Analysis

  • max time kernel
    142s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/04/2024, 03:16

General

  • Target
    e2979f971ed69314f95db618da853c7cb201c6ab21b46a6d7d3108f5741a0e0f.exe
  • Size 417KB
  • Sample240409-dspz8sch26
  • SHA256 e2979f971ed69314f95db618da853c7cb201c6ab21b46a6d7d3108f5741a0e0f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • norm

C2
  • 77.91.124.145:4125

Attributes
  • auth_value

    1514e6c0ec3d10a36f68f61b206f5759

Signatures

  • RedLine

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

  • RedLine payload 3 IoCs
  • Detects executables packed with ConfuserEx Mod 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e2979f971ed69314f95db618da853c7cb201c6ab21b46a6d7d3108f5741a0e0f.exe
    "C:\Users\Admin\AppData\Local\Temp\e2979f971ed69314f95db618da853c7cb201c6ab21b46a6d7d3108f5741a0e0f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4732
    • C:\Windows\Temp\1.exe
      "C:\Windows\Temp\1.exe"
      2⤵
      • Executes dropped EXE
      PID:3996
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4732 -s 1292
      2⤵
      • Program crash
      PID:3128
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4732 -ip 4732
    1⤵
      PID:1640
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4376 --field-trial-handle=2256,i,9172343514068348080,519219714517961765,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3448

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            1.exe

            • Path C:\Windows\Temp\1.exe
            • Size 168KB
            • SHA256 c46ef7b768c697e57d379ddfdfd3fb4931bf3d535730ef60feca9332e7a19feb
            • MD5 SHA1 SHA512 SSDEEP

            memory/3996-2118-0x00000000053A0000-0x00000000053B0000-memory.dmp

            memory/3996-2117-0x00000000749E0000-0x0000000075190000-memory.dmp

            memory/3996-2112-0x0000000005430000-0x000000000547C000-memory.dmp

            memory/3996-2111-0x00000000053F0000-0x000000000542C000-memory.dmp

            memory/3996-2110-0x00000000053A0000-0x00000000053B0000-memory.dmp

            memory/3996-2108-0x0000000005360000-0x0000000005372000-memory.dmp

            memory/3996-2107-0x00000000054C0000-0x00000000055CA000-memory.dmp

            memory/3996-2106-0x00000000059D0000-0x0000000005FE8000-memory.dmp

            memory/3996-2105-0x0000000002CE0000-0x0000000002CE6000-memory.dmp

            memory/3996-2104-0x00000000749E0000-0x0000000075190000-memory.dmp

            memory/3996-2103-0x0000000000A40000-0x0000000000A70000-memory.dmp

            memory/4732-48-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-62-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-20-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-22-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-24-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-26-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-28-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-30-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-32-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-34-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-36-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-38-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-40-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-42-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-44-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-46-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-1-0x0000000000760000-0x0000000000860000-memory.dmp

            memory/4732-50-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-52-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-54-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-56-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-58-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-60-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-18-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-64-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-66-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-68-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-70-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-72-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-2089-0x00000000022F0000-0x0000000002300000-memory.dmp

            memory/4732-2090-0x0000000005540000-0x0000000005572000-memory.dmp

            memory/4732-16-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-14-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-12-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-10-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-9-0x0000000005340000-0x000000000539F000-memory.dmp

            memory/4732-8-0x0000000005340000-0x00000000053A6000-memory.dmp

            memory/4732-2109-0x0000000000760000-0x0000000000860000-memory.dmp

            memory/4732-7-0x0000000004D90000-0x0000000005334000-memory.dmp

            memory/4732-5-0x0000000004D20000-0x0000000004D86000-memory.dmp

            memory/4732-6-0x00000000022F0000-0x0000000002300000-memory.dmp

            memory/4732-4-0x00000000749E0000-0x0000000075190000-memory.dmp

            memory/4732-2114-0x0000000002100000-0x000000000215B000-memory.dmp

            memory/4732-2115-0x0000000000400000-0x00000000004D6000-memory.dmp

            memory/4732-2116-0x00000000749E0000-0x0000000075190000-memory.dmp

            memory/4732-3-0x0000000000400000-0x00000000004D6000-memory.dmp

            memory/4732-2-0x0000000002100000-0x000000000215B000-memory.dmp