Analysis

  • max time kernel
    128s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-07-2024 05:35

General

  • Target

    WeChatSetup.exe

  • Size

    245.2MB

  • MD5

    7377170ac9bfd90d056012af8613c310

  • SHA1

    e1c44dd59cad4c513fe6384fad5accc10cdfecec

  • SHA256

    243f3743b7c0353104dffd185aa6d754407e7b31c3840e30fdc5ec66d7f1c11b

  • SHA512

    3919294ef33107540ae1f4fe4bec93c74126ebb900000869d8f08ec528668b34e35673b29c266a3fd9e666112f49ade7ff187956ecc08572f05009a09e9bb931

  • SSDEEP

    6291456:Z1jOBQPyYOKF7+6aYG9R1BWj15Do2ATZTNRF4uHio/KjNf:ZZOBQEg+6KWpmBNP4uHfKjNf

Score
4/10

Malware Config

Signatures

  • Loads dropped DLL 18 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\WeChatSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\WeChatSetup.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    PID:2868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nstDAF1.tmp\FindProcDLL.dll

    Filesize

    492KB

    MD5

    633625aa3be670a515fa87ff3a566d90

    SHA1

    de035c083125aef5df0a55c153ef6cc4dd4c15b4

    SHA256

    bda8e0ddb672ea3558ad68634c49da06cd72f93d7fca642ca41df00e26512df1

    SHA512

    3c687ddf0e4e93a6787a23a93e2011df42898f6d21101c848a1b7c7bd2eddd5d49fdd0748e47e6235e7808596d00a1ecf79b5c975d050dd8d00a95f515a444a9

  • C:\Users\Admin\AppData\Local\Temp\nstDAF1.tmp\System.dll

    Filesize

    11KB

    MD5

    ca332bb753b0775d5e806e236ddcec55

    SHA1

    f35ef76592f20850baef2ebbd3c9a2cfb5ad8d8f

    SHA256

    df5ae79fa558dc7af244ec6e53939563b966e7dbd8867e114e928678dbd56e5d

    SHA512

    2de0956a1ad58ad7086e427e89b819089f2a7f1e4133ed2a0a736adc0614e8588ebe2d97f1b59ab8886d662aeb40e0b4838c6a65fbfc652253e3a45664a03a00

  • C:\Users\Admin\AppData\Local\Temp\nstDAF1.tmp\WeChatInstallDll.dll

    Filesize

    3.6MB

    MD5

    334057ab4993b56c8c663b0224b94567

    SHA1

    09a428a52707171f425d9047e1b89bde1d5966dd

    SHA256

    3f829f072de5cc33b160f15f62558c86f75f7f96a2673234c9a48c3164f067d1

    SHA512

    3b40102c35a946a2ac804b680c61cabe0782b1d334d98d2f7aec5bf3946c2ab80098b0399eb69a1d7aca37073e11dacb6876c977415082fea480d9e4f5762d03

  • C:\Users\Admin\AppData\Local\Temp\nstDAF1.tmp\nsInstallAssist.dll

    Filesize

    192KB

    MD5

    28b411f3793dbcb81d6f3d3b0527cdba

    SHA1

    7614310be1231850e811a818f58ee8b54ae9ceaf

    SHA256

    0281e384c94cad29fd8279c1855f671c2dd1f7772cf5645f573dd1df2b3bd127

    SHA512

    e5c9f21e9838eca54a8ededb1bf279453e116b6cde629a75ad057b6438deec6bcacf6e27a81c8aa0fc732f26dc28cee7a006ba6d68c08846b92937e388349d78

  • memory/2868-59-0x0000000008FD0000-0x000000000907B000-memory.dmp

    Filesize

    684KB

  • memory/2868-72-0x0000000008FD0000-0x000000000907B000-memory.dmp

    Filesize

    684KB

  • memory/2868-27-0x0000000008FD0000-0x000000000907B000-memory.dmp

    Filesize

    684KB

  • memory/2868-35-0x0000000008FD0000-0x000000000907B000-memory.dmp

    Filesize

    684KB

  • memory/2868-36-0x0000000008FD0000-0x000000000907B000-memory.dmp

    Filesize

    684KB

  • memory/2868-44-0x0000000008FD0000-0x000000000907B000-memory.dmp

    Filesize

    684KB

  • memory/2868-45-0x0000000008FD0000-0x000000000907B000-memory.dmp

    Filesize

    684KB

  • memory/2868-61-0x0000000008FD0000-0x000000000907B000-memory.dmp

    Filesize

    684KB

  • memory/2868-17-0x0000000008FD0000-0x000000000907B000-memory.dmp

    Filesize

    684KB

  • memory/2868-70-0x0000000008FD0000-0x000000000907B000-memory.dmp

    Filesize

    684KB

  • memory/2868-69-0x0000000008FD0000-0x000000000907B000-memory.dmp

    Filesize

    684KB

  • memory/2868-26-0x0000000008FD0000-0x000000000907B000-memory.dmp

    Filesize

    684KB

  • memory/2868-71-0x0000000008FD0000-0x000000000907B000-memory.dmp

    Filesize

    684KB

  • memory/2868-73-0x0000000008FD0000-0x000000000907B000-memory.dmp

    Filesize

    684KB

  • memory/2868-74-0x0000000008FD0000-0x000000000907B000-memory.dmp

    Filesize

    684KB

  • memory/2868-75-0x0000000008FD0000-0x000000000907B000-memory.dmp

    Filesize

    684KB

  • memory/2868-76-0x0000000008FD0000-0x000000000907B000-memory.dmp

    Filesize

    684KB

  • memory/2868-77-0x0000000008FD0000-0x000000000907B000-memory.dmp

    Filesize

    684KB

  • memory/2868-78-0x0000000008FD0000-0x000000000907B000-memory.dmp

    Filesize

    684KB

  • memory/2868-84-0x0000000008FD0000-0x0000000009002000-memory.dmp

    Filesize

    200KB

  • memory/2868-18-0x0000000008FD0000-0x000000000907B000-memory.dmp

    Filesize

    684KB

  • memory/2868-87-0x0000000008FD0000-0x000000000907B000-memory.dmp

    Filesize

    684KB

  • memory/2868-88-0x0000000008FD0000-0x000000000907B000-memory.dmp

    Filesize

    684KB