Analysis

  • max time kernel
    139s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-03-2023 11:53

General

  • Target

    b5c812b6bf11f5291f4a005958a03ef51d6a0eceb9b38a17e2bc7a8c9c1be30b.exe

  • Size

    697KB

  • MD5

    8a2d29bf212a299903c3d6bbce9fde0b

  • SHA1

    938f1bc3cdc03db72910fb82314abb71328259d6

  • SHA256

    b5c812b6bf11f5291f4a005958a03ef51d6a0eceb9b38a17e2bc7a8c9c1be30b

  • SHA512

    d7cdd68159c92ec9468a04ac6bbf9f18b81ee9c630737021ec359cec2bf2ac7065d46c0789a99f438383b670cb96eba250907760610d51185dfbfcbcb3f8495c

  • SSDEEP

    12288:HMrxy90J3TGs1TopHEQ8B/Yq3yY9BQL6fSGjmAxI9gAWqfLk:uys3NopkQW3QjGjbI9l7k

Malware Config

Extracted

Family

redline

Botnet

rosn

C2

176.113.115.145:4125

Attributes
  • auth_value

    050a19e1db4d0024b0f23b37dcf961f4

Extracted

Family

redline

Botnet

muse

C2

176.113.115.145:4125

Attributes
  • auth_value

    b91988a63a24940038d9262827a5320c

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 18 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 2 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b5c812b6bf11f5291f4a005958a03ef51d6a0eceb9b38a17e2bc7a8c9c1be30b.exe
    "C:\Users\Admin\AppData\Local\Temp\b5c812b6bf11f5291f4a005958a03ef51d6a0eceb9b38a17e2bc7a8c9c1be30b.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un372957.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un372957.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:760
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7347.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7347.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4404
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1375.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1375.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4204
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4204 -s 1900
          4⤵
          • Program crash
          PID:4876
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si083545.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si083545.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2784
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4204 -ip 4204
    1⤵
      PID:1664
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe start wuauserv
      1⤵
      • Launches sc.exe
      PID:3356

    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\si083545.exe
      Filesize

      175KB

      MD5

      57b3ed05bb0873955e162e8019558f04

      SHA1

      4d79af7eaea1ffa7011c72e4aa9c8264e7c7579e

      SHA256

      d558dc4b64a4549e8b4c065bfa467013a1aa4cc5cf09b5567090b68f5ce01358

      SHA512

      3a42e0693cadd6b40a2fb16cb6e7c34b22c02228990c43252fc4ea1274731315888740bf0bc857c5871e0ef28a68c832395f535c88d48183a821e7746a335d08

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si083545.exe
      Filesize

      175KB

      MD5

      57b3ed05bb0873955e162e8019558f04

      SHA1

      4d79af7eaea1ffa7011c72e4aa9c8264e7c7579e

      SHA256

      d558dc4b64a4549e8b4c065bfa467013a1aa4cc5cf09b5567090b68f5ce01358

      SHA512

      3a42e0693cadd6b40a2fb16cb6e7c34b22c02228990c43252fc4ea1274731315888740bf0bc857c5871e0ef28a68c832395f535c88d48183a821e7746a335d08

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un372957.exe
      Filesize

      555KB

      MD5

      8d431e0a6d5d529466b300e6e8e84864

      SHA1

      8692931f660675705a239207178456e8b03a9eb3

      SHA256

      1b3cf29c55d6f5a8704faf20e18bb462237b193fc1e2596ddc1bb529564e6ed3

      SHA512

      4cd237596a0726b25976b7fc8a473212857a7d60cdccee027fe6c796008737d32e05d4aac83bacd664a02cdae6bcd515774c0680229bb289275dde1596e7241c

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un372957.exe
      Filesize

      555KB

      MD5

      8d431e0a6d5d529466b300e6e8e84864

      SHA1

      8692931f660675705a239207178456e8b03a9eb3

      SHA256

      1b3cf29c55d6f5a8704faf20e18bb462237b193fc1e2596ddc1bb529564e6ed3

      SHA512

      4cd237596a0726b25976b7fc8a473212857a7d60cdccee027fe6c796008737d32e05d4aac83bacd664a02cdae6bcd515774c0680229bb289275dde1596e7241c

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7347.exe
      Filesize

      347KB

      MD5

      868ab586d0e53cf530241698d17892ec

      SHA1

      2492f4a1d305e4dcb413bc8e67623659e740603c

      SHA256

      fd64d7c2a35c2e1b6ccc13c250fca41cacd5ac6953ce0d5a21ce6b928c9e82ac

      SHA512

      b296717abe7bb5c7b0f94b25eb4c94e69d82c521d3bfbdb20cc3ae9e26400d9665d4d021b8feef73fea1be60be9fc6422519f91617f6ec39f698bd486bee9bb1

