Overview

overview

10

Static

static

d1dc9b85ba...47.exe

windows7-x64

10

d1dc9b85ba...47.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    32s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/10/2022, 19:28

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General

  • Target

    d1dc9b85bad0d7a09387b635e4448cfb3c0f91274229c848f29ce6ecf5ede147.exe

  • Size

    261KB

  • MD5

    0c5e472a43d37ca098ecf820b67b5210

  • SHA1

    cfc603ce300f53e6c074233c3dce9ebf9ca97dc2

  • SHA256

    d1dc9b85bad0d7a09387b635e4448cfb3c0f91274229c848f29ce6ecf5ede147

  • SHA512

    c8df0cb45f68c4f1e2450c6d5513efd49c672e8451ea5dd127c4787e47424c9a7fc362102210554af29cb180a5e40c3e4b2b4c8e8a8031b7aaf780e290bc7419

  • SSDEEP

    6144:xz2ZLUjD5qZN20Y3P2sYm/4GyGFmGU5DOmFmt:xz2ZUjD5qZN2pesYm/4GBFmGU5DOmFmt

Score
10/10
salitybackdoordiscoveryevasiontrojanupx

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
    evasion
  • Sality

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

    backdoorsality
  • UAC bypass 3 TTPs 1 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 6 IoCs
    evasiontrojan
  • UPX packed file 3 IoCs

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

    upx
  • Loads dropped DLL 1 IoCs
  • Windows security modification 2 TTPs 7 IoCs
    evasiontrojan
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1276
      • C:\Users\Admin\AppData\Local\Temp\d1dc9b85bad0d7a09387b635e4448cfb3c0f91274229c848f29ce6ecf5ede147.exe
        "C:\Users\Admin\AppData\Local\Temp\d1dc9b85bad0d7a09387b635e4448cfb3c0f91274229c848f29ce6ecf5ede147.exe"
        2⤵
        • Modifies firewall policy service
        • UAC bypass
        • Windows security bypass
        • Loads dropped DLL
        • Windows security modification
        • Checks whether UAC is enabled
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:1676
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1244
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1128

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • \Users\Admin\AppData\Local\Temp\nso4EED.tmp\System.dll
          Filesize

          11KB

          MD5

          959ea64598b9a3e494c00e8fa793be7e

          SHA1

          40f284a3b92c2f04b1038def79579d4b3d066ee0

          SHA256

          03cd57ab00236c753e7ddeee8ee1c10839ace7c426769982365531042e1f6f8b

          SHA512

          5e765e090f712beffce40c5264674f430b08719940d66e3a4d4a516fd4ade859f7853f614d9d6bbb602780de54e11110d66dbb0f9ca20ef6096ede531f9f6d64

          Download Submit

        • memory/1676-54-0x0000000074C91000-0x0000000074C93000-memory.dmp

          Filesize

          8KB

          Download

        • memory/1676-55-0x0000000000400000-0x0000000000539000-memory.dmp

          Filesize

          1.2MB

          Download

        • memory/1676-56-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

          Filesize

          16.6MB

          Download

        • memory/1676-57-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

          Filesize

          16.6MB

          Download

        • memory/1676-58-0x00000000005C0000-0x00000000005C2000-memory.dmp

          Filesize

          8KB

          Download

        • memory/1676-60-0x0000000000400000-0x0000000000539000-memory.dmp

          Filesize

          1.2MB

          Download

        • memory/1676-61-0x0000000001EF0000-0x0000000002F7E000-memory.dmp

          Filesize

          16.6MB

          Download