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Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    14/10/2023, 08:21

General

  • Target

    NEAS.eb9951f7014fbbc2ae11d946bd5a4260.exe

  • Size

    249KB

  • MD5

    eb9951f7014fbbc2ae11d946bd5a4260

  • SHA1

    5782b4afa2dcd9720e7ef6ab9831a6000b916f4d

  • SHA256

    2480499058392c3fba5801b4b33bc5f010237bbbc2819e8da318581185c2fa16

  • SHA512

    89a92f5357a01768608fade7a0c2cc13fe18c5eb1cb3edf769efc1316b8de69d459e1fafa9f651223af38be622aee8954fdd3a30b120c53a84bed17d67a46b5e

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5sWp70PTdFNN2g7+/:h1OgLdaO57MTfNN2i0

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 3 IoCs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 10 IoCs
  • Modifies registry class 45 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.eb9951f7014fbbc2ae11d946bd5a4260.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.eb9951f7014fbbc2ae11d946bd5a4260.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Users\Admin\AppData\Local\Temp\7zS4FD5.tmp\50d9c0945b08e.exe
      .\50d9c0945b08e.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:1192

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Bcool\50d9c0945b0c6.dll

    Filesize

    115KB

    MD5

    6696822add17061dc0bb8ee5b42cc2d4

    SHA1

    d4622558ba366f2f94560da301a81c6c16f95a3c

    SHA256

    73c44d8943947e3cf9ecabdeea4d9a37652614f5490a1f972816be4123795125

    SHA512

    0f1946ce002441d010f67156f67b9d18e01ba35edfeb66ce8096467d3126b547e5040032253275b173f2dba9bce983775f360d83ec026986b55cb85e4b63f099

  • C:\ProgramData\Bcool\50d9c0945b0c6.tlb

    Filesize

    2KB

    MD5

    096a65b8a695249d5d554776f1eeace3

    SHA1

    2f2506b886a59b4408b23653d8734004ec2dda6d

    SHA256

    a602c790bcf424c154a082a88a495b256dd5456f627943568c358c74f606c568

    SHA512

    6e832caff1951b4fdb489997af5736fdbafa1de5573f629fc6798666bffd0ca0715311ce6590202cc970cce4492d94994a588547bb579bf70bc264683bc45cdc

  • C:\ProgramData\Bcool\settings.ini

    Filesize

    6KB

    MD5

    814a23f3138a5695e33b69d6c2b47de8

    SHA1

    00ebca13c24edcc4926434d9b795e82feddcd65c

    SHA256

    b3b816e72625cface87deaefd9e3ca59282540a989075aeed1e5b3caa8c91698

    SHA512

    f105d5f75b968e42edb7659f5afd3d709a362d9f3aadafeeea80d099dba9de82ffff3569efd30e1715ec102ebae44b59cf5f82872c8b4195a57535cf49b3090f

  • C:\ProgramData\Bcool\uninstall.exe

    Filesize

    48KB

    MD5

    e9c9582996a23b2a49a058dcaa3b5525

    SHA1

    f527cc64e759f06c011e5eeffbd217d5249c04df

    SHA256

    43c3e8d7aa00a299f084db17e384aa96de508565f82264ee88bd9c7647fa9fc9

    SHA512

    665613fc7f20e2c4ea40b7a8f39b4c2ea2a24c5119ee86ef072bbe29f606cd78a43081aa0a89b678a46d34e470e1ed10e31d590d3cb5447e1231707fea8e490f

  • C:\Users\Admin\AppData\Local\Temp\7zS4FD5.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    a6297a3b76581063f21cc44ff374331f

    SHA1

    139e50467ef56de4dd06d0581b20fd9c0a9d946c

    SHA256

    38f889bf89a81bb6cec3b68de326fab43ef56baab0b93914d4e7a1612ee8c52d

    SHA512

    b9f4923501d2088bb65b4161e554073cfa892f29fd18aa7ed6f543ba0329983542007a197196c8ec66a64d05bc5caa73548033de1a0e8290151e641d5ed97e75

  • C:\Users\Admin\AppData\Local\Temp\7zS4FD5.tmp\[email protected]\chrome.manifest

    Filesize

    116B

    MD5

    8d1c4c0293dc1008b49522524cf775df

    SHA1

    4a18456c8a1740336fbbfa068fe69207adad409b

    SHA256

    b19233de88589f9ee8277a39fab48b7b3347a2f76eedb498213fb4280bb3edb7

    SHA512

    f67d3665db5efd2fbdc5c980d9fd1e78900c80e019b1ba0656c09e4e75d7a0d3f4fc3ebaaea3d63a3f4715f6184e9398abd6e848a8b2fea400d7e802fb0c9e50

