General

  • Target

    TA579_20220614.zip

  • Size

    1019KB

  • Sample

    220615-qym42shban

  • MD5

    48a6cee41fe68c8dba38467f8570f7ff

  • SHA1

    a0f4412d626a0ec642a29ec8fc1427be47295118

  • SHA256

    421864ad5225415972168f2ca1b0e5b877b17449e25342ffce00b507d37633bb

  • SHA512

    7b9b6987166f5a110fbd4fac50f343a2e49e1743ea74897fffe861ed70b3095ad91dbbee1953a43b9d5f64601a854426a2b315b960b191d21ccdde0eb079ca6e

Malware Config

Extracted

Family

bumblebee

Botnet

146l

C2

242.165.212.79:339

162.144.249.150:239

63.122.120.151:268

144.52.138.51:193

18.215.29.142:436

115.239.67.202:380

255.11.235.99:426

213.203.201.199:307

143.117.20.123:425

141.98.168.70:443

174.150.214.40:426

133.133.249.24:204

126.68.7.249:422

103.175.16.107:443

146.70.124.77:443

154.56.0.100:443

180.184.129.160:223

28.78.74.145:427

108.28.254.44:399

115.103.22.1:153

rc4.plain

Targets

    • Target

      ScannedDocuments-0622.lnk

    • Size

      1KB

    • MD5

      3241e36fc0c204fd96ef9302a3b11969

    • SHA1

      9add539d4a7982cc426e6852f7223d5ace95549c

    • SHA256

      4c536168dab929de00efea26af786da1282aa2aa2b6809d89eb62ad76404b564

    • SHA512

      0c70f5cd7f64cacc3516162d2ce2832b83e7143a868d1c45eb2b09d1e8150cb125ecda6843f613546e5e27e828ae02bde8d8166da9d8a92934e343a9b493eb5d

    • 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

      inf.bat

    • Size

      41B

    • MD5

      993ea3729ef89775410c1f8a5e4a468f

    • SHA1

      3f5b69eb4d54ee92493f211e13ffb89cda914650

    • SHA256

      1e78385d81b5177c733c7e2ed2f91d5400fd526c786cac089aef6e6f6ec2f08e

    • SHA512

      14564f14807a341b161a753da27af790275e2dd0803c37c294c52d8882962ab0f774775417a80beacef4fb07cc36cc683077622d5851b5733005791a5d3abdff

    • 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.

    • Identifies Wine through registry keys

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

    • Target

      information.dll

    • Size

      2.0MB

    • MD5

      c9216484a6371b055705ec5f4098ab01

    • SHA1

      a13903e50408e11996159fba5f7deab1e73e8f08

    • SHA256

      fed9bc8df9141f8f8f7a9203bc26b5b22123c154702fcd625379f2f7ecd31cb2

    • SHA512

      64485bb8e1845a29f9d60343a0bd6fd8de4220aa83f3cd19eed47737642b79db2753106192798d495202e74016f2e845d161c1362ad09b01104f9cfb8c939359

    • 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.

    • Identifies Wine through registry keys

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

MITRE ATT&CK Enterprise v6

Tasks