Analysis

  • max time kernel
    84s
  • max time network
    146s
  • 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 21:16

General

  • Target

    b1e850e30a528ecabd41dbf08d7a8d8e38af48374ef448e46eed4b0eb70b936a.exe

  • Size

    679KB

  • MD5

    8a2f3fe72bcac8e607b934afb00b5b70

  • SHA1

    cae20739164bbe1aec203285336db2eff879d499

  • SHA256

    b1e850e30a528ecabd41dbf08d7a8d8e38af48374ef448e46eed4b0eb70b936a

  • SHA512

    9312c0721cc13a12b233c16e1d5b3521de55f8e3ea6a49a0136235191d9777ef5454b664f3885e70e44d73b72f5483d80abba237d3851f3dbf1c86c45b5340fb

  • SSDEEP

    12288:WGHIGD4gZKt4U5Mu3iTTKJ2e32cc8M1o/SldCnGoxkqeYBndoehW8ArY+v4:J/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\b1e850e30a528ecabd41dbf08d7a8d8e38af48374ef448e46eed4b0eb70b936a.exe
    "C:\Users\Admin\AppData\Local\Temp\b1e850e30a528ecabd41dbf08d7a8d8e38af48374ef448e46eed4b0eb70b936a.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3824
    • 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:4324
      • 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:1968
      • 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:3332
    • 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:5000
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3824 -s 464
      2⤵
      • Program crash
      PID:2460
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3824 -ip 3824
    1⤵
      PID:3648

    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/1968-149-0x00000000000C0000-0x00000000000CA000-memory.dmp
      Filesize

      40KB

    • memory/1968-152-0x000000001ABF0000-0x000000001AD3E000-memory.dmp
      Filesize

      1.3MB

    • memory/3332-199-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-209-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-161-0x0000000002600000-0x0000000002610000-memory.dmp
      Filesize

      64KB

    • memory/3332-162-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-163-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-165-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-167-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-169-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-171-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-173-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-175-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-177-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-181-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-179-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-183-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-185-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-187-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-189-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-191-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-193-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-195-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-197-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-159-0x0000000002600000-0x0000000002610000-memory.dmp
      Filesize

      64KB

    • memory/3332-201-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-203-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-207-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-205-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-160-0x0000000002600000-0x0000000002610000-memory.dmp
      Filesize

      64KB

    • memory/3332-211-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-213-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-215-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-217-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-219-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-221-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-223-0x0000000002880000-0x00000000028BE000-memory.dmp
      Filesize

      248KB

    • memory/3332-1068-0x0000000005320000-0x0000000005938000-memory.dmp
      Filesize

      6.1MB

    • memory/3332-1069-0x00000000059C0000-0x0000000005ACA000-memory.dmp
      Filesize

      1.0MB

    • memory/3332-1070-0x0000000005B00000-0x0000000005B12000-memory.dmp
      Filesize

      72KB

    • memory/3332-1071-0x0000000005B20000-0x0000000005B5C000-memory.dmp
      Filesize

      240KB

    • memory/3332-1072-0x0000000002600000-0x0000000002610000-memory.dmp
      Filesize

      64KB

    • memory/3332-1075-0x0000000005E10000-0x0000000005EA2000-memory.dmp
      Filesize

      584KB

    • memory/3332-1076-0x0000000002600000-0x0000000002610000-memory.dmp
      Filesize

      64KB

    • memory/3332-1078-0x0000000005EB0000-0x0000000005F16000-memory.dmp
      Filesize

      408KB

    • memory/3332-1077-0x0000000002600000-0x0000000002610000-memory.dmp
      Filesize

      64KB

    • memory/3332-1079-0x00000000065B0000-0x0000000006626000-memory.dmp
      Filesize

      472KB

    • memory/3332-1080-0x0000000006640000-0x0000000006690000-memory.dmp
      Filesize

      320KB

    • memory/3332-1081-0x0000000002600000-0x0000000002610000-memory.dmp
      Filesize

      64KB

    • memory/3332-1082-0x0000000006A70000-0x0000000006C32000-memory.dmp
      Filesize

      1.8MB

    • memory/3332-1083-0x0000000006E40000-0x000000000736C000-memory.dmp
      Filesize

      5.2MB

    • memory/3332-158-0x00000000009E0000-0x0000000000A2B000-memory.dmp
      Filesize

      300KB

    • memory/3332-157-0x0000000004D40000-0x00000000052E4000-memory.dmp
      Filesize

      5.6MB

    • memory/3824-148-0x0000000002610000-0x0000000002699000-memory.dmp
      Filesize

      548KB

    • memory/3824-150-0x0000000000400000-0x000000000076C000-memory.dmp
      Filesize

      3.4MB

    • memory/5000-1089-0x00000000009A0000-0x00000000009D2000-memory.dmp
      Filesize

      200KB

    • memory/5000-1090-0x00000000052A0000-0x00000000052B0000-memory.dmp
      Filesize

      64KB