Overview

overview

7

Static

static

3

Monochrome...up.exe

windows10-2004-x64

7

Monochrome...up.exe

windows11-ltsc_2024-x64

7

$PLUGINSDI...dl.dll

windows10-2004-x64

3

$PLUGINSDI...dl.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...nu.dll

windows10-2004-x64

3

$PLUGINSDI...nu.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...gs.dll

windows10-2004-x64

3

$PLUGINSDI...gs.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...ls.dll

windows10-2004-x64

3

$PLUGINSDI...ls.dll

windows11-ltsc_2024-x64

3

Monochrome.exe

windows10-2004-x64

6

Monochrome.exe

windows11-ltsc_2024-x64

6

Sharing

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General

  • Target
    Monochrome_1.0.1_x64-setup.exe
  • Size 3.5MB
  • Sample260811-eaxsssvfnf
  • SHA256 8b30316ef6b94603fbaad0af4bbed95ecd9dfca27cf0979024b8a1db433a085c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
defense_evasiondiscoverytrojan

Malware Config

Targets

    • Target
      Monochrome_1.0.1_x64-setup.exe
    • Size 3.5MB
    • SHA256 8b30316ef6b94603fbaad0af4bbed95ecd9dfca27cf0979024b8a1db433a085c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    defense_evasiondiscoverytrojan

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

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

      discovery

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Network Share Discovery

      Attempt to gather information on host network.

      discovery
    behavioral1behavioral2
    • Target
      $PLUGINSDIR/NSISdl.dll
    • Size 15KB
    • SHA256 ddf40229dd9d6b268902d8dea88c8a04aacf1af218dd29f6dcd35babc54ac08d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    discovery
    behavioral3behavioral4
    • Target
      $PLUGINSDIR/StartMenu.dll
    • Size 7KB
    • SHA256 fe330320459637d8dd2b5d84d07925c38ec264152ffd3b1760a4d44d76536caa
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    discovery
    behavioral5behavioral6
    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    discovery
    behavioral7behavioral8
    • Target
      $PLUGINSDIR/nsDialogs.dll
    • Size 9KB
    • SHA256 b1350f487692057c8ffde75dcc55287a52a3272240d4d4912f24464b27551fc0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    discovery
    behavioral10behavioral9
    • Target
      $PLUGINSDIR/nsis_tauri_utils.dll
    • Size 33KB
    • SHA256 5ba143b5db4a87d32d6e7802e033330aae56cbceabe0d1e3ba41948385ad4709
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    discovery
    behavioral11behavioral12
    • Target
      Monochrome.exe
    • Size 15.3MB
    • SHA256 bf5e438cf8ce168d432f8a58755ae12a6d24d49bccf4c1630a9426c46d550428
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    6/10
    defense_evasiondiscoverytrojan

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Network Share Discovery

      Attempt to gather information on host network.

      discovery
    behavioral13behavioral14

MITRE ATT&CK Enterprise v16

Tasks