Analysis

  • max time kernel
    142s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-03-2023 22:37

General

  • Target

    4b1a5184b80fc6b3cb3e3a1f0b020a4b7e08f44b714bf11250c736427965a899.exe

  • Size

    679KB

  • MD5

    9271935eb53581a5821e162daef2e60b

  • SHA1

    31d42c1813c1d7a0239729c81901ff2666ed1505

  • SHA256

    4b1a5184b80fc6b3cb3e3a1f0b020a4b7e08f44b714bf11250c736427965a899

  • SHA512

    1649f91cb41dc7eb172fe643ba5abea8963146fde3c8f49b9cd9bc517357a42d02d33e0a210fbb0d84e74c50992b9427d868af7f5cbb612b7405c70c5fd5893d

  • SSDEEP

    12288:/GHIGD4gZKt4U5Mu3iTTKJ2e32cc8M1o/SldCnGoxkqeYBndoehW8ArY+v4:K/HeDoTKwC2r8mldwGWkCoevSY+A

Malware Config

Extracted

Family

redline

Botnet

down

C2

193.233.20.31:4125

Attributes
  • auth_value

    12c31a90c72f5efae8c053a0bd339381

Extracted

Family

redline

Botnet

real

C2

193.233.20.31:4125

Attributes
  • auth_value

    bb22a50228754849387d5f4d1611e71b

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • RedLine

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

  • RedLine payload 32 IoCs
  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 1 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b1a5184b80fc6b3cb3e3a1f0b020a4b7e08f44b714bf11250c736427965a899.exe
    "C:\Users\Admin\AppData\Local\Temp\4b1a5184b80fc6b3cb3e3a1f0b020a4b7e08f44b714bf11250c736427965a899.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3844
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zitV0071.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zitV0071.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1276
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr866572.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr866572.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4320
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku834241.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku834241.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4952
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr153091.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr153091.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4320
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3844 -s 492
      2⤵
      • Program crash
      PID:4792
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3844 -ip 3844
    1⤵
      PID:3800

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Modify Existing Service

    1
    T1031

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    3
    T1112

    Disabling Security Tools

    2
    T1089

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    1
    T1012

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr153091.exe
      Filesize

      175KB

      MD5

      41707338e1e2d868aa699ac0dd2e77b0

      SHA1

      36e0dfba09f9fb409faf0f9a99217d0d0c524b82

      SHA256

      8d2a5ba6ae16aa5ee13382edb585c480b6bf2db098427ffe5f8d55323ded7557

      SHA512

      80c66cbf19f6b2cc2e979b1fd1769cf45957761fa3f94b33fc194f88379b57ec9327a86ce374c6dc25334b44e4e8aa518a5d0d03ddb4f4eddfdfe8ddfc9fb6f2

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr153091.exe
      Filesize

      175KB

      MD5

      41707338e1e2d868aa699ac0dd2e77b0

      SHA1

      36e0dfba09f9fb409faf0f9a99217d0d0c524b82

      SHA256

      8d2a5ba6ae16aa5ee13382edb585c480b6bf2db098427ffe5f8d55323ded7557

      SHA512

      80c66cbf19f6b2cc2e979b1fd1769cf45957761fa3f94b33fc194f88379b57ec9327a86ce374c6dc25334b44e4e8aa518a5d0d03ddb4f4eddfdfe8ddfc9fb6f2

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zitV0071.exe
      Filesize

      402KB

      MD5

      a3ae52d9f9fee7485843255aea0540ab

      SHA1

      1cb523ebca801d391e11e8b36c079643c53be900

      SHA256

      8d36dd5ba55bbff38c60ed7d0fe3ffa589fb70037b6aab2c90ffb095fb7325d8

      SHA512

      a5a3eea967538a508f0448a88139abd0382ef0c61af66111c8fc59a3da1285426fbfe701dacfb49434d4419804a01ea7032e6ce8abafc764991c8fb9fb1ff7cf

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zitV0071.exe
      Filesize

      402KB

      MD5

      a3ae52d9f9fee7485843255aea0540ab

      SHA1

      1cb523ebca801d391e11e8b36c079643c53be900

      SHA256

      8d36dd5ba55bbff38c60ed7d0fe3ffa589fb70037b6aab2c90ffb095fb7325d8

      SHA512

      a5a3eea967538a508f0448a88139abd0382ef0c61af66111c8fc59a3da1285426fbfe701dacfb49434d4419804a01ea7032e6ce8abafc764991c8fb9fb1ff7cf

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr866572.exe
      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr866572.exe
      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku834241.exe
      Filesize

