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Analysis

  • max time kernel
    54s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    08/01/2024, 20:07

General

  • Target

    a23bb58ae7ffb23c1f5b877d87978b10.exe

  • Size

    1012KB

  • MD5

    a23bb58ae7ffb23c1f5b877d87978b10

  • SHA1

    2d3a5f3894325fa1553507c15be3fcc34eec9cca

  • SHA256

    969d86f872448654ec18e98d7277ff124b7cc26f515008a954bd21d10b35a586

  • SHA512

    dd185942e486343c479a3f87b37175893d5fd51aeb7d721959f582560c3fe87fcbca614f491b8fa90fb318053dee62a546ae8eac7ba25bdcc3cd3ee92990ec10

  • SSDEEP

    12288:k1/aGLDCMNpNAkoSzZWD8ayX2MQCw7D0INK4h1oWxJpcEi0/3IWV//7cSdbuPcCn:k1/aGLDCM4D8ayGM0R3o8/HuPfDQy

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a23bb58ae7ffb23c1f5b877d87978b10.exe
    "C:\Users\Admin\AppData\Local\Temp\a23bb58ae7ffb23c1f5b877d87978b10.exe"
    1⤵
    • Modifies firewall policy service
    • UAC bypass
    • Windows security bypass
    • Disables RegEdit via registry modification
    • Loads dropped DLL
    • Windows security modification
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2056
    • C:\ProgramData\hvatjw.exe
      "C:\ProgramData\hvatjw.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin .exe

    Filesize

    48KB

    MD5

    743df1c7d12ede5e0c1186013671622d

    SHA1

    18de64b392722afd29a6251055119cc7eae47b4f

    SHA256

    da6586c676f94a21f5c56238943190ddd2b0ccda7d80f1b7708db4c3f1e19ba5

    SHA512

    d8e53ac7059f2c5bd8270d5972bceba0d4350dbbb90e9a0ee9b39debc95fcaae729c40de961c001773f2a197e5079bae7948cbd3df3e35f92072fb11ab7fb1fb

  • C:\MSOCache .exe

    Filesize

    5KB

    MD5

    56d7ed3bffcf26bc7f91a1c0e35adc25

    SHA1

    24c4348bce35627e385585362ad6e909260dcd20

    SHA256

    de071b82d3c99b09990c03963c272c6fc3aba7cf03d53d32a827edab1d787fbc

    SHA512

    7d8202fc93567c65d2d62ca7b2a4bd7de720a0f8907297afb48ce0863c3811582caeb3976d512a2bfc1db0148b2a9e0e5dd07d135704406129af9e4af1a778e0

  • C:\ProgramData\Saaaalamm\Mira.h

    Filesize

    32KB

    MD5

    694be70230be78b07d1e8e9e72c13187

    SHA1

    d162447efcc7ae8cf85d222c3f6f84deb701852f

    SHA256

    5f7395445194115d5741fbf824405176a60ece98df69fa980143f562bc181baa

    SHA512

    28e74ee1994de550bf4826bc954f3745c164c0cd1f0837b5f53d0f48edaee2ad62d39fd319a295793d07db4c51bf6b051ad379efe374b6a063db406e0937e774

  • C:\ProgramData\hvatjw.exe

    Filesize

    1KB

    MD5

    2ff629b5d3035af0edc4ae85ecc127e9

    SHA1

    871aeca2177b474eb2af17d6efb7c9543c36190f

    SHA256

    5e28adea167f45103bf38a69fad433137f8c11da21f2c455b0c85d0b335ea0a7

    SHA512

    71432462e906346f72647228a6b2b653629b539b8c025f69fd6315f62ae0d512b96c624c62139676882991176034985237c8cb0a044b2b44e45059eaf7e2f7be

  • \ProgramData\hvatjw.exe

    Filesize

    16KB

    MD5

    09c30dccd8661e6b24a1f8d2731d652b

    SHA1

    6d996121c1a2bf1288aad69e3906dd0e8065f519

    SHA256

    15553b3cdfcae8b4d45bf5c11c32f335f00876e87bce6793a0d9e8b10bff17ed

    SHA512

    98db06f4a92f77ad6e94a137123f56896712da0260f208c015099eac4f8021063633294fade70a9a58ffc5037b709017d138d5df0e22bf2e30281481f7ace6e4

  • memory/2056-0-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/2056-1-0x0000000001F90000-0x000000000301E000-memory.dmp

    Filesize

    16.6MB

  • memory/2056-11-0x0000000001F90000-0x000000000301E000-memory.dmp

    Filesize

    16.6MB

  • memory/2056-13-0x0000000001F90000-0x000000000301E000-memory.dmp

    Filesize

    16.6MB

  • memory/2056-22-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/2752-108-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB