Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-06-2023 17:36

General

  • Target

    554d25724c8f6f53af8721d0ef6b6f42.exe

  • Size

    736KB

  • MD5

    554d25724c8f6f53af8721d0ef6b6f42

  • SHA1

    12aa02a42690740e106790852709edd8648177ac

  • SHA256

    e43fff23b2fff04d4a335ab5ff3cf69ba90bcc0dbe35901cf1c1e020614a0f07

  • SHA512

    b3edc933a34230613dafc3edf1d3e6e6adc73a55fcad4b4e80d903aec6bd87052df69c7752a39618385508006625b4d828bf25eaecc15bec4966e9320a39bff0

  • SSDEEP

    12288:HMriy90oEzXGK/FxXki8Y52n1bW2sIPNhO1d8lvUeVaPXDBXi9V0Hh9PHL39n+rZ:xyLQWK/FxuY5kIAwBeV+XlXtHhJrt+rZ

Malware Config

Extracted

Family

redline

Botnet

maxi

C2

83.97.73.126:19048

Attributes
  • auth_value

    6a3f22e5f4209b056a3fd330dc71956a

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 12 IoCs
  • RedLine

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

  • Executes dropped EXE 6 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
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\554d25724c8f6f53af8721d0ef6b6f42.exe
    "C:\Users\Admin\AppData\Local\Temp\554d25724c8f6f53af8721d0ef6b6f42.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4088
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4282178.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4282178.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4972
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v8350329.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v8350329.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4852
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5476116.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5476116.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:1376
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a6692923.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a6692923.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2416
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b8416695.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b8416695.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4324
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AppLaunch.exe"
              6⤵
              • Modifies Windows Defender Real-time Protection settings
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:212
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 140
              6⤵
              • Program crash
              PID:1784
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c1073509.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c1073509.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4968
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4324 -ip 4324
    1⤵
      PID:2584

    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

    1
    T1081

    Discovery

    Query Registry

    1
    T1012

    Collection

    Data from Local System

    1
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4282178.exe
      Filesize

      530KB

      MD5

      74c8878c784193821fde72cdb708b9e5

      SHA1

      e9fc68444cc64464845fb86b78bd27cf2d58bea0

      SHA256

      e7ce2b0f8b8b468c645c5ec18db067302f716364e92f58aad0b7a3ccafb9ab8d

      SHA512

      1d4c4c033457861943e9f9b5c53716fa4df852894b5480fe5df7ac4e6701d6445b5308e494a204fb55e2641f36f2cd208946209f40706fdee5a80a9af40be76b

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4282178.exe
      Filesize

      530KB

      MD5

      74c8878c784193821fde72cdb708b9e5

      SHA1

      e9fc68444cc64464845fb86b78bd27cf2d58bea0

      SHA256

      e7ce2b0f8b8b468c645c5ec18db067302f716364e92f58aad0b7a3ccafb9ab8d

      SHA512

      1d4c4c033457861943e9f9b5c53716fa4df852894b5480fe5df7ac4e6701d6445b5308e494a204fb55e2641f36f2cd208946209f40706fdee5a80a9af40be76b

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v8350329.exe
      Filesize

      357KB

      MD5

      4a07d3b59f93c28437247216a494c0c2

      SHA1

      ec2ef25efc1f74689e80480141053ac7a91f0352

      SHA256

      5f6cc1acf6ec51f9a9fd13a1bc5ae19a5f473c1a2780416abb113c96c350212e

      SHA512

      2e09dab24c8356b858bdddaf3416351aee77d850f5b9222e04fc5abbced490d396edd1e02c5fac71d318a5d94b88f18509da610691c55d4300ac0efab57c36dc

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v8350329.exe
      Filesize

      357KB

      MD5

      4a07d3b59f93c28437247216a494c0c2

      SHA1

      ec2ef25efc1f74689e80480141053ac7a91f0352

      SHA256

      5f6cc1acf6ec51f9a9fd13a1bc5ae19a5f473c1a2780416abb113c96c350212e

      SHA512

      2e09dab24c8356b858bdddaf3416351aee77d850f5b9222e04fc5abbced490d396edd1e02c5fac71d318a5d94b88f18509da610691c55d4300ac0efab57c36dc

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c1073509.exe
      Filesize

      172KB

      MD5

      f17b925b89873e7378d7044d135f23e2

      SHA1

      a382efba677549ccd2e1019639a072a3ad58da26

      SHA256

      6fdd5e1f4426925be384b71188e67e5e8305143418321b6ce6389809d5a7690e

      SHA512

      fee1bdc466b2e124bdd7c41aa0e057e373945f4b57223e157dc338df638ebfbc23cb702fd986d96487b1db0950966f7574d020c123bd516b5dce73bda9a1aaf8

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c1073509.exe
      Filesize

      172KB

      MD5

      f17b925b89873e7378d7044d135f23e2

      SHA1

      a382efba677549ccd2e1019639a072a3ad58da26

      SHA256

      6fdd5e1f4426925be384b71188e67e5e8305143418321b6ce6389809d5a7690e

      SHA512

      fee1bdc466b2e124bdd7c41aa0e057e373945f4b57223e157dc338df638ebfbc23cb702fd986d96487b1db0950966f7574d020c123bd516b5dce73bda9a1aaf8

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5476116.exe
      Filesize

      202KB

      MD5

      b6de18a33a5bc0ac35f1a39e7490c08d

      SHA1

      c33bfa9a357bc475a29f92a849f82b43fe4ffc76

      SHA256

      4e4146f2cc0f240ea42bac1bd223893662010ebc02a314f0471f980b9a69623b

      SHA512

      86a0fb90c03e413f4c04bddd16b835d105c548dd4f86e42c199f66c63cd7fc7def2bd0ec9fd493b2352681771d9877231b3274aee0f89b02937b4f2010dc5290

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5476116.exe
      Filesize

      202KB

      MD5

      b6de18a33a5bc0ac35f1a39e7490c08d

      SHA1

      c33bfa9a357bc475a29f92a849f82b43fe4ffc76

      SHA256

      4e4146f2cc0f240ea42bac1bd223893662010ebc02a314f0471f980b9a69623b

      SHA512

      86a0fb90c03e413f4c04bddd16b835d105c548dd4f86e42c199f66c63cd7fc7def2bd0ec9fd493b2352681771d9877231b3274aee0f89b02937b4f2010dc5290

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a6692923.exe
      Filesize

      12KB

      MD5

      f85901fcc83414178c8a881836b4b2c5

      SHA1

      f0fb83bc0001f02bb667eadcd304d94256c185dd

      SHA256

      aa711fb69f762623c2f61665c13a2e430d89bc81e418385b89da18e34073121c

      SHA512

      650a42f98f4439662df4bc0a4d04eab932e16914087d7af64c00bd40529178086cadf47469f8522d8250e432495f1856948ed739c46999e5fe05dd217d28e489

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a6692923.exe
      Filesize

      12KB

      MD5

      f85901fcc83414178c8a881836b4b2c5

      SHA1

      f0fb83bc0001f02bb667eadcd304d94256c185dd

      SHA256

      aa711fb69f762623c2f61665c13a2e430d89bc81e418385b89da18e34073121c

      SHA512

      650a42f98f4439662df4bc0a4d04eab932e16914087d7af64c00bd40529178086cadf47469f8522d8250e432495f1856948ed739c46999e5fe05dd217d28e489

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b8416695.exe
      Filesize

      117KB

      MD5

      99c79b4865f41834bf153c3eb2007bb1

      SHA1

      bec27466b5257cf4adfebed9b3e2ef99c23b7aeb

      SHA256

      13d22c4aa1fb26ddbc1d57209e9c7a40fe3e5df472b0239d5fbd66829066293c

      SHA512

      f0cd6b29fc00ffcf6b2152264f717c47861554c2cd6638654ce35617191d3035309b9b3d2182b55ec01f25afa8e914a34fc85846de5cb4c03ae04f5edee4b635

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b8416695.exe
      Filesize

      117KB

      MD5

      99c79b4865f41834bf153c3eb2007bb1

      SHA1

      bec27466b5257cf4adfebed9b3e2ef99c23b7aeb

      SHA256

      13d22c4aa1fb26ddbc1d57209e9c7a40fe3e5df472b0239d5fbd66829066293c

      SHA512

      f0cd6b29fc00ffcf6b2152264f717c47861554c2cd6638654ce35617191d3035309b9b3d2182b55ec01f25afa8e914a34fc85846de5cb4c03ae04f5edee4b635

    • memory/212-167-0x0000000000300000-0x000000000030A000-memory.dmp
      Filesize

      40KB

    • memory/2416-161-0x0000000000E40000-0x0000000000E4A000-memory.dmp
      Filesize

      40KB

    • memory/4968-175-0x00000000007F0000-0x0000000000820000-memory.dmp
      Filesize

      192KB

    • memory/4968-176-0x0000000005860000-0x0000000005E78000-memory.dmp
      Filesize

      6.1MB

    • memory/4968-177-0x0000000005350000-0x000000000545A000-memory.dmp
      Filesize

      1.0MB

    • memory/4968-178-0x0000000005290000-0x00000000052A2000-memory.dmp
      Filesize

      72KB

    • memory/4968-179-0x00000000052F0000-0x000000000532C000-memory.dmp
      Filesize

      240KB

    • memory/4968-180-0x0000000005030000-0x0000000005040000-memory.dmp
      Filesize

      64KB

    • memory/4968-181-0x0000000005600000-0x0000000005676000-memory.dmp
      Filesize

      472KB

    • memory/4968-182-0x0000000005720000-0x00000000057B2000-memory.dmp
      Filesize

      584KB

    • memory/4968-183-0x0000000006820000-0x0000000006DC4000-memory.dmp
      Filesize

      5.6MB

    • memory/4968-184-0x00000000057C0000-0x0000000005826000-memory.dmp
      Filesize

      408KB

    • memory/4968-185-0x0000000006370000-0x00000000063C0000-memory.dmp
      Filesize

      320KB

    • memory/4968-187-0x0000000006DD0000-0x0000000006F92000-memory.dmp
      Filesize

      1.8MB

    • memory/4968-188-0x00000000089F0000-0x0000000008F1C000-memory.dmp
      Filesize

      5.2MB

    • memory/4968-189-0x0000000005030000-0x0000000005040000-memory.dmp
      Filesize

      64KB