Analysis

  • max time kernel
    154s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-03-2024 18:38

General

  • Target

    pepsi.exe

  • Size

    168.6MB

  • MD5

    c17cab3d604bfd20b776a7c7af579162

  • SHA1

    eaec5d62422089da08bdc6bc9be8fc1dbaa60af8

  • SHA256

    bd11164bf4ddeb482b1554a441492daf22a4815c0750433df0f27c8a1f5745f8

  • SHA512

    dd9c269faee9faea1ed6df4043c1472cd9706eced55ed112cd26aa2075c87ffa3b0345e8b2a46bb3ace113fc497125123ef317a77dd844e58b7ed4a49bd95423

  • SSDEEP

    1572864:KXic4qb6IXgDaJfpEQHgelkLK4z34xGWw0TwW1T/qWhehZvmCtS3JPfyzG49FndX:UVKvWZ8tyx4u

Score
10/10

Malware Config

Signatures

  • Epsilon Stealer

    Information stealer.

  • Checks computer location settings 2 TTPs 2 IoCs

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

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

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

  • Looks up external IP address via web service 2 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\pepsi.exe
    "C:\Users\Admin\AppData\Local\Temp\pepsi.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2632
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /d /s /c "wmic CsProduct Get UUID"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1488
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic CsProduct Get UUID
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3140
    • C:\Users\Admin\AppData\Local\Temp\pepsi.exe
      "C:\Users\Admin\AppData\Local\Temp\pepsi.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\pepsi" --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1948 --field-trial-handle=1952,i,5668929538388563303,16245928396733517782,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:2
      2⤵
        PID:440
      • C:\Users\Admin\AppData\Local\Temp\pepsi.exe
        "C:\Users\Admin\AppData\Local\Temp\pepsi.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\pepsi" --mojo-platform-channel-handle=2344 --field-trial-handle=1952,i,5668929538388563303,16245928396733517782,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:8
        2⤵
          PID:4812
        • C:\Users\Admin\AppData\Local\Temp\pepsi.exe
          "C:\Users\Admin\AppData\Local\Temp\pepsi.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\pepsi" --app-path="C:\Users\Admin\AppData\Local\Temp\resources\app.asar" --no-sandbox --no-zygote --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=4 --mojo-platform-channel-handle=2532 --field-trial-handle=1952,i,5668929538388563303,16245928396733517782,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:1
          2⤵
          • Checks computer location settings
          PID:1976
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions""
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2004
          • C:\Windows\system32\reg.exe
            C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions"
            3⤵
              PID:4924
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /d /s /c "C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1192
            • C:\Windows\system32\reg.exe
              C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath
              3⤵
                PID:2156
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /d /s /c "tasklist"
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:2248
              • C:\Windows\system32\tasklist.exe
                tasklist
                3⤵
                • Enumerates processes with tasklist
                • Suspicious use of AdjustPrivilegeToken
                PID:1076
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /d /s /c "wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List"
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:2320
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List
                3⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:4356
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /d /s /c "wmic path win32_VideoController get name"
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:5052
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic path win32_VideoController get name
                3⤵
                • Detects videocard installed
                PID:4788
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /d /s /c "cmd /c chcp 65001>nul && netsh wlan show profiles"
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:4852
              • C:\Windows\system32\cmd.exe
                cmd /c chcp 65001
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:3156
                • C:\Windows\system32\chcp.com
                  chcp 65001
                  4⤵
                    PID:2072
                • C:\Windows\system32\netsh.exe
                  netsh wlan show profiles
                  3⤵
                    PID:3016
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /d /s /c "taskkill /IM chrome.exe /F"
                  2⤵
                    PID:2404
                    • C:\Windows\system32\taskkill.exe
                      taskkill /IM chrome.exe /F
                      3⤵
                      • Kills process with taskkill
                      PID:1900
                  • C:\Users\Admin\AppData\Local\Temp\pepsi.exe
                    "C:\Users\Admin\AppData\Local\Temp\pepsi.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --user-data-dir="C:\Users\Admin\AppData\Roaming\pepsi" --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=2464 --field-trial-handle=1952,i,5668929538388563303,16245928396733517782,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:8
                    2⤵
                    • Drops file in System32 directory
                    • Suspicious behavior: EnumeratesProcesses
                    PID:464

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\5dd17c26-db84-4a9c-89cd-79227d4cd660.tmp.node

                  Filesize

                  122KB

                  MD5

                  4e76795e85c00baef118328bca43e813

                  SHA1

                  0f7fda0353f845bda9ef704e53958177680de845

                  SHA256

                  888ce8244f52a016ab7c2267278914a0a23f45be01dfab4ebd8b59a98bc8d06a

                  SHA512

                  8b1ca2dd556bbbbb330e2d8dd666820371b490f8d56ea24c1c1007a0c47862535b3e14b7e7e77dace449e32d0dfae67bbf3d0994c5ddddecadb334c013dc5f65

