Analysis

  • max time kernel
    26s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 07:16

General

  • Target

    a9047e5dd95801fc6a93ae606cb8192b9e00aeaebc05e88dfbeac1755fceaa07.exe

  • Size

    249KB

  • MD5

    a69ad79baa1cd711a35a2cd4aa2ad3db

  • SHA1

    ca7c822050ef469d1626d470638d752d5c610a2c

  • SHA256

    a9047e5dd95801fc6a93ae606cb8192b9e00aeaebc05e88dfbeac1755fceaa07

  • SHA512

    840ac14a2b5182215f757a5785dfcbf04f2a92f50161085e7573a4661bf679b7ae4fd228b60431df6281508bd11fc3b86cb6e46ea26dcefcebe49b67893d7bdd

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5wp4vY1od0FuuXW3P:h1OgLdaO8esRX+

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

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

  • 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.

  • 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). Likely ransomware behaviour.

  • NSIS installer 8 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\a9047e5dd95801fc6a93ae606cb8192b9e00aeaebc05e88dfbeac1755fceaa07.exe
    "C:\Users\Admin\AppData\Local\Temp\a9047e5dd95801fc6a93ae606cb8192b9e00aeaebc05e88dfbeac1755fceaa07.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Users\Admin\AppData\Local\Temp\7zS28A7.tmp\50d95e4749913.exe
      .\50d95e4749913.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:2044

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\7zS28A7.tmp\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          9294421cec1fb3b900e26924537f2ea7

          SHA1

          1e1cb38b9cbdf184383c9b155ca57b9fd74110be

          SHA256

          99a9f6496584816e378b1c863864c46807eb645a37d218ac0be5f7d40d075936

          SHA512

          a8f72f10175862feef459e433463bdd5641ec0c929405e28f985f7919b7bcd85521119bc33bfa3a2dbfb113c6680affedc4c47ba5e2789d433d0a6c5d3c48baf

        • C:\Users\Admin\AppData\Local\Temp\7zS28A7.tmp\[email protected]\chrome.manifest

          Filesize

          116B

          MD5

          e8ca67a16d0aa64521259f98dced42d9

          SHA1

          a56daf8e11110dba63844e06048ab03485138193

          SHA256

          35878a511f70e1aad8e45b5d4c4d01fa8c5372332778e371162b006b6f76d0e1

          SHA512

          00c8b91679cebd1317583ab0a4e561def2c5b6fe4b288d80ecad1eda4ac889ad791451d6f4105147184bab6b54f835499554f2e7b209ef2ddb91faa5bd3c23f2

        • C:\Users\Admin\AppData\Local\Temp\7zS28A7.tmp\[email protected]\content\bg.js

          Filesize

          8KB

          MD5

          fc8f52c6fb97dd818412520ab9eb0d31

          SHA1

          07b7e4bd2345942e6b8fd1393ec5de2cfc2bdfb3

          SHA256

          d5da5b02699b27c28e3def64e818d760c6382106f43ddccf508be1ff3d01db4e

          SHA512

          bd55a4341bfe93ecf85abad1f2c7cce6c78ccc806369683901002f5289de5061b5bd5112d2ad8e2101f55bdc05308f9d6834357ab0594c384cdb8c82a54b7794

        • C:\Users\Admin\AppData\Local\Temp\7zS28A7.tmp\[email protected]\content\zy.xul

          Filesize

          225B

          MD5

          b0e5ad8717b5cf6be3c6c3c4122699bd

          SHA1

          aa2d1cb3c1dbe0ce4df78e1cca42f0b0e1e8e34f

          SHA256

          c2c711c6056ea185d1da479a1403bd995fd36d1b4e002cb357946beb3a2c47ce

          SHA512

          4a1e1a6c4dcc831d3accb2a1d51e59985eb72fcee3e242c06347eab6be2ad26c3889766ab0577c09c57abacf96c85028eb8c309f86558b571c8151a5d8ca0aec

        • C:\Users\Admin\AppData\Local\Temp\7zS28A7.tmp\[email protected]\install.rdf

          Filesize

          700B

          MD5

          f47f98c6b4a80d600f64c2472fbb7888

          SHA1

          a350d6b839b77b158e5d6badbb68bd3ac9d3320b

          SHA256

          df22a9db420942d65ffc29bcb56bc20e45f6ca77304f57e2b3fac44660ed1e97

          SHA512

          4493cf33ec196df2d5f1db55067a2ca106bbbb4ec023e57cb4795af6e86953e466c1665345513cfa59b5416f840a024f80d52c82e011e82df5568c12ab46b2d1

        • C:\Users\Admin\AppData\Local\Temp\7zS28A7.tmp\50d95e4749913.exe

          Filesize

          70KB

          MD5

          ebcc3eb1a7021aaead55fb677465a717

          SHA1

          3c8347f0fd520ee423a4aafea1112a0b06f4b6c8

          SHA256

          5e74f0e710c067ad82301c7c14ed6afb138f974f351042cfe0ecd275cea2612c

          SHA512

          0f18c22e6eff8ec90ccc616e62f32701d046185311e01e5f506778fae0c31f35123c3ce756ff2c0eef6f23e06e280f870b80080d11dc6da3aa25901f5a92d995

        • C:\Users\Admin\AppData\Local\Temp\7zS28A7.tmp\50d95e4749913.exe

          Filesize

          70KB

          MD5

          ebcc3eb1a7021aaead55fb677465a717

          SHA1

          3c8347f0fd520ee423a4aafea1112a0b06f4b6c8

          SHA256

          5e74f0e710c067ad82301c7c14ed6afb138f974f351042cfe0ecd275cea2612c

          SHA512

          0f18c22e6eff8ec90ccc616e62f32701d046185311e01e5f506778fae0c31f35123c3ce756ff2c0eef6f23e06e280f870b80080d11dc6da3aa25901f5a92d995

