General

  • Target
    SENSI MS BYPASS-ALTERNATIVO.rar
  • Size 674.8MB
  • Sample260719-d1tcmaaz2n
  • SHA256 5a06d9fbe932e822217ace5ef4d80506856f518408c9c08df878bce9740814f8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xred

C2
  • xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Targets

    • Target
      SENSI MS BYPASS ALTERNATIVO/PASO 2- INSTALAR REQUERIMIENTOS/Microsoft DirectX/dsetup32.dll
    • Size 1.5MB
    • SHA256 8a011da043a4b81e2b3d41a332e0ff23a65d546bd7636e8bc74885e8746927d6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    4/10
    • Target
      SENSI MS BYPASS ALTERNATIVO/PASO 2- INSTALAR REQUERIMIENTOS/Microsoft DirectX/dxupdate.dll
    • Size 173KB
    • SHA256 300abf15fc1b38373053b898ad9a57098fa5656f26325f45b3d644befa74d428
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      SENSI MS BYPASS ALTERNATIVO/PASO 2- INSTALAR REQUERIMIENTOS/Microsoft DirectX/dxwsetup.exe
    • Size 1.2MB
    • SHA256 0988228a6783c41ccf60ea36bf837299f8146383265c04cc66919101207c9a18
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Xred

      Xred is backdoor written in Delphi.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Drops file in System32 directory

    • Target
      SENSI MS BYPASS ALTERNATIVO/PASO 2- INSTALAR REQUERIMIENTOS/Microsoft Visual C++/._cache_vcredist2005_x64.exe
    • Size 4.1MB
    • SHA256 bb9e8606e26c2b76984252182f7db0d6e9108b204b81d2a7b036c9b618c1f9f1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      SENSI MS BYPASS ALTERNATIVO/PASO 2- INSTALAR REQUERIMIENTOS/Microsoft Visual C++/._cache_vcredist2005_x86.exe
    • Size 2.6MB
    • SHA256 c615d7454875949fd969f95f114e168fbe8867c01f1a7db632f54f53c2ebe75c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      SENSI MS BYPASS ALTERNATIVO/PASO 2- INSTALAR REQUERIMIENTOS/Microsoft Visual C++/._cache_vcredist2008_x64.exe
    • Size 5.0MB
    • SHA256 b811f2c047a3e828517c234bd4aa4883e1ec591d88fad21289ae68a6915a6665
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    • Executes dropped EXE

    • Loads dropped DLL

    • Target
      SENSI MS BYPASS ALTERNATIVO/PASO 2- INSTALAR REQUERIMIENTOS/Microsoft Visual C++/._cache_vcredist2008_x86.exe
    • Size 4.3MB
    • SHA256 6b3e4c51c6c0e5f68c8a72b497445af3dbf976394cbb62aa23569065c28deeb6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      SENSI MS BYPASS ALTERNATIVO/PASO 2- INSTALAR REQUERIMIENTOS/Microsoft Visual C++/._cache_vcredist2010_x64.exe
    • Size 9.8MB
    • SHA256 cc7ec044218c72a9a15fca2363baed8fc51095ee3b2a7593476771f9eba3d223
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks system information in the registry

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

    • Target
      SENSI MS BYPASS ALTERNATIVO/PASO 2- INSTALAR REQUERIMIENTOS/Microsoft Visual C++/._cache_vcredist2010_x86.exe
    • Size 8.6MB
    • SHA256 67313b3d1bc86e83091e8de22981f14968f1a7fb12eb7ad467754c40cd94cc3d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks system information in the registry

