General

  • Target

    Valid8Proxy.rar

  • Size

    16.3MB

  • Sample

    241204-zn6cbawpeq

  • MD5

    fddc336af67c0dfe22013f9d3c35bc0a

  • SHA1

    6ad4690c2a485420a523f849fb49738d947da4ba

  • SHA256

    b344dac60d5703468d2f413b40959d7c8bcabf2ac4bceb8f6aa17b645c19bb49

  • SHA512

    7de2a56fe7ad51bbe4b81c081de7a63fe5b41ef56189ce500fe8cd047378249bb3fcf2499098b23fd0df77abd03482650a67208f2878d949b39dd73a9b929848

  • SSDEEP

    393216:Zi9aVoyhoeEi099Q3X/IZDpR8VRCEU3kRlalcm8kmp:Zi9aVoWF09i3XgTKC30jw/q

Malware Config

Extracted

Family

skuld

C2

https://discord.com/api/webhooks/1313945944076845126/H82xqxf0vkvR295Vx_woRgI2x9tb77jQL2zZJhnTyC7282lkfRBqrc1XL59cZb-Xo5UV

Targets

    • Target

      Valid8Proxy/Data/Jint.dll

    • Size

      244KB

    • MD5

      734c5ce8f9b104d8ad3c7b494e96f9b9

    • SHA1

      184cd4152b1b65d9531867b06c2e1c215fb872f1

    • SHA256

      ed618668ae9e7c02c7c2b7332dd09079168cca96432a051044683c996337001c

    • SHA512

      1e3ac0649e3b7bf9e97681aa7b1346aa44afe96d8c86fc77a6e002b8cf5b14b1a57f19f669ed0d4ae9a94d3f65d4eefa99dcffcf5d74afc8731f913c9c9f79d6

    • SSDEEP

      3072:hE1DupDOGfyKkpsZa27k5t0f5jjBWV239UDjRFAkqYL36ZmvYYGUaKTUCRaikNrJ:hjyQlGunmvjPa2vRQrXPHNQHsq5+L

    Score
    1/10
    • Target

      Valid8Proxy/Data/Leaf.xNet.dll

    • Size

      142KB

    • MD5

      2c607159e31c1e091697e74efa5cfebe

    • SHA1

      874d28447e5c1d7583f413db85049bf17de830b5

    • SHA256

      056900c587b7e574ccd154a83fe299bada653347c3862076b0ef6035039c0bec

    • SHA512

      bfe7b463db8f0ef5981b4cdf22d2815ec10a941fb7cdeff4a861626f1fa9a29f913c5e971b257a5d206965e1300328b7530c40692889d9065ab95d63a63fe55c

    • SSDEEP

      3072:iKpUZ/x+t38Q4I2T4EFWX66sU9/dfYJd:vUZ/x+tMnI2T4/XN

    Score
    1/10
    • Target

      Valid8Proxy/Data/Modules/Checker.exe

    • Size

      9.9MB

    • MD5

      a609164d1658cf3bdd653a05865f5eae

    • SHA1

      487232488b7d1c4af50c19e2c641989fe6f98911

    • SHA256

      f63016e0eb409846aced10ccc9a632cd6ff567a76eafb659b3a23e48a79dbacc

    • SHA512

      49d50a708596bd8823a3e203669a4369dd81545d8416122284d7b26d26502d3c7627ef150a76d8224507e77ec0e8ca1e8306acd411f07ebb6902d367b3129cfa

    • SSDEEP

      98304:uglet6sFODTir3/pi9Arhsmu+bPBEOWGgbZm9Fzl:ugxsFODGrschsmumPCxUz

    Score
    6/10
    • Target

      Valid8Proxy/Data/Modules/Checker1.exe

    • Size

      12.1MB

    • MD5

      c80d62ea9392b55404d34513ea87aac8

    • SHA1

      47fbed6b45f7ec59f64f2328cb5c2397102fcbf2

    • SHA256

      0ec753374174c21ad50f39c68611bab1fc687c8359c2fe8d5cdb24c9c859fa77

    • SHA512

      3f9a47489b66e8f9a093b69bbd7a4d3a4793fcab24a48a86233244b4a7204a7eaa4b0e93078632b4131f7275970189b7aeb41bc395a9798ce989b63f949c6511

    • SSDEEP

      196608:99EaY7HakrIK63UtauZijIXMCHGLLc54i1wN+gPIcu9KYK39shSEo3PPyIkMeKOO:IPae63hucsXMCHWUjvcuId9/PyjrF