        • C:\Users\Admin\AppData\Local\Temp\7zS28A7.tmp\50d95e474994b.dll

          Filesize

          115KB

          MD5

          6696822add17061dc0bb8ee5b42cc2d4

          SHA1

          d4622558ba366f2f94560da301a81c6c16f95a3c

          SHA256

          73c44d8943947e3cf9ecabdeea4d9a37652614f5490a1f972816be4123795125

          SHA512

          0f1946ce002441d010f67156f67b9d18e01ba35edfeb66ce8096467d3126b547e5040032253275b173f2dba9bce983775f360d83ec026986b55cb85e4b63f099

        • C:\Users\Admin\AppData\Local\Temp\7zS28A7.tmp\50d95e474994b.tlb

          Filesize

          2KB

          MD5

          096a65b8a695249d5d554776f1eeace3

          SHA1

          2f2506b886a59b4408b23653d8734004ec2dda6d

          SHA256

          a602c790bcf424c154a082a88a495b256dd5456f627943568c358c74f606c568

          SHA512

          6e832caff1951b4fdb489997af5736fdbafa1de5573f629fc6798666bffd0ca0715311ce6590202cc970cce4492d94994a588547bb579bf70bc264683bc45cdc

        • C:\Users\Admin\AppData\Local\Temp\7zS28A7.tmp\mjgmcbnnpineoajdecjbbdnaldhccmji.crx

          Filesize

          8KB

          MD5

          be207636f866e6638c675927f7adfe7e

          SHA1

          e3ca6acd8b921f8a8bc0c3f0821548bfbf63e940

          SHA256

          91f125271bda3940349f89249c4519fc125941e2cd1ca08cf9da4fb86c08bb40

          SHA512

          48481f678c3d671ef1b14dce62cb4f79eeb3c12e8618a1208890c702e1d6a28b5770bddde8c9b86c94846fa4fe20d99134cb76edde58dd3a84614558995e004b

        • C:\Users\Admin\AppData\Local\Temp\7zS28A7.tmp\settings.ini

          Filesize

          6KB

          MD5

          37d1b19246ad479e4df8c055e6b7f54e

          SHA1

          168bf4a58ab1d02f423e9cc8f1db8eebd4403ce3

          SHA256

          59c833b3e90d0be788cac2cbadf24d5a2bae2707fc0d856c88afd141160c6bad

          SHA512

          371a3d6a32cacd3edbe15d7f946c2e1930851b3b788537dad2d8cfa18f09a0aa6cb5a182f59b2e87ab0caad7288d42574b9e983880cac19defb671e232883418

        • \ProgramData\Zoomex\50d95e474994b.dll

          Filesize

          115KB

          MD5

          6696822add17061dc0bb8ee5b42cc2d4

          SHA1

          d4622558ba366f2f94560da301a81c6c16f95a3c

          SHA256

          73c44d8943947e3cf9ecabdeea4d9a37652614f5490a1f972816be4123795125

          SHA512

          0f1946ce002441d010f67156f67b9d18e01ba35edfeb66ce8096467d3126b547e5040032253275b173f2dba9bce983775f360d83ec026986b55cb85e4b63f099

        • \ProgramData\Zoomex\uninstall.exe

          Filesize

          48KB

          MD5

          e9c9582996a23b2a49a058dcaa3b5525

          SHA1

          f527cc64e759f06c011e5eeffbd217d5249c04df

          SHA256

          43c3e8d7aa00a299f084db17e384aa96de508565f82264ee88bd9c7647fa9fc9

          SHA512

          665613fc7f20e2c4ea40b7a8f39b4c2ea2a24c5119ee86ef072bbe29f606cd78a43081aa0a89b678a46d34e470e1ed10e31d590d3cb5447e1231707fea8e490f

        • \Users\Admin\AppData\Local\Temp\7zS28A7.tmp\50d95e4749913.exe

          Filesize

          70KB

          MD5

          ebcc3eb1a7021aaead55fb677465a717

          SHA1

          3c8347f0fd520ee423a4aafea1112a0b06f4b6c8

          SHA256

          5e74f0e710c067ad82301c7c14ed6afb138f974f351042cfe0ecd275cea2612c

          SHA512

          0f18c22e6eff8ec90ccc616e62f32701d046185311e01e5f506778fae0c31f35123c3ce756ff2c0eef6f23e06e280f870b80080d11dc6da3aa25901f5a92d995

        • \Users\Admin\AppData\Local\Temp\nso2A0F.tmp\UserInfo.dll

          Filesize

          4KB

          MD5

          7579ade7ae1747a31960a228ce02e666

          SHA1

          8ec8571a296737e819dcf86353a43fcf8ec63351

          SHA256

          564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

          SHA512

          a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

        • \Users\Admin\AppData\Local\Temp\nso2A0F.tmp\nsJSON.dll

          Filesize

          7KB

          MD5

          b9cd1b0fd3af89892348e5cc3108dce7

          SHA1

          f7bc59bf631303facfc970c0da67a73568e1dca6

          SHA256

          49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384

          SHA512

          fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90

        • memory/1368-54-0x0000000075501000-0x0000000075503000-memory.dmp

          Filesize

          8KB

        • memory/2044-72-0x0000000074AC0000-0x0000000074ACA000-memory.dmp

          Filesize

          40KB