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

    • Target
      SENSI MS BYPASS ALTERNATIVO/PASO 2- INSTALAR REQUERIMIENTOS/Microsoft Visual C++/._cache_vcredist2012_x64.exe
    • Size 6.9MB
    • SHA256 681be3e5ba9fd3da02c09d7e565adfa078640ed66a0d58583efad2c1e3cc4064
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    4/10
    • Target
      SENSI MS BYPASS ALTERNATIVO/PASO 2- INSTALAR REQUERIMIENTOS/Microsoft Visual C++/._cache_vcredist2012_x86.exe
    • Size 6.3MB
    • SHA256 b924ad8062eaf4e70437c8be50fa612162795ff0839479546ce907ffa8d6e386
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    4/10
    • Target
      SENSI MS BYPASS ALTERNATIVO/PASO 2- INSTALAR REQUERIMIENTOS/Microsoft Visual C++/._cache_vcredist2013_x64.exe
    • Size 6.9MB
    • SHA256 a4bba7701e355ae29c403431f871a537897c363e215cafe706615e270984f17c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    4/10
    • Target
      SENSI MS BYPASS ALTERNATIVO/PASO 2- INSTALAR REQUERIMIENTOS/Microsoft Visual C++/._cache_vcredist2013_x86.exe
    • Size 6.2MB
    • SHA256 53b605d1100ab0a88b867447bbf9274b5938125024ba01f5105a9e178a3dcdbd
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    4/10
    • Target
      SENSI MS BYPASS ALTERNATIVO/PASO 2- INSTALAR REQUERIMIENTOS/Microsoft Visual C++/._cache_vcredist2015_x64.exe
    • Size 14.4MB
    • SHA256 40ea2955391c9eae3e35619c4c24b5aaf3d17aeaa6d09424ee9672aa9372aeed
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    4/10
    • Target
      SENSI MS BYPASS ALTERNATIVO/PASO 2- INSTALAR REQUERIMIENTOS/Microsoft Visual C++/._cache_vcredist2015_x86.exe
    • Size 13.7MB
    • SHA256 e59ae3e886bd4571a811fe31a47959ae5c40d87c583f786816c60440252cd7ec
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    4/10
    • Target
      SENSI MS BYPASS ALTERNATIVO/PASO 2- INSTALAR REQUERIMIENTOS/Microsoft Visual C++/install_all.bat
    • Size 952B
    • SHA256 84e57c95fb1c5364cff4444fac99629d9c780b4cbbb693878ca559c697e85715
    • MD5 SHA1 SHA512 TLSH
    • Family: Xred

      Xred is backdoor written in Delphi.

    • Suspicious Office macro

      Office document equipped with macros.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks

static1

upxbackdoorxred
Score
10/10

behavioral1

discovery
Score
4/10

behavioral2

discovery
Score
4/10

behavioral3

discovery
Score
3/10

behavioral4

discovery
Score
3/10

behavioral5

backdoordiscoveryxredpersistence
Score
10/10

behavioral6

backdoordiscoveryxredpersistence
Score
10/10

behavioral7

discoverypersistenceprivilege_escalationransomware
Score
7/10

behavioral8

discoverypersistenceprivilege_escalationransomware
Score
7/10

behavioral9

discovery
Score
3/10

behavioral10

discovery
Score
3/10

behavioral11

discovery
Score
7/10

behavioral12

discovery
Score
7/10

behavioral13

discovery
Score
7/10

behavioral14

discovery
Score
7/10

behavioral15

discovery
Score
7/10

behavioral16

defense_evasiondiscovery
Score
7/10

behavioral17

discovery
Score
7/10

behavioral18

defense_evasiondiscovery
Score
7/10

behavioral19

discovery
Score
4/10

behavioral20

discovery
Score
4/10

behavioral21

discovery
Score
4/10

behavioral22

discovery
Score
4/10

behavioral23

discovery
Score
4/10

behavioral24

discovery
Score
4/10

behavioral25

discovery
Score
4/10

behavioral26

discovery
Score
4/10

behavioral27

discovery
Score
4/10

behavioral28

discovery
Score
4/10

behavioral29

discovery
Score
4/10

behavioral30

discovery
Score
4/10

behavioral31

backdoordiscoveryexecutionxredpersistenceprivilege_escalationransomware
Score
10/10

behavioral32

backdoordiscoveryexecutionxredmacropersistenceprivilege_escalationransomware
Score
10/10