Resubmissions

02/08/2024, 02:50

240802-db3vrs1hpj10

02/08/2024, 02:47

240802-c9v25sweqe10

Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240730-en
  • resource tags

    arch:x64arch:x86image:win11-20240730-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    02/08/2024, 02:47

General

  • Target
    Setup.exe
  • Size 9.2MB
  • Sample240802-c9v25sweqe
  • SHA256 b16b380f60786a78e3e8760f4a65e0906f744e43b2a04eead206596727443082
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • lumma

C2
  • https://dividenntyss.shop/api

  • https://horizonvxjis.shop/api

  • https://effectivedoxzj.shop/api

  • https://parntorpkxzlp.shop/api

  • https://stimultaionsppzv.shop/api

  • https://grassytaisol.shop/api

  • https://broccoltisop.shop/api

  • https://shellfyyousdjz.shop/api

  • https://bravedreacisopm.shop/api

Signatures

  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 28 IoCs
  • Enumerates processes with tasklist 1 TTPs 6 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies registry class 64 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4572
    • C:\Users\Admin\AppData\Local\Temp\is-RNBIE.tmp\Setup.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-RNBIE.tmp\Setup.tmp" /SL5="$6013E,8764920,776192,C:\Users\Admin\AppData\Local\Temp\Setup.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2008
      • C:\Users\Admin\AppData\Local\Temp\Setup.exe
        "C:\Users\Admin\AppData\Local\Temp\Setup.exe" /VERYSILENT
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3308
        • C:\Users\Admin\AppData\Local\Temp\is-EKS2L.tmp\Setup.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-EKS2L.tmp\Setup.tmp" /SL5="$500DE,8764920,776192,C:\Users\Admin\AppData\Local\Temp\Setup.exe" /VERYSILENT
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:2892
          • C:\Windows\system32\ping.exe
            "ping" -n 6 127.0.0.1
            5⤵
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:2308
          • C:\Windows\system32\cmd.exe
            "cmd.exe" /C tasklist /FI "IMAGENAME eq wrsa.exe" /FO CSV /NH | find /I "wrsa.exe"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4980
            • C:\Windows\system32\tasklist.exe
              tasklist /FI "IMAGENAME eq wrsa.exe" /FO CSV /NH
              6⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:1608
            • C:\Windows\system32\find.exe
              find /I "wrsa.exe"
              6⤵
                PID:2948
            • C:\Windows\system32\cmd.exe
              "cmd.exe" /C tasklist /FI "IMAGENAME eq opssvc.exe" /FO CSV /NH | find /I "opssvc.exe"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:4760
              • C:\Windows\system32\tasklist.exe
                tasklist /FI "IMAGENAME eq opssvc.exe" /FO CSV /NH
                6⤵
                • Enumerates processes with tasklist
                • Suspicious use of AdjustPrivilegeToken
                PID:4640
              • C:\Windows\system32\find.exe
                find /I "opssvc.exe"
                6⤵
                  PID:3848
              • C:\Windows\system32\cmd.exe
                "cmd.exe" /C tasklist /FI "IMAGENAME eq avastui.exe" /FO CSV /NH | find /I "avastui.exe"
                5⤵
                • Suspicious use of WriteProcessMemory
                PID:4888
                • C:\Windows\system32\tasklist.exe
                  tasklist /FI "IMAGENAME eq avastui.exe" /FO CSV /NH
                  6⤵
                  • Enumerates processes with tasklist
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4772
                • C:\Windows\system32\find.exe
                  find /I "avastui.exe"
                  6⤵
                    PID:2176
                • C:\Windows\system32\cmd.exe
                  "cmd.exe" /C tasklist /FI "IMAGENAME eq avgui.exe" /FO CSV /NH | find /I "avgui.exe"
                  5⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3596
                  • C:\Windows\system32\tasklist.exe
                    tasklist /FI "IMAGENAME eq avgui.exe" /FO CSV /NH
                    6⤵
                    • Enumerates processes with tasklist
                    • Suspicious use of AdjustPrivilegeToken
                    PID:5116
                  • C:\Windows\system32\find.exe
                    find /I "avgui.exe"
                    6⤵
                      PID:1120
                  • C:\Windows\system32\cmd.exe
                    "cmd.exe" /C tasklist /FI "IMAGENAME eq nswscsvc.exe" /FO CSV /NH | find /I "nswscsvc.exe"
                    5⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2520
                    • C:\Windows\system32\tasklist.exe
                      tasklist /FI "IMAGENAME eq nswscsvc.exe" /FO CSV /NH
                      6⤵
                      • Enumerates processes with tasklist
                      • Suspicious use of AdjustPrivilegeToken
                      PID:3396
                    • C:\Windows\system32\find.exe
                      find /I "nswscsvc.exe"
                      6⤵
                        PID:4828
                    • C:\Windows\system32\cmd.exe
                      "cmd.exe" /C tasklist /FI "IMAGENAME eq sophoshealth.exe" /FO CSV /NH | find /I "sophoshealth.exe"
                      5⤵
                      • Suspicious use of WriteProcessMemory
                      PID:2272
                      • C:\Windows\system32\tasklist.exe
                        tasklist /FI "IMAGENAME eq sophoshealth.exe" /FO CSV /NH
                        6⤵
                        • Enumerates processes with tasklist
                        • Suspicious use of AdjustPrivilegeToken
                        PID:2540
                      • C:\Windows\system32\find.exe
                        find /I "sophoshealth.exe"
                        6⤵
                          PID:432
                      • C:\Users\Admin\AppData\Local\ptt\ImPackr.exe
                        "C:\Users\Admin\AppData\Local\ptt\ImPackr.exe"
                        5⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        PID:3972
                        • C:\Users\Admin\AppData\Roaming\ProtectLoad\ImPackr.exe
                          C:\Users\Admin\AppData\Roaming\ProtectLoad\ImPackr.exe
                          6⤵
                          • Executes dropped EXE
                          • Loads dropped DLL
                          • Suspicious use of SetThreadContext
                          • System Location Discovery: System Language Discovery
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious behavior: MapViewOfSection
                          • Suspicious use of WriteProcessMemory
                          PID:1208
                          • C:\Users\Admin\AppData\Roaming\ProtectLoad\FACKEMXONZQPJ\StrCmp.exe
                            C:\Users\Admin\AppData\Roaming\ProtectLoad\FACKEMXONZQPJ\StrCmp.exe
                            7⤵
                            • Executes dropped EXE
                            • System Location Discovery: System Language Discovery
                            • Modifies registry class
                            • Suspicious use of SetWindowsHookEx
                            PID:4924
                          • C:\Windows\SysWOW64\more.com
                            C:\Windows\SysWOW64\more.com
                            7⤵
                            • Suspicious use of SetThreadContext
                            • System Location Discovery: System Language Discovery
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious behavior: MapViewOfSection
                            • Suspicious use of WriteProcessMemory
                            PID:784
                            • C:\Users\Admin\AppData\Local\Temp\Hypnotism.pif
                              C:\Users\Admin\AppData\Local\Temp\Hypnotism.pif
                              8⤵
                              • Loads dropped DLL
                              • System Location Discovery: System Language Discovery
                              PID:1164
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 1164 -s 1328
                                9⤵
                                • Program crash
                                PID:3768
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 1164 -s 1328
                                9⤵
                                • Program crash
                                PID:2012
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 1164 -ip 1164
                1⤵
                  PID:2400
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1164 -ip 1164
                  1⤵
                    PID:1292

                  Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

                        Hypnotism.pif

                        • Path C:\Users\Admin\AppData\Local\Temp\Hypnotism.pif
                        • Size 29KB
                        • SHA256 a5a7183977808efbaa1ca3e55776f09bcae8f30e2aa5b0520c9cd88cd0d4997d
                        • MD5 SHA1 SHA512 SSDEEP

                        e663bc6b

                        • Path C:\Users\Admin\AppData\Local\Temp\e663bc6b
                        • Size 1.1MB
                        • SHA256 8666ccc8e0f60c8624b89c712cb820a5c4e48f0c6be8cb741279e95d21c1c426
                        • MD5 SHA1 SHA512 SSDEEP

                        _iscrypt.dll

                        • Path C:\Users\Admin\AppData\Local\Temp\is-I8BL5.tmp\_isetup\_iscrypt.dll
                        • Size 12KB
                        • SHA256 4bb34fe74f86ab389763863ee395a93d73e2d9548c224819ec9055d7c8c4b480
                        • MD5 SHA1 SHA512 SSDEEP

                        Setup.tmp

                        • Path C:\Users\Admin\AppData\Local\Temp\is-RNBIE.tmp\Setup.tmp
                        • Size 3.0MB
                        • SHA256 794e4135015d6507846a072f81168eaf297c78dbe529e4cc94ddbb475b43d694
                        • MD5 SHA1 SHA512 SSDEEP

                        IMHttpComm.dll

                        • Path C:\Users\Admin\AppData\Local\ptt\IMHttpComm.dll
                        • Size 32KB
                        • SHA256 96d6264b26decf6595ca6f0584a1b60589ec5dacdf03ddf5fbb6104a6afc9e7a
                        • MD5 SHA1 SHA512 SSDEEP

                        ImLookExU.dll

                        • Path C:\Users\Admin\AppData\Local\ptt\ImLookExU.dll
                        • Size 262KB
                        • SHA256 34ba4b2ca63bbbf0c3be82787b11284d91b6050643c78e7d64d1d25544d72813
                        • MD5 SHA1 SHA512 SSDEEP

                        ImLookU.dll

                        • Path C:\Users\Admin\AppData\Local\ptt\ImLookU.dll
                        • Size 606KB
                        • SHA256 a6766c524497144d585efa4fe384b516b563203427003508f7c8f6bffa7c928d
                        • MD5 SHA1 SHA512 SSDEEP

                        ImNtUtilU.dll

                        • Path C:\Users\Admin\AppData\Local\ptt\ImNtUtilU.dll
                        • Size 94KB
                        • SHA256 a8e1b0e676dce9556037d29fd96521ec814858404ba4cfdd0db0edbe22c87bc7
                        • MD5 SHA1 SHA512 SSDEEP

                        ImPackr.exe

                        • Path C:\Users\Admin\AppData\Local\ptt\ImPackr.exe
                        • Size 102KB
                        • SHA256 689951b03517f77b6c04bb57f604f50736dc1a86b87253b0dee73722d4520a11
                        • MD5 SHA1 SHA512 SSDEEP

                        ImUtilsU.dll

                        • Path C:\Users\Admin\AppData\Local\ptt\ImUtilsU.dll
                        • Size 1.4MB
                        • SHA256 914b1e53451b8be2c362d62514f28bdef46a133535d959b13f3f4bf3bc63df3a
                        • MD5 SHA1 SHA512 SSDEEP

                        ImWrappU.dll

                        • Path C:\Users\Admin\AppData\Local\ptt\ImWrappU.dll
                        • Size 158KB
                        • SHA256 7187903a9e4078f4d31f4b709a59d24eb6b417ea289f4f28eabce1ea2e713dce
                        • MD5 SHA1 SHA512 SSDEEP

                        Microsoft.VC80.CRT.manifest

                        • Path C:\Users\Admin\AppData\Local\ptt\Microsoft.VC80.CRT.manifest
                        • Size 1KB
                        • SHA256 17ad1a64ba1c382abf89341b40950f9b31f95015c6b0d3e25925bfebc1b53eb5
                        • MD5 SHA1 SHA512

                        Microsoft.VC80.MFC.manifest

                        • Path C:\Users\Admin\AppData\Local\ptt\Microsoft.VC80.MFC.manifest
                        • Size 2KB
                        • SHA256 4ed3ba814de7fd08b4e4c6143d144e603536c343602e1071803b86e58391be36
                        • MD5 SHA1 SHA512

                        SftTree_IX86_U_60.dll

                        • Path C:\Users\Admin\AppData\Local\ptt\SftTree_IX86_U_60.dll
                        • Size 570KB
                        • SHA256 24f2399fc83198ab8d63ee6a1ad6ffbd1eda4d38048d3e809fecd2a3e0709671
                        • MD5 SHA1 SHA512 SSDEEP

                        mfc80u.dll

                        • Path C:\Users\Admin\AppData\Local\ptt\mfc80u.dll
                        • Size 1.0MB
                        • SHA256 18be5d3c656236b7e3cd6d619d62496fe3e7f66bf2859e460f8ac3d1a6bdaa9a
                        • MD5 SHA1 SHA512 SSDEEP

                        msvcp80.dll

                        • Path C:\Users\Admin\AppData\Local\ptt\msvcp80.dll
                        • Size 536KB
                        • SHA256 2026f3c4f830dff6883b88e2647272a52a132f25eb42c0d423e36b3f65a94d08
                        • MD5 SHA1 SHA512 SSDEEP

                        msvcr80.dll

                        • Path C:\Users\Admin\AppData\Local\ptt\msvcr80.dll
                        • Size 612KB
                        • SHA256 02bdde38e4c6bd795a092d496b8d6060cdbe71e22ef4d7a204e3050c1be44fa9
                        • MD5 SHA1 SHA512 SSDEEP

                        pegmatite.mp4

                        • Path C:\Users\Admin\AppData\Local\ptt\pegmatite.mp4
                        • Size 28KB
                        • SHA256 b18318487981c68e812f3ac0adb5eb39c019d66da83e2ba15084ad8e836f9bbf
                        • MD5 SHA1 SHA512 SSDEEP

                        tanh.pdf

                        • Path C:\Users\Admin\AppData\Local\ptt\tanh.pdf
                        • Size 907KB
                        • SHA256 17edad4451044460a570aa31cc5976ac8d4b5f5a0fb73548eb811c6d1b1e01b9
                        • MD5 SHA1 SHA512 SSDEEP

                        wlessfp1.dll

                        • Path C:\Users\Admin\AppData\Local\ptt\wlessfp1.dll
                        • Size 70KB
                        • SHA256 fbd4b6011d3d1c2af22827ca548ba19669eef31173d496e75f064ef7a884431c
                        • MD5 SHA1 SHA512 SSDEEP

                        StrCmp.exe

                        • Path C:\Users\Admin\AppData\Roaming\ProtectLoad\FACKEMXONZQPJ\StrCmp.exe
                        • Size 47KB
                        • SHA256 118de01fb498e81eab4ade980a621af43b52265a9fcbae5dedc492cdf8889f35
                        • MD5 SHA1 SHA512 SSDEEP

                        memory/784-172-0x00007FFF2E7A0000-0x00007FFF2E9A9000-memory.dmp

                        memory/784-174-0x0000000073C60000-0x0000000073DDD000-memory.dmp

                        memory/1164-181-0x0000000000F70000-0x0000000000FDD000-memory.dmp

                        memory/1164-180-0x00007FFF2E7A0000-0x00007FFF2E9A9000-memory.dmp

                        memory/1164-177-0x0000000072640000-0x0000000073957000-memory.dmp

                        memory/1164-182-0x0000000000F70000-0x0000000000FDD000-memory.dmp

                        memory/1208-162-0x0000000073C60000-0x0000000073DDD000-memory.dmp

                        memory/1208-154-0x0000000000680000-0x0000000000690000-memory.dmp

                        memory/1208-159-0x0000000073C60000-0x0000000073DDD000-memory.dmp

                        memory/1208-160-0x00007FFF2E7A0000-0x00007FFF2E9A9000-memory.dmp

                        memory/1208-168-0x0000000073C60000-0x0000000073DDD000-memory.dmp

                        memory/2008-17-0x0000000000400000-0x0000000000706000-memory.dmp

                        memory/2008-8-0x0000000000400000-0x0000000000706000-memory.dmp

                        memory/2892-102-0x0000000000400000-0x0000000000706000-memory.dmp

                        memory/3308-105-0x0000000000400000-0x00000000004CB000-memory.dmp

                        memory/3308-13-0x0000000000400000-0x00000000004CB000-memory.dmp

                        memory/3308-15-0x0000000000400000-0x00000000004CB000-memory.dmp

                        memory/3972-99-0x0000000000B00000-0x0000000000B10000-memory.dmp

                        memory/3972-109-0x00007FFF2E7A0000-0x00007FFF2E9A9000-memory.dmp

                        memory/3972-108-0x0000000074970000-0x0000000074AED000-memory.dmp

                        memory/4572-2-0x0000000000401000-0x00000000004A9000-memory.dmp

                        memory/4572-0-0x0000000000400000-0x00000000004CB000-memory.dmp

                        memory/4572-20-0x0000000000400000-0x00000000004CB000-memory.dmp