Analysis

  • max time kernel
    44s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:23

General

  • Target

    c890b5c0cb730784c094de37e5eeea86cadbb10d28b61e6030ff812cd150285c.exe

  • Size

    2.5MB

  • MD5

    1f810dca57b33b210c4ae9db0e0a0f34

  • SHA1

    10759d47e98fccb61b7fff478786f5170d273955

  • SHA256

    c890b5c0cb730784c094de37e5eeea86cadbb10d28b61e6030ff812cd150285c

  • SHA512

    a54afe53c220235c789f3ff08bb097c26f4a32a142a4bfbeeb435f15070b60e0883fcccda57fc0673e3f78f18a88e019f394f513b799eaf522e64737f79f426a

  • SSDEEP

    49152:h1OsaCpYO/dJJDHhs6oxRkNfehWfNs4VGufZ9JODSTz4bk6:h1OOly7kNfrNq46

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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.

  • Drops Chrome extension 3 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 11 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c890b5c0cb730784c094de37e5eeea86cadbb10d28b61e6030ff812cd150285c.exe
    "C:\Users\Admin\AppData\Local\Temp\c890b5c0cb730784c094de37e5eeea86cadbb10d28b61e6030ff812cd150285c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Users\Admin\AppData\Local\Temp\7zS229F.tmp\t04ohEre2xqfayo.exe
      .\t04ohEre2xqfayo.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1752
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\zL7SS77HlZF1ES.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:528
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\zL7SS77HlZF1ES.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:1764

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\GoSave\zL7SS77HlZF1ES.dat

    Filesize

    7KB

    MD5

    00ba91891778720f0b0039a95aac6a7a

    SHA1

    3bce4f4579c9ff62c3638cb8a3b221055cd83936

    SHA256

    c5dc4f13161cc1acc5a9e8fb70371829f5fb07139bb44c6b61808e0e99833c3b

    SHA512

    c5aa2934bb8f1324bb442eef79d33f7c1955861003b4560f3f7df6dd0f97e4024b35412127d30f8b84ffbef452d1090e54d4715e8c39099803d7f5da5d78cc66

  • C:\Program Files (x86)\GoSave\zL7SS77HlZF1ES.x64.dll

    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • C:\Users\Admin\AppData\Local\Temp\7zS229F.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS229F.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    8f03097c996f7878ab6267d7b59fe99b

    SHA1

    f7b420dcf3584a4a915a9000b58034e793a5621b

    SHA256

    e2f097a7e1726828996561534c4210f969f73c8f95461c94273de91cedb7d683

    SHA512

    70269d62476051d54a92d6674e1837626b145f24c17fdb434f6659f02bd4d6b9e15ac8f44a88b77691a5010127f53dbbf7f7651e2d8e1d46e95526db36b2c5c4

  • C:\Users\Admin\AppData\Local\Temp\7zS229F.tmp\[email protected]\content\bg.js

    Filesize

    9KB

    MD5

    375c059d4419cf167f1bd5cda5ee3a65

    SHA1

    4e5b738d72ee362ce60908b837dd831bd6012f9d

    SHA256

    846895ca98ad4070fa67af7c12d4c35d23ac8ebb0504d20bfbbe701efe7c652e

    SHA512

    cd161e8b01a51555e15ae385b7ad16c3443b949424deddc1f8a8228edb78841bef16c4b50c46ef150a74613743584818deb15f0efb72190b1a7e436405cdbb30

  • C:\Users\Admin\AppData\Local\Temp\7zS229F.tmp\[email protected]\install.rdf

    Filesize

    596B

    MD5

    f3e6ccc604bb381fee7e1c3e4932aacd

    SHA1

    0b4f4ef28b7b0e87ecf104f70c2754fc9882021a

    SHA256

    d167880f250322f0a7d7872b7081a724839b74fda301e1b5049a08ae49edb540

    SHA512

    31337b829d15fb83e06ef44679bdd743c87d7dfc8960480f88026dc636c9d63dcc1a0d655a1eb913e22b073428fb72186397aa6ab868d093992b4494e006c6f8

  • C:\Users\Admin\AppData\Local\Temp\7zS229F.tmp\ifffhhlkkhkcffmgancelednahmamfee\SNbg.js

