Analysis

  • max time kernel
    159s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-11-2023 15:05

General

  • Target

    NEAS.ea55726f0329030149bf72fcf70342bd.exe

  • Size

    130KB

  • MD5

    ea55726f0329030149bf72fcf70342bd

  • SHA1

    92402935d44498e943f9da28767e1abc08d9ac23

  • SHA256

    0161d78d705eb5f4dbe560041955ce9fa757b65a6331bf53226d467ac90b4603

  • SHA512

    e6d73b1ecde21c3015b90aa964b46208e50f1050e4962707c9a420dc077d56e4c893c7f3237013db0a14012e48f45368b22f9c9e0edff2c6a24bc4c94d54732b

  • SSDEEP

    3072:tY9CUT62/UOVMgJsgJMgJogJwgJ0zqgJ01J3RgJ01JygJ01JK8gJ01JK2gJ01JKz:tY9C8QyFJlJFJRJZJqJyJ3CJyJbJyJWD

Score
10/10

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.ea55726f0329030149bf72fcf70342bd.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.ea55726f0329030149bf72fcf70342bd.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3604
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:1384

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    130KB

    MD5

    43231c49d2dac927741ddc613c94cb29

    SHA1

    f66e141973124cf50a265405cf1a25853fca572d

    SHA256

    ddc1c46a68765063f6bd092e81b6b889b601e636a0944b3d25c9ca48f453170f

    SHA512

    f96d0254df74a086dfcb8f4d968aea01838a347b516a2b8b6a3c6f17f92ccaa18723db0e771a5ed20bb37555544fdcd5d480deeb2e72e5d6ef82e89cf357d301

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

    Filesize

    130KB

    MD5

    43231c49d2dac927741ddc613c94cb29

    SHA1

    f66e141973124cf50a265405cf1a25853fca572d

    SHA256

    ddc1c46a68765063f6bd092e81b6b889b601e636a0944b3d25c9ca48f453170f

    SHA512

    f96d0254df74a086dfcb8f4d968aea01838a347b516a2b8b6a3c6f17f92ccaa18723db0e771a5ed20bb37555544fdcd5d480deeb2e72e5d6ef82e89cf357d301

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

    Filesize

    130KB

    MD5

    43231c49d2dac927741ddc613c94cb29

    SHA1

    f66e141973124cf50a265405cf1a25853fca572d

    SHA256

    ddc1c46a68765063f6bd092e81b6b889b601e636a0944b3d25c9ca48f453170f

    SHA512

    f96d0254df74a086dfcb8f4d968aea01838a347b516a2b8b6a3c6f17f92ccaa18723db0e771a5ed20bb37555544fdcd5d480deeb2e72e5d6ef82e89cf357d301

  • memory/1384-14-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3604-0-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3604-1-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3604-2-0x0000000000470000-0x0000000000471000-memory.dmp

    Filesize

    4KB

  • memory/3604-4-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB