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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
    57s
  • max time network
    36s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21/05/2021, 13:30

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General

  • Target

    keygen-step-4.exe

  • Size

    5.6MB

  • MD5

    a110ce3f7366c6bb12553ea17a793110

  • SHA1

    8e10076496347d6324382f20968f3b7c8516eedf

  • SHA256

    0e63f296fdc309cb1e487cd1a549d029d2a9144b8a050db274901030dc6ec0f3

  • SHA512

    dc9103da71a1143365f3c7f39c4a316a9b9cc6e337b601a95d13d68bba777d2145d79a9d44ac96edce71775819e4d4bb2bb0cf7e49627163237ec3580b25c3cf

Score
10/10
plugxredlineservlyla2evasioninfostealerpersistencespywarestealertrojanupxvmprotect

Malware Config

Extracted

Family

redline

Botnet

ServLyla2

C2

87.251.71.4:80

Signatures

  • PlugX

    PlugX is a RAT (Remote Access Trojan) that has been around since 2008.

    trojanplugx
  • RedLine

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

    infostealerredline
  • RedLine Payload 2 IoCs
  • Executes dropped EXE 6 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • VMProtect packed file 3 IoCs

    Detects executables packed with VMProtect commercial packer.

    vmprotect
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Legitimate hosting services abused for malware hosting/C2 1 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.

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

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

  • 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 16 IoCs
  • Modifies registry class 11 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Browser
    1⤵
      PID:2864
    • c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s WpnService
      1⤵
        PID:2644
      • c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
        1⤵
          PID:2616
        • c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
          1⤵
            PID:2472
          • c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
            1⤵
              PID:2456
            • c:\windows\system32\svchost.exe
              c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
              1⤵
                PID:1852
              • c:\windows\system32\svchost.exe
                c:\windows\system32\svchost.exe -k netsvcs -s SENS
                1⤵
                  PID:1352
                • c:\windows\system32\svchost.exe
                  c:\windows\system32\svchost.exe -k netsvcs -s UserManager
                  1⤵
                    PID:1276
                  • c:\windows\system32\svchost.exe
                    c:\windows\system32\svchost.exe -k netsvcs -s Themes
                    1⤵
                      PID:1228
                    • c:\windows\system32\svchost.exe
                      c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
                      1⤵
                        PID:1104
                      • c:\windows\system32\svchost.exe
                        c:\windows\system32\svchost.exe -k netsvcs -s Schedule
                        1⤵
                          PID:928
                        • c:\windows\system32\svchost.exe
                          c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
                          1⤵
                            PID:352
                          • C:\Users\Admin\AppData\Local\Temp\keygen-step-4.exe
                            "C:\Users\Admin\AppData\Local\Temp\keygen-step-4.exe"
                            1⤵
                            • Suspicious use of WriteProcessMemory
                            PID:4036
                            • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Crack.exe
                              "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Crack.exe"
                              2⤵
                              • Executes dropped EXE
                              • Checks computer location settings
                              • Modifies registry class
                              • Suspicious use of WriteProcessMemory
                              PID:2944
                              • 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:2132
                            • 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
                              • Suspicious use of AdjustPrivilegeToken
                              • Suspicious use of WriteProcessMemory
                              PID:3196
                              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                                C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                                3⤵
                                  PID:2496
                                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                                  C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                                  3⤵
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:3808
                              • C:\Users\Admin\AppData\Local\Temp\RarSFX0\jg6_6asg.exe
                                "C:\Users\Admin\AppData\Local\Temp\RarSFX0\jg6_6asg.exe"
                                2⤵
                                • Executes dropped EXE
                                • Checks whether UAC is enabled
                                • Suspicious use of AdjustPrivilegeToken
                                PID:2384
                              • C:\Users\Admin\AppData\Local\Temp\RarSFX0\gaoou.exe
                                "C:\Users\Admin\AppData\Local\Temp\RarSFX0\gaoou.exe"
                                2⤵
                                • Executes dropped EXE
                                • Adds Run key to start application
                                • Suspicious use of WriteProcessMemory
                                PID:2076
                                • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                                  C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                                  3⤵
                                  • Executes dropped EXE
                                  PID:784
                                • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                                  C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                                  3⤵
                                  • Executes dropped EXE
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:2300
                            • \??\c:\windows\system32\svchost.exe
                              c:\windows\system32\svchost.exe -k netsvcs -s BITS
                              1⤵
                              • Suspicious use of SetThreadContext
                              • Modifies data under HKEY_USERS
                              • Modifies registry class
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of AdjustPrivilegeToken
                              • Suspicious use of WriteProcessMemory
                              PID:2100
                              • 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:2696