    Score
    7/10
    • Loads dropped DLL

    • Target

      Valid8Proxy/Data/Modules/Jint.dll

    • Size

      244KB

    • MD5

      734c5ce8f9b104d8ad3c7b494e96f9b9

    • SHA1

      184cd4152b1b65d9531867b06c2e1c215fb872f1

    • SHA256

      ed618668ae9e7c02c7c2b7332dd09079168cca96432a051044683c996337001c

    • SHA512

      1e3ac0649e3b7bf9e97681aa7b1346aa44afe96d8c86fc77a6e002b8cf5b14b1a57f19f669ed0d4ae9a94d3f65d4eefa99dcffcf5d74afc8731f913c9c9f79d6

    • SSDEEP

      3072:hE1DupDOGfyKkpsZa27k5t0f5jjBWV239UDjRFAkqYL36ZmvYYGUaKTUCRaikNrJ:hjyQlGunmvjPa2vRQrXPHNQHsq5+L

    Score
    1/10
    • Target

      Valid8Proxy/Data/Modules/Leaf.xNet.dll

    • Size

      142KB

    • MD5

      2c607159e31c1e091697e74efa5cfebe

    • SHA1

      874d28447e5c1d7583f413db85049bf17de830b5

    • SHA256

      056900c587b7e574ccd154a83fe299bada653347c3862076b0ef6035039c0bec

    • SHA512

      bfe7b463db8f0ef5981b4cdf22d2815ec10a941fb7cdeff4a861626f1fa9a29f913c5e971b257a5d206965e1300328b7530c40692889d9065ab95d63a63fe55c

    • SSDEEP

      3072:iKpUZ/x+t38Q4I2T4EFWX66sU9/dfYJd:vUZ/x+tMnI2T4/XN

    Score
    1/10
    • Target

      Valid8Proxy/Data/Modules/Newtonsoft.Json.dll

    • Size

      695KB

    • MD5

      715a1fbee4665e99e859eda667fe8034

    • SHA1

      e13c6e4210043c4976dcdc447ea2b32854f70cc6

    • SHA256

      c5c83bbc1741be6ff4c490c0aee34c162945423ec577c646538b2d21ce13199e

    • SHA512

      bf9744ccb20f8205b2de39dbe79d34497b4d5c19b353d0f95e87ea7ef7fa1784aea87e10efcef11e4c90451eaa47a379204eb0533aa3018e378dd3511ce0e8ad

    • SSDEEP

      12288:WBARJBRZl/j1TbQ7n5WLm4k0X57ZYrgNHgK9C1BSjRlXP36RMGy1NqTU+:WBA/ZTvQD0XY0AJBSjRlXP36RMG7

    Score
    1/10
    • Target

      Valid8Proxy/Data/Newtonsoft.Json.dll

    • Size

      695KB

    • MD5

      715a1fbee4665e99e859eda667fe8034

    • SHA1

      e13c6e4210043c4976dcdc447ea2b32854f70cc6

    • SHA256

      c5c83bbc1741be6ff4c490c0aee34c162945423ec577c646538b2d21ce13199e

    • SHA512

      bf9744ccb20f8205b2de39dbe79d34497b4d5c19b353d0f95e87ea7ef7fa1784aea87e10efcef11e4c90451eaa47a379204eb0533aa3018e378dd3511ce0e8ad

    • SSDEEP

      12288:WBARJBRZl/j1TbQ7n5WLm4k0X57ZYrgNHgK9C1BSjRlXP36RMGy1NqTU+:WBA/ZTvQD0XY0AJBSjRlXP36RMG7

    Score
    1/10
    • Target

      Valid8Proxy/ProxyChecker.exe

    • Size

      582KB

    • MD5

      82c493c58ad0ed2255d1500840d1d75c

    • SHA1

      24b2997983add8d90e896af2dbdc32cf19895389

    • SHA256

      325a912d9f9f4878cfc13a45a2da2494b4c4080c39d8a40166eb39c6ef3d24a0

    • SHA512

      68f91fe3693dffdaadf28ad5dd3719cdfddff6e4729f48774ae336aef97908d8bc2c419aff65a7d4cbe24e2b85ea2f311dfec2de1136ed7fd7374d2d3ead8c88

    • SSDEEP

      6144:oOaTmuaJ0GFRabVg8O1lFrRawLmKx85EJXlkc3rNPWyXJJy1LDR6qwYelXN1C4q1:oOSmvFobVgZtCKZX97NPWyXgteYILQ

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks