Analysis

  • max time kernel
    141s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2024 18:09

General

  • Target

    142a2665fecb3dba09c1e4aa85b8c0d7.exe

  • Size

    920KB

  • MD5

    142a2665fecb3dba09c1e4aa85b8c0d7

  • SHA1

    d7e8bc456caa0f7e6e9af5229e86b409253d5c06

  • SHA256

    5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618

  • SHA512

    0d99edc929b6864b3c1c7c0f37586bc91e53e5676ae6fd9fd5bd2f303296e0781f771e495fc9363e575d5f79f0d0b4be194a0c1d02844a70778c57d3ee65775d

  • SSDEEP

    24576:FvUxOo74WAZ6QsoZIFhWZHNd8JE9wvUyX6:foUWAMToZCsHNdGYk+

Malware Config

Extracted

Family

redline

Botnet

L0GZ

C2

93.185.156.125:1912

Extracted

Family

strrat

C2

93.185.156.124:1912

127.0.0.1:1912

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

Signatures

  • RedLine

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

  • RedLine payload 2 IoCs
  • STRRAT

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

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

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 26 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\142a2665fecb3dba09c1e4aa85b8c0d7.exe
    "C:\Users\Admin\AppData\Local\Temp\142a2665fecb3dba09c1e4aa85b8c0d7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3176
    • C:\Users\Admin\AppData\Local\Temp\142a2665fecb3dba09c1e4aa85b8c0d7.exe
      "C:\Users\Admin\AppData\Local\Temp\142a2665fecb3dba09c1e4aa85b8c0d7.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4172
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c start "" "C:\Users\Admin\AppData\Local\Temp\A.jar"
        3⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:1980
        • 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\A.jar"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2484
          • C:\Program Files\Java\jre-1.8\bin\java.exe
            "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\A.jar"
            5⤵
            • Drops startup file
            • Loads dropped DLL
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:1876
            • C:\Windows\SYSTEM32\cmd.exe
              cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\A.jar"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:5024
              • C:\Windows\system32\schtasks.exe
                schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\A.jar"
                7⤵
                • Scheduled Task/Job: Scheduled Task
                PID:2668
            • 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\A.jar"
              6⤵
              • Loads dropped DLL
              PID:4128
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c start "" "C:\Users\Admin\AppData\Local\Temp\build.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2732
        • C:\Users\Admin\AppData\Local\Temp\build.exe
          "C:\Users\Admin\AppData\Local\Temp\build.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3332

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

    Filesize

    92KB

    MD5

    105a14c6fce083e80f49b30db88ec915

    SHA1

    46187697a87562210e785917ce6ca16aeb4912b3

    SHA256

    7e5adae008afee158168b1943fcc41157c7de63ab4792cc5eba8d1830edd6d65

    SHA512

    2322eeeb100b644d53641ec3c1b0588579565636a2ea934924931f6f77b156b6d4e5925a2f36b0520e1f568d771860af53e9f3c39bb5238f7e7520389692c963

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

    Filesize

    300KB

    MD5

    c6e5f6c13c19e4f366c2f5c989965833

    SHA1

    5ccf4135651e28b54b7865ecc81a6924ce795371

    SHA256

    db08c075bbe23490deb3f53b954a4751a562e9548c839ce170ff5ea76d059d5a

    SHA512

    ca3cb032164bcc8d561113a409118fbae7da77ac8f29e7f663ac27837338525a82c0d8b482003e4ad76be9c052ccffa79a36249f371d05f1cd32cf29241050fb

  • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna5861315206154479955.dll

    Filesize

    241KB

    MD5

    e02979ecd43bcc9061eb2b494ab5af50

    SHA1

    3122ac0e751660f646c73b10c4f79685aa65c545

    SHA256

    a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

    SHA512

    1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2392887640-1187051047-2909758433-1000\83aa4cc77f591dfc2374580bbd95f6ba_c186ecc3-67e4-4d2b-8682-b6c322da87aa

    Filesize

    45B

    MD5

    c8366ae350e7019aefc9d1e6e6a498c6

    SHA1

    5731d8a3e6568a5f2dfbbc87e3db9637df280b61

    SHA256

    11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

    SHA512

    33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

  • 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/2484-141-0x0000018DC0D60000-0x0000018DC0D61000-memory.dmp

