Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    16-12-2021 17:10

General

  • Target

    tmp/c945c4d8-65a1-4a58-8035-632fca52aa6a_vbc.exe

  • Size

    397KB

  • MD5

    023aae8d4a78eb3c9189e94336b4bae6

  • SHA1

    437a019e8b83a84da6ded500f8ca9cd4198398ed

  • SHA256

    3cbfb1f777724a6dded49ae440d80971994b98a51553880601529588717e0e47

  • SHA512

    42a0645f3fb023bd50128229fbd762a90fa53f146ab4d7b0ab283cd44a0da6effb2bbee583fc6ffcd636daeaad2373926e742f856c7d78d6742db782850b8fe4

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

ea0r

Decoy

lionheartcreativestudios.com

konzertmanagement.com

blackpanther.online

broychim-int.com

takut18.com

txstarsolar.com

herdsherpa.com

igorshestakov.com

shinesbox.com

reflectpkljlt.xyz

oiltoolshub.com

viralmoneychallenge.com

changingalphastrategies.com

mecitiris.com

rdadmin.online

miniambiente.com

kominarcine.com

pino-almond.com

heihit.xyz

junqi888.com

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • NSIS installer 10 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp\c945c4d8-65a1-4a58-8035-632fca52aa6a_vbc.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp\c945c4d8-65a1-4a58-8035-632fca52aa6a_vbc.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:764
    • C:\Users\Admin\AppData\Local\Temp\3582-490\c945c4d8-65a1-4a58-8035-632fca52aa6a_vbc.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\c945c4d8-65a1-4a58-8035-632fca52aa6a_vbc.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1884
      • C:\Users\Admin\AppData\Local\Temp\3582-490\c945c4d8-65a1-4a58-8035-632fca52aa6a_vbc.exe
        "C:\Users\Admin\AppData\Local\Temp\3582-490\c945c4d8-65a1-4a58-8035-632fca52aa6a_vbc.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:472

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Change Default File Association

1
T1042

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\c945c4d8-65a1-4a58-8035-632fca52aa6a_vbc.exe
    MD5

    8b7820fd7d45dcd564fb92db1ebe9295

    SHA1

    c383a24a84143123f120f754bb0877b91628ff5b

    SHA256

    c1657f01ccef85f3f46740a96704bc5dccfb4cf8fc9ac09abcfd7aa6660448f7

    SHA512

    96ffc3d1d785035b47342b700d2930cf4daee597d02e97310a53be8baa819b403dbd96e82470fa0483f5bb442728c4e0eb352ebca0945070a49013451c441590

  • C:\Users\Admin\AppData\Local\Temp\3582-490\c945c4d8-65a1-4a58-8035-632fca52aa6a_vbc.exe
    MD5

    8b7820fd7d45dcd564fb92db1ebe9295

    SHA1

    c383a24a84143123f120f754bb0877b91628ff5b

    SHA256

    c1657f01ccef85f3f46740a96704bc5dccfb4cf8fc9ac09abcfd7aa6660448f7

    SHA512

    96ffc3d1d785035b47342b700d2930cf4daee597d02e97310a53be8baa819b403dbd96e82470fa0483f5bb442728c4e0eb352ebca0945070a49013451c441590

  • C:\Users\Admin\AppData\Local\Temp\3582-490\c945c4d8-65a1-4a58-8035-632fca52aa6a_vbc.exe
    MD5

    8b7820fd7d45dcd564fb92db1ebe9295

    SHA1

    c383a24a84143123f120f754bb0877b91628ff5b

    SHA256

    c1657f01ccef85f3f46740a96704bc5dccfb4cf8fc9ac09abcfd7aa6660448f7

    SHA512

    96ffc3d1d785035b47342b700d2930cf4daee597d02e97310a53be8baa819b403dbd96e82470fa0483f5bb442728c4e0eb352ebca0945070a49013451c441590

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\c945c4d8-65a1-4a58-8035-632fca52aa6a_vbc.exe
    MD5

    8b7820fd7d45dcd564fb92db1ebe9295

    SHA1

    c383a24a84143123f120f754bb0877b91628ff5b

    SHA256

    c1657f01ccef85f3f46740a96704bc5dccfb4cf8fc9ac09abcfd7aa6660448f7

    SHA512

    96ffc3d1d785035b47342b700d2930cf4daee597d02e97310a53be8baa819b403dbd96e82470fa0483f5bb442728c4e0eb352ebca0945070a49013451c441590

  • \Users\Admin\AppData\Local\Temp\3582-490\c945c4d8-65a1-4a58-8035-632fca52aa6a_vbc.exe
    MD5

    8b7820fd7d45dcd564fb92db1ebe9295

    SHA1

    c383a24a84143123f120f754bb0877b91628ff5b

    SHA256

    c1657f01ccef85f3f46740a96704bc5dccfb4cf8fc9ac09abcfd7aa6660448f7

    SHA512

    96ffc3d1d785035b47342b700d2930cf4daee597d02e97310a53be8baa819b403dbd96e82470fa0483f5bb442728c4e0eb352ebca0945070a49013451c441590

  • \Users\Admin\AppData\Local\Temp\nsiCF03.tmp\ancprnfrgdi.dll
    MD5

    43e23cb30db04f30af162414f5fcb084

    SHA1

    2f8db11d592b1b28d56f9ba4e8666af458100a3b

    SHA256

    94f51bd2bafd932f5c3ae824f2a2f93be2978c6b7c194f4f39231bce3ac7fac4

    SHA512

    cb1ec23a47939760f6fd6e2e090124bf89c89190ed6cfe634274fdcded11fa868b7ca0c7379ec1452339e4c361a6c052f3bca9dfb44595309af02cfe16fa9daf

  • memory/472-62-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/472-63-0x000000000041D410-mapping.dmp
  • memory/472-65-0x0000000000920000-0x0000000000C23000-memory.dmp
    Filesize

    3.0MB

  • memory/764-54-0x0000000075D61000-0x0000000075D63000-memory.dmp
    Filesize

    8KB

  • memory/1884-56-0x0000000000000000-mapping.dmp