General

  • Target

    1c01bfb3c6c8e8d8e41f58d91f39e9bc3f2565e608c44530deab1c21311d1f1d

  • Size

    218KB

  • Sample

    221220-mcjb7ahc49

  • MD5

    4e5d5bb87c7124a8499561f7cf9aaae1

  • SHA1

    0f3bbe5b06c4d18e35a4c8d0da928e4d4c2e3675

  • SHA256

    1c01bfb3c6c8e8d8e41f58d91f39e9bc3f2565e608c44530deab1c21311d1f1d

  • SHA512

    11bb1546f3c379329a89c8ef88d7ea5a88bbefd46579b2d144f99d74f7ac994fe1613e9ff30ec8695185f87034c25e6ef8e40d1f090bfdf7bcdb7ff9e1e2d30b

  • SSDEEP

    3072:KgPdJqLfSt9R370ZL8IElanwOB8abX7bm7b/eUKKw7NHCDml:K03qL69omIE+TB8ab+a5Ca

Malware Config

Extracted

Family

systembc

C2

109.205.214.18:443

Targets

    • Target

      1c01bfb3c6c8e8d8e41f58d91f39e9bc3f2565e608c44530deab1c21311d1f1d

    • Size

      218KB

    • MD5

      4e5d5bb87c7124a8499561f7cf9aaae1

    • SHA1

      0f3bbe5b06c4d18e35a4c8d0da928e4d4c2e3675

    • SHA256

      1c01bfb3c6c8e8d8e41f58d91f39e9bc3f2565e608c44530deab1c21311d1f1d

    • SHA512

      11bb1546f3c379329a89c8ef88d7ea5a88bbefd46579b2d144f99d74f7ac994fe1613e9ff30ec8695185f87034c25e6ef8e40d1f090bfdf7bcdb7ff9e1e2d30b

    • SSDEEP

      3072:KgPdJqLfSt9R370ZL8IElanwOB8abX7bm7b/eUKKw7NHCDml:K03qL69omIE+TB8ab+a5Ca

    • Danabot

      Danabot is a modular banking Trojan that has been linked with other malware.

    • Detects Smokeloader packer

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • SystemBC

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Sets DLL path for service in the registry

    • Sets service image path in registry

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

2
T1060

Defense Evasion

Modify Registry

3
T1112

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Tasks