  • C:\Users\Admin\AppData\Local\Temp\7zS4FD5.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    dcd2ea0fe306e519b2db6339f6d2f086

    SHA1

    35c366aff7f936db1c805c115a8c4855484f6f98

    SHA256

    c302724172251d050cc125a59426df0d277a432e1ff8010f4f682f3c7018cddd

    SHA512

    9d55554a6dc708e9253a06800d066c5d9e8c95f027d929bd77fc07002163f6d0bb809c29b26d5d8dfbe599dade738c06798fa37f24302b7f4e49e23de5d812dc

  • C:\Users\Admin\AppData\Local\Temp\7zS4FD5.tmp\[email protected]\content\zy.xul

    Filesize

    225B

    MD5

    3a53da1f2dfa598b274672eee7f26222

    SHA1

    8d10f7050127240abcf9eb6627a0fc5bb76cdaa3

    SHA256

    415e96e85a8b0ec3b57fd90c4fdcce89f2163e5e1b3dcdaf342b831944a38c36

    SHA512

    b9ebeb0e7fbaa705bf37fc42c304dfdf17100b849aff30a91f9f16c5a5f615b385814d673b49cebdd677a6dd43588726fea4d6c2c6f68f6f5b40a762bf2f6d4f

  • C:\Users\Admin\AppData\Local\Temp\7zS4FD5.tmp\[email protected]\install.rdf

    Filesize

    700B

    MD5

    14f60c93b492695ccde60988b4885041

    SHA1

    2334611660114e5a86bd02c4586e4f25caddcab5

    SHA256

    f52c7438922068d5e6ad33811065eefe07096a68caa8d43b0840f73346c79ac9

    SHA512

    77087db70f6cd778486257ba1ac773ccc0cd7c18b65423043684592c07da24f5516fa62de7cb207976ebf8becc8533d284678429119fabf045eb3ee90ac750a6

  • C:\Users\Admin\AppData\Local\Temp\7zS4FD5.tmp\50d9c0945b08e.exe

    Filesize

    70KB

    MD5

    ebcc3eb1a7021aaead55fb677465a717

    SHA1

    3c8347f0fd520ee423a4aafea1112a0b06f4b6c8

    SHA256

    5e74f0e710c067ad82301c7c14ed6afb138f974f351042cfe0ecd275cea2612c

    SHA512

    0f18c22e6eff8ec90ccc616e62f32701d046185311e01e5f506778fae0c31f35123c3ce756ff2c0eef6f23e06e280f870b80080d11dc6da3aa25901f5a92d995

  • C:\Users\Admin\AppData\Local\Temp\7zS4FD5.tmp\50d9c0945b08e.exe

    Filesize

    70KB

    MD5

    ebcc3eb1a7021aaead55fb677465a717

    SHA1

    3c8347f0fd520ee423a4aafea1112a0b06f4b6c8

    SHA256

    5e74f0e710c067ad82301c7c14ed6afb138f974f351042cfe0ecd275cea2612c

    SHA512

    0f18c22e6eff8ec90ccc616e62f32701d046185311e01e5f506778fae0c31f35123c3ce756ff2c0eef6f23e06e280f870b80080d11dc6da3aa25901f5a92d995

  • C:\Users\Admin\AppData\Local\Temp\7zS4FD5.tmp\50d9c0945b0c6.dll

    Filesize

    115KB

    MD5

    6696822add17061dc0bb8ee5b42cc2d4

    SHA1

    d4622558ba366f2f94560da301a81c6c16f95a3c

    SHA256

    73c44d8943947e3cf9ecabdeea4d9a37652614f5490a1f972816be4123795125

    SHA512

    0f1946ce002441d010f67156f67b9d18e01ba35edfeb66ce8096467d3126b547e5040032253275b173f2dba9bce983775f360d83ec026986b55cb85e4b63f099

  • C:\Users\Admin\AppData\Local\Temp\7zS4FD5.tmp\50d9c0945b0c6.tlb

    Filesize

    2KB

    MD5

    096a65b8a695249d5d554776f1eeace3

    SHA1

    2f2506b886a59b4408b23653d8734004ec2dda6d

    SHA256

    a602c790bcf424c154a082a88a495b256dd5456f627943568c358c74f606c568

    SHA512

    6e832caff1951b4fdb489997af5736fdbafa1de5573f629fc6798666bffd0ca0715311ce6590202cc970cce4492d94994a588547bb579bf70bc264683bc45cdc