                • C:\Users\Admin\AppData\Local\Temp\8329c08e-7bf5-49b5-9581-96f38c00541e.tmp.node

                  Filesize

                  1.6MB

                  MD5

                  bc3285978427f0121ff25a2bc45a9c04

                  SHA1

                  8e33c8673c2d55697dbaeb5eec0419bece8967a1

                  SHA256

                  0135692978c34ca3ff4ecc40f71516df66ad54bb3acf38dc144f87af15fc8744

                  SHA512

                  ac9e46a032281048b851965dd445ad3cebf04dd028234bfa9d34b6eca795cf065d9ad50d13453cf3dc057e6561868f47c4c7a5a9913a7461a21c456d2de3d943

                • C:\Users\Admin\AppData\Local\Temp\epsilon-Admin\AutoFill Data\All Autofill Data.txt

                  Filesize

                  249B

                  MD5

                  cf7e4a12f932a3fddddacc8b10e1f1b0

                  SHA1

                  db6f9bc2be5e0905086b7b7b07109ef8d67b24ee

                  SHA256

                  1b6d3f6ad849e115bf20175985bed9bcfc6ec206e288b97ac14c3a23b5d28a4b

                  SHA512

                  fab79f26c1841310cc61e2f8336ca05281a9252a34a3c240e500c8775840374edb0a42094c64aa38a29ca79e1cafa114d6f1bbe3009060d32f8c1df9f088c12c

                • C:\Users\Admin\AppData\Local\Temp\epsilon-Admin\Passwords\All Passwords.txt

                  Filesize

                  231B

                  MD5

                  dec2be4f1ec3592cea668aa279e7cc9b

                  SHA1

                  327cf8ab0c895e10674e00ea7f437784bb11d718

                  SHA256

                  753b99d2b4e8c58bfd10995d0c2c19255fe9c8f53703bb27d1b6f76f1f4e83cc

                  SHA512

                  81728e3d31b72905b3a09c79d1e307c4e8e79d436fcfe7560a8046b46ca4ae994fdfaeb1bc2328e35f418b8128f2e7239289e84350e142146df9cde86b20bb66

                • C:\Users\Admin\AppData\Roaming\Microsoft\Spelling\en-US\default.dic

                  Filesize

                  2B

                  MD5

                  f3b25701fe362ec84616a93a45ce9998

                  SHA1

                  d62636d8caec13f04e28442a0a6fa1afeb024bbb

                  SHA256

                  b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

                  SHA512

                  98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

                • C:\Users\Admin\AppData\Roaming\pepsi\Network\Network Persistent State

                  Filesize

                  300B

                  MD5

                  332616a4327c55b246fb27b8e91ef95e

                  SHA1

                  e07194c279fba10282d18bb881924ce7008d330d

                  SHA256

                  5a39723897bf25d4c7d4546c07fc521f56fd6e3586a625c54cb2208eaa1effb6

                  SHA512

                  bc6cce77516c014d1fa4ee3e6e94b6834c21d9592b18c59795018c6c99d9006b60609ceb449f987795aa36356718f3cc87a4a07dffa9c1a8817d2032ac3e0091

                • C:\Users\Admin\AppData\Roaming\pepsi\Network\Network Persistent State~RFe5916ca.TMP

                  Filesize

                  59B

                  MD5

                  2800881c775077e1c4b6e06bf4676de4

                  SHA1

                  2873631068c8b3b9495638c865915be822442c8b

                  SHA256

                  226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974

                  SHA512

                  e342407ab65cc68f1b3fd706cd0a37680a0864ffd30a6539730180ede2cdcd732cc97ae0b9ef7db12da5c0f83e429df0840dbf7596aca859a0301665e517377b

                • memory/464-132-0x0000025FDFCE0000-0x0000025FDFCE1000-memory.dmp

                  Filesize

                  4KB

                • memory/464-133-0x0000025FDFCE0000-0x0000025FDFCE1000-memory.dmp

                  Filesize

                  4KB

                • memory/464-134-0x0000025FDFCE0000-0x0000025FDFCE1000-memory.dmp

                  Filesize

                  4KB

                • memory/464-138-0x0000025FDFCE0000-0x0000025FDFCE1000-memory.dmp

                  Filesize

                  4KB

                • memory/464-139-0x0000025FDFCE0000-0x0000025FDFCE1000-memory.dmp

                  Filesize

                  4KB

                • memory/464-141-0x0000025FDFCE0000-0x0000025FDFCE1000-memory.dmp

                  Filesize

                  4KB

                • memory/464-140-0x0000025FDFCE0000-0x0000025FDFCE1000-memory.dmp

                  Filesize

                  4KB

                • memory/464-143-0x0000025FDFCE0000-0x0000025FDFCE1000-memory.dmp

                  Filesize

                  4KB

                • memory/464-142-0x0000025FDFCE0000-0x0000025FDFCE1000-memory.dmp

                  Filesize

                  4KB

                • memory/464-144-0x0000025FDFCE0000-0x0000025FDFCE1000-memory.dmp

                  Filesize

                  4KB