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7347.exe
      Filesize

      347KB

      MD5

      868ab586d0e53cf530241698d17892ec

      SHA1

      2492f4a1d305e4dcb413bc8e67623659e740603c

      SHA256

      fd64d7c2a35c2e1b6ccc13c250fca41cacd5ac6953ce0d5a21ce6b928c9e82ac

      SHA512

      b296717abe7bb5c7b0f94b25eb4c94e69d82c521d3bfbdb20cc3ae9e26400d9665d4d021b8feef73fea1be60be9fc6422519f91617f6ec39f698bd486bee9bb1

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1375.exe
      Filesize

      406KB

      MD5

      6280cf0cb57d931a90c5a03917fb338e

      SHA1

      0232196f4f36bc42c2694f8a07b4820821327454

      SHA256

      a05dbec36871f6371447da2e3f629b7d7e2031fffeb2e6de6a3881ededf060c7

      SHA512

      c89a190d8fb4dbe2e3dedab4604cccc3085ef906b1a47348f4a3ae70e066611b807108afeeb49250bac269ec4511a9f61a5f2b67b4ae32b4611aa643dddb7a5d

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1375.exe
      Filesize

      406KB

      MD5

      6280cf0cb57d931a90c5a03917fb338e

      SHA1

      0232196f4f36bc42c2694f8a07b4820821327454

      SHA256

      a05dbec36871f6371447da2e3f629b7d7e2031fffeb2e6de6a3881ededf060c7

      SHA512

      c89a190d8fb4dbe2e3dedab4604cccc3085ef906b1a47348f4a3ae70e066611b807108afeeb49250bac269ec4511a9f61a5f2b67b4ae32b4611aa643dddb7a5d

    • memory/2784-1118-0x0000000004C90000-0x0000000004CA0000-memory.dmp
      Filesize

      64KB

    • memory/2784-1117-0x0000000000040000-0x0000000000072000-memory.dmp
      Filesize

      200KB

    • memory/4204-1096-0x0000000007940000-0x0000000007F58000-memory.dmp
      Filesize

      6.1MB

    • memory/4204-1102-0x00000000083D0000-0x0000000008462000-memory.dmp
      Filesize

      584KB

    • memory/4204-1111-0x000000000A330000-0x000000000A85C000-memory.dmp
      Filesize

      5.2MB

    • memory/4204-1110-0x0000000007380000-0x0000000007390000-memory.dmp
      Filesize

      64KB

    • memory/4204-1109-0x000000000A160000-0x000000000A322000-memory.dmp
      Filesize

      1.8MB

    • memory/4204-1108-0x0000000007380000-0x0000000007390000-memory.dmp
      Filesize

      64KB

    • memory/4204-1107-0x0000000007380000-0x0000000007390000-memory.dmp
      Filesize

      64KB

    • memory/4204-1106-0x0000000007380000-0x0000000007390000-memory.dmp
      Filesize

      64KB

    • memory/4204-1105-0x0000000008D00000-0x0000000008D50000-memory.dmp
      Filesize

      320KB

    • memory/4204-1104-0x0000000008C70000-0x0000000008CE6000-memory.dmp
      Filesize

      472KB

    • memory/4204-1103-0x0000000008470000-0x00000000084D6000-memory.dmp
      Filesize

      408KB

    • memory/4204-1100-0x0000000007380000-0x0000000007390000-memory.dmp
      Filesize

      64KB

    • memory/4204-1099-0x00000000080E0000-0x000000000811C000-memory.dmp
      Filesize

      240KB

    • memory/4204-1098-0x00000000080C0000-0x00000000080D2000-memory.dmp
      Filesize

      72KB

    • memory/4204-1097-0x0000000007F80000-0x000000000808A000-memory.dmp
      Filesize

      1.0MB

    • memory/4204-223-0x0000000007190000-0x00000000071CF000-memory.dmp
      Filesize

      252KB

    • memory/4204-221-0x0000000007190000-0x00000000071CF000-memory.dmp
      Filesize

      252KB

    • memory/4204-188-0x0000000007190000-0x00000000071CF000-memory.dmp
      Filesize

      252KB

    • memory/4204-187-0x0000000007190000-0x00000000071CF000-memory.dmp
      Filesize

      252KB

    • memory/4204-191-0x0000000002C70000-0x0000000002CBB000-memory.dmp
      Filesize

      300KB

    • memory/4204-194-0x0000000007380000-0x0000000007390000-memory.dmp
      Filesize

      64KB

    • memory/4204-193-0x0000000007380000-0x0000000007390000-memory.dmp
      Filesize

      64KB

    • memory/4204-190-0x0000000007190000-0x00000000071CF000-memory.dmp
      Filesize

      252KB

    • memory/4204-195-0x0000000007190000-0x00000000071CF000-memory.dmp
      Filesize

      252KB

    • memory/4204-197-0x0000000007190000-0x00000000071CF000-memory.dmp
      Filesize

      252KB

    • memory/4204-199-0x0000000007190000-0x00000000071CF000-memory.dmp
      Filesize

      252KB

    • memory/4204-201-0x0000000007190000-0x00000000071CF000-memory.dmp
      Filesize

      252KB

    • memory/4204-203-0x0000000007190000-0x00000000071CF000-memory.dmp
      Filesize

      252KB

    • memory/4204-205-0x0000000007190000-0x00000000071CF000-memory.dmp
      Filesize

      252KB

    • memory/4204-207-0x0000000007190000-0x00000000071CF000-memory.dmp
      Filesize

      252KB

    • memory/4204-209-0x0000000007190000-0x00000000071CF000-memory.dmp
      Filesize

      252KB

    • memory/4204-211-0x0000000007190000-0x00000000071CF000-memory.dmp
      Filesize

      252KB

    • memory/4204-213-0x0000000007190000-0x00000000071CF000-memory.dmp
      Filesize

      252KB

    • memory/4204-215-0x0000000007190000-0x00000000071CF000-memory.dmp
      Filesize

      252KB

    • memory/4204-217-0x0000000007190000-0x00000000071CF000-memory.dmp
      Filesize

      252KB

    • memory/4204-219-0x0000000007190000-0x00000000071CF000-memory.dmp
      Filesize

      252KB

    • memory/4404-171-0x0000000004B60000-0x0000000004B72000-memory.dmp
      Filesize

      72KB

    • memory/4404-180-0x0000000000400000-0x0000000002B84000-memory.dmp
      Filesize

      39.5MB

    • memory/4404-152-0x0000000004B60000-0x0000000004B72000-memory.dmp
      Filesize

      72KB

    • memory/4404-167-0x0000000004B60000-0x0000000004B72000-memory.dmp
      Filesize

      72KB

    • memory/4404-169-0x0000000004B60000-0x0000000004B72000-memory.dmp
      Filesize

      72KB

    • memory/4404-179-0x0000000004B60000-0x0000000004B72000-memory.dmp
      Filesize

      72KB

    • memory/4404-177-0x0000000004B60000-0x0000000004B72000-memory.dmp
      Filesize

      72KB

    • memory/4404-157-0x0000000004B60000-0x0000000004B72000-memory.dmp
      Filesize

      72KB

    • memory/4404-175-0x0000000004B60000-0x0000000004B72000-memory.dmp
      Filesize

      72KB

    • memory/4404-173-0x0000000004B60000-0x0000000004B72000-memory.dmp
      Filesize

      72KB

    • memory/4404-153-0x0000000004B60000-0x0000000004B72000-memory.dmp
      Filesize

      72KB

    • memory/4404-155-0x0000000004B60000-0x0000000004B72000-memory.dmp
      Filesize

      72KB

    • memory/4404-182-0x0000000000400000-0x0000000002B84000-memory.dmp
      Filesize

      39.5MB

    • memory/4404-165-0x0000000004B60000-0x0000000004B72000-memory.dmp
      Filesize

      72KB

    • memory/4404-163-0x0000000004B60000-0x0000000004B72000-memory.dmp
      Filesize

      72KB

    • memory/4404-161-0x0000000004B60000-0x0000000004B72000-memory.dmp
      Filesize

      72KB

    • memory/4404-159-0x0000000004B60000-0x0000000004B72000-memory.dmp
      Filesize

      72KB

    • memory/4404-151-0x00000000072D0000-0x0000000007874000-memory.dmp
      Filesize

      5.6MB

    • memory/4404-150-0x00000000072C0000-0x00000000072D0000-memory.dmp
      Filesize

      64KB

    • memory/4404-149-0x00000000072C0000-0x00000000072D0000-memory.dmp
      Filesize

      64KB

    • memory/4404-148-0x0000000002C60000-0x0000000002C8D000-memory.dmp
      Filesize

      180KB