Analysis

  • max time kernel
    316s
  • max time network
    335s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 22:15

General

  • Target

    03d3c0ec58caf5fa228384daa9d99f0bc0d44b3c02ee911a4572f8e4f5fa728b.exe

  • Size

    177KB

  • MD5

    117b064fb02e75f65ab71315e46e5618

  • SHA1

    8bdc3f169d4d97401c300ff30fbc4c124e709af6

  • SHA256

    03d3c0ec58caf5fa228384daa9d99f0bc0d44b3c02ee911a4572f8e4f5fa728b

  • SHA512

    9f480e798f24b69a385001f298196ddd7a00fbbc5887c6c862e8c28776df29c509035c0cf237fe7c5fd831c73f4648040db15c0817ff4864481cba4afe414993

  • SSDEEP

    3072:sr85CTK/Pi74wINPcWF1HERPhhESSUlGYO/ZMTFZl+KIGTqe:k9u/TEmEphhwYMZMBZlhI/e

Malware Config

Extracted

Family

redline

Botnet

1.0

C2

149.28.133.54:4921

Attributes
  • auth_value

    84aa9e53350b3b2df39f0f1f4f6465a1

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.

  • RedLine

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

  • RedLine payload 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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.

  • 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\03d3c0ec58caf5fa228384daa9d99f0bc0d44b3c02ee911a4572f8e4f5fa728b.exe
    "C:\Users\Admin\AppData\Local\Temp\03d3c0ec58caf5fa228384daa9d99f0bc0d44b3c02ee911a4572f8e4f5fa728b.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:2016
    • C:\Users\Admin\AppData\Local\Temp\3582-490\03d3c0ec58caf5fa228384daa9d99f0bc0d44b3c02ee911a4572f8e4f5fa728b.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\03d3c0ec58caf5fa228384daa9d99f0bc0d44b3c02ee911a4572f8e4f5fa728b.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:772

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

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\03d3c0ec58caf5fa228384daa9d99f0bc0d44b3c02ee911a4572f8e4f5fa728b.exe
    Filesize

    137KB

    MD5

    696a8aaca3415b00cc9f9094e82628eb

    SHA1

    ba2bd477eb4a53f8e58e36511be1c661eb6ae417

    SHA256

    b135f50a85f48449b8d4e91ab344e08e7cc0151a1897898a1f3956b391e19771

    SHA512

    691d78013aa04d252dd0bb2c19673967ba36b36e73f08f0738a693c824ca23aa5548fe0e2eb00f07eca5e4057586c80e4ce9e2f70423d8be013b22ef30d376f1

  • C:\Users\Admin\AppData\Local\Temp\3582-490\03d3c0ec58caf5fa228384daa9d99f0bc0d44b3c02ee911a4572f8e4f5fa728b.exe
    Filesize

    137KB

    MD5

    696a8aaca3415b00cc9f9094e82628eb

    SHA1

    ba2bd477eb4a53f8e58e36511be1c661eb6ae417

    SHA256

    b135f50a85f48449b8d4e91ab344e08e7cc0151a1897898a1f3956b391e19771

    SHA512

    691d78013aa04d252dd0bb2c19673967ba36b36e73f08f0738a693c824ca23aa5548fe0e2eb00f07eca5e4057586c80e4ce9e2f70423d8be013b22ef30d376f1

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

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\03d3c0ec58caf5fa228384daa9d99f0bc0d44b3c02ee911a4572f8e4f5fa728b.exe
    Filesize

    137KB

    MD5

    696a8aaca3415b00cc9f9094e82628eb

    SHA1

    ba2bd477eb4a53f8e58e36511be1c661eb6ae417

    SHA256

    b135f50a85f48449b8d4e91ab344e08e7cc0151a1897898a1f3956b391e19771

    SHA512

    691d78013aa04d252dd0bb2c19673967ba36b36e73f08f0738a693c824ca23aa5548fe0e2eb00f07eca5e4057586c80e4ce9e2f70423d8be013b22ef30d376f1

  • memory/772-56-0x0000000000000000-mapping.dmp
  • memory/772-59-0x00000000009D0000-0x00000000009F8000-memory.dmp
    Filesize

    160KB

  • memory/2016-54-0x0000000076AE1000-0x0000000076AE3000-memory.dmp
    Filesize

    8KB