General

  • Target

    DCRat.rar

  • Size

    66.7MB

  • Sample

    250306-cqal4awl13

  • MD5

    347c4fa01de3ff6b98fbdf4b45facc0c

  • SHA1

    0a8dc5c37f9e6f40d2a9224b5545b4068377e9fb

  • SHA256

    52356abff533c337129af9b251bfb053f49e3e00ad2da2440e2111ad66ceabd7

  • SHA512

    f8562c845250feaa25d81f6efaa89eacf01175bb2b2f72cf3456a963460048a6f740e59a44e370559f2a08a2745a8122a210ee7203e3c2c607bdf59109e56b70

  • SSDEEP

    1572864:lCNb0lbPIbxJmyK3OhYGCVpQhUToQKUfDJGTK+Lu4lyPWc5pIg3:lIb5xJU3OOVpQoKUM++LBweSpZ

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:3244

Mutex

GaPmqX8yNjWN2yOS

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target

      DCRat/DCRat.exe

    • Size

      72KB

    • MD5

      2c7d37e90dd8ab57d06dad5bc7956885

    • SHA1

      da789c107c4c68b8250b6589e45e5a3cf7a9a143

    • SHA256

      5ede5d774ab65f25357cf5a1fa5e354f6f2a9868651a0fa717485802b21b1939

    • SHA512

      e74ae891771bfd9c6fcdfbe8e4f33f0d5f7c3457cd84b257500cdaf8fa8b16fe458a18db9b3a60591465982fc2871f4c3f2e7541c765f00a0516f805e7e9ca0f

    • SSDEEP

      768:P7Zw33FNUf6Nhd/fQ1l+0vM0iT9HvMB90d24:zZ2FWSNhd/4131i89p4

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Mark of the Web detected: This indicates that the page was originally saved or cloned.

    • Target

      DCRat/data/7zxa.dll

    • Size

      160KB

    • MD5

      c6c778752b11c3e443c97c55e60720e8

    • SHA1

      57b29fb5760885e1594a5e97eccf18017cbbf604

    • SHA256

      863f6bf4f51e08a4604a4e175781b35c251bb204f479eac58af0db11c7f019a2

    • SHA512

      8ef6ea70f0b3ff65ef2cac3668487f1fc121fdb945d10919db187e95ad22e5098b5357fbfa77caee5ce2394fa707c8c79e80703aad9937a93d8cf9a5a46a413c

    • SSDEEP

      3072:7fGomNy4JTVoXxLYxNJeINgQnK2W2KQy4fClGZMQ06+V8+NB1RkFIEu3LB:GZnMWg0y4fk6+VLB1RbE6

    Score
    3/10
    • Target

      DCRat/data/DCRBC.exe

    • Size

      26KB

    • MD5

      14a56e4b7bd40512b49d6f72086e8fc1

    • SHA1

      d8c05adc75d739a56c63d6596d460304eb219cc6

    • SHA256

      86c45fb7473e5c1df78b8cbb2003033c37b4cb01a677c1ef30ca1573e84ec692

    • SHA512

      3d5c2010963694262dcb08337f80190630d890565a25610c33983268afad11b0882fb5c7a03b5e629560d3fd1b9b3856d4896f5a272c53928c1fd10924e3b3f8

    • SSDEEP

      384:7P0jnfJQhdPTfmUi5YbS8ISIfKfLOI87oRehG6VBVHCHljIhzqb:4YdxccSHSjfLOIyoRet9iHWhzm

    Score
    1/10
    • Target

      DCRat/data/DCRBT.exe

    • Size

      23KB

    • MD5

      32e2bc4f79c776b542f6775895beaf21

    • SHA1

      38e1d82f7cd869d1a016a94dc747110e44e80ae2

    • SHA256

      98ec5492a2f0aeba5b39a9f41498d98c73643bf6d8d177e5831fb0ad6e6f8521

    • SHA512

      4ed797827b33fc922b1385c7b4e1cfdc12f7e00c8969b7ed6eeb6aa82f2656fa7f73c90c67ee1a1fdff2ac654504e214d4255eb37251736d30fa694e0b3094e9

    • SSDEEP

      384:Ik67YLzFJSKaj1A5l055eRethRv1WGqvSqRehTLONKwzI:P3JJ/V5lU5e8thRNwvI5LSKw0

    Score
    1/10
    • Target

      DCRat/data/DCRLC.exe

    • Size

      23KB

    • MD5

      a1bccb81f525f46b8e0994157f0dbb58

    • SHA1

      70ad20203e56b1fed9827d87c8cc8ba09008a49f

    • SHA256

      574f0612cef481f5bde5667586f1bf1c4df4b7672cd6093b6a8f3b2cadc10725

    • SHA512

      9fe2dc5e4f621142d43b0ec8ced708b6fcd41c70b5432315ac98de632ab4a9e95bafb93dd30415b877ed6b2351697389cedd9285bdda7e53545e933b6c8de3be

    • SSDEEP

      384:Yc/k09yBB7RBADETZc3+QrB4EXZcs7xaaMrbTywSUIk:07XmES+QrB4EXZX7/cnnSk

    Score
    1/10
    • Target

      DCRat/data/Default.SFX

    • Size

      313KB

    • MD5

      a7993e5a520b17fec65435fb4838a08f

    • SHA1

      18fe6286473a03735e7b701d4bfaf61ad35da7ad

    • SHA256

      c39c4466f622b7320076076ea3eb13fa0f784b9b097dff46d802f905fc39d851

    • SHA512

      f14be864388b6f077cad0e64367f16715adfb180f57677ba83866ea000961232d21db1093b7795f17d9d76626fad4e3a7d3dbd8eb00c3a294a9aa8f60ac0ab83

    • SSDEEP

      6144:2TouKrWBEu3/Z2lpGDHU3ykJotX+t41/:2ToPWBv/cpGrU3yVtX+t4V

    Score
    3/10
    • Target

      DCRat/data/NCC3.dll

    • Size

      72KB

    • MD5

      aa84f91edd922e7b3bb979e663c94f1a

    • SHA1

      da46b9962a6c6cceef38c3e11b8b5bc9c1b536fa

    • SHA256

      38274608d5a4b53ec22f8099f798ba46ce0ed41db65a33dfb3853f0dbf849f6f

    • SHA512

      88392fc77a0300ece306908867be38011530d9eefdf003452ba86d82f2fa4a61c2b27a199f376ac307c095beaa4f52cefcab59c8b28fa187c0bca13f55f2d98b

    • SSDEEP

      1536:a44UF/3qab79HtYDAD5MPEBq9iNv6qfSOBHfVW:a44G3fRMPiuuv6qqOBHfVW

    Score
    3/10
    • Target

      DCRat/data/RarExt.dll

    • Size

      544KB

    • MD5

      1f3bb0f89e7cd67a76220ea2e3e7d8c6

    • SHA1

      0286863ca947b00a4e3489f07e1cddf9faddb87a

    • SHA256

      68ecb747f523d122c1c2094b3fb6035f7f76fbd948a97e3d42ee526824546fec

    • SHA512

      a95611f7b4cc7a3e5b9412d0c7e16616039c7152102b35aa8f672f15d21ff2478486c7a411d25d8f8d7b713a9bbd50f2a68bd048a6296a72ed4404c6cbb468ff

    • SSDEEP

      12288:6aw1L7U6Qu1rTGl74V7pt21DIwd2gOuy33SH9Bd3X3u1EZ:6aw1L7U6Qu1rTAEV7p1wd2ZuWA9Bd3XL

    Score
    3/10
    • Target

      DCRat/data/RarExt64.dll

    • Size

      632KB

    • MD5

      3e78ac1a5ca308b6efb1b457d5e4b147

    • SHA1

      b7c96a18b2c9797a0871d15b55fd14d5608a5e16

    • SHA256

      ad149a11b96939a6e129cff0c90ba6cac57ef3ed535649a73717d8223c48bbcb

    • SHA512

      6c3b2ca1aee8580752930afdd4bd01f71e8fde72f06e2ed407b9394fe33f1e51f61a9ebfb36345fb9ab5d6b469bc32352258729fd52a5204d0243cf852850bb6

    • SSDEEP

      12288:iBnnEQAdpv+cJtb6Sv7x87i3YhWOU9f/e3lgtoTEBd3X3un:ixEQAzlJteSv7Uae3EoTEBd3X38

    Score
    3/10
    • Target

      DCRat/data/WinCon.SFX

    • Size

      282KB

    • MD5

      aec7145167e9c207db5a932e615fbf87

    • SHA1

      b1209de9aab490749ab8021277a4475c56b541b2

    • SHA256

      88d0e8b4958660c5d4c57c81a7c198f5e52c1505104c0a4d57dc5ea02504564a

    • SHA512

      36e9ca67c8912a98b524c8a8bc95f90cfe3678519e8c02b3fa13f55beaabc9f181f17a7b3dbe455b10cec691c2ec07170d45848c5761106f3ed6a07a8ce294c2

    • SSDEEP

      6144:HKWzOebmBFftgnil/07Aai66iEGJ1BgIv:HVRyBFf+niNEAr62GHBgIv

    Score
    3/10
    • Target

      DCRat/data/Zip.SFX

    • Size

      265KB

    • MD5

      df73e45ff5feb3631f35bba82759a711

    • SHA1

      33e9a5e44baa2f54c1eab23a4a1462845586bdfc

    • SHA256

      e38c3c3b083a63e40d09903eed423bab2651620e89be308f91e1b2beb4e62283

    • SHA512

      4f42a5fd17b290e390b877951c5c8ff687d176a4c572e8b86feee64d0c72de7fb708596ad80d5110b85175772a5908f162994fc3142b1000d7e2aa65b5705ff8

    • SSDEEP

      3072:GpUWWln1EUWTQG9VnK+DMEMrvk1imdV8hXYKWF9j85WXuNSrq1k9jhQR8+t4Hk9I:g61E/QSnxoEMTlXEulock9X+t40VM

    Score
    3/10
    • Target

      DCRat/data/dnlib.dll

    • Size

      1.1MB

    • MD5

      de0069c4097c987bd30ebe8155a8af35

    • SHA1

      aced007f4d852d7b84c689a92d9c36e24381d375

    • SHA256

      83445595d38a8e33513b33dfc201983af4746e5327c9bed470a6282d91d539b6

    • SHA512

      66c45818e5c555e5250f8250ea704bc4ca32ddb4d5824c852ae5dc0f264b009af73c7c1e0db1b74c14ee6b612608d939386da23b56520cac415cd5a8f60a5502

    • SSDEEP

      24576:m+pL+hwfQvqx+yLjynb1YNzh/CNX7fegPeH3hid3Hc9ZEu5DkU6FPepU1VWv7fo0:sxvCLUJ

    Score
    1/10
    • Target

      DCRat/data/dotNET_Reactor.Console.exe

    • Size

      34KB

    • MD5

      69d18a3245f3c2fd02c82304c494e977

    • SHA1

      049cda6bc59daeadfe82fce2197e0e15c2847a7b

    • SHA256

      b55b0a652538836ed681c2afd985310fd39ad2f31ac159847fc46a6065f3232e

    • SHA512

      5791cffbc2389eaaf18e4f31c320325d4bdfadf7ab00c847bfedccbea8fec26a3f4452877d00c95e0573e90306d7a2c988c00fcb7d495ac22955c7f64fb047c3

    • SSDEEP

      768:5oOABBREOgrMTPrZwbiRPp7yMkZwuzZyiRYn7:5oHB2OlfZwbixp7yMkZwWZyien7

    Score
    7/10
    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target

      DCRat/data/dotNET_Reactor.exe

    • Size

      13.3MB

    • MD5

      bd73df4cf427511993075f7a16e037a5

    • SHA1

      63f116641b0655f53e93d62ae559d510ed5af134

    • SHA256

      fa0a32d408a8df70ec44f3d2374b058f57b86ff49b8068b8c68f8505d3463970

    • SHA512

      49ad63e65e1f6a454778c904727c948969145eb09457105093af463d933413a7d30437051c7ddb8ded0b46d38b2018a1a78c83af582ab6775bef870057a9dfc3

    • SSDEEP

      393216:xfuP82nPJiP63TKZqkoPrSz4rkZD1K1fU:xqPIPgTxkqrV6YN

    Score
    7/10
    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target

      DCRat/data/enc.vbe

    • Size

      692B

    • MD5

      f88125f6eafc7f4805913cf4077b2525

    • SHA1

      404917f27f1522cac77f3433594ccd290957da21

    • SHA256

      5981e508e89c65c445fca892e91b8ec39b1d8563804d0999d963d640aa592444

    • SHA512

      748249fe186892c96971a63b5055738f2b6beb3e49ba950c834de188fd62da4710ad1a5264f8caead6277b327df299d58e76a4ce219fc30fbd0281b9d5a52f54

    Score
    1/10
    • Target

      DCRat/data/mpress.exe

    • Size

      101KB

    • MD5

      8b632bfc3fe653a510cba277c2d699d1

    • SHA1

      d6a57aa17e5eb51297def9bac04e574c1e36d9c7

    • SHA256

      2852680c94a9d68cdab285012d9328a1ceca290db60c9e35155c2bb3e46a41b4

    • SHA512

      b9ea70ed984d3b4a42eceb9f34f222b722c4c1985b79b368d769fe0fd1f19f037ffebe2cf938aa98ed450337836a7469d911848448d99223995f7fb3a9304587

    • SSDEEP

      3072:S0+mlNniJkkKcfqBOb65VgB183gUGQ340HpL:SvmlNn4kkeOAVA1rUGh0Hp

    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks

static1

ratdcrat
Score
10/10

behavioral1

xwormdiscoveryexecutionrattrojan
Score
10/10

behavioral2

discoverymotwphishing
Score
6/10

behavioral3

discovery
Score
3/10

behavioral4

discovery
Score
3/10

behavioral5

Score
1/10

behavioral6

Score
1/10

behavioral7

Score
1/10

behavioral8

Score
1/10

behavioral9

Score
1/10

behavioral10

Score
1/10

behavioral11

discovery
Score
3/10

behavioral12

discovery
Score
3/10

behavioral13

discovery
Score
3/10

behavioral14

discovery
Score
3/10

behavioral15

discovery
Score
3/10

behavioral16

discovery
Score
3/10

behavioral17

Score
1/10

behavioral18

Score
3/10

behavioral19

discovery
Score
3/10

behavioral20

discovery
Score
3/10

behavioral21

discovery
Score
3/10

behavioral22

discovery
Score
3/10

behavioral23

Score
1/10

behavioral24

Score
1/10

behavioral25

discovery
Score
7/10

behavioral26

discovery
Score
7/10

behavioral27

discovery
Score
7/10

behavioral28

discovery
Score
7/10

behavioral29

Score
1/10

behavioral30

Score
1/10

behavioral31

Score
1/10

behavioral32

discovery
Score
3/10