Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-07-2023 14:58

General

  • Target

    343bdad321d9ffexeexeexeex.exe

  • Size

    87KB

  • MD5

    343bdad321d9ffd323b172d14aeee7e9

  • SHA1

    7f5799de2b57379c11b55d0903c835ad444b04f0

  • SHA256

    a0f1c54dd3565a8f87002fcb7e417f63d4929903860c0a167a73cc6dee36a765

  • SHA512

    e7538f588ebc0a9e775d2227c7d1246e8296d3b78b6623594cd5155339af97cefc84447cfb93f7013e5870a0f3cc20b1bd5c61c67f5dab2899ab0e693d5b0cf5

  • SSDEEP

    1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDSEoHrY:zCsanOtEvwDpjc

Score
7/10
upx

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\343bdad321d9ffexeexeexeex.exe
    "C:\Users\Admin\AppData\Local\Temp\343bdad321d9ffexeexeexeex.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4600
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies system certificate store
      PID:4992

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\misid.exe

    Filesize

    87KB

    MD5

    cdf2c20292d9e5dd7079ddf6e07e49d0

    SHA1

    dd740abff5bad43a871a77339956c4dfc307bb0c

    SHA256

    3130bd6b41f28fb85e7d345ed60339fdd54ec830456ade4b005871f39d242dfb

    SHA512

    c4b04d4f4628a37fac67dd24508706a2177e24b3433da28dce897b90b0f6f37cb122685876b1dd5e44ad1c59075135ed302317268ca627bacdb7e13bfc69bd2a

  • C:\Users\Admin\AppData\Local\Temp\misid.exe

    Filesize

    87KB

    MD5

    cdf2c20292d9e5dd7079ddf6e07e49d0

    SHA1

    dd740abff5bad43a871a77339956c4dfc307bb0c

    SHA256

    3130bd6b41f28fb85e7d345ed60339fdd54ec830456ade4b005871f39d242dfb

    SHA512

    c4b04d4f4628a37fac67dd24508706a2177e24b3433da28dce897b90b0f6f37cb122685876b1dd5e44ad1c59075135ed302317268ca627bacdb7e13bfc69bd2a

  • C:\Users\Admin\AppData\Local\Temp\misid.exe

    Filesize

    87KB

    MD5

    cdf2c20292d9e5dd7079ddf6e07e49d0

    SHA1

    dd740abff5bad43a871a77339956c4dfc307bb0c

    SHA256

    3130bd6b41f28fb85e7d345ed60339fdd54ec830456ade4b005871f39d242dfb

    SHA512

    c4b04d4f4628a37fac67dd24508706a2177e24b3433da28dce897b90b0f6f37cb122685876b1dd5e44ad1c59075135ed302317268ca627bacdb7e13bfc69bd2a

  • C:\Users\Admin\AppData\Local\Temp\misids.exe

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/4600-133-0x0000000000650000-0x0000000000656000-memory.dmp

    Filesize

    24KB

  • memory/4600-134-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/4600-136-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/4992-150-0x0000000000570000-0x0000000000576000-memory.dmp

    Filesize

    24KB

  • memory/4992-156-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB