General

  • Target

    s3negar.zip

  • Size

    956KB

  • Sample

    220621-ty5wmsfgbm

  • MD5

    b780f6d5f99ad6a14cb7133104e22426

  • SHA1

    59b4a089c50e75d9a241ff4774875d1bab4917b6

  • SHA256

    ed5506c453718a8a50a65b63b0480dd6861db122d0601af632009156cea19b5b

  • SHA512

    583c9ab8f36016ff37399615f1309641ffc365a4ec09c4c9e5b5c1a94dc1e9d028a8248fca0a74626c9893f1d83cecb39724e1d2f2cb25a4004c20ada970bcda

Malware Config

Extracted

Family

bumblebee

Botnet

2006r

C2

149.4.32.76:241

194.104.136.152:443

119.230.89.42:407

45.153.241.234:443

173.45.237.73:444

169.239.191.195:335

173.107.248.213:137

90.108.111.212:276

146.19.173.105:443

216.4.65.112:354

52.6.247.44:324

162.212.72.241:135

114.188.145.216:303

5.109.171.105:392

142.11.216.143:443

87.144.64.172:286

103.250.125.252:491

117.173.171.58:296

157.2.47.226:120

53.50.204.254:356

rc4.plain

Targets

    • Target

      s3negar/documents.lnk

    • Size

      2KB

    • MD5

      1d43bbd7301e12a5047c10f1938a4e41

    • SHA1

      5088ef29327d60651678cadc8e00e3cca95c4dfb

    • SHA256

      26f55122d1ab31238ceb46e816717c50dd2aad69a991ef79f5a4824bbe96b921

    • SHA512

      826257ff28350eb645ed68f8fcf87a02d267b2594ee37963478807aeec391a5840977b80719882681eb29183206bc0d5936e92e31fdc4dfc0154b147edcc0570

    • BumbleBee

      BumbleBee is a webshell malware written in C++.

    • Enumerates VirtualBox registry keys

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Looks for VirtualBox Guest Additions in registry

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Target

      s3negar/s3negar.dll

    • Size

      1.6MB

    • MD5

      83f07110df33b070ebe99613a1acda4c

    • SHA1

      c97c747f3cb228ba3b00c0359fea2236070cb910

    • SHA256

      7173bf751a2bf8fb237a7cde943ddedd4e89a2b15b571899c84fbaa87c233e8f

    • SHA512

      0ff98beb21c391a54417b688cc38cdf38374af8ca3b27034a478c307f9f83699cc28babd326965349ee81d722aa341e63dca2157da341f8bceb7b29b69fd6224

    Score
    3/10

MITRE ATT&CK Enterprise v6

Tasks