Analysis

  • max time kernel
    135s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-03-2023 20:59

General

  • Target

    f1f48317f62c28cd18d7b234c2c66f845d6924a4f9f57c4752afb87f5544476d.exe

  • Size

    533KB

  • MD5

    3635a0aab12ae245c23e35810435c62a

  • SHA1

    cdcaae9b97c538980b9482bd5237a34ecd5752d8

  • SHA256

    f1f48317f62c28cd18d7b234c2c66f845d6924a4f9f57c4752afb87f5544476d

  • SHA512

    dadc54285671e388fc58ec1451dda63ccd39454669847d33a21101c67faf91d3b1758a4e0a3480e131c3e65ebe4cbcf09ecf8e9800af194976ec420a56542026

  • SSDEEP

    12288:iMrty907+McQudCpXhPYEL3LqjnLBVzZYeZQPj:zyo1hudCpXhQEL3GjnLBT3e

Malware Config

Extracted

Family

redline

Botnet

rosn

C2

176.113.115.145:4125

Attributes
  • auth_value

    050a19e1db4d0024b0f23b37dcf961f4

Extracted

Family

redline

Botnet

spora

C2

176.113.115.145:4125

Attributes
  • auth_value

    441b39ab37774b2ca9931c31e1bc6071

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 33 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.

  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services 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\f1f48317f62c28cd18d7b234c2c66f845d6924a4f9f57c4752afb87f5544476d.exe
    "C:\Users\Admin\AppData\Local\Temp\f1f48317f62c28cd18d7b234c2c66f845d6924a4f9f57c4752afb87f5544476d.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zirY4358.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zirY4358.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:5044
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr538602.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr538602.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2096
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku933014.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku933014.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2920
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 1852
          4⤵
          • Program crash
          PID:4852
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr219259.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr219259.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:760
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2920 -ip 2920
    1⤵
      PID:1564
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe start wuauserv
      1⤵
      • Launches sc.exe
      PID:4676

    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\lr219259.exe
      Filesize

      175KB

      MD5

      7834607842bcadfa13682a8968d13980

      SHA1

      6aea8e6c2910fe343812f3d27d926952729133f4

      SHA256

      821d48a97ca5bb72ec63a9eaf976501fa17a088cbf713eb0b61f1e7e7a44effc

      SHA512

      55498039e8a10d76823285a91c23f7625d140e7e32441549936d9fbcfa93bde4140141c08ff533f3eab0d698c5064fde2d95e216377a4f45b6f432865909c58b

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr219259.exe
      Filesize

      175KB

      MD5

      7834607842bcadfa13682a8968d13980

      SHA1

      6aea8e6c2910fe343812f3d27d926952729133f4

      SHA256

      821d48a97ca5bb72ec63a9eaf976501fa17a088cbf713eb0b61f1e7e7a44effc

      SHA512

      55498039e8a10d76823285a91c23f7625d140e7e32441549936d9fbcfa93bde4140141c08ff533f3eab0d698c5064fde2d95e216377a4f45b6f432865909c58b

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zirY4358.exe
      Filesize

      391KB

      MD5

      9ac967d85b4c1b3199bf0bf563b63db0

      SHA1

      2fdda1f2196e701850d1a9247bbdea700165cafe

      SHA256

      21312a40e4f57dec82e8ec93f142009bced3f9cc332ad44f0ed647b39ea51bda

      SHA512

      15721a2266370c4e40e308b351bc3db5611364c4a118859006c52a8b7ad54eb97faeee6aaa26f0e16ea28e65a9d5e1211391c07578ff3f772f12a2866f75d111

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zirY4358.exe
      Filesize

      391KB

      MD5

      9ac967d85b4c1b3199bf0bf563b63db0

      SHA1

      2fdda1f2196e701850d1a9247bbdea700165cafe

      SHA256

      21312a40e4f57dec82e8ec93f142009bced3f9cc332ad44f0ed647b39ea51bda

      SHA512

      15721a2266370c4e40e308b351bc3db5611364c4a118859006c52a8b7ad54eb97faeee6aaa26f0e16ea28e65a9d5e1211391c07578ff3f772f12a2866f75d111

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr538602.exe
      Filesize

      11KB

      MD5

      dd11ddde5afc0d8d231a6aaa19573143

      SHA1

      5911fe8964008d341862475b11a4772dfbe7d86b

      SHA256

      dff51c523f7cc99bfdd0736996c9b7d8fba6537a38a543b4d4c95713ce96a873

      SHA512

      1b2577a7d0836c506a44bc546b06da590a142ea8042b7366cfc8c3f38233ab1d7d9fb9343e607a53ea8b676251bf6488eddfbdcc51f40b8521938b74e1c6cb21