                            Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • memory/352-167-0x000001E078E40000-0x000001E078EB0000-memory.dmp

                              Filesize

                              448KB

                              Download

                            • memory/928-162-0x0000020859E40000-0x0000020859EB0000-memory.dmp

                              Filesize

                              448KB

                              Download

                            • memory/1104-156-0x0000026B11320000-0x0000026B11390000-memory.dmp

                              Filesize

                              448KB

                              Download

                            • memory/1228-182-0x0000015777240000-0x00000157772B0000-memory.dmp

                              Filesize

                              448KB

                              Download

                            • memory/1276-184-0x000001C197B60000-0x000001C197BD0000-memory.dmp

                              Filesize

                              448KB

                              Download

                            • memory/1352-168-0x000001A927A50000-0x000001A927AC0000-memory.dmp

                              Filesize

                              448KB

                              Download

                            • memory/1852-180-0x000001AD22F50000-0x000001AD22FC0000-memory.dmp

                              Filesize

                              448KB

                              Download

                            • memory/2100-149-0x00000267963E0000-0x0000026796450000-memory.dmp

                              Filesize

                              448KB

                              Download

                            • memory/2132-142-0x0000000000CD0000-0x0000000000D2C000-memory.dmp

                              Filesize

                              368KB

                              Download

                            • memory/2132-137-0x0000000000BCE000-0x0000000000CCF000-memory.dmp

                              Filesize

                              1.0MB

                              Download

                            • memory/2384-203-0x0000000003780000-0x0000000003790000-memory.dmp

                              Filesize

                              64KB

                              Download

                            • memory/2384-209-0x0000000003920000-0x0000000003930000-memory.dmp

                              Filesize

                              64KB

                              Download

                            • memory/2384-199-0x0000000000400000-0x00000000005DB000-memory.dmp

                              Filesize

                              1.9MB

                              Download

                            • memory/2456-140-0x00000122DDF60000-0x00000122DDFAB000-memory.dmp

                              Filesize

                              300KB

                              Download

                            • memory/2456-144-0x00000122DE830000-0x00000122DE8A0000-memory.dmp

                              Filesize

                              448KB

                              Download

                            • memory/2472-150-0x000001B8EADD0000-0x000001B8EAE40000-memory.dmp

                              Filesize

                              448KB

                              Download

                            • memory/2616-186-0x000001C469900000-0x000001C469970000-memory.dmp

                              Filesize

                              448KB

                              Download

                            • memory/2644-188-0x000001BE65C40000-0x000001BE65CB0000-memory.dmp

                              Filesize

                              448KB

                              Download

                            • memory/2696-138-0x0000022D27E40000-0x0000022D27EB0000-memory.dmp

                              Filesize

                              448KB

                              Download

                            • memory/2696-221-0x0000022D2A400000-0x0000022D2A506000-memory.dmp

                              Filesize

                              1.0MB

                              Download

                            • memory/2864-155-0x000001EB92840000-0x000001EB928B0000-memory.dmp

                              Filesize

                              448KB

                              Download

                            • memory/3196-163-0x0000000004A10000-0x0000000004A11000-memory.dmp

                              Filesize

                              4KB

                              Download

                            • memory/3196-143-0x0000000002470000-0x0000000002479000-memory.dmp

                              Filesize

                              36KB

                              Download

                            • memory/3196-129-0x00000000001F0000-0x00000000001F1000-memory.dmp

                              Filesize

                              4KB

                              Download

                            • memory/3808-198-0x00000000050B0000-0x00000000050B1000-memory.dmp

                              Filesize

                              4KB

                              Download

                            • memory/3808-197-0x0000000005050000-0x0000000005051000-memory.dmp

                              Filesize

                              4KB

                              Download

                            • memory/3808-196-0x0000000005600000-0x0000000005601000-memory.dmp

                              Filesize

                              4KB

                              Download

                            • memory/3808-189-0x0000000000400000-0x000000000041C000-memory.dmp

                              Filesize

                              112KB

                              Download

                            • memory/3808-201-0x00000000050F0000-0x00000000050F1000-memory.dmp

                              Filesize

                              4KB

                              Download

                            • memory/3808-200-0x0000000004FF0000-0x00000000055F6000-memory.dmp

                              Filesize

                              6.0MB

                              Download

                            • memory/3808-202-0x0000000005360000-0x0000000005361000-memory.dmp

                              Filesize

                              4KB

                              Download