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Analysis

  • max time kernel
    17s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    30/06/2021, 09:04

General

  • Target

    DC2AD73D29C4F13A9DA18F327625A6C7.exe

  • Size

    3.1MB

  • MD5

    dc2ad73d29c4f13a9da18f327625a6c7

  • SHA1

    4987698425e4e43a34312cfed51de09dea333f16

  • SHA256

    5f48c241c815060c266f3ad4eaf267ecb0026af7369a91125b87c7e079ca3aa4

  • SHA512

    7f02a08c918f079ac8eae9fcf422f8eea27d0f08761a4168ee11139c675196055f583711326625e76def63211d3c28273c05e4f3a7bd2be33471ce39000b886e

Malware Config

Extracted

Family

redline

Botnet

ServAni

C2

87.251.71.195:82

Extracted

Family

vidar

Version

39.4

Botnet

706

C2

https://sergeevih43.tumblr.com

Attributes
  • profile_id

    706

Signatures

  • RedLine

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

  • RedLine Payload 4 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 2 IoCs
  • ASPack v2.12-2.42 14 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 26 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DC2AD73D29C4F13A9DA18F327625A6C7.exe
    "C:\Users\Admin\AppData\Local\Temp\DC2AD73D29C4F13A9DA18F327625A6C7.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Users\Admin\AppData\Local\Temp\7zSCC7B9194\setup_install.exe
      "C:\Users\Admin\AppData\Local\Temp\7zSCC7B9194\setup_install.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1168
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c arnatic_1.exe
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1736
        • C:\Users\Admin\AppData\Local\Temp\7zSCC7B9194\arnatic_1.exe
          arnatic_1.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:580
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 580 -s 964
            5⤵
            • Program crash
            PID:2388
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c arnatic_2.exe
        3⤵
          PID:1712
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c arnatic_3.exe
          3⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1356
          • C:\Users\Admin\AppData\Local\Temp\7zSCC7B9194\arnatic_3.exe
            arnatic_3.exe
            4⤵
            • Executes dropped EXE
            PID:568
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c arnatic_4.exe
          3⤵
          • Loads dropped DLL
          PID:788
          • C:\Users\Admin\AppData\Local\Temp\7zSCC7B9194\arnatic_4.exe
            arnatic_4.exe
            4⤵
            • Executes dropped EXE
            PID:1072
            • 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
              5⤵
                PID:1000
              • 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
                5⤵
                  PID:2240
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c arnatic_5.exe
              3⤵
              • Loads dropped DLL
              PID:1004
              • C:\Users\Admin\AppData\Local\Temp\7zSCC7B9194\arnatic_5.exe
                arnatic_5.exe
                4⤵
                • Executes dropped EXE
                • Suspicious use of AdjustPrivilegeToken
                PID:1776
                • C:\Users\Admin\AppData\Roaming\3812442.exe
                  "C:\Users\Admin\AppData\Roaming\3812442.exe"
                  5⤵
                    PID:524
                    • C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe
                      "C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe"
                      6⤵
                        PID:1980
                    • C:\Users\Admin\AppData\Roaming\5992314.exe
                      "C:\Users\Admin\AppData\Roaming\5992314.exe"
                      5⤵
                        PID:1780
                      • C:\Users\Admin\AppData\Roaming\1779423.exe
                        "C:\Users\Admin\AppData\Roaming\1779423.exe"
                        5⤵
                          PID:1648
                        • C:\Users\Admin\AppData\Roaming\7825650.exe
                          "C:\Users\Admin\AppData\Roaming\7825650.exe"
                          5⤵
                            PID:1972
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c arnatic_6.exe
                        3⤵
                        • Loads dropped DLL
                        PID:1304
                        • C:\Users\Admin\AppData\Local\Temp\7zSCC7B9194\arnatic_6.exe
                          arnatic_6.exe
                          4⤵
                          • Executes dropped EXE
                          PID:548
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c arnatic_7.exe
                        3⤵
                        • Loads dropped DLL
                        PID:1464
                  • C:\Users\Admin\AppData\Local\Temp\7zSCC7B9194\arnatic_7.exe
                    arnatic_7.exe
                    1⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • Suspicious use of SetThreadContext
                    PID:1516
                    • C:\Users\Admin\AppData\Local\Temp\7zSCC7B9194\arnatic_7.exe
                      C:\Users\Admin\AppData\Local\Temp\7zSCC7B9194\arnatic_7.exe
                      2⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      PID:1068

                  Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • memory/524-200-0x0000000000260000-0x0000000000261000-memory.dmp

                    Filesize

                    4KB

                  • memory/524-197-0x0000000000540000-0x0000000000550000-memory.dmp

                    Filesize

                    64KB

                  • memory/524-195-0x0000000000330000-0x0000000000331000-memory.dmp

                    Filesize

                    4KB

                  • memory/524-179-0x00000000000D0000-0x00000000000D1000-memory.dmp

                    Filesize

                    4KB

                  • memory/580-156-0x00000000022F0000-0x000000000238D000-memory.dmp

                    Filesize

                    628KB

                  • memory/580-192-0x0000000000400000-0x0000000000950000-memory.dmp

                    Filesize

                    5.3MB

                  • memory/1068-205-0x0000000002520000-0x0000000002521000-memory.dmp

                    Filesize

                    4KB

                  • memory/1068-150-0x0000000000400000-0x000000000041E000-memory.dmp

                    Filesize

                    120KB

                  • memory/1068-157-0x0000000000400000-0x000000000041E000-memory.dmp

                    Filesize

                    120KB

                  • memory/1168-95-0x0000000064940000-0x0000000064959000-memory.dmp

                    Filesize

                    100KB

                  • memory/1168-82-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                    Filesize

                    1.5MB

                  • memory/1168-83-0x0000000064940000-0x0000000064959000-memory.dmp

                    Filesize

                    100KB

                  • memory/1168-86-0x0000000000400000-0x000000000051E000-memory.dmp

                    Filesize

                    1.1MB

                  • memory/1168-87-0x0000000000400000-0x000000000051E000-memory.dmp

                    Filesize

                    1.1MB

                  • memory/1168-81-0x000000006B440000-0x000000006B4CF000-memory.dmp

                    Filesize

                    572KB

                  • memory/1168-84-0x000000006B280000-0x000000006B2A6000-memory.dmp

                    Filesize

                    152KB

                  • memory/1168-85-0x000000006B280000-0x000000006B2A6000-memory.dmp

                    Filesize

                    152KB

                  • memory/1168-98-0x0000000064940000-0x0000000064959000-memory.dmp

                    Filesize

                    100KB

                  • memory/1168-97-0x0000000064940000-0x0000000064959000-memory.dmp

                    Filesize

                    100KB

                  • memory/1168-106-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                    Filesize

                    1.5MB

                  • memory/1168-101-0x000000006B440000-0x000000006B4CF000-memory.dmp

                    Filesize

                    572KB

                  • memory/1516-147-0x0000000000200000-0x0000000000201000-memory.dmp

                    Filesize

                    4KB

                  • memory/1648-188-0x0000000000150000-0x0000000000151000-memory.dmp

                    Filesize

                    4KB

                  • memory/1648-214-0x0000000007080000-0x0000000007081000-memory.dmp

                    Filesize

                    4KB

                  • memory/1648-196-0x0000000000380000-0x00000000003A4000-memory.dmp

                    Filesize

                    144KB

                  • memory/1776-143-0x0000000001290000-0x0000000001291000-memory.dmp

                    Filesize

                    4KB

                  • memory/1776-145-0x0000000000350000-0x0000000000366000-memory.dmp

                    Filesize

                    88KB

                  • memory/1776-146-0x000000001AFD0000-0x000000001AFD2000-memory.dmp

                    Filesize

                    8KB

                  • memory/1780-204-0x0000000000550000-0x0000000000551000-memory.dmp

                    Filesize

                    4KB

                  • memory/1780-203-0x0000000000450000-0x0000000000491000-memory.dmp

                    Filesize

                    260KB

                  • memory/1780-199-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1780-189-0x0000000000170000-0x0000000000171000-memory.dmp

                    Filesize

                    4KB

                  • memory/1780-194-0x0000000000440000-0x0000000000441000-memory.dmp

                    Filesize

                    4KB

                  • memory/1972-193-0x00000000002C0000-0x00000000002C1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1972-202-0x0000000000700000-0x0000000000701000-memory.dmp

                    Filesize

                    4KB

                  • memory/1972-198-0x0000000004980000-0x0000000004981000-memory.dmp

                    Filesize

                    4KB

                  • memory/1972-201-0x0000000000750000-0x0000000000781000-memory.dmp

                    Filesize

                    196KB

                  • memory/1972-168-0x0000000000870000-0x0000000000871000-memory.dmp

                    Filesize

                    4KB

                  • memory/1980-208-0x0000000000E00000-0x0000000000E01000-memory.dmp

                    Filesize

                    4KB

                  • memory/1980-216-0x0000000000250000-0x0000000000251000-memory.dmp

                    Filesize

                    4KB

                  • memory/1996-60-0x00000000767B1000-0x00000000767B3000-memory.dmp

                    Filesize

                    8KB

                  • memory/2388-221-0x0000000000500000-0x0000000000501000-memory.dmp

                    Filesize

                    4KB