Analysis

  • max time kernel
    121s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-01-2023 22:44

General

  • Target

    d74c5647d791583241baa5061e0063c9.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 19 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Uses the VBS compiler for execution 1 TTPs
  • 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d74c5647d791583241baa5061e0063c9.exe
    "C:\Users\Admin\AppData\Local\Temp\d74c5647d791583241baa5061e0063c9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5040
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe"
      2⤵
        PID:2568
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.exe"
        2⤵
          PID:1304
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
          "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe"
          2⤵
            PID:3528
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
            "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe"
            2⤵
              PID:5028
            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe
              "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe"
              2⤵
                PID:2248
              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_wp.exe
                "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_wp.exe"
                2⤵
                  PID:1028
                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
                  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe"
                  2⤵
                    PID:724
                  • 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:1032
                    • C:\Users\Admin\AppData\Roaming\x01QvMGk.exe
                      "C:\Users\Admin\AppData\Roaming\x01QvMGk.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:1412
                      • 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:3604
                    • C:\Users\Admin\AppData\Roaming\CSJjkhi7.exe
                      "C:\Users\Admin\AppData\Roaming\CSJjkhi7.exe"
                      3⤵
                      • Executes dropped EXE
                      • Suspicious use of WriteProcessMemory
                      PID:400
                      • 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\CSJjkhi7.exe
                        4⤵
                        • Suspicious use of WriteProcessMemory
                        PID:508
                        • C:\Windows\system32\choice.exe
                          choice /C Y /N /D Y /T 0
                          5⤵
                            PID:3716

                  Network

                  MITRE ATT&CK Matrix ATT&CK v6

                  Execution

                  Scripting

                  1
                  T1064

                  Persistence

                  Registry Run Keys / Startup Folder

                  1
                  T1060

                  Defense Evasion

                  Virtualization/Sandbox Evasion

                  1
                  T1497

                  Scripting

                  1
                  T1064

                  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\LocalLow\mozglue.dll
                    Filesize

                    612KB

                    MD5

                    f07d9977430e762b563eaadc2b94bbfa

                    SHA1

                    da0a05b2b8d269fb73558dfcf0ed5c167f6d3877

                    SHA256

                    4191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862

                    SHA512

                    6afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf

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

                    1.9MB

                    MD5

                    f67d08e8c02574cbc2f1122c53bfb976

                    SHA1

                    6522992957e7e4d074947cad63189f308a80fcf2

                    SHA256

                    c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e

                    SHA512

                    2e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5

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

                    1.0MB

                    MD5

                    dbf4f8dcefb8056dc6bae4b67ff810ce

                    SHA1

                    bbac1dd8a07c6069415c04b62747d794736d0689

                    SHA256

                    47b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68

                    SHA512

                    b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1

                  • C:\Users\Admin\AppData\Roaming\CSJjkhi7.exe
                    Filesize

                    7.4MB

                    MD5

                    7c3c33a79f460a4536433f5ba99b3fcd

                    SHA1

                    2a3d9abc1a733453804213b8bf24f14bfa5cd581

                    SHA256

                    88dbf134cd4628fc8b97cc1adf5201cae875df1fa5280b3cbc0306478161e9f4

                    SHA512

                    0e4330014b00e1eb3318692862574f7142ce97be02ebd3c00932aec99e236196652f7f7ea95aef7cf3b2501c0c167ce17772bafdebe998a638678e990c7368c4

                  • C:\Users\Admin\AppData\Roaming\CSJjkhi7.exe
                    Filesize

                    7.4MB

                    MD5

                    7c3c33a79f460a4536433f5ba99b3fcd

                    SHA1

                    2a3d9abc1a733453804213b8bf24f14bfa5cd581

                    SHA256

                    88dbf134cd4628fc8b97cc1adf5201cae875df1fa5280b3cbc0306478161e9f4

                    SHA512

                    0e4330014b00e1eb3318692862574f7142ce97be02ebd3c00932aec99e236196652f7f7ea95aef7cf3b2501c0c167ce17772bafdebe998a638678e990c7368c4

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

                    826.3MB

                    MD5

                    d44a35500eea4149b3fac56b765e737b

                    SHA1

                    076319764db4493a28a69ffce4bdfe066fdf631c

                    SHA256

                    30a444b8aec744d474a63ba498f9ae0b3dc0ff81231ffb94e7ee11d149aff15f

                    SHA512

                    68d0a7ae84448cca52f3bd8d356ffbdb8a5ee9c8560d311072576aa736d955485d6737c9c2e61c5772fe7d9763064b840f34732a356ea4833e9a3dbb8a86e207

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

                    826.3MB

                    MD5

                    d44a35500eea4149b3fac56b765e737b

                    SHA1

                    076319764db4493a28a69ffce4bdfe066fdf631c

                    SHA256

                    30a444b8aec744d474a63ba498f9ae0b3dc0ff81231ffb94e7ee11d149aff15f

                    SHA512

                    68d0a7ae84448cca52f3bd8d356ffbdb8a5ee9c8560d311072576aa736d955485d6737c9c2e61c5772fe7d9763064b840f34732a356ea4833e9a3dbb8a86e207

