000-memory.dmp

    Filesize

    10.8MB