Analysis

  • max time kernel
    146s
  • max time network
    186s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    03-06-2021 22:03

General

  • Target

    SecuriteInfo.com.Trojan.Win32.Save.a.6900.14762.exe

  • Size

    150KB

  • MD5

    192157321ae17032b5edee8de07e0e86

  • SHA1

    9252dbf16148b087129afb62a49dbbac278d19de

  • SHA256

    445d39df326616cbfd206707370348697ee1ad8ffb5ce1edc330afe9bf49266e

  • SHA512

    e995c6d0b1532d19dc2097adc1c18b61f0c547ba5db7be611957cabb9811dee779b250e339790bfae4af82366114416ac12533c3d929395a3b1fbcdf111e79ba

Malware Config

Extracted

Family

redline

Botnet

1

C2

brershrowal.xyz:80

Extracted

Family

redline

Botnet

1.1

C2

brershrowal.xyz:80

Signatures

  • RedLine

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

  • RedLine Payload 6 IoCs
  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • Executes dropped EXE 9 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.Save.a.6900.14762.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.Save.a.6900.14762.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1940
    • C:\Users\Admin\AppData\Roaming\6976403.exe
      "C:\Users\Admin\AppData\Roaming\6976403.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:892
    • C:\Users\Admin\AppData\Roaming\4498257.exe
      "C:\Users\Admin\AppData\Roaming\4498257.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1104
      • C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe
        "C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe"
        3⤵
        • Executes dropped EXE
        PID:296
    • C:\Users\Admin\AppData\Roaming\7907844.exe
      "C:\Users\Admin\AppData\Roaming\7907844.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1948
      • C:\Users\Admin\AppData\Roaming\7907844.exe
        "C:\Users\Admin\AppData\Roaming\7907844.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1164
    • C:\Users\Admin\AppData\Roaming\3370263.exe
      "C:\Users\Admin\AppData\Roaming\3370263.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1744
      • C:\Users\Admin\AppData\Roaming\3370263.exe
        "{path}"
        3⤵
        • Executes dropped EXE
        PID:720
      • C:\Users\Admin\AppData\Roaming\3370263.exe
        "{path}"
        3⤵
        • Executes dropped EXE
        PID:1152
      • C:\Users\Admin\AppData\Roaming\3370263.exe
        "{path}"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1588

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/296-103-0x0000000004B00000-0x0000000004B01000-memory.dmp

    Filesize

    4KB

  • memory/296-94-0x00000000013A0000-0x00000000013A1000-memory.dmp

    Filesize

    4KB

  • memory/892-70-0x0000000001030000-0x0000000001031000-memory.dmp

    Filesize

    4KB

  • memory/892-81-0x0000000000390000-0x00000000003B0000-memory.dmp

    Filesize

    128KB

  • memory/892-84-0x00000000004C0000-0x00000000004C1000-memory.dmp

    Filesize

    4KB

  • memory/892-82-0x0000000000400000-0x0000000000401000-memory.dmp

    Filesize

    4KB

  • memory/892-73-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/1104-80-0x0000000000310000-0x000000000031E000-memory.dmp

    Filesize

    56KB

  • memory/1104-69-0x0000000000A30000-0x0000000000A31000-memory.dmp

    Filesize

    4KB

  • memory/1104-74-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/1104-83-0x0000000000460000-0x0000000000461000-memory.dmp

    Filesize

    4KB

  • memory/1164-123-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/1164-125-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/1164-120-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/1588-116-0x0000000004E60000-0x0000000004E61000-memory.dmp

    Filesize

    4KB

  • memory/1588-114-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/1588-111-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/1744-105-0x0000000000380000-0x0000000000382000-memory.dmp

    Filesize

    8KB

  • memory/1744-107-0x00000000051B0000-0x000000000521C000-memory.dmp

    Filesize

    432KB

  • memory/1744-108-0x0000000000D40000-0x0000000000D5E000-memory.dmp

    Filesize

    120KB

  • memory/1744-101-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/1744-88-0x0000000000120000-0x0000000000121000-memory.dmp

    Filesize

    4KB

  • memory/1744-106-0x0000000000AE0000-0x0000000000B25000-memory.dmp

    Filesize

    276KB

  • memory/1744-100-0x0000000004D60000-0x0000000004D61000-memory.dmp

    Filesize

    4KB

  • memory/1940-61-0x0000000000280000-0x000000000029B000-memory.dmp

    Filesize

    108KB

  • memory/1940-62-0x000000001B010000-0x000000001B012000-memory.dmp

    Filesize

    8KB

  • memory/1940-59-0x00000000000F0000-0x00000000000F1000-memory.dmp

    Filesize

    4KB

  • memory/1948-99-0x00000000011A0000-0x00000000011A1000-memory.dmp

    Filesize

    4KB

  • memory/1948-118-0x0000000005650000-0x00000000056E9000-memory.dmp

    Filesize

    612KB

  • memory/1948-119-0x0000000001140000-0x0000000001195000-memory.dmp

    Filesize

    340KB

  • memory/1948-117-0x00000000052A0000-0x0000000005334000-memory.dmp

    Filesize

    592KB

  • memory/1948-78-0x0000000001240000-0x0000000001241000-memory.dmp

    Filesize

    4KB

  • memory/1948-102-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1948-104-0x00000000003C0000-0x00000000003C5000-memory.dmp

    Filesize

    20KB