  • C:\Users\Admin\AppData\Local\Temp\7zS4FD5.tmp\bkpnfleolcchhmhnihignajciiidjblc.crx

    Filesize

    8KB

    MD5

    832337f7c22b2404ad1b84e4e8e2ac34

    SHA1

    3f3b8c41e935bbe5b7c1dccdb1fd4c81dd3000bb

    SHA256

    d5cbfb4839899493dddb8ce386aa8a5b1718fa2c7f22a3c6e84d8943935e1942

    SHA512

    f75e7a829494650dd6f93d1d27238a385d4f09ece97563c1ac0fb12332fbe45528b668926039497bbcb226e0e6e439931c6fc1c9a370074f870199314fbfa667

  • C:\Users\Admin\AppData\Local\Temp\7zS4FD5.tmp\settings.ini

    Filesize

    6KB

    MD5

    814a23f3138a5695e33b69d6c2b47de8

    SHA1

    00ebca13c24edcc4926434d9b795e82feddcd65c

    SHA256

    b3b816e72625cface87deaefd9e3ca59282540a989075aeed1e5b3caa8c91698

    SHA512

    f105d5f75b968e42edb7659f5afd3d709a362d9f3aadafeeea80d099dba9de82ffff3569efd30e1715ec102ebae44b59cf5f82872c8b4195a57535cf49b3090f

  • C:\Users\Admin\AppData\Local\Temp\nsd5284.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    7579ade7ae1747a31960a228ce02e666

    SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

    SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

    SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

  • C:\Users\Admin\AppData\Local\Temp\nsd5284.tmp\nsJSON.dll

    Filesize

    7KB

    MD5

    b9cd1b0fd3af89892348e5cc3108dce7

    SHA1

    f7bc59bf631303facfc970c0da67a73568e1dca6

    SHA256

    49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384

    SHA512

    fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90

  • \ProgramData\Bcool\50d9c0945b0c6.dll

    Filesize

    115KB

    MD5

    6696822add17061dc0bb8ee5b42cc2d4

    SHA1

    d4622558ba366f2f94560da301a81c6c16f95a3c

    SHA256

    73c44d8943947e3cf9ecabdeea4d9a37652614f5490a1f972816be4123795125

    SHA512

    0f1946ce002441d010f67156f67b9d18e01ba35edfeb66ce8096467d3126b547e5040032253275b173f2dba9bce983775f360d83ec026986b55cb85e4b63f099

  • \ProgramData\Bcool\uninstall.exe

    Filesize

    48KB

    MD5

    e9c9582996a23b2a49a058dcaa3b5525

    SHA1

    f527cc64e759f06c011e5eeffbd217d5249c04df

    SHA256

    43c3e8d7aa00a299f084db17e384aa96de508565f82264ee88bd9c7647fa9fc9

    SHA512

    665613fc7f20e2c4ea40b7a8f39b4c2ea2a24c5119ee86ef072bbe29f606cd78a43081aa0a89b678a46d34e470e1ed10e31d590d3cb5447e1231707fea8e490f

  • \Users\Admin\AppData\Local\Temp\7zS4FD5.tmp\50d9c0945b08e.exe

    Filesize

    70KB

    MD5

    ebcc3eb1a7021aaead55fb677465a717

    SHA1

    3c8347f0fd520ee423a4aafea1112a0b06f4b6c8

    SHA256

    5e74f0e710c067ad82301c7c14ed6afb138f974f351042cfe0ecd275cea2612c

    SHA512

    0f18c22e6eff8ec90ccc616e62f32701d046185311e01e5f506778fae0c31f35123c3ce756ff2c0eef6f23e06e280f870b80080d11dc6da3aa25901f5a92d995

  • \Users\Admin\AppData\Local\Temp\nsd5284.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    7579ade7ae1747a31960a228ce02e666

    SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

    SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

    SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

  • \Users\Admin\AppData\Local\Temp\nsd5284.tmp\nsJSON.dll

    Filesize

    7KB

    MD5

    b9cd1b0fd3af89892348e5cc3108dce7

    SHA1

    f7bc59bf631303facfc970c0da67a73568e1dca6

    SHA256

    49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384

    SHA512

    fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90

  • memory/1192-54-0x0000000074840000-0x000000007484A000-memory.dmp

    Filesize

    40KB