General

  • Target

    36af16f1951a6edc1cbcd5a15c4bc1a68b2ce829a632e5ff2f37cf2167eac659

  • Size

    1.6MB

  • Sample

    240809-nme8yszepk

  • MD5

    65eac0d399f8d77cdd49c0fe9be0d3ef

  • SHA1

    3dbf25c4f491318b4434a6d38535fa3ca238a3e4

  • SHA256

    36af16f1951a6edc1cbcd5a15c4bc1a68b2ce829a632e5ff2f37cf2167eac659

  • SHA512

    9f351feb4ba5aa897d2e697b0b7d6426591d3671761ae557e2ad3f2f6fd4dc9a7c351fae6de12cd18702bf16527887c03e57200f329f85f3f08596f8690192b8

  • SSDEEP

    49152:4JxKaBzsLRFbwBulRxN/1hvztB0WDoSzSohNP4Kp7odiw3iBTqt:4JxKaR+R5BUmrLNoUw2ut

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

D4Dot

C2

154.61.75.91:4449

Attributes
  • delay

    1

  • install

    true

  • install_file

    D4dot.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      De4dot [Modded ArmDot]/AssemblyData.dll

    • Size

      59KB

    • MD5

      e7855f2e55a5c7c3f25f122aeb801329

    • SHA1

      fa4e4034e7fb4b19b717f68eead63b67ebd7b0bc

    • SHA256

      9a7ec57a2bc5582753b449981e799b7e9f88ebeb63ae9ff226dced015b87a965

    • SHA512

      30f4cfbceb39b9b1dba7159952912138b978ebe75e7adf47ec7e0313242b0e96fb9af78ed9244b45b60724e98a6e1966e474b655a16dc111c8a2cb20f2cc5182

    • SSDEEP

      768:l3sCDXAIMlcHMMGfrbKUWNOR/6gOwe4iI+4q0OsK6gOwe4iI+4q0OsKiqk9C7XIO:7DQsHMJrbKBc0C7XIXZKNr7Jr

    Score
    1/10
    • Target

      De4dot [Modded ArmDot]/AssemblyServer-CLR20-x64.exe

    • Size

      4KB

    • MD5

      bfa084eecdb01f256a319d0265987280

    • SHA1

      fbc420e5df0d363dc3dfba41b6e9cb02fd90c8b3

    • SHA256

      291d34f2e417eaff204da8daacf8215248a943e96c8476abaf4bdff63382fbc1

    • SHA512

      83480f9c0976bcc0d6002789fe30f92814f8bb99411c4083f3a2fbeaf5796f592caa72f64d329133d0eca003be84e57f06ee3eddbc24cdc875a0db232cdec131

    • SSDEEP

      48:6rh1CxV4rTMMHtPDp21gDyMkKKrn4ZLCVCOpfbNtm:jErTftbpgvr4kUAzNt

    Score
    1/10
    • Target

      De4dot [Modded ArmDot]/AssemblyServer-CLR20.exe

    • Size

      5KB

    • MD5

      c0bb148fe70f58a3fe5bc59b9fb75011

    • SHA1

      8b893ec93ec57e0797715658b7eedf6fab7c0ec8

    • SHA256

      db0e50089cf8b71e660bcdcdff7dde554f77ecbeb9469cd75bb1764bcedcd8b2

    • SHA512

      88d1f50caecafcd803747643182bf9f8458fe8beff896544cae7c8a7ba97812772c1d1bb8de2ce9d71b943b31ef13715e94a9d332798689cc7986f26b951224e

    • SSDEEP

      48:6C1FdJYL4jgDMPtPORGrlv7TpKKWMACCVCGpfbNtm:BBJ7jg2txHvRYUIzNt

    Score
    3/10
    • Target

      De4dot [Modded ArmDot]/AssemblyServer-CLR40-x64.exe

    • Size

      4KB

    • MD5

      beabd2dbdaee15eb90c5aa10cf7df26b

    • SHA1

      6131aa0449e1cd3d0d51d4d1d5ba73486f8381a7

    • SHA256

      e238499f9c3e7d7da98d15739b524ad3cb765f6ea5197569ba10f38adc9a2905

    • SHA512

      fb1a5ba20e8e08dfe986139d8c292a46109a04d7d7f7d12ee2bd7d2f7df3f0b32f2a352d20ffea528d5b5c4b4761521590acef4cdf9316734f80194fddd2f438

    • SSDEEP

      48:6wdh1CxV4rXXMMG1stP8yn3s4uVyYDyVADyqOKKrR4fNCVCOpfbNtm:BAErXXO1stkyc4urD0vr6kUAzNt

