Overview

overview

10

Static

static

ﱞﱞﱞ�...ﱞﱞ

windows10_x64

10

ﱞﱞﱞ�...ฺฺ

windows10_x64

8

ﱞﱞﱞ�...ﱞﱞ

windows10_x64

10

ﱞﱞﱞ�...ﱞﱞ

windows10_x64

8

ﱞﱞﱞ�...ﱞﱞ

windows7_x64

10

win102

windows10_x64

8

win104

windows10_x64

10

win105

windows10_x64

10

win106

windows10_x64

8

win103

windows10_x64

10

win101

windows10_x64

8

win100

windows10_x64

10

Resubmissions

24-05-2021 05:31

210524-b4dx7j71fj 10

21-05-2021 13:30

210521-r42mg8cghe 10

Analysis

  • max time kernel
    1772s
  • max time network
    1605s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    21-05-2021 13:30

Sharing

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General

  • Target

    keygen-step-4.exe

  • Size

    5.6MB

  • MD5

    a110ce3f7366c6bb12553ea17a793110

  • SHA1

    8e10076496347d6324382f20968f3b7c8516eedf

  • SHA256

    0e63f296fdc309cb1e487cd1a549d029d2a9144b8a050db274901030dc6ec0f3

  • SHA512

    dc9103da71a1143365f3c7f39c4a316a9b9cc6e337b601a95d13d68bba777d2145d79a9d44ac96edce71775819e4d4bb2bb0cf7e49627163237ec3580b25c3cf

Score
10/10
redlineservlyla2infostealerspywarevmprotect

Malware Config

Extracted

Family

redline

Botnet

ServLyla2

C2

87.251.71.4:80

Signatures

  • RedLine

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

    infostealerredline
  • RedLine Payload 3 IoCs
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Executes dropped EXE 3 IoCs
  • VMProtect packed file 11 IoCs

    Detects executables packed with VMProtect commercial packer.

    vmprotect
  • Loads dropped DLL 21 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
    spyware
  • Looks up external IP address via web service 1 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 30 IoCs
  • Modifies registry class 10 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Windows\system32\services.exe
    C:\Windows\system32\services.exe
    1⤵
      PID:468
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k netsvcs
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in System32 directory
        • Suspicious use of SetThreadContext
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:868
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k SystemNetworkService
        2⤵
        • Drops file in System32 directory
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        • Modifies registry class
        PID:1480
    • C:\Users\Admin\AppData\Local\Temp\keygen-step-4.exe
      "C:\Users\Admin\AppData\Local\Temp\keygen-step-4.exe"
      1⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1040
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Crack.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Crack.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1968
        • C:\Windows\SysWOW64\rUNdlL32.eXe
          "C:\Windows\system32\rUNdlL32.eXe" "C:\Users\Admin\AppData\Local\Temp\install.dll",setuser
          3⤵
          • Loads dropped DLL
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1716
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\ABCbrow.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\ABCbrow.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Modifies system certificate store
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1532
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:652
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\jg6_6asg.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\jg6_6asg.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1944
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 192
          3⤵
          • Loads dropped DLL
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          PID:1700

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/652-116-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/652-98-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

      Download

    • memory/652-100-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

      Download

    • memory/868-94-0x00000000014A0000-0x00000000014EB000-memory.dmp

      Filesize

      300KB

      Download

    • memory/868-95-0x0000000002EC0000-0x0000000002F30000-memory.dmp

      Filesize

      448KB

      Download

    • memory/1040-60-0x0000000074F31000-0x0000000074F33000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1480-97-0x00000000002A0000-0x0000000000310000-memory.dmp

      Filesize

      448KB

      Download

    • memory/1480-118-0x00000000027C0000-0x00000000028C6000-memory.dmp

      Filesize

      1.0MB

      Download

    • memory/1532-90-0x00000000006C0000-0x00000000006C1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1532-85-0x0000000000B40000-0x0000000000B41000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1532-92-0x0000000000310000-0x0000000000319000-memory.dmp

      Filesize

      36KB

      Download

    • memory/1700-117-0x0000000000330000-0x0000000000390000-memory.dmp

      Filesize

      384KB

      Download

    • memory/1716-88-0x0000000000A40000-0x0000000000B41000-memory.dmp

      Filesize

      1.0MB

      Download

    • memory/1716-87-0x0000000010000000-0x0000000010002000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1716-89-0x0000000000960000-0x00000000009BC000-memory.dmp

      Filesize

      368KB

      Download

    • memory/1944-109-0x0000000000400000-0x00000000005DB000-memory.dmp

      Filesize

      1.9MB

      Download