General

  • Target

    07102023_1339_samples_part00.zip

  • Size

    1.2MB

  • Sample

    231007-gb9j4ahd3v

  • MD5

    f43927c3be5cad9523d8dab422f09ce2

  • SHA1

    8d11c3e4be81df538401518bb679f3ddf4982ceb

  • SHA256

    922ceb1d012920ad840955075cde0d92829d179d67e7116ebb97b61214d1b537

  • SHA512

    650b83cc318c5c68b0a42c920b05b444991ebfbce73a66b2205ba39ea45134bef8cfc70d98f735553b66ad2fb6b5a286b587df5d77a99b282e3d4d7402d59f1d

  • SSDEEP

    24576:y5HwQF5zbL/HtFuL+lGwp3WbTtGX9IqMjOLbCT0DR5eD0n:6QC1THtgL58WqMjOLT/rn

Malware Config

Extracted

Family

systembc

C2

93.115.28.138:443

192.168.1.28:443

162.33.179.100:443

45.91.203.197:443

45.147.231.86:4254

146.70.53.169:4254

Targets

    • Target

      0229b0ed2674e64d663aadcd2d289315b73b14b43b35101ff4fd69456b7c5557.bin

    • Size

      1.0MB

    • MD5

      17fc1332bb8885026657c75511954e07

    • SHA1

      9ebbd2f605e5d470db176376928b47940afc1565

    • SHA256

      0229b0ed2674e64d663aadcd2d289315b73b14b43b35101ff4fd69456b7c5557

    • SHA512

      0c38b4af0630d9d25aadb653aa9923b751852084db41002c3c78f6aa52a9fe77483237161f7f335ed49679e38007807cf6733a015da4c30824c069910e0061c1

    • SSDEEP

      24576:fsCTOsw3FBos9fcWKV7lI93TaSUk5wHocSRTIJCHXjqCrD:ftoK4vuy3Tz2IcuTmC3/

    Score
    10/10
    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • Target

      048b7d11768267d538ae8066805e65a387d52c90ecfd929f695866120e853904.bin

    • Size

      246KB

    • MD5

      97c63287dccb656315141f20f5a45b8f

    • SHA1

      8b2fb42275776d7dabd55e1b96ff82f394defe09

    • SHA256

      048b7d11768267d538ae8066805e65a387d52c90ecfd929f695866120e853904

    • SHA512

      314eba2deaba3643871d745960e15d74604605bd97c1b6f33b86b256c7ce5742e42eb84b724e2df3284de779677aba68add7ca294eb946d85cc3ea7c51b17a48

    • SSDEEP

      6144:1DrlZz/NwysubrnBp/RCFmaaVHEuQJJ+tMdZVHHB5Y:llF/NbLrPRCFQH0Jw/

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • Adds Run key to start application

    • Target

      0f9f03bf486e3823a6ad596d4c1bd707fe19031acc0d17a3138409c8f3ee89ae.bin

    • Size

      275KB

    • MD5

      218976414ca64c87d927e0e02e928228

    • SHA1

      d7cfb79d350bb5b13ec78a8b34a9cc2f05eabf93

    • SHA256

      0f9f03bf486e3823a6ad596d4c1bd707fe19031acc0d17a3138409c8f3ee89ae

    • SHA512

      e52af220c6339722a0f520ba42646a18ec1911f7c4bfcf9043eae74c2e5f95a77bdd683010cf1a6378eac0e49312bb1a2e70ffa5e5082c1572a0a29454008af0

    • SSDEEP

      6144:DpjrIOKLD/HU9SNqvkCGY0GG9dY5zbmIc+8aSVj2e:1jreLTHq6qvkCGY0GG9dubm5+8Vjz

    Score
    10/10
    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • Target

      13047f8cb7277ad8c1daa6f32cf4ae8029fb6ae9f839ed92d4cae12285ed366b.bin

    • Size

      24KB

    • MD5

      ee7c5c5b5fa637c13b2ed660528bb583

    • SHA1

      9447c3610fed636e994b59c44ae64afc180d0d7f

    • SHA256

      13047f8cb7277ad8c1daa6f32cf4ae8029fb6ae9f839ed92d4cae12285ed366b

    • SHA512

      92fde50e27ec7281183ed178b78e5fb98491a13bea43ec3ea068ab3c714217582e19207c929889e98c48fe19b53b7a1fc2ebcf355cd957158930151813cb2a3f

    • SSDEEP

      96:kscmO8QYts4D6x7Aa4Gn8Vk/MM4odWLqJBDeoUy7fZd9yxcEf92al+gEc:kbT8tdOxMa4a/Zbdfrdf0lAal+L

    Score
    1/10
    • Target

      13c6577c68731d9e93655897eecd39234af0eee76ba36844c8e57421c7a191d4.bin

    • Size

      347KB

    • MD5

      960f9112b687fc805cc7d6483ec60a14

    • SHA1

      a4f965d227bdc79f49e09172f27e4e647e065a05

    • SHA256

      13c6577c68731d9e93655897eecd39234af0eee76ba36844c8e57421c7a191d4

    • SHA512

      a1b8ef63d87f6a41627258297ab8da91e4d7efafb83220d03ce8046c7142c641f14e118483652a830b44c441af4eba668352860eae51994efff9fed84c13de57

    • SSDEEP

      6144:5kO+mGx363FXS+3oYU9IML4ChRJX6Tf1AR+O+v0NaRH:5pcRkFih9IMkC9qxr0NC

    Score
    7/10
    • Checks computer location settings

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

    • Deletes itself

MITRE ATT&CK Enterprise v15

Tasks