General

  • Target

    MaerskPreawbsamedaydelivery636489384759390200.vbs

  • Size

    187KB

  • Sample

    240626-sra71szfqd

  • MD5

    4948f25f03e8b1e397066530f79d85dd

  • SHA1

    3d8328d506504a47eefaa9425b08a4070ef494e5

  • SHA256

    c34b1264320651723222ea0785511f7f317dd295b38b0c0a23d0ac421a3c1e48

  • SHA512

    d92a357cfdfc0810fc31cd4ad3f35ec62f4860338d626ab4b79e027431fe70556ecc330650b4848803a84077b5fd9b93fd58380bbc2adda8953b2322ea5c06d1

  • SSDEEP

    3072:YmN8GGebKjeK3ubth+DCFxKCvBB/WnHPP1w/sLJFJ281QIHz1y8mNy7Ey1MgKTZ/:Y08GxbKja3+DCbKCvBB/WnHXC/sLJFJw

Malware Config

Targets

    • Target

      MaerskPreawbsamedaydelivery636489384759390200.vbs

    • Size

      187KB

    • MD5

      4948f25f03e8b1e397066530f79d85dd

    • SHA1

      3d8328d506504a47eefaa9425b08a4070ef494e5

    • SHA256

      c34b1264320651723222ea0785511f7f317dd295b38b0c0a23d0ac421a3c1e48

    • SHA512

      d92a357cfdfc0810fc31cd4ad3f35ec62f4860338d626ab4b79e027431fe70556ecc330650b4848803a84077b5fd9b93fd58380bbc2adda8953b2322ea5c06d1

    • SSDEEP

      3072:YmN8GGebKjeK3ubth+DCFxKCvBB/WnHPP1w/sLJFJ281QIHz1y8mNy7Ey1MgKTZ/:Y08GxbKja3+DCbKCvBB/WnHXC/sLJFJw

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Email Collection

1
T1114

Tasks