Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-09-2024 05:26

General

  • Target

    e649a5c8838d9a9e17216c8442a0ee49002f8cc4007eb211e5b7c3e86ed1c18b.exe

  • Size

    2.4MB

  • MD5

    ceb194e4413b99123c5ed4b4a5f26f14

  • SHA1

    5d12c8afaaf0e776b0362d4d6c3a649ccdd9001c

  • SHA256

    e649a5c8838d9a9e17216c8442a0ee49002f8cc4007eb211e5b7c3e86ed1c18b

  • SHA512

    0dd5683b8198f4f02a69b40dfd9ff5f42aa9cbaacd27f096374cac2b4c546208d481f143632b635c20e43e9a9f7eef47d5ad340559f66592e3343d6a11bff4ab

  • SSDEEP

    49152:tR/laMbYAp7s5nceEv7MuGOe4jPyTmE7ZIIKR01GSM8prnoo:tRNvpAceMjGL4jaCE7ZGCxh

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

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

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 19 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Maps connected drives based on registry 3 TTPs 6 IoCs

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

  • Drops file in System32 directory 64 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e649a5c8838d9a9e17216c8442a0ee49002f8cc4007eb211e5b7c3e86ed1c18b.exe
    "C:\Users\Admin\AppData\Local\Temp\e649a5c8838d9a9e17216c8442a0ee49002f8cc4007eb211e5b7c3e86ed1c18b.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3496
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4116
      • C:\Windows\SysWOW64\smnss.exe
        C:\Windows\system32\smnss.exe
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Maps connected drives based on registry
        • Drops file in System32 directory
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    ad8c46327f5ec51186ccea43c515f1a2

    SHA1

    0edf9d6845ade68aa5fc04da56092117a0867d4f

    SHA256

    d6018b6333a45677a96bc0a756521b6decd1e416908400aa198e7cca1e815a41

    SHA512

    c4a19b93b40c265daeda54d7e02b307276ac282b877fde96faeda5032fd5f8e506191f9e6e256d97d52a87c9ebd1ce318162838773ba5572a827c139bc07d4aa

  • C:\Windows\SysWOW64\grcopy.dll

    Filesize

    2.4MB

    MD5

    4734bbf0fd01ef4e7a2b59a6f61af641

    SHA1

    83e58b88afebeaad25a96d3cc000e7d2e58734d9

    SHA256

    99da216b4e616348c9a0bd0181707caf4429d9ad9159663839a31eab6461a6f7

    SHA512

    b1df6daa53cb204442c5368fd29481d364089753b9069198942de5ca6a99e2d389c928fb8ea45fe1251f7e1d4aac82bb47dad11fab41a4b1883bb47ffca4d3f5

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    9e2d9b966b60a99da931a4f74d31343a

    SHA1

    8d0c9ea996e4b7808ab841372fe8ac339c1f6880

    SHA256

    488922f47c81c02dd90b85c99b90fec1e0577b0e006bbc88404097b9599db07f

    SHA512

    9f39daaf8744e45d530d26a455e448319a0a6a2cdb0a970a27019cffd6b54d90c860babc4f3219f70ee67987ce6e4cef2fea59cba05206eb956072dbb756a22b

  • C:\Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    6363a50ecfcd9682959e9074bc8a4e39

    SHA1

    2cb0bb56dd324460a7687093f562a633c23db3e5

    SHA256

    dcdaffdffb5be7b30a3f59472f2c776c272c0a6848b6cf25b0aeda4ef4da583b

    SHA512

    be6e86890ff9a1fc479535bc27328c6e71e44dc8484cc8d393d9c75c1146506a539f60df65c156f14224db8d0aa033d9917dc8eb1833e63f931b1ba4de50ff8b

  • memory/1056-56-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/1056-54-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/1056-70-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/1056-68-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/1056-66-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/1056-64-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/1056-33-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/1056-62-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/1056-34-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/1056-40-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/1056-60-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/1056-42-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/1056-45-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/1056-43-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/1056-44-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/1056-46-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/1056-48-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/1056-50-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/1056-52-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/1056-58-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/3496-0-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/3496-15-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/3496-1-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/3496-25-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/3496-32-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/3496-27-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/4116-31-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4116-22-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB