Analysis

  • max time kernel
    52s
  • max time network
    70s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    23-03-2023 15:12

General

  • Target

    2f37ffacca022eba4dec493503b5ba4e0587554f9cdb97a37a784e5646a521a0.exe

  • Size

    679KB

  • MD5

    464c429d15d6369aca6170e9e39d1524

  • SHA1

    0c82f3fa0f4cc6679efee19b6fa75ecb54836a87

  • SHA256

    2f37ffacca022eba4dec493503b5ba4e0587554f9cdb97a37a784e5646a521a0

  • SHA512

    acf549e6051c971e41ed26db309d8e1ff2a5eb1483756accc2d805d822fb1d7ff14092b944b14592d186532a4f06bfb5390e49ab01694390c67b8930cdf2e90e

  • SSDEEP

    12288:0H1pUm5YOZdyT8xt49RuwydFaySKZ0koWb0QNRnZfB/4fW6z99:0MCdyee9RuwSayShHWbpdBQfWQ99

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 5 IoCs
  • RedLine

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

  • RedLine payload 34 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2f37ffacca022eba4dec493503b5ba4e0587554f9cdb97a37a784e5646a521a0.exe
    "C:\Users\Admin\AppData\Local\Temp\2f37ffacca022eba4dec493503b5ba4e0587554f9cdb97a37a784e5646a521a0.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:372
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziyu1605.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziyu1605.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4296
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr664407.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr664407.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1480
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku396740.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku396740.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2168
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr127957.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr127957.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4672

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr127957.exe
    Filesize

    175KB

    MD5

    41707338e1e2d868aa699ac0dd2e77b0

    SHA1

    36e0dfba09f9fb409faf0f9a99217d0d0c524b82

    SHA256

    8d2a5ba6ae16aa5ee13382edb585c480b6bf2db098427ffe5f8d55323ded7557

    SHA512

    80c66cbf19f6b2cc2e979b1fd1769cf45957761fa3f94b33fc194f88379b57ec9327a86ce374c6dc25334b44e4e8aa518a5d0d03ddb4f4eddfdfe8ddfc9fb6f2

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr127957.exe
    Filesize

    175KB

    MD5

    41707338e1e2d868aa699ac0dd2e77b0

    SHA1

    36e0dfba09f9fb409faf0f9a99217d0d0c524b82

    SHA256

    8d2a5ba6ae16aa5ee13382edb585c480b6bf2db098427ffe5f8d55323ded7557

    SHA512

    80c66cbf19f6b2cc2e979b1fd1769cf45957761fa3f94b33fc194f88379b57ec9327a86ce374c6dc25334b44e4e8aa518a5d0d03ddb4f4eddfdfe8ddfc9fb6f2

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziyu1605.exe
    Filesize

    402KB

    MD5

    518b04ba64616f0c983c465195bb272b

    SHA1

    725a5976fabf6827df5618081a05d3bc852aad9a

    SHA256

    dca49399288362d252e53016e407897b9951c58c4de6ce1e3b17bb0289293985

    SHA512

    1c2b119e79f1f58af1062dd1cc72558e48b5cf871dbad79d8d4f34938c46156dddb9675850ca059700a27e88ef8edf8bc62b95ed35f56a39b7881df360596731

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziyu1605.exe
    Filesize

    402KB

    MD5

    518b04ba64616f0c983c465195bb272b

    SHA1

    725a5976fabf6827df5618081a05d3bc852aad9a

    SHA256

    dca49399288362d252e53016e407897b9951c58c4de6ce1e3b17bb0289293985

    SHA512

    1c2b119e79f1f58af1062dd1cc72558e48b5cf871dbad79d8d4f34938c46156dddb9675850ca059700a27e88ef8edf8bc62b95ed35f56a39b7881df360596731

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr664407.exe
    Filesize

    11KB

    MD5

    7e93bacbbc33e6652e147e7fe07572a0

    SHA1

    421a7167da01c8da4dc4d5234ca3dd84e319e762

    SHA256

    850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

    SHA512

    250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr664407.exe
    Filesize

    11KB

    MD5

    7e93bacbbc33e6652e147e7fe07572a0

    SHA1

    421a7167da01c8da4dc4d5234ca3dd84e319e762

    SHA256

    850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

    SHA512

    250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku396740.exe
    Filesize