    Score
    1/10
    • Target

      De4dot [Modded ArmDot]/AssemblyServer-CLR40.exe

    • Size

      5KB

    • MD5

      ebc64535f7781c84c07b4abf21015f43

    • SHA1

      b40e8b32b6e21324b1c95b299a7ceb9e119d56e4

    • SHA256

      eaa825861da74e551fcecb253a1e6dd6ded5f87a8df9490a687e655ffdf9f301

    • SHA512

      33b170905f951ec96c83538a1e5ebba5694f883a3b90318df60fcf703f5e707ecfb5db7a4f6e8af5f7340ae0fc99e642362c7f2d85c2238626f722cd4a0f09be

    • SSDEEP

      48:6wAFdJYL4jZqMztPtF7GrlvdT/KKsMSACVCGpfbNtm:fqJ7jZ5t77unvnYUIzNt

    Score
    3/10
    • Target

      De4dot [Modded ArmDot]/AssemblyServer-x64.exe

    • Size

      4KB

    • MD5

      89cebfa16f180ccbc4bc2241882ac0f6

    • SHA1

      c9248aa3d7e398a635d77c58bfdc0deb45f1b24d

    • SHA256

      c0c8af9ebc5459b4a5a78337aa7fd6d24d9dbab77fd29d7d119209eab0e08be6

    • SHA512

      649f5befc48de513460d31ed90b2ced9dc7b8841631d710a1d5f879debe461db72b963a51ec515b03f4e47aa16abe111b6f9d150913920469297c02274acdfb1

    • SSDEEP

      48:6nVUkjB8a4PCMdtPb3JwULy28WiJDFTMiKK/y3VpCVCapfbNtm:Ch8/P3tT3jy2xiJlfvK2UMzNt

    Score
    1/10
    • Target

      De4dot [Modded ArmDot]/AssemblyServer.exe

    • Size

      5KB

    • MD5

      dd347ec0482aaf33be80f5dfaf7b18dc

    • SHA1

      d6f75c22a5e0b101373e735298ac2f2086670568

    • SHA256

      d9fe389bd53d1070355230ff51b83822374e50928949ebd774a97d7396972f66

    • SHA512

      b4d21b2da240d847499f4cb7b240da9b8b2fedf1886b9099a26bb6722fd2c480314d591d48ef850a7352e729a3df1570af517dd205658d691cb598ae81981ae7

    • SSDEEP

      48:6LZVeoa5cclTJGB1KrMQVWtPq1RTzo1u6td5AnLbKKyOQD0CVColNpfbNtm:AcXTJsItWti1RL6tgfvzQRUoBzNt

    Score
    3/10
    • Target

      De4dot [Modded ArmDot]/de4dot -64.exe

    • Size

      864KB

    • MD5

      5adaa98a0b8e6411899f38807992afc6

    • SHA1

      286990f8674e0369a9c27f4ffc346383c5c4b03e

    • SHA256

      956a589c4da96ec8386890e9500918dfbfbab1caaae0adc0b9366fa25dc46e52

    • SHA512

      700be06def67aa38426cef84d1394f2eb6b30a198857f48df0d6449e85251ee8af764f2574c66e769980275613738056c68c4dfbd0bd74dc255e5dd90254fff6

    • SSDEEP

      24576:H/1vb3S3HSpqUXw/bD/ZOGsoXio18NwV+Zg:JiHaIg/obVYg

    Score
    10/10
    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Async RAT payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Target

      De4dot [Modded ArmDot]/de4dot.blocks.dll

    • Size

      142KB

    • MD5

      460a56f0d20dbf7c9007e0dcc43d4bac

    • SHA1

      2bcedaf94ed27310201f4b9b21b43f46523950ab

    • SHA256

      ebaff98125abd5b3d07abdcb84cdeda9b036b89e9f25b4c93b955863ab2800ca

    • SHA512

      4c29667b50c334ec28ede51c86f2aab927878fdadc5a5c8187a92eff104e56322a0e745b6534be3d67905b5901eb8e12827d9330f4d85e81b9ec2f92d93c9410

    • SSDEEP

      3072:duLC5gCWwih0uX9XP1o6LV7FA/Be+4XveGbGqUg:dKEDWwkX9XPfLxF2BUvekGq

    Score
    1/10
    • Target

      De4dot [Modded ArmDot]/de4dot.code.dll

    • Size

      1.1MB

    • MD5

      548b21f05bedbb66d643e685cb185dcb

    • SHA1

      c4d72e0889e7ad10fbdc53bd42aea27987009350

    • SHA256

      6bb44aad327fdc4f0ccb29094c54839d8d0775c5902cfd9aed958324958c3583

    • SHA512

      06eb1a2f775cf887c84f56f6d65eb8da7587a5979b95deac669558c6c364fc9f3e1b0f696f8b66fa9956b4c250f221d80ec4d0cd44ac3032e8fe7d34fb95e684