    Filesize

    6KB

    MD5

    ec9e62c0e293ae64f56d2253ed6f6c09

    SHA1

    5d7b29fa4fcfbd8c31dcbd6fd1206c6a39c87a48

    SHA256

    2e659ce2907ee78df502241a7c86cb1839a4d4629f879255c65f00a3226cdf6c

    SHA512

    15c1ea6b1ce0fe9d5d1845bfcf08ed28278847fd69a1605947d13413a517a6e5ab81ac771e6e6c7ab21d7c0a17c91cfdca4925b9fe2929bef994db8871cdba99

  • C:\Users\Admin\AppData\Local\Temp\7zS229F.tmp\ifffhhlkkhkcffmgancelednahmamfee\background.html

    Filesize

    141B

    MD5

    f287427a3a4288ba9b2dd902fd042ad2

    SHA1

    a82e6ae34b159981cb0529f36476bb42c4889942

    SHA256

    616d2ad8ad26072aa2ce2c107054e44ee5713dd037521bace54de438fd273a9d

    SHA512

    2306569da8f9ffe82e8086921e12d974267c3760a443f967d5c821256a16d2439d4e431e8708d942e7f84231d151e3eb19ba54cc385e6f0a52945095c5975b60

  • C:\Users\Admin\AppData\Local\Temp\7zS229F.tmp\ifffhhlkkhkcffmgancelednahmamfee\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS229F.tmp\ifffhhlkkhkcffmgancelednahmamfee\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS229F.tmp\ifffhhlkkhkcffmgancelednahmamfee\manifest.json

    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zS229F.tmp\t04ohEre2xqfayo.dat

    Filesize

    7KB

    MD5

    00ba91891778720f0b0039a95aac6a7a

    SHA1

    3bce4f4579c9ff62c3638cb8a3b221055cd83936

    SHA256

    c5dc4f13161cc1acc5a9e8fb70371829f5fb07139bb44c6b61808e0e99833c3b

    SHA512

    c5aa2934bb8f1324bb442eef79d33f7c1955861003b4560f3f7df6dd0f97e4024b35412127d30f8b84ffbef452d1090e54d4715e8c39099803d7f5da5d78cc66

  • C:\Users\Admin\AppData\Local\Temp\7zS229F.tmp\t04ohEre2xqfayo.exe

    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zS229F.tmp\t04ohEre2xqfayo.exe

    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zS229F.tmp\zL7SS77HlZF1ES.dll

    Filesize

    738KB

    MD5

    49961c7c9a7aef57f49adf50d1c810f6

    SHA1

    fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

    SHA256

    c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

    SHA512

    8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

  • C:\Users\Admin\AppData\Local\Temp\7zS229F.tmp\zL7SS77HlZF1ES.tlb

    Filesize

    3KB

    MD5

    e3ab22d8beac0180520ab5289a64419b

    SHA1

    1456ba2c78b293e5a80185fefdf05f5dbe424937

    SHA256

    0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

    SHA512

    c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

  • C:\Users\Admin\AppData\Local\Temp\7zS229F.tmp\zL7SS77HlZF1ES.x64.dll

    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • \Program Files (x86)\GoSave\zL7SS77HlZF1ES.dll

    Filesize

    738KB

    MD5

    49961c7c9a7aef57f49adf50d1c810f6

    SHA1

    fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

    SHA256

    c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

    SHA512

    8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

  • \Program Files (x86)\GoSave\zL7SS77HlZF1ES.x64.dll

    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • \Program Files (x86)\GoSave\zL7SS77HlZF1ES.x64.dll

    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • \Users\Admin\AppData\Local\Temp\7zS229F.tmp\t04ohEre2xqfayo.exe

    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • memory/528-73-0x0000000000000000-mapping.dmp

  • memory/1464-54-0x00000000758B1000-0x00000000758B3000-memory.dmp

    Filesize

    8KB

  • memory/1752-56-0x0000000000000000-mapping.dmp

  • memory/1764-77-0x0000000000000000-mapping.dmp

  • memory/1764-78-0x000007FEFB9E1000-0x000007FEFB9E3000-memory.dmp

    Filesize

    8KB