Analysis

  • max time kernel
    16s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    01-08-2024 21:29

General

  • Target

    0591cbff3a1ad937fac0aa2b7f1b0130N.exe

  • Size

    611KB

  • MD5

    0591cbff3a1ad937fac0aa2b7f1b0130

  • SHA1

    3a4bb72e62dff26061351c77f8e7621d926a099a

  • SHA256

    9d43a60fd19206b4228894b6d74b592084af3601190d261c1e906ba41ae17321

  • SHA512

    378bcd97d5f269e2bb642a0a8f677ca85368246812078f38f1c03871bbd86511af6f5636e150e1782d4e486d883cc6e82e4fae5a93d0451c7bc7dc0b0a5eb50a

  • SSDEEP

    12288:vhkyd7sH5zvVQju3GlHioEcNYSAaARc+OVzgyfqTKOH7UcLY4Yjb:vhds5eju3uHigNFUc/H87UcN

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 10 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0591cbff3a1ad937fac0aa2b7f1b0130N.exe
    "C:\Users\Admin\AppData\Local\Temp\0591cbff3a1ad937fac0aa2b7f1b0130N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Users\Admin\AppData\Local\Temp\decabfcede.exe
      C:\Users\Admin\AppData\Local\Temp\decabfcede.exe 5-9-7-5-8-1-2-4-5-7-3 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
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2116
      • C:\Windows\SysWOW64\Wbem\wmic.exe
        wmic /output:C:\Users\Admin\AppData\Local\Temp\81722547802.txt bios get serialnumber
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2208
      • C:\Windows\SysWOW64\Wbem\wmic.exe
        wmic /output:C:\Users\Admin\AppData\Local\Temp\81722547802.txt bios get version
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2920
      • C:\Windows\SysWOW64\Wbem\wmic.exe
        wmic /output:C:\Users\Admin\AppData\Local\Temp\81722547802.txt bios get version
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2912
      • C:\Windows\SysWOW64\Wbem\wmic.exe
        wmic /output:C:\Users\Admin\AppData\Local\Temp\81722547802.txt bios get version
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2776
      • C:\Windows\SysWOW64\Wbem\wmic.exe
        wmic /output:C:\Users\Admin\AppData\Local\Temp\81722547802.txt bios get version
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2764
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 368
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:2652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\81722547802.txt

    Filesize

    66B

    MD5

    9025468f85256136f923096b01375964

    SHA1

    7fcd174999661594fa5f88890ffb195e9858cc52

    SHA256

    d5418014fa8e6e17d8992fd12c0dfecac8a34855603ea58133e87ea09c2130df

    SHA512

    92cac37c332e6e276a963d659986a79a79867df44682bfc2d77ed7784ffa5e2c149e5960a83d03ef4cf171be40a73e93a110aaa53b95152fa9a9da6b41d31e51

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

    Filesize

    809KB

    MD5

    24033e294771b21c0cbd979eb396c519

    SHA1

    14073c1fd8f8cff31c704cc8289f160fc08d38d8

    SHA256

    621bc28caeda53d0befdd5ae4a137fdb7286ac4d31f990a976006c069e828ebe

    SHA512

    d98a8127f6b1b28ac492bf61da61cd4ef0aa024b5b9f25c74cea99f9caff8d82f889d29bbcf4f288032b0662c26e9051fd335a031f33906c8ef1348d240dad32

  • C:\Users\Admin\AppData\Local\Temp\nstCA04.tmp\crskc.dll

    Filesize

    152KB

    MD5

    8b3ddcbee2387c4b3d0fe4a1f5582d62

    SHA1

    53738258552c03338e3d6a5d09c83a509bddfbc7

    SHA256

    e25e5be00d352a7e20d0bac376a5ce6f81081020c69e2d2c35f159d8a3d6faca

    SHA512

    f8246cdc139af428fbf97423ac45972175587a5c0c4a5a6d65675f5f2605b7b9bd23fdc81aa6f8c298aa7ec1a41b877c6feb5dbdae4ec0376014af5f922dac72

  • \Users\Admin\AppData\Local\Temp\nstCA04.tmp\nsisunz.dll

    Filesize

    40KB

    MD5

    5f13dbc378792f23e598079fc1e4422b

    SHA1

    5813c05802f15930aa860b8363af2b58426c8adf

    SHA256

    6e87ecb7f62039fbb6e7676422d1a5e75a32b90dde6865dcb68ee658ba8df61d

    SHA512

    9270635a5294482f49e0292e26d45dd103b85fe27dc163d44531b095c5f9dbde6b904adaf1a888ba3c112a094380394713c796f5195b2566a20f00b42b6578e5