Analysis

  • max time kernel
    170s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-02-2023 21:02

General

  • Target

    travelpeov.exe

  • Size

    193.2MB

  • MD5

    2928f4a10f1a824d26f56052accd9926

  • SHA1

    93af9c82a7dedef40f3ab1b1a6a414210d90c192

  • SHA256

    125df6f2b9f5445123c888a654df37e3bc185adb45e94e79b1e44627b1cbf65a

  • SHA512

    4bd74f377bbd9ab41dd5fe0448a2d77e062a795b6e30a5961e2b62c70d5f1c35a470fe9a7cdbc313f40f8fbda086935e02677ba05213689bcec3b58eef5ea3e2

  • SSDEEP

    96:eSwqiJBpnpML3uibpR3KbofKkor74BzNt:eBpnsLRPwof3oXu

Malware Config

Extracted

Family

purecrypter

C2

https://www.franceconsobanque.fr/wp-admin/images/css/design/fabric/bo/Sjbgpxzi.bmp

Extracted

Family

redline

Botnet

@gestaslinoff

C2

45.15.157.131:36457

Attributes
  • auth_value

    95adc00b732fc138a3ecc231c485a57a

Signatures

  • PureCrypter

    PureCrypter is a .NET malware loader first seen in early 2021.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\travelpeov.exe
    "C:\Users\Admin\AppData\Local\Temp\travelpeov.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2304
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMwA1AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4916
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3176
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2392
    • C:\Users\Admin\AppData\Local\Temp\travelpeov.exe
      C:\Users\Admin\AppData\Local\Temp\travelpeov.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2424
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Enumerates system info in registry
    PID:4968

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    1KB

    MD5

    4280e36a29fa31c01e4d8b2ba726a0d8

    SHA1

    c485c2c9ce0a99747b18d899b71dfa9a64dabe32

    SHA256

    e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359

    SHA512

    494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\travelpeov.exe.log

    Filesize

    1KB

    MD5

    fa566c9cc0cdfc2479d186ed2a7d2078

    SHA1

    a4f5bc2d5d055a766b19f095f0a670eeda57c24b

    SHA256

    bccaf63847951e065e8af3714593cdd2f8ecb76b384c1f7c71e3cd89df314960

    SHA512

    ab3efa28f6f90dddde1472a474e26874e21248cc26603acb582ceb419e81165f4dc1044551755635dc6fd89600cbe0f1daec2ccb185fe77c68df16622e53396f

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

    Filesize

    53KB

    MD5

    06ad34f9739c5159b4d92d702545bd49

    SHA1

    9152a0d4f153f3f40f7e606be75f81b582ee0c17

    SHA256

    474813b625f00710f29fa3b488235a6a22201851efb336bddf60d7d24a66bfba

    SHA512

    c272cd28ae164d465b779163ba9eca6a28261376414c6bbdfbd9f2128adb7f7ff1420e536b4d6000d0301ded2ec9036bc5c657588458bff41f176bdce8d74f92

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    16KB

    MD5

    39812f7d90b8e4b5d8fa283b41fa1c89

    SHA1

    aa98334485aa60383d4b2c5ffc855c9c2f278c72

    SHA256

    40a50ef41177e3d0f9c111dbf01a410813f08315865f786200e6665b3668a2cc

    SHA512

    ad6843582af654eda5ea3b6f58d2b7b6a9dd545b4037eeebebd846cbf3ffef2d289094f55ce9094b16561927c0ab19eaf4dd6d0ddfcc8215091145321f8dd4ed

  • memory/2304-133-0x0000000005DC0000-0x0000000006364000-memory.dmp

    Filesize

    5.6MB

  • memory/2304-134-0x0000000005810000-0x00000000058A2000-memory.dmp

    Filesize

    584KB

  • memory/2304-135-0x0000000007420000-0x0000000007442000-memory.dmp

    Filesize

    136KB

  • memory/2304-132-0x0000000000DD0000-0x0000000000DD8000-memory.dmp

    Filesize

    32KB

  • memory/2392-156-0x000000006E160000-0x000000006E1AC000-memory.dmp

    Filesize

    304KB

  • memory/2392-159-0x00000000077E0000-0x0000000007876000-memory.dmp

    Filesize

    600KB

  • memory/2392-162-0x0000000007720000-0x0000000007728000-memory.dmp

    Filesize

    32KB

  • memory/2392-161-0x0000000007740000-0x000000000775A000-memory.dmp

    Filesize

    104KB

  • memory/2392-160-0x0000000006080000-0x000000000608E000-memory.dmp

    Filesize

    56KB

  • memory/2392-158-0x00000000075A0000-0x00000000075AA000-memory.dmp

    Filesize

    40KB

  • memory/2392-157-0x0000000006790000-0x00000000067AE000-memory.dmp

    Filesize

    120KB

  • memory/2392-155-0x00000000071B0000-0x00000000071E2000-memory.dmp

    Filesize

    200KB

  • memory/2424-146-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2424-153-0x0000000004EB0000-0x0000000004EC2000-memory.dmp

    Filesize

    72KB

  • memory/2424-164-0x0000000006F90000-0x00000000074BC000-memory.dmp

    Filesize

    5.2MB

  • memory/2424-152-0x0000000004F80000-0x000000000508A000-memory.dmp

    Filesize

    1.0MB

  • memory/2424-154-0x0000000004F10000-0x0000000004F4C000-memory.dmp

    Filesize

    240KB

  • memory/2424-163-0x0000000006890000-0x0000000006A52000-memory.dmp

    Filesize

    1.8MB

  • memory/2424-150-0x0000000005400000-0x0000000005A18000-memory.dmp

    Filesize

    6.1MB

  • memory/4916-138-0x00000000055F0000-0x0000000005C18000-memory.dmp

    Filesize

    6.2MB

  • memory/4916-141-0x0000000006550000-0x000000000656E000-memory.dmp

    Filesize

    120KB

  • memory/4916-137-0x0000000002F00000-0x0000000002F36000-memory.dmp

    Filesize

    216KB

  • memory/4916-143-0x0000000006960000-0x000000000697A000-memory.dmp

    Filesize

    104KB

  • memory/4916-142-0x0000000007BC0000-0x000000000823A000-memory.dmp

    Filesize

    6.5MB

  • memory/4916-140-0x0000000005E80000-0x0000000005EE6000-memory.dmp

    Filesize

    408KB

  • memory/4916-139-0x0000000005C20000-0x0000000005C86000-memory.dmp

    Filesize

    408KB