    • SSDEEP

      24576:M2dXdCFHEZFB4/Kq4K7oZKDI3YrZqSBSASb:vdwFb/foZ+rZqSBSASb

    Score
    1/10
    • Target

      De4dot [Modded ArmDot]/de4dot.cui.dll

    • Size

      42KB

    • MD5

      509cb694c9e01ad329209db04456238d

    • SHA1

      2d508683f0dfb8631abd1b85a616ca3068257892

    • SHA256

      ccb365bf9d1bef2ca6b51dc3e7e2502ac7ccb0bdfa5c75c91482fac6b5b740d6

    • SHA512

      c9d2cb7c28a6df9c177142d056cb73d3f25e7ce1ce670c074972d8d0babca653d87cc11894e0048ce30da0558334badc74514557ecf4ba6e7207a351c5597148

    • SSDEEP

      768:EEGnQ1DRMu5Bwe5s5ECyqG7lIRyj/BjpG4sz3BaI4oOLlKgph:EQdR7we5s5N/G7lIRC4ryKgph

    Score
    1/10
    • Target

      De4dot [Modded ArmDot]/de4dot.exe

    • Size

      864KB

    • MD5

      5adaa98a0b8e6411899f38807992afc6

    • SHA1

      286990f8674e0369a9c27f4ffc346383c5c4b03e

    • SHA256

      956a589c4da96ec8386890e9500918dfbfbab1caaae0adc0b9366fa25dc46e52

    • SHA512

      700be06def67aa38426cef84d1394f2eb6b30a198857f48df0d6449e85251ee8af764f2574c66e769980275613738056c68c4dfbd0bd74dc255e5dd90254fff6

    • SSDEEP

      24576:H/1vb3S3HSpqUXw/bD/ZOGsoXio18NwV+Zg:JiHaIg/obVYg

    Score
    10/10
    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Async RAT payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Target

      De4dot [Modded ArmDot]/de4dot.mdecrypt.dll

    • Size

      21KB

    • MD5

      37aa45ea47234d472c35d05772d1840b

    • SHA1

      b5b706055bc47302c62f2ecb25466733f9dfede8

    • SHA256

      5545bba373e0cf8a5f25b114c8a422f15e0971344a26b4447985232c2d8bf19a

    • SHA512

      61d29719a842b90cc2c669f15647e751d56307682b67bfb3af65136036889d259b7f58caabe2185ee7b93c004eaf85f8a5b0f884df99f69fbe29a9625d4e64cd

    • SSDEEP

      384:R7tK8BynZxsbsfioH0M1yrLhDg6qTTuprXtiSQgbytJNu:+8snZxsbi/uNg6qTShwCbyt+

    Score
    1/10
    • Target

      De4dot [Modded ArmDot]/dnlib.dll

    • Size

      1.1MB

    • MD5

      de0069c4097c987bd30ebe8155a8af35

    • SHA1

      aced007f4d852d7b84c689a92d9c36e24381d375

    • SHA256

      83445595d38a8e33513b33dfc201983af4746e5327c9bed470a6282d91d539b6

    • SHA512

      66c45818e5c555e5250f8250ea704bc4ca32ddb4d5824c852ae5dc0f264b009af73c7c1e0db1b74c14ee6b612608d939386da23b56520cac415cd5a8f60a5502

    • SSDEEP

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

    Score
    1/10

MITRE ATT&CK Enterprise v15

Tasks

static1

agilenet
Score
7/10

behavioral1

Score
1/10

behavioral2

Score
1/10

behavioral3

Score
1/10

behavioral4

Score
1/10

behavioral5

discovery
Score
3/10

behavioral6

discovery
Score
3/10

behavioral7

Score
1/10

behavioral8

Score
1/10

behavioral9

discovery
Score
3/10

behavioral10

discovery
Score
3/10

behavioral11

Score
1/10

behavioral12

Score
1/10

behavioral13

discovery
Score
3/10

behavioral14

discovery
Score
3/10

behavioral15

asyncratd4dotrat
Score
10/10

behavioral16

asyncratd4dotrat
Score
10/10

behavioral17

Score
1/10

behavioral18

Score
1/10

behavioral19

Score
1/10

behavioral20

Score
1/10

behavioral21

Score
1/10

behavioral22

Score
1/10

behavioral23

asyncratd4dotrat
Score
10/10

behavioral24

asyncratd4dotrat
Score
10/10

behavioral25

Score
1/10

behavioral26

Score
1/10

behavioral27

Score
1/10

behavioral28

Score
1/10