    349KB

    MD5

    2d2e7f883609b2952e13fc14f1055ddc

    SHA1

    7cd63c64d30e026f9f6be9afabde1f463685f082

    SHA256

    cccad3304cfc62139cc7e78a31b2246f7112336573d690eb05036c70d2ee8c7b

    SHA512

    412768cc8e7e1b4f454a9425fb16ef64b4fecdb13793567e57011eb7db50c30e8717560b2a677b37c8b48bf6da036e4967ceda81e697006b80186bbd36f08828

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku396740.exe
    Filesize

    349KB

    MD5

    2d2e7f883609b2952e13fc14f1055ddc

    SHA1

    7cd63c64d30e026f9f6be9afabde1f463685f082

    SHA256

    cccad3304cfc62139cc7e78a31b2246f7112336573d690eb05036c70d2ee8c7b

    SHA512

    412768cc8e7e1b4f454a9425fb16ef64b4fecdb13793567e57011eb7db50c30e8717560b2a677b37c8b48bf6da036e4967ceda81e697006b80186bbd36f08828

  • memory/372-124-0x00000000044A0000-0x000000000452A000-memory.dmp
    Filesize

    552KB

  • memory/372-136-0x0000000000400000-0x000000000076C000-memory.dmp
    Filesize

    3.4MB

  • memory/1480-135-0x00000000004F0000-0x00000000004FA000-memory.dmp
    Filesize

    40KB

  • memory/2168-178-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-190-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-146-0x0000000004EC0000-0x0000000004ED0000-memory.dmp
    Filesize

    64KB

  • memory/2168-145-0x0000000004EC0000-0x0000000004ED0000-memory.dmp
    Filesize

    64KB

  • memory/2168-147-0x0000000004ED0000-0x00000000053CE000-memory.dmp
    Filesize

    5.0MB

  • memory/2168-148-0x0000000002730000-0x0000000002774000-memory.dmp
    Filesize

    272KB

  • memory/2168-149-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-150-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-152-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-154-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-156-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-158-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-160-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-162-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-164-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-166-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-168-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-170-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-172-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-174-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-176-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-143-0x0000000000820000-0x000000000086B000-memory.dmp
    Filesize

    300KB

  • memory/2168-180-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-182-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-184-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-186-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-188-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-144-0x0000000004EC0000-0x0000000004ED0000-memory.dmp
    Filesize

    64KB

  • memory/2168-192-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-194-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-196-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-198-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-200-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-202-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-204-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-206-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-208-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-210-0x0000000002730000-0x000000000276E000-memory.dmp
    Filesize

    248KB

  • memory/2168-1055-0x00000000059E0000-0x0000000005FE6000-memory.dmp
    Filesize

    6.0MB

  • memory/2168-1056-0x0000000004DA0000-0x0000000004EAA000-memory.dmp
    Filesize

    1.0MB

  • memory/2168-1057-0x00000000053F0000-0x0000000005402000-memory.dmp
    Filesize

    72KB

  • memory/2168-1058-0x0000000005410000-0x000000000544E000-memory.dmp
    Filesize

    248KB

  • memory/2168-1059-0x0000000005560000-0x00000000055AB000-memory.dmp
    Filesize

    300KB

  • memory/2168-1060-0x0000000004EC0000-0x0000000004ED0000-memory.dmp
    Filesize

    64KB

  • memory/2168-1062-0x00000000056F0000-0x0000000005756000-memory.dmp
    Filesize

    408KB

  • memory/2168-1063-0x00000000063F0000-0x0000000006482000-memory.dmp
    Filesize

    584KB

  • memory/2168-1065-0x0000000004EC0000-0x0000000004ED0000-memory.dmp
    Filesize

    64KB

  • memory/2168-1066-0x00000000066E0000-0x0000000006756000-memory.dmp
    Filesize

    472KB

  • memory/2168-1067-0x0000000006770000-0x00000000067C0000-memory.dmp
    Filesize

    320KB

  • memory/2168-1068-0x0000000004EC0000-0x0000000004ED0000-memory.dmp
    Filesize

    64KB

  • memory/2168-1069-0x00000000067D0000-0x0000000006992000-memory.dmp
    Filesize

    1.8MB

  • memory/2168-142-0x0000000002690000-0x00000000026D6000-memory.dmp
    Filesize

    280KB

  • memory/2168-1070-0x00000000069B0000-0x0000000006EDC000-memory.dmp
    Filesize

    5.2MB

  • memory/4672-1076-0x0000000000BE0000-0x0000000000C12000-memory.dmp
    Filesize

    200KB

  • memory/4672-1077-0x0000000005610000-0x000000000565B000-memory.dmp
    Filesize

    300KB

  • memory/4672-1078-0x0000000005750000-0x0000000005760000-memory.dmp
    Filesize

    64KB