    Filesize

    4KB

  • memory/2484-51-0x0000018DC0D60000-0x0000018DC0D61000-memory.dmp

    Filesize

    4KB

  • memory/2484-135-0x0000018DC0D60000-0x0000018DC0D61000-memory.dmp

    Filesize

    4KB

  • memory/2484-127-0x0000018DC0D60000-0x0000018DC0D61000-memory.dmp

    Filesize

    4KB

  • memory/2484-124-0x0000018DC0D60000-0x0000018DC0D61000-memory.dmp

    Filesize

    4KB

  • memory/2484-120-0x0000018DC0D60000-0x0000018DC0D61000-memory.dmp

    Filesize

    4KB

  • memory/2484-117-0x0000018DC0D60000-0x0000018DC0D61000-memory.dmp

    Filesize

    4KB

  • memory/2484-114-0x0000018DC0D60000-0x0000018DC0D61000-memory.dmp

    Filesize

    4KB

  • memory/2484-113-0x0000018DC0D60000-0x0000018DC0D61000-memory.dmp

    Filesize

    4KB

  • memory/2484-110-0x0000018DC0D60000-0x0000018DC0D61000-memory.dmp

    Filesize

    4KB

  • memory/2484-102-0x0000018DC0D60000-0x0000018DC0D61000-memory.dmp

    Filesize

    4KB

  • memory/2484-94-0x0000018DC0D60000-0x0000018DC0D61000-memory.dmp

    Filesize

    4KB

  • memory/2484-80-0x0000018DC0D60000-0x0000018DC0D61000-memory.dmp

    Filesize

    4KB

  • memory/2484-70-0x0000018DC0D60000-0x0000018DC0D61000-memory.dmp

    Filesize

    4KB

  • memory/2484-68-0x0000018DC0D60000-0x0000018DC0D61000-memory.dmp

    Filesize

    4KB

  • memory/3176-0-0x00000000745AE000-0x00000000745AF000-memory.dmp

    Filesize

    4KB

  • memory/3176-21-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/3176-1-0x00000000009A0000-0x0000000000A8A000-memory.dmp

    Filesize

    936KB

  • memory/3176-2-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/3176-3-0x0000000005B20000-0x00000000060C4000-memory.dmp

    Filesize

    5.6MB

  • memory/3176-4-0x0000000005640000-0x00000000056D2000-memory.dmp

    Filesize

    584KB

  • memory/3176-8-0x00000000097D0000-0x000000000987C000-memory.dmp

    Filesize

    688KB

  • memory/3176-5-0x0000000005830000-0x000000000584E000-memory.dmp

    Filesize

    120KB

  • memory/3176-6-0x00000000745AE000-0x00000000745AF000-memory.dmp

    Filesize

    4KB

  • memory/3176-7-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/3176-9-0x000000000C920000-0x000000000C9BC000-memory.dmp

    Filesize

    624KB

  • memory/3332-129-0x00000000745AE000-0x00000000745AF000-memory.dmp

    Filesize

    4KB

  • memory/3332-27-0x0000000005ED0000-0x00000000064E8000-memory.dmp

    Filesize

    6.1MB

  • memory/3332-31-0x0000000005100000-0x000000000514C000-memory.dmp

    Filesize

    304KB

  • memory/3332-30-0x00000000050C0000-0x00000000050FC000-memory.dmp

    Filesize

    240KB

  • memory/3332-138-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/3332-29-0x0000000005020000-0x0000000005032000-memory.dmp

    Filesize

    72KB

  • memory/3332-144-0x0000000005A40000-0x0000000005AA6000-memory.dmp

    Filesize

    408KB

  • memory/3332-163-0x0000000006B20000-0x0000000006CE2000-memory.dmp

    Filesize

    1.8MB

  • memory/3332-164-0x0000000007220000-0x000000000774C000-memory.dmp

    Filesize

    5.2MB

  • memory/3332-165-0x0000000006AD0000-0x0000000006B20000-memory.dmp

    Filesize

    320KB

  • memory/3332-23-0x0000000000480000-0x00000000004D2000-memory.dmp

    Filesize

    328KB

  • memory/3332-25-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/3332-24-0x0000000004DB0000-0x0000000004DBA000-memory.dmp

    Filesize

    40KB

  • memory/3332-22-0x00000000745AE000-0x00000000745AF000-memory.dmp

    Filesize

    4KB

  • memory/3332-28-0x0000000005190000-0x000000000529A000-memory.dmp

    Filesize

    1.0MB

  • memory/4172-10-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/4172-14-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB