Analysis

  • max time kernel
    45s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    14-04-2022 20:13

General

  • Target

    59ed82c199b898164620d6380288e2b6e90baf36b4c0e.exe

  • Size

    634KB

  • MD5

    dc89b59af6b561a135c1d4ec86a70890

  • SHA1

    73c20ba169b779ea4c73598968ec3eab41c5a374

  • SHA256

    59ed82c199b898164620d6380288e2b6e90baf36b4c0edc9a16cdd579fd525f6

  • SHA512

    66a5cac289b7ca9d9e3738a61664f7148f92271624506c4b6f1926006c1f003170ba24b0a3cc392e8eceaf9ceaa4d764308567a0afcc3dc171d52f5ed5c90571

Malware Config

Extracted

Family

redline

Botnet

mix15.04

C2

185.215.113.70:12189

Attributes
  • auth_value

    7be339254ae826f7fe03de06dd444581

Signatures

  • RedLine

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

  • Downloads MZ/PE file
  • 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\59ed82c199b898164620d6380288e2b6e90baf36b4c0e.exe
    "C:\Users\Admin\AppData\Local\Temp\59ed82c199b898164620d6380288e2b6e90baf36b4c0e.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Users\Admin\AppData\Roaming\shftool\strongix.exe
      strongix.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:756

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\shftool\strongix.exe

    Filesize

    369KB

    MD5

    6fe9416809f5da05b48bf86e1375e7be

    SHA1

    44ec2fa73a3e5ad6de01605815efedd324d2efca

    SHA256

    7607c9b4b1a6625acab3d15d65ab98dbc5dfa5a96c38cc83837354364ca50ce4

    SHA512

    4d9a44b8ed59b862cad26457f052dc26edf7842671fad6a824bc43179b672c5bdad4e25e0b67f2fc7872221a5ac9f7d78264387e3fadf12479fc06e1b4e5a35e

  • \Users\Admin\AppData\Roaming\shftool\strongix.exe

    Filesize

    369KB

    MD5

    6fe9416809f5da05b48bf86e1375e7be

    SHA1

    44ec2fa73a3e5ad6de01605815efedd324d2efca

    SHA256

    7607c9b4b1a6625acab3d15d65ab98dbc5dfa5a96c38cc83837354364ca50ce4

    SHA512

    4d9a44b8ed59b862cad26457f052dc26edf7842671fad6a824bc43179b672c5bdad4e25e0b67f2fc7872221a5ac9f7d78264387e3fadf12479fc06e1b4e5a35e

  • \Users\Admin\AppData\Roaming\shftool\strongix.exe

    Filesize

    369KB

    MD5

    6fe9416809f5da05b48bf86e1375e7be

    SHA1

    44ec2fa73a3e5ad6de01605815efedd324d2efca

    SHA256

    7607c9b4b1a6625acab3d15d65ab98dbc5dfa5a96c38cc83837354364ca50ce4

    SHA512

    4d9a44b8ed59b862cad26457f052dc26edf7842671fad6a824bc43179b672c5bdad4e25e0b67f2fc7872221a5ac9f7d78264387e3fadf12479fc06e1b4e5a35e

  • memory/756-66-0x0000000000490000-0x00000000004C7000-memory.dmp

    Filesize

    220KB

  • memory/756-63-0x0000000000288000-0x00000000002B2000-memory.dmp

    Filesize

    168KB

  • memory/756-64-0x0000000001EC0000-0x0000000001EF0000-memory.dmp

    Filesize

    192KB

  • memory/756-65-0x0000000000288000-0x00000000002B2000-memory.dmp

    Filesize

    168KB

  • memory/756-67-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/756-68-0x0000000002100000-0x000000000212E000-memory.dmp

    Filesize

    184KB

  • memory/756-69-0x00000000049B4000-0x00000000049B6000-memory.dmp

    Filesize

    8KB

  • memory/1972-58-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB

  • memory/1972-57-0x0000000000230000-0x00000000002FE000-memory.dmp

    Filesize

    824KB

  • memory/1972-56-0x00000000006B8000-0x0000000000724000-memory.dmp

    Filesize

    432KB

  • memory/1972-55-0x0000000075B61000-0x0000000075B63000-memory.dmp

    Filesize

    8KB

  • memory/1972-54-0x00000000006B8000-0x0000000000724000-memory.dmp

    Filesize

    432KB