      349KB

      MD5

      65dfd96198f42580dfce58316f13d8a6

      SHA1

      f3e0c117186bd0d7fdd5cddf6a6d78964c08b29e

      SHA256

      c18e70dce1463698ab135c975c3c5a88b361f76b14c25c52cc1d45663bfd3756

      SHA512

      3538fb9a4cefca79da56c3ab342bc1d84368d0aa022d6fd3bb1bde2236bf35e84b253858b38dc4a31712401ae95777c8fab29bb1c85cd3c01453ef722bf12790

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku834241.exe
      Filesize

      349KB

      MD5

      65dfd96198f42580dfce58316f13d8a6

      SHA1

      f3e0c117186bd0d7fdd5cddf6a6d78964c08b29e

      SHA256

      c18e70dce1463698ab135c975c3c5a88b361f76b14c25c52cc1d45663bfd3756

      SHA512

      3538fb9a4cefca79da56c3ab342bc1d84368d0aa022d6fd3bb1bde2236bf35e84b253858b38dc4a31712401ae95777c8fab29bb1c85cd3c01453ef722bf12790

    • memory/3844-150-0x0000000000400000-0x000000000076C000-memory.dmp
      Filesize

      3.4MB

    • memory/3844-134-0x00000000025C0000-0x0000000002649000-memory.dmp
      Filesize

      548KB

    • memory/4320-149-0x0000000000820000-0x000000000082A000-memory.dmp
      Filesize

      40KB

    • memory/4320-1091-0x0000000005880000-0x0000000005890000-memory.dmp
      Filesize

      64KB

    • memory/4320-1090-0x0000000000CD0000-0x0000000000D02000-memory.dmp
      Filesize

      200KB

    • memory/4952-194-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-206-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-161-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-162-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-166-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-164-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-168-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-170-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-172-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-174-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-176-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-178-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-180-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-182-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-184-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-186-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-188-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-190-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-192-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-159-0x0000000005010000-0x0000000005020000-memory.dmp
      Filesize

      64KB

    • memory/4952-196-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-198-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-200-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-202-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-204-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-160-0x0000000005010000-0x0000000005020000-memory.dmp
      Filesize

      64KB

    • memory/4952-208-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-210-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-212-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-214-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-216-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-218-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-220-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-222-0x0000000004E70000-0x0000000004EAE000-memory.dmp
      Filesize

      248KB

    • memory/4952-1067-0x00000000055D0000-0x0000000005BE8000-memory.dmp
      Filesize

      6.1MB

    • memory/4952-1068-0x0000000005BF0000-0x0000000005CFA000-memory.dmp
      Filesize

      1.0MB

    • memory/4952-1069-0x0000000004F50000-0x0000000004F62000-memory.dmp
      Filesize

      72KB

    • memory/4952-1070-0x0000000004F70000-0x0000000004FAC000-memory.dmp
      Filesize

      240KB

    • memory/4952-1071-0x0000000005010000-0x0000000005020000-memory.dmp
      Filesize

      64KB

    • memory/4952-1075-0x0000000005010000-0x0000000005020000-memory.dmp
      Filesize

      64KB

    • memory/4952-1074-0x0000000005010000-0x0000000005020000-memory.dmp
      Filesize

      64KB

    • memory/4952-1076-0x0000000005010000-0x0000000005020000-memory.dmp
      Filesize

      64KB

    • memory/4952-1077-0x0000000005F50000-0x0000000005FE2000-memory.dmp
      Filesize

      584KB

    • memory/4952-1078-0x0000000005FF0000-0x0000000006056000-memory.dmp
      Filesize

      408KB

    • memory/4952-1079-0x00000000067F0000-0x0000000006866000-memory.dmp
      Filesize

      472KB

    • memory/4952-1080-0x0000000006880000-0x00000000068D0000-memory.dmp
      Filesize

      320KB

    • memory/4952-1081-0x0000000006900000-0x0000000006AC2000-memory.dmp
      Filesize

      1.8MB

    • memory/4952-1082-0x0000000006AD0000-0x0000000006FFC000-memory.dmp
      Filesize

      5.2MB

    • memory/4952-158-0x0000000005010000-0x0000000005020000-memory.dmp
      Filesize

      64KB

    • memory/4952-157-0x0000000005020000-0x00000000055C4000-memory.dmp
      Filesize

      5.6MB

    • memory/4952-156-0x0000000000890000-0x00000000008DB000-memory.dmp
      Filesize

      300KB

    • memory/4952-1083-0x0000000005010000-0x0000000005020000-memory.dmp
      Filesize

      64KB