Analysis

  • max time kernel
    138s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-05-2023 17:06

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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 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 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FCC6630A3781BC584F63448D62E3AEAB8C1B7287115CD.exe
    "C:\Users\Admin\AppData\Local\Temp\FCC6630A3781BC584F63448D62E3AEAB8C1B7287115CD.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig /release
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:116
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /release
        3⤵
        • Gathers network information
        PID:3844
    • 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:2276
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig /renew
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:404
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /renew
        3⤵
        • Gathers network information
        PID:1892
    • 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:4068

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\FCC6630A3781BC584F63448D62E3AEAB8C1B7287115CD.exe.log
    Filesize

    1KB

    MD5

    7e88081fcf716d85992bb3af3d9b6454

    SHA1

    2153780fbc71061b0102a7a7b665349e1013e250

    SHA256

    5ffb4a3ea94a6a53c4f88e2191c6fec5fd8a7336e367aa113fe8c12631e0c4d2

    SHA512

    ec606e14367ae221c04f213a61a6f797034495121198e4788e3afa4aa8db67bf59c5c5210a56afae5557158e8923b013b371b84c7d64303618c5b4c57a2224f7

  • 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

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

    254KB

    MD5

    f0ea5f95775ebf4f1dd466643cd1ada0

    SHA1

    bca03393f7949ad007d4131b2abdc877ae3706e3

    SHA256

    28c76e66d29a449750c2331ed783af24a77f09cfbe392153a72e752ff5f4b3f8

    SHA512

    4a9df69c98e83f47263482ebce3e8b9df9b2a9bb70cf13728fbaace45b302902db443e40ba9be2e9dd69ad5c3576e2fc0e52e23ed91023b57bbeff56f0f2f4f9

  • memory/1920-133-0x0000000000010000-0x000000000027E000-memory.dmp
    Filesize

    2.4MB

  • memory/1920-134-0x0000000004F60000-0x0000000004F82000-memory.dmp
    Filesize

    136KB

  • memory/1920-135-0x0000000004BC0000-0x0000000004BD0000-memory.dmp
    Filesize

    64KB

  • memory/2276-153-0x0000000005580000-0x000000000568A000-memory.dmp
    Filesize

    1.0MB

  • memory/2276-156-0x00000000054B0000-0x00000000054C0000-memory.dmp
    Filesize

    64KB

  • memory/2276-159-0x0000000007170000-0x0000000007714000-memory.dmp
    Filesize

    5.6MB

  • memory/2276-148-0x00000000059C0000-0x0000000005FD8000-memory.dmp
    Filesize

    6.1MB

  • memory/2276-147-0x0000000000BF0000-0x0000000000C36000-memory.dmp
    Filesize

    280KB

  • memory/2276-154-0x00000000054C0000-0x00000000054FC000-memory.dmp
    Filesize

    240KB

  • memory/2276-157-0x0000000005800000-0x0000000005866000-memory.dmp
    Filesize

    408KB

  • memory/2276-149-0x0000000005450000-0x0000000005462000-memory.dmp
    Filesize

    72KB

  • memory/4068-155-0x0000000005080000-0x0000000005090000-memory.dmp
    Filesize

    64KB

  • memory/4068-150-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

  • memory/4068-158-0x0000000006690000-0x0000000006722000-memory.dmp
    Filesize

    584KB

  • memory/4068-160-0x00000000067B0000-0x0000000006826000-memory.dmp
    Filesize

    472KB

  • memory/4068-161-0x0000000006770000-0x000000000678E000-memory.dmp
    Filesize

    120KB

  • memory/4068-162-0x0000000006AB0000-0x0000000006C72000-memory.dmp
    Filesize

    1.8MB

  • memory/4068-163-0x00000000077C0000-0x0000000007CEC000-memory.dmp
    Filesize

    5.2MB