                  • C:\Users\Admin\AppData\Roaming\x01QvMGk.exe
                    Filesize

                    7.3MB

                    MD5

                    0ab7518c28166568e4df9081588c868f

                    SHA1

                    4de900f0946695bb8b6edf5a7a1d5fe22a36494b

                    SHA256

                    1ba92583e7d14373cccd6972cd66dd9557858d3bcfae934f6b8bcef9d932f347

                    SHA512

                    1dce4e2ddaeaf05229a4f4d3b500526b203264f963d1254551bc6d984632eaf6ceeab1c930d8e73de0f163c5e8cb359c208e6d4ac7ccc39ce31a3ca24358511b

                  • C:\Users\Admin\AppData\Roaming\x01QvMGk.exe
                    Filesize

                    7.3MB

                    MD5

                    0ab7518c28166568e4df9081588c868f

                    SHA1

                    4de900f0946695bb8b6edf5a7a1d5fe22a36494b

                    SHA256

                    1ba92583e7d14373cccd6972cd66dd9557858d3bcfae934f6b8bcef9d932f347

                    SHA512

                    1dce4e2ddaeaf05229a4f4d3b500526b203264f963d1254551bc6d984632eaf6ceeab1c930d8e73de0f163c5e8cb359c208e6d4ac7ccc39ce31a3ca24358511b

                  • memory/400-149-0x0000000000000000-mapping.dmp
                  • memory/508-158-0x0000000000000000-mapping.dmp
                  • memory/1032-139-0x0000000000400000-0x000000000041E000-memory.dmp
                    Filesize

                    120KB

                  • memory/1032-137-0x0000000000400000-0x000000000041E000-memory.dmp
                    Filesize

                    120KB

                  • memory/1032-143-0x0000000000400000-0x000000000041E000-memory.dmp
                    Filesize

                    120KB

                  • memory/1032-135-0x00000000004088ED-mapping.dmp
                  • memory/1032-134-0x0000000000400000-0x000000000041E000-memory.dmp
                    Filesize

                    120KB

                  • memory/1412-154-0x0000000000050000-0x0000000000A64000-memory.dmp
                    Filesize

                    10.1MB

                  • memory/1412-163-0x0000000000050000-0x0000000000A64000-memory.dmp
                    Filesize

                    10.1MB

                  • memory/1412-151-0x0000000000050000-0x0000000000A64000-memory.dmp
                    Filesize

                    10.1MB

                  • memory/1412-150-0x00007FFF063D0000-0x00007FFF065C5000-memory.dmp
                    Filesize

                    2.0MB

                  • memory/1412-147-0x0000000000050000-0x0000000000A64000-memory.dmp
                    Filesize

                    10.1MB

                  • memory/1412-148-0x0000000000050000-0x0000000000A64000-memory.dmp
                    Filesize

                    10.1MB

                  • memory/1412-155-0x0000000000050000-0x0000000000A64000-memory.dmp
                    Filesize

                    10.1MB

                  • memory/1412-156-0x0000000000050000-0x0000000000A64000-memory.dmp
                    Filesize

                    10.1MB

                  • memory/1412-157-0x0000000000050000-0x0000000000A64000-memory.dmp
                    Filesize

                    10.1MB

                  • memory/1412-144-0x0000000000000000-mapping.dmp
                  • memory/1412-165-0x00007FFF063D0000-0x00007FFF065C5000-memory.dmp
                    Filesize

                    2.0MB

                  • memory/3604-168-0x0000000000730000-0x0000000001144000-memory.dmp
                    Filesize

                    10.1MB

                  • memory/3604-170-0x0000000000730000-0x0000000001144000-memory.dmp
                    Filesize

                    10.1MB

                  • memory/3604-173-0x0000000000730000-0x0000000001144000-memory.dmp
                    Filesize

                    10.1MB

                  • memory/3604-160-0x0000000000000000-mapping.dmp
                  • memory/3604-172-0x00007FFF063D0000-0x00007FFF065C5000-memory.dmp
                    Filesize

                    2.0MB

                  • memory/3604-164-0x0000000000730000-0x0000000001144000-memory.dmp
                    Filesize

                    10.1MB

                  • memory/3604-166-0x00007FFF063D0000-0x00007FFF065C5000-memory.dmp
                    Filesize

                    2.0MB

                  • memory/3604-167-0x0000000000730000-0x0000000001144000-memory.dmp
                    Filesize

                    10.1MB

                  • memory/3604-171-0x0000000000730000-0x0000000001144000-memory.dmp
                    Filesize

                    10.1MB

                  • memory/3604-169-0x0000000000730000-0x0000000001144000-memory.dmp
                    Filesize

                    10.1MB

                  • memory/3716-159-0x0000000000000000-mapping.dmp
                  • memory/5040-138-0x00007FFEE8EE0000-0x00007FFEE99A1000-memory.dmp
                    Filesize

                    10.8MB

                  • memory/5040-132-0x0000023B29060000-0x0000023B290C8000-memory.dmp
                    Filesize

                    416KB

                  • memory/5040-133-0x00007FFEE8EE0000-0x00007FFEE99A1000-memory.dmp
                    Filesize

                    10.8MB