Analysis

  • max time kernel
    54s
  • max time network
    72s
  • 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 16:12

General

  • Target

    f7c9661ba0acfecec5fe375e8c3467a6bd891f15bbb3c6b2f53c267292c05f2d.exe

  • Size

    679KB

  • MD5

    4b0cb3ac9140cba56cc2ca57b7803d99

  • SHA1

    3bfe8e3055db40b55c399d21ee167beb324be40e

  • SHA256

    f7c9661ba0acfecec5fe375e8c3467a6bd891f15bbb3c6b2f53c267292c05f2d

  • SHA512

    5f25f804d3dd4a3dbdc93cc1505a02d314ead6c5f0a1a1d60479268b8cfc29ca95633c26eaf720006bc11a338fd3ef44619906b403c84bcdea710912c865c371

  • SSDEEP

    12288:GH1pUm5YOZdyT8xt49RuwydFaySKZ0koWb0QNRnZfB/4fW6z99:SMCdyee9RuwSayShHWbpdBQfWQ99

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\f7c9661ba0acfecec5fe375e8c3467a6bd891f15bbb3c6b2f53c267292c05f2d.exe
    "C:\Users\Admin\AppData\Local\Temp\f7c9661ba0acfecec5fe375e8c3467a6bd891f15bbb3c6b2f53c267292c05f2d.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3240
    • 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:3708
      • 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:4184
      • 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:4232
    • 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:1104

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/1104-1083-0x00000000053A0000-0x00000000053B0000-memory.dmp
    Filesize

    64KB

  • memory/1104-1082-0x0000000005550000-0x000000000559B000-memory.dmp
    Filesize

    300KB

  • memory/1104-1081-0x0000000000B20000-0x0000000000B52000-memory.dmp
    Filesize

    200KB

  • memory/3240-139-0x0000000000400000-0x000000000076C000-memory.dmp
    Filesize

    3.4MB

  • memory/3240-130-0x0000000004650000-0x00000000046DA000-memory.dmp
    Filesize

    552KB

  • memory/4184-138-0x0000000000A60000-0x0000000000A6A000-memory.dmp
    Filesize

    40KB

  • memory/4232-185-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-199-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-150-0x0000000002830000-0x0000000002874000-memory.dmp
    Filesize

    272KB

  • memory/4232-152-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-153-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-155-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-157-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-159-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-161-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-163-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-165-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-167-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-169-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-171-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-173-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-175-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-177-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-179-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-181-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-183-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-149-0x0000000002880000-0x0000000002890000-memory.dmp
    Filesize

    64KB

  • memory/4232-187-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-189-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-191-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-193-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-195-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-197-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-151-0x0000000002880000-0x0000000002890000-memory.dmp
    Filesize

    64KB

  • memory/4232-201-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-203-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-205-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-207-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-209-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-211-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-213-0x0000000002830000-0x000000000286E000-memory.dmp
    Filesize

    248KB

  • memory/4232-1058-0x0000000005980000-0x0000000005F86000-memory.dmp
    Filesize

    6.0MB

  • memory/4232-1059-0x00000000053F0000-0x00000000054FA000-memory.dmp
    Filesize

    1.0MB

  • memory/4232-1060-0x0000000005530000-0x0000000005542000-memory.dmp
    Filesize

    72KB

  • memory/4232-1061-0x0000000005550000-0x000000000558E000-memory.dmp
    Filesize

    248KB

  • memory/4232-1062-0x00000000056A0000-0x00000000056EB000-memory.dmp
    Filesize

    300KB

  • memory/4232-1063-0x0000000002880000-0x0000000002890000-memory.dmp
    Filesize

    64KB

  • memory/4232-1066-0x0000000005830000-0x0000000005896000-memory.dmp
    Filesize

    408KB

  • memory/4232-1067-0x00000000063E0000-0x0000000006472000-memory.dmp
    Filesize

    584KB

  • memory/4232-1068-0x0000000002880000-0x0000000002890000-memory.dmp
    Filesize

    64KB

  • memory/4232-1069-0x0000000002880000-0x0000000002890000-memory.dmp
    Filesize

    64KB

  • memory/4232-1070-0x0000000002880000-0x0000000002890000-memory.dmp
    Filesize

    64KB

  • memory/4232-1071-0x0000000006730000-0x00000000068F2000-memory.dmp
    Filesize

    1.8MB

  • memory/4232-1072-0x0000000006900000-0x0000000006E2C000-memory.dmp
    Filesize

    5.2MB

  • memory/4232-1073-0x0000000006F70000-0x0000000006FE6000-memory.dmp
    Filesize

    472KB

  • memory/4232-1074-0x0000000006FF0000-0x0000000007040000-memory.dmp
    Filesize

    320KB

  • memory/4232-148-0x0000000002880000-0x0000000002890000-memory.dmp
    Filesize

    64KB

  • memory/4232-146-0x00000000007F0000-0x000000000083B000-memory.dmp
    Filesize

    300KB

  • memory/4232-147-0x0000000004D00000-0x00000000051FE000-memory.dmp
    Filesize

    5.0MB

  • memory/4232-145-0x0000000002480000-0x00000000024C6000-memory.dmp
    Filesize

    280KB

  • memory/4232-1075-0x0000000002880000-0x0000000002890000-memory.dmp
    Filesize

    64KB