Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-06-2024 21:11

General

  • Target

    4968fd74d0eca2ecfb169c87dd8008181abe551ca91c7396c765fd67f588815e.exe

  • Size

    834KB

  • MD5

    2a13bd0e8247f4e3b4b92e2248171ef6

  • SHA1

    a5252c5b3aac0afda1fe76d1ec6339bb994ec9ce

  • SHA256

    4968fd74d0eca2ecfb169c87dd8008181abe551ca91c7396c765fd67f588815e

  • SHA512

    d598ff6aa5bf9ad5a1e6fba0a2df72cc7e43589c7e77c753efc00ec4ab97131e4ffcc0289dc8339c881b95357328213bc6ac518f71e4118714e8ea87e8b3768e

  • SSDEEP

    12288:bCf0rGLDrU1qBBuE+juhnS6/fRRCRdXcue9NNqo5TzIuYJhi9OKtqAOU80tZqoCh:bCdL4E+j8SmRRahe9NLr9ONAdy/IXi

Malware Config

Extracted

Family

redline

Botnet

cheat

C2

185.222.58.70:55615

Signatures

  • RedLine

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

  • RedLine payload 5 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 5 IoCs
  • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 5 IoCs
  • Detects executables packed with SmartAssembly 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 7 IoCs
  • 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 6 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4968fd74d0eca2ecfb169c87dd8008181abe551ca91c7396c765fd67f588815e.exe
    "C:\Users\Admin\AppData\Local\Temp\4968fd74d0eca2ecfb169c87dd8008181abe551ca91c7396c765fd67f588815e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1216
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\PO.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\PO.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2576
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\RarSFX0\PO.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2460
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KqWcrEQbkVyaIO.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1212
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KqWcrEQbkVyaIO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6558.tmp"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2972
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\PO.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\PO.exe"
        3⤵
        • Executes dropped EXE
        PID:760
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\PO.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\PO.exe"
        3⤵
        • Executes dropped EXE
        PID:2936
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\PO.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\PO.exe"
        3⤵
        • Executes dropped EXE
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2200
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:1248

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

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

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Cab9C32.tmp
    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\PO.jpg
    Filesize

    48KB

    MD5

    e83ccb51ee74efd2a221be293d23c69a

    SHA1

    4365ca564f7cdd7337cf0f83ac5fd64317fb4c32

    SHA256

    da931852a19a707d01c3edf138622b8601056c42525f8ac40cb48af43a7410cc

    SHA512

    0252e629fbdafdb66ff63ef76d18f25d1ca46ac3eff019f012361db45ebd34d1a7a9ad35f7a2fc5830676c771997633f3abf1dc3224bd8f6bd55456b0a554a46

  • C:\Users\Admin\AppData\Local\Temp\TarA138.tmp
    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\tmp6558.tmp
    Filesize

    1KB

    MD5

    bdcec0933420116eb6e15b88013b438a

    SHA1

    6fb122f22183a48a44916bc60b5e2fb2061d9386

    SHA256

    34298f4eafed110eadabd456b4ac49c79c6726e16c8c2e8adc05eb367159fc10

    SHA512

    45249b0b2ac972aa2c64f4d5bd8e59947e4a32fec14259e6266b42c7ea996163a3c5e1a7f3c72998e879558022918ef0b66e67e3bb4ed924d2da9f9b0da9c8dd

  • C:\Users\Admin\AppData\Local\Temp\tmpA878.tmp
    Filesize

    46KB

    MD5

    02d2c46697e3714e49f46b680b9a6b83

    SHA1

    84f98b56d49f01e9b6b76a4e21accf64fd319140

    SHA256

    522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9

    SHA512

    60348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac

  • C:\Users\Admin\AppData\Local\Temp\tmpA88D.tmp
    Filesize

    92KB

    MD5

    cca646afddab881d02bb60864ff72e23

    SHA1

    25b462e62a0219857cc854f6433e8acea77e3dbc

    SHA256

    c7223e5de0b0db22b3e193b2d48215816c75472ccdf9330a0ab66d4731b2e49e

    SHA512

    c35da6cfe5e4a3f887a876b38b4e5b9e6d5c035cf8d6f20158f89ee14a196941fd6a29faa1f90f64cd253556536670773ec15cd358014d994483a8745c41587d

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
    Filesize

    7KB

    MD5

    f02169a6749ec8a26e34a26ca4fedd59

    SHA1

    81882fe5cbe01e62578eea24584839b4861b0e9c

    SHA256

    63beee4647d65d716aeff07a142be3f53081a735c11fd496f40c1b369c0208dd

    SHA512

    f47a484c6861997ffcb075eaacb2cf2d716f8a19843a562154a7bb6e06efab1670be719798b9be71eb778055a6dc41682fb1cbd24af52c64e2455ec7bace14a0

  • \Users\Admin\AppData\Local\Temp\RarSFX0\PO.exe
    Filesize

    589KB

    MD5

    26afbb9dcfc34b21455b5af126c1bf9e

    SHA1

    ed732bf6ed3fd98ec70d1ed3ebe7d44a00df582e

    SHA256

    9b19e722aed6ca589d2d433cdceaf462c2d30c26916a9b3bbab7e8ed8c1ed78e

    SHA512

    da99c06b0647687de9eafd12468dc0cb27896692b99d842cba7a63229904d82a7cc753552abe82734b8143b03d7ea9df166bf8d8e3a7784c77184e8c9bb9698f

  • memory/1216-4-0x0000000002280000-0x0000000002282000-memory.dmp
    Filesize

    8KB

  • memory/1248-6-0x00000000002A0000-0x00000000002A1000-memory.dmp
    Filesize

    4KB

  • memory/1248-5-0x0000000000140000-0x0000000000142000-memory.dmp
    Filesize

    8KB

  • memory/1248-57-0x00000000002A0000-0x00000000002A1000-memory.dmp
    Filesize

    4KB

  • memory/2200-55-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/2200-52-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2200-48-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/2200-45-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/2200-46-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/2200-53-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/2200-56-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/2200-50-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/2576-26-0x00000000051C0000-0x0000000005220000-memory.dmp
    Filesize

    384KB

  • memory/2576-25-0x0000000000370000-0x000000000037C000-memory.dmp
    Filesize

    48KB

  • memory/2576-24-0x0000000000350000-0x0000000000360000-memory.dmp
    Filesize

    64KB

  • memory/2576-23-0x0000000004D80000-0x0000000004DF0000-memory.dmp
    Filesize

    448KB

  • memory/2576-21-0x00000000002B0000-0x0000000000344000-memory.dmp
    Filesize

    592KB