Analysis

  • max time kernel
    234s
  • max time network
    336s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    05-05-2023 20:37

General

  • Target

    FCC6630A3781BC584F63448D62E3AEAB8C1B7287115CD.exe

  • Size

    2.4MB

  • MD5

    b39a7bc324162d5bbe0ebb53c5f72a74

  • SHA1

    1c3cb0cba6b2aca973aed18953bf394c96aadddd

  • SHA256

    fcc6630a3781bc584f63448d62e3aeab8c1b7287115cddf06edb4a88a4a7c060

  • SHA512

    72a8de9c826aff66f11ca849652d291a5cccf317830d8b6dc063c446a6982e2efc416a933a6a071448d26102aa1d2e5f4bad264c46abdb57d00e132ab87aaef9

  • SSDEEP

    24576:W3Sui5m+5yX+RNFlnRgyuMnb9310oUUS/qnwpJDQgbf2Ma9yzncNsJPsHah+uAAw:cQNFRLgXD2NkznzAviKVCvbRN/sp

Malware Config

Extracted

Family

redline

Botnet

new1

C2

hfiepqnsyosb.top:81

fhgerbugjreqnhfegrb.top:81

Attributes
  • auth_value

    3a3079db884153e24cc7bde3453aec7a

Signatures

  • RedLine

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FCC6630A3781BC584F63448D62E3AEAB8C1B7287115CD.exe
    "C:\Users\Admin\AppData\Local\Temp\FCC6630A3781BC584F63448D62E3AEAB8C1B7287115CD.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig /release
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1520
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /release
        3⤵
        • Gathers network information
        PID:1860
    • C:\Users\Admin\AppData\Local\Temp\Mpqxrnojqbnwqpnomnew2.exe
      "C:\Users\Admin\AppData\Local\Temp\Mpqxrnojqbnwqpnomnew2.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1016
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig /renew
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1580
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /renew
        3⤵
        • Gathers network information
        PID:1716
    • C:\Users\Admin\AppData\Local\Temp\FCC6630A3781BC584F63448D62E3AEAB8C1B7287115CD.exe
      C:\Users\Admin\AppData\Local\Temp\FCC6630A3781BC584F63448D62E3AEAB8C1B7287115CD.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1020

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Mpqxrnojqbnwqpnomnew2.exe
    Filesize

    254KB

    MD5

    f0ea5f95775ebf4f1dd466643cd1ada0

    SHA1

    bca03393f7949ad007d4131b2abdc877ae3706e3

    SHA256

    28c76e66d29a449750c2331ed783af24a77f09cfbe392153a72e752ff5f4b3f8

    SHA512

    4a9df69c98e83f47263482ebce3e8b9df9b2a9bb70cf13728fbaace45b302902db443e40ba9be2e9dd69ad5c3576e2fc0e52e23ed91023b57bbeff56f0f2f4f9

  • C:\Users\Admin\AppData\Local\Temp\Mpqxrnojqbnwqpnomnew2.exe
    Filesize

    254KB

    MD5

    f0ea5f95775ebf4f1dd466643cd1ada0

    SHA1

    bca03393f7949ad007d4131b2abdc877ae3706e3

    SHA256

    28c76e66d29a449750c2331ed783af24a77f09cfbe392153a72e752ff5f4b3f8

    SHA512

    4a9df69c98e83f47263482ebce3e8b9df9b2a9bb70cf13728fbaace45b302902db443e40ba9be2e9dd69ad5c3576e2fc0e52e23ed91023b57bbeff56f0f2f4f9

  • \Users\Admin\AppData\Local\Temp\Mpqxrnojqbnwqpnomnew2.exe
    Filesize

    254KB

    MD5

    f0ea5f95775ebf4f1dd466643cd1ada0

    SHA1

    bca03393f7949ad007d4131b2abdc877ae3706e3

    SHA256

    28c76e66d29a449750c2331ed783af24a77f09cfbe392153a72e752ff5f4b3f8

    SHA512

    4a9df69c98e83f47263482ebce3e8b9df9b2a9bb70cf13728fbaace45b302902db443e40ba9be2e9dd69ad5c3576e2fc0e52e23ed91023b57bbeff56f0f2f4f9

  • memory/1016-78-0x0000000004A60000-0x0000000004AA0000-memory.dmp
    Filesize

    256KB

  • memory/1016-65-0x0000000000090000-0x00000000000D6000-memory.dmp
    Filesize

    280KB

  • memory/1020-67-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

  • memory/1020-70-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/1020-77-0x0000000004F50000-0x0000000004F90000-memory.dmp
    Filesize

    256KB

  • memory/1020-76-0x0000000004F50000-0x0000000004F90000-memory.dmp
    Filesize

    256KB

  • memory/1020-66-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

  • memory/1020-68-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

  • memory/1020-69-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

  • memory/1020-73-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

  • memory/1020-71-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

  • memory/1020-75-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

  • memory/1856-57-0x0000000004F60000-0x0000000004FF2000-memory.dmp
    Filesize

    584KB

  • memory/1856-54-0x0000000000AB0000-0x0000000000D1E000-memory.dmp
    Filesize

    2.4MB

  • memory/1856-56-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/1856-55-0x0000000004A20000-0x0000000004B76000-memory.dmp
    Filesize

    1.3MB