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Resubmissions

02/08/2024, 14:19

240802-rnce8sscne 3

02/08/2024, 14:17

240802-rl7hlasclb 7

Analysis

  • max time kernel
    91s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/08/2024, 14:17

General

  • Target

    x64__installer__v2.0.5.msi

  • Size

    32.5MB

  • MD5

    acf3049f9a32d9c2d30d0546e7a4249a

  • SHA1

    491fbaf36bbb029601daf0e73ff17179f6f8ebd9

  • SHA256

    4e5def247c481ea835d423ca3134dc1192dc688693676ac6730c5e60ab269f61

  • SHA512

    02a40cd23470dff49afb6dcb80e7313b78aeb5bcd50ff564a7756aa01589379cae04953d6f50d0f22d6a251696a52702cdfde4f8daa7829b1e74d019fa66b900

  • SSDEEP

    786432:VRQLUyTDXySTjxA4Ztx2+G+N0WYQYBXPByttH+dktHEDv0y:VRQ77xVLYjsp+ikJ

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 15 IoCs
  • Loads dropped DLL 7 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\x64__installer__v2.0.5.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1532
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3632
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 298A2AE358434456D17807F803C21769
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:3360

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\e57ccc9.rbs

    Filesize

    22KB

    MD5

    b76ce04c8fe80a51a7d1f080f703f6c5

    SHA1

    2f122a0224b898a5ee9e296240eda07c8c6433d7

    SHA256

    58e36ea02f749287149487420aebf16dfaefaed0d31c006e25bbabebc9a73156

    SHA512

    89a900afa93cb6289743e2725fdd8feffebcb1cf24c441ccbce8fd845761b3140abed2052317a3c70aea4e61906773076819e5bba88837a8e32fde8582800835

  • C:\Windows\Installer\MSICD52.tmp

    Filesize

    738KB

    MD5

    b158d8d605571ea47a238df5ab43dfaa

    SHA1

    bb91ae1f2f7142b9099e3cc285f4f5b84de568e4

    SHA256

    ca763693cc25d316f14a9ebad80ebf00590329550c45adb7e5205486533c2504

    SHA512

    56aef59c198acf2fcd0d95ea6e32ce1c706e5098a0800feff13ddb427bfb4d538de1c415a5cb5496b09a5825155e3abb1c13c8c37dc31549604bd4d63cb70591

  • C:\Windows\Installer\MSIE787.tmp

    Filesize

    364KB

    MD5

    54d74546c6afe67b3d118c3c477c159a

    SHA1

    957f08beb7e27e657cd83d8ee50388b887935fae

    SHA256

    f9956417af079e428631a6c921b79716d960c3b4917c6b7d17ff3cb945f18611

    SHA512

    d27750b913cc2b7388e9948f42385d0b4124e48335ae7fc0bc6971f4f807dbc9af63fe88675bc440eb42b9a92551bf2d77130b1633ddda90866616b583ae924f

  • C:\Windows\Installer\e57ccc6.msi

    Filesize

    32.5MB

    MD5

    acf3049f9a32d9c2d30d0546e7a4249a

    SHA1

    491fbaf36bbb029601daf0e73ff17179f6f8ebd9

    SHA256

    4e5def247c481ea835d423ca3134dc1192dc688693676ac6730c5e60ab269f61

    SHA512

    02a40cd23470dff49afb6dcb80e7313b78aeb5bcd50ff564a7756aa01589379cae04953d6f50d0f22d6a251696a52702cdfde4f8daa7829b1e74d019fa66b900