Analysis

  • max time kernel
    141s
  • max time network
    149s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    19-01-2023 21:57

General

  • Target

    bac6488f76da4691540401614bc665dfc5bec8d875cb26e72870c65ac43fe268.exe

  • Size

    394KB

  • MD5

    d74c5647d791583241baa5061e0063c9

  • SHA1

    e404c6041dca2f3b767231e38dfca8faecca10ca

  • SHA256

    bac6488f76da4691540401614bc665dfc5bec8d875cb26e72870c65ac43fe268

  • SHA512

    7a60a3dc49c64f35a7d9b8838e45cb687f023778f65feb3c89d2465306bf1bfc300022e0ac1fbc7c2f5f8c69ce6b2bf78cabf2519a0919552d14ea4734ab579e

  • SSDEEP

    12288:rkNkHyWEXeqvQYVby7+OLn2yTp/uzdGDHpc:skDqvQYV+qOL2y9/uzdGL

Malware Config

Extracted

Family

raccoon

Botnet

6c8968d2498b99bf2d581580178f5f14

C2

http://krrkrkrgsa.ink/

rc4.plain

Signatures

  • Raccoon

    Raccoon is an infostealer written in C++ and first seen in 2019.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 8 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • GoLang User-Agent 1 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bac6488f76da4691540401614bc665dfc5bec8d875cb26e72870c65ac43fe268.exe
    "C:\Users\Admin\AppData\Local\Temp\bac6488f76da4691540401614bc665dfc5bec8d875cb26e72870c65ac43fe268.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5004
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe"
      2⤵
        PID:4380
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AppLaunch.exe"
        2⤵
          PID:4456
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe
          "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe"
          2⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:5040
          • C:\Users\Admin\AppData\Roaming\99xVit7Z.exe
            "C:\Users\Admin\AppData\Roaming\99xVit7Z.exe"
            3⤵
            • Identifies VirtualBox via ACPI registry values (likely anti-VM)
            • Executes dropped EXE
            • Checks BIOS information in registry
            • Adds Run key to start application
            • Checks whether UAC is enabled
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of WriteProcessMemory
            PID:2144
            • C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
              C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
              4⤵
              • Identifies VirtualBox via ACPI registry values (likely anti-VM)
              • Executes dropped EXE
              • Checks BIOS information in registry
              • Checks whether UAC is enabled
              • Suspicious use of NtSetInformationThreadHideFromDebugger
              PID:3336
          • C:\Users\Admin\AppData\Roaming\54fr6e6t.exe
            "C:\Users\Admin\AppData\Roaming\54fr6e6t.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4168
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Roaming\54fr6e6t.exe
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:3492
              • C:\Windows\system32\choice.exe
                choice /C Y /N /D Y /T 0
                5⤵
                  PID:3636

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Persistence

        Registry Run Keys / Startup Folder

        1
        T1060

        Defense Evasion

        Virtualization/Sandbox Evasion

        1
        T1497

        Modify Registry

        1
        T1112

        Credential Access

        Credentials in Files

        2
        T1081

        Discovery

        Query Registry

        2
        T1012

        Virtualization/Sandbox Evasion

        1
        T1497

        System Information Discovery

        2
        T1082

        Collection

        Data from Local System

        2
        T1005

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\54fr6e6t.exe
          Filesize

          7.4MB

          MD5

          7c3c33a79f460a4536433f5ba99b3fcd

          SHA1

          2a3d9abc1a733453804213b8bf24f14bfa5cd581

          SHA256

          88dbf134cd4628fc8b97cc1adf5201cae875df1fa5280b3cbc0306478161e9f4

          SHA512

          0e4330014b00e1eb3318692862574f7142ce97be02ebd3c00932aec99e236196652f7f7ea95aef7cf3b2501c0c167ce17772bafdebe998a638678e990c7368c4

        • C:\Users\Admin\AppData\Roaming\54fr6e6t.exe
          Filesize

          7.4MB

          MD5

          7c3c33a79f460a4536433f5ba99b3fcd

          SHA1

          2a3d9abc1a733453804213b8bf24f14bfa5cd581

          SHA256

          88dbf134cd4628fc8b97cc1adf5201cae875df1fa5280b3cbc0306478161e9f4

          SHA512

          0e4330014b00e1eb3318692862574f7142ce97be02ebd3c00932aec99e236196652f7f7ea95aef7cf3b2501c0c167ce17772bafdebe998a638678e990c7368c4

        • C:\Users\Admin\AppData\Roaming\99xVit7Z.exe
          Filesize

          7.3MB

          MD5

          0ab7518c28166568e4df9081588c868f

          SHA1

          4de900f0946695bb8b6edf5a7a1d5fe22a36494b

          SHA256

          1ba92583e7d14373cccd6972cd66dd9557858d3bcfae934f6b8bcef9d932f347

          SHA512

          1dce4e2ddaeaf05229a4f4d3b500526b203264f963d1254551bc6d984632eaf6ceeab1c930d8e73de0f163c5e8cb359c208e6d4ac7ccc39ce31a3ca24358511b

        • C:\Users\Admin\AppData\Roaming\99xVit7Z.exe
          Filesize

          7.3MB

          MD5

          0ab7518c28166568e4df9081588c868f

          SHA1

          4de900f0946695bb8b6edf5a7a1d5fe22a36494b

          SHA256

          1ba92583e7d14373cccd6972cd66dd9557858d3bcfae934f6b8bcef9d932f347

          SHA512

          1dce4e2ddaeaf05229a4f4d3b500526b203264f963d1254551bc6d984632eaf6ceeab1c930d8e73de0f163c5e8cb359c208e6d4ac7ccc39ce31a3ca24358511b

        • C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
          Filesize

          806.3MB

          MD5

          fd2060d96f14f352aa1c8201cf790158

          SHA1

          ee0a6b84858e61a92b2c99ff0965c0cc1edf4b8b

          SHA256

          ef0aec5f696e1eeb30d814d3e7c630c5a53b9333ddd833961d8a7eb545991288

          SHA512

          1cd18b252165fe92b7fbee50365e0af92c003b5db1e4fbbaf92a5404b5c11c15c4ebc41b337acb39d9dacdb5d7282d58aa014b925bf5b6b8dd280518fafe3c82

        • C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
          Filesize

          806.3MB

          MD5

          fd2060d96f14f352aa1c8201cf790158

          SHA1

          ee0a6b84858e61a92b2c99ff0965c0cc1edf4b8b

          SHA256

          ef0aec5f696e1eeb30d814d3e7c630c5a53b9333ddd833961d8a7eb545991288

          SHA512

          1cd18b252165fe92b7fbee50365e0af92c003b5db1e4fbbaf92a5404b5c11c15c4ebc41b337acb39d9dacdb5d7282d58aa014b925bf5b6b8dd280518fafe3c82

        • \Users\Admin\AppData\LocalLow\mozglue.dll
          Filesize

          612KB

          MD5

          f07d9977430e762b563eaadc2b94bbfa

          SHA1

          da0a05b2b8d269fb73558dfcf0ed5c167f6d3877

          SHA256

          4191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862

          SHA512

          6afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf

        • \Users\Admin\AppData\LocalLow\nss3.dll
          Filesize

          1.9MB

          MD5

          f67d08e8c02574cbc2f1122c53bfb976

          SHA1

          6522992957e7e4d074947cad63189f308a80fcf2

          SHA256

          c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e

          SHA512

          2e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5

        • \Users\Admin\AppData\LocalLow\sqlite3.dll
          Filesize

          1.0MB

          MD5

          dbf4f8dcefb8056dc6bae4b67ff810ce

          SHA1

          bbac1dd8a07c6069415c04b62747d794736d0689

          SHA256

          47b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68

          SHA512

          b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1

        • memory/2144-202-0x00007FFFDCE40000-0x00007FFFDD01B000-memory.dmp
          Filesize

          1.9MB

        • memory/2144-198-0x00007FFFDCE40000-0x00007FFFDD01B000-memory.dmp
          Filesize

          1.9MB

        • memory/2144-203-0x0000000000B40000-0x0000000001554000-memory.dmp
          Filesize

          10.1MB

        • memory/2144-188-0x0000000000000000-mapping.dmp
        • memory/2144-191-0x0000000000B40000-0x0000000001554000-memory.dmp
          Filesize

          10.1MB

        • memory/3336-224-0x00007FFFDCE40000-0x00007FFFDD01B000-memory.dmp
          Filesize

          1.9MB

        • memory/3336-207-0x0000000000980000-0x0000000001394000-memory.dmp
          Filesize

          10.1MB

        • memory/3336-205-0x00007FFFDCE40000-0x00007FFFDD01B000-memory.dmp
          Filesize

          1.9MB

        • memory/3336-225-0x0000000000980000-0x0000000001394000-memory.dmp
          Filesize

          10.1MB

        • memory/3336-199-0x0000000000000000-mapping.dmp
        • memory/3492-222-0x0000000000000000-mapping.dmp
        • memory/3636-223-0x0000000000000000-mapping.dmp
        • memory/4168-212-0x0000000000000000-mapping.dmp
        • memory/5004-115-0x000002AA2D000000-0x000002AA2D068000-memory.dmp
          Filesize

          416KB

        • memory/5004-116-0x000002AA2EC00000-0x000002AA2EC5E000-memory.dmp
          Filesize

          376KB

        • memory/5040-155-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-168-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-137-0x0000000000400000-0x000000000041E000-memory.dmp
          Filesize

          120KB

        • memory/5040-138-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-139-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-140-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-141-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-142-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-143-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-144-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-146-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-145-0x0000000000400000-0x000000000041E000-memory.dmp
          Filesize

          120KB

        • memory/5040-147-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-148-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-150-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-149-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-151-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-152-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-153-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-154-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-135-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-156-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-157-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-158-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-159-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-160-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-161-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-162-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-163-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-164-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-165-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-166-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-167-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-136-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-169-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-170-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-171-0x0000000000400000-0x000000000041E000-memory.dmp
          Filesize

          120KB

        • memory/5040-173-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-174-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-175-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-177-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-178-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-179-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-181-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-182-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-183-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-184-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-134-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-133-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-132-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-131-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-130-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-129-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-128-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-127-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-126-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-125-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-124-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-122-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-121-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-185-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-186-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-221-0x0000000000400000-0x000000000041E000-memory.dmp
          Filesize

          120KB

        • memory/5040-120-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-119-0x0000000077BE0000-0x0000000077D6E000-memory.dmp
          Filesize

          1.6MB

        • memory/5040-118-0x00000000004088ED-mapping.dmp
        • memory/5040-117-0x0000000000400000-0x000000000041E000-memory.dmp
          Filesize

          120KB