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr538602.exe
      Filesize

      11KB

      MD5

      dd11ddde5afc0d8d231a6aaa19573143

      SHA1

      5911fe8964008d341862475b11a4772dfbe7d86b

      SHA256

      dff51c523f7cc99bfdd0736996c9b7d8fba6537a38a543b4d4c95713ce96a873

      SHA512

      1b2577a7d0836c506a44bc546b06da590a142ea8042b7366cfc8c3f38233ab1d7d9fb9343e607a53ea8b676251bf6488eddfbdcc51f40b8521938b74e1c6cb21

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku933014.exe
      Filesize

      359KB

      MD5

      882df7d749715a4ca7005e893fb9ca13

      SHA1

      6f53569cbcc8e9825c638903c1deb96a378a515c

      SHA256

      e1ae6b96505ad4b1036518f8f11a552431e32a5f0aa8b4d720755268a5697eaf

      SHA512

      49de864c79bea755bacdf8d6b05461a83348e42118ae370a70a42789b73e2a03f860d6acd9ffe4a6416201b5c5c155c0cf08b52ab3e4769b15c42a7437d16375

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku933014.exe
      Filesize

      359KB

      MD5

      882df7d749715a4ca7005e893fb9ca13

      SHA1

      6f53569cbcc8e9825c638903c1deb96a378a515c

      SHA256

      e1ae6b96505ad4b1036518f8f11a552431e32a5f0aa8b4d720755268a5697eaf

      SHA512

      49de864c79bea755bacdf8d6b05461a83348e42118ae370a70a42789b73e2a03f860d6acd9ffe4a6416201b5c5c155c0cf08b52ab3e4769b15c42a7437d16375

    • memory/760-1085-0x0000000000390000-0x00000000003C2000-memory.dmp
      Filesize

      200KB

    • memory/760-1086-0x0000000004F20000-0x0000000004F30000-memory.dmp
      Filesize

      64KB

    • memory/2096-147-0x0000000000400000-0x000000000040A000-memory.dmp
      Filesize

      40KB

    • memory/2920-191-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-205-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-155-0x00000000039E0000-0x00000000039F0000-memory.dmp
      Filesize

      64KB

    • memory/2920-157-0x00000000039E0000-0x00000000039F0000-memory.dmp
      Filesize

      64KB

    • memory/2920-158-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-159-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-161-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-163-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-167-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-165-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-177-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-175-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-179-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-173-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-171-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-169-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-181-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-183-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-187-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-185-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-189-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-154-0x0000000003750000-0x000000000379B000-memory.dmp
      Filesize

      300KB

    • memory/2920-193-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-195-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-197-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-201-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-203-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-156-0x00000000039E0000-0x00000000039F0000-memory.dmp
      Filesize

      64KB

    • memory/2920-199-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-217-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-215-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-221-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-219-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-213-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-211-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-209-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-207-0x0000000003A70000-0x0000000003AAF000-memory.dmp
      Filesize

      252KB

    • memory/2920-1064-0x0000000006950000-0x0000000006F68000-memory.dmp
      Filesize

      6.1MB

    • memory/2920-1065-0x0000000006F70000-0x000000000707A000-memory.dmp
      Filesize

      1.0MB

    • memory/2920-1066-0x0000000003EF0000-0x0000000003F02000-memory.dmp
      Filesize

      72KB

    • memory/2920-1068-0x0000000007080000-0x00000000070BC000-memory.dmp
      Filesize

      240KB

    • memory/2920-1067-0x00000000039E0000-0x00000000039F0000-memory.dmp
      Filesize

      64KB

    • memory/2920-1070-0x00000000039E0000-0x00000000039F0000-memory.dmp
      Filesize

      64KB

    • memory/2920-1071-0x00000000039E0000-0x00000000039F0000-memory.dmp
      Filesize

      64KB

    • memory/2920-1072-0x00000000039E0000-0x00000000039F0000-memory.dmp
      Filesize

      64KB

    • memory/2920-1073-0x0000000007330000-0x0000000007396000-memory.dmp
      Filesize

      408KB

    • memory/2920-1074-0x0000000007A00000-0x0000000007A92000-memory.dmp
      Filesize

      584KB

    • memory/2920-1075-0x0000000007D30000-0x0000000007EF2000-memory.dmp
      Filesize

      1.8MB

    • memory/2920-1076-0x0000000007F10000-0x000000000843C000-memory.dmp
      Filesize

      5.2MB

    • memory/2920-153-0x00000000062A0000-0x0000000006844000-memory.dmp
      Filesize

      5.6MB

    • memory/2920-1077-0x00000000039E0000-0x00000000039F0000-memory.dmp
      Filesize

      64KB

    • memory/2920-1078-0x00000000086B0000-0x0000000008726000-memory.dmp
      Filesize

      472KB

    • memory/2920-1079-0x0000000008740000-0x0000000008790000-memory.dmp
      Filesize

      320KB