Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    22-01-2024 17:33

General

  • Target

    6fe4d1fbc7051478cef9779d643446aa.exe

  • Size

    2.6MB

  • MD5

    6fe4d1fbc7051478cef9779d643446aa

  • SHA1

    e7b25abdb8084a01a142a3508e99be9c9899faea

  • SHA256

    ea2a57d95e1e8dc5ff89e8b2460fb8567a122b8ca5e62f83f58cde35ea470564

  • SHA512

    a5e18c50f04e0dc5ecd646c35328fc99d4b94c9314cfbe2fb110414d86e21cb414dd0f8d867dad834d8b23c8768e23d8071d919d1fc28c79139a521657f3c09a

  • SSDEEP

    49152:pwZewEvqlNysM5Qz2EEak34rr/09kGwW22Vnay3:QiErT/0mJ293

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6fe4d1fbc7051478cef9779d643446aa.exe
    "C:\Users\Admin\AppData\Local\Temp\6fe4d1fbc7051478cef9779d643446aa.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:780
    • C:\Users\Admin\AppData\Local\Temp\6fe4d1fbc7051478cef9779d643446aa.exe
      C:\Users\Admin\AppData\Local\Temp\6fe4d1fbc7051478cef9779d643446aa.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\6fe4d1fbc7051478cef9779d643446aa.exe

    Filesize

    622KB

    MD5

    e886a27743f8b048a929890a257c5057

    SHA1

    703d715f6477f980631438478d098014d9711e80

    SHA256

    b6f20b065174782e338b9fce45c5d85491fcae33b43dcd093a30d455952969ae

    SHA512

    b8488dede4e0ba601bfcc9409dc36e7b12f047dc1cbfef87dc3a350bf07ecde15e306e0757091462c9f121363a09d4914a9f591588e0a1d950d7a18283f5d6db

  • \Users\Admin\AppData\Local\Temp\6fe4d1fbc7051478cef9779d643446aa.exe

    Filesize

    747KB

    MD5

    e70487b6f865291ebabbc0bff9344eae

    SHA1

    1d1f796bdd7f900bf3620ab734f141306a605a01

    SHA256

    9db5bae1e35c007e194617447587b5f116afe4a3cdf448428f451fde102e9ad3

    SHA512

    411e6e4a71f13610af56bb4e6f637379b15bd104a5e58ae49762efb04a324dfae68c251ed991c266565a2712344854c1ecb1d8b3b1d0909a1cffe7086cfd2e1a

  • memory/780-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/780-1-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/780-2-0x0000000001FA0000-0x00000000021FA000-memory.dmp

    Filesize

    2.4MB

  • memory/780-15-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/780-17-0x00000000038A0000-0x000000000423E000-memory.dmp

    Filesize

    9.6MB

  • memory/780-34-0x00000000038A0000-0x000000000423E000-memory.dmp

    Filesize

    9.6MB

  • memory/1856-19-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/1856-21-0x0000000001FA0000-0x00000000021FA000-memory.dmp

    Filesize

    2.4MB

  • memory/1856-35-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB