Analysis

  • max time kernel
    153s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 20:17

General

  • Target

    4d98abaaf959ce55e3efbc132179d4e8320d614998729c66a8dc65f58b0d3cb2.exe

  • Size

    37KB

  • MD5

    1f01c98b529a943a1aacc77b61e9bf3b

  • SHA1

    9777358a159c27826960a2745396a29532742900

  • SHA256

    4d98abaaf959ce55e3efbc132179d4e8320d614998729c66a8dc65f58b0d3cb2

  • SHA512

    49e3dcdca73917a709a486668d08e71b2fee60514c295df033b3cd0d43dc5528c62669e0a42075aca95c86607672ce6aac8dbbbdb4d2f85d4d62b90f8b7bebcc

  • SSDEEP

    768:/qLPcTO5RroZJ76739sBWsNscWlM3dN9N3ZjfPPdn3:/qbSe+Zk78NR3dN5nPt

Score
7/10

Malware Config

Signatures

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

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

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3240
      • C:\Users\Admin\AppData\Local\Temp\4d98abaaf959ce55e3efbc132179d4e8320d614998729c66a8dc65f58b0d3cb2.exe
        "C:\Users\Admin\AppData\Local\Temp\4d98abaaf959ce55e3efbc132179d4e8320d614998729c66a8dc65f58b0d3cb2.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1140
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4476
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:628
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aFDA.bat
            3⤵
              PID:5100
            • C:\Windows\Logo1_.exe
              C:\Windows\Logo1_.exe
              3⤵
              • Drops startup file
              • Executes dropped EXE
              • Enumerates connected drives
              • Drops file in Program Files directory
              • Drops file in Windows directory
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:2172
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4800
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2536
                • C:\Windows\SysWOW64\net.exe
                  net stop "Kingsoft AntiVirus Service"
                  4⤵
                  • Suspicious use of WriteProcessMemory
                  PID:4072
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                    5⤵
                      PID:1744
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1344 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
              1⤵
                PID:3532

              Network

              MITRE ATT&CK Matrix ATT&CK v13

              Credential Access

              Unsecured Credentials

              1
              T1552

              Credentials In Files

              1
              T1552.001

              Discovery

              Query Registry

              1
              T1012

              Peripheral Device Discovery

              1
              T1120

              System Information Discovery

              1
              T1082

              Collection

              Data from Local System

              1
              T1005

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Program Files\7-Zip\7z.exe
                Filesize

                577KB

                MD5

                7a0fb448ae48d218747692677e9f2358

                SHA1

                0dd7c64ac679b53f6ea4dff785171f0b974f8b05

                SHA256

                9a27db75ae8ab54d79997b07762367621e37b19d692c7418333f4a01f79b4632

                SHA512

                4b230e989b796949dddc50eb05fb42fdea382df53dd1b928baf320f5c6cc73c926848be38cea8aca943c8bda8dc2150b5976f6da2fedcdec5609c0b5cb499485

              • C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
                Filesize

                488KB

                MD5

                5edf853f75f2fe46d563279278313cfd

                SHA1

                5ff4a328e4b6c6e0cf167d571992696d51f64bcf

                SHA256

                98ef7492272a218a50165d981a4a1395b9805072bcf197339e5f920b38c60962

                SHA512

                dfac350926ee9c01e4fe36b03e7d969c8426bc8e1be72256098f66812052855677873e1c76d15a79083e7072178d3234c7db0d0aeab3e7346c21a0f61482db24

              • C:\Users\Admin\AppData\Local\Temp\$$aFDA.bat
                Filesize

                721B

                MD5

                32d90398656872e0090fcf5a0c5005e3

                SHA1

                b112fb1e70281a00f942ee1320449d7051739995

                SHA256

                04ab0ca57706f2ffcfd707d190ba131bff777ac715a4ddd1b46adef3a3c8f0cf

                SHA512

                ec67b02d32b77b6020d2a8ed5af474dc81e71507da2e74d76250cb7445e7ec399df44646a48e7f8626568ebe17716e23eeac4cde34c71cd6faff559518fdbb9a

              • C:\Users\Admin\AppData\Local\Temp\4d98abaaf959ce55e3efbc132179d4e8320d614998729c66a8dc65f58b0d3cb2.exe.exe
                Filesize

                4KB

                MD5

                99b96f7f497e9e216da4b7c9979810e5

                SHA1

                2c424f82747581db2b35673eb22ba321d573944b

                SHA256

                7c3300179b3d9ab57042a5f026a69fac3b0e2e783e94853ff109a29d2d3f541b

                SHA512

                90a0b888f474fa5505f39ca7575635a7ea839e4e23cf9d573c99d7b3b226036fb0b82e17900012aed9fe1c8b4985488e22df0421ad66dbff9d4fcf4be0455212

              • C:\Windows\Logo1_.exe
                Filesize

                33KB

                MD5

                3659e75ad8a2bdeef5f1d74aae41c2af

                SHA1

                95b2fa7bc2afbc1f412fc4285dbb6a15cc658a8a

                SHA256

                dbb4fdb10597cfb189203f72e75a2f2769a6960ed1acc1baa901742a344ae52d

                SHA512

                f19bbad48af80437f083d21cf89839bee9d30d50162df60a0d7c8205b646739332e55371f5d6c005f69681e41f00df936942c06f94f1a38c25084e438cac61e2

              • F:\$RECYCLE.BIN\S-1-5-21-3808065738-1666277613-1125846146-1000\_desktop.ini
                Filesize

                9B

                MD5

                e7957b9f3d9556c996418169821a7993

                SHA1

                b7028de0f91d2e50a8d5f6d23613331a2784a142

                SHA256

                71a21a13d7822776d52d9a6146651dc9155db9f0bfbd978acf43d12dea2a8539

                SHA512

                72bc8552047095449fa4c3c21300183acfc7b33e6ab69c11435542e2862cb9e896bbfdedaeb97ec6edac8ed68220507a302d1ed2217624c97f6e9a83c0d3a285

              • memory/1140-1-0x0000000000400000-0x000000000043F000-memory.dmp
                Filesize

                252KB

              • memory/1140-12-0x0000000000400000-0x000000000043F000-memory.dmp
                Filesize

                252KB

              • memory/1140-0-0x0000000000400000-0x000000000043F000-memory.dmp
                Filesize

                252KB

              • memory/2172-93-0x0000000000400000-0x000000000043F000-memory.dmp
                Filesize

                252KB

              • memory/2172-18-0x0000000000400000-0x000000000043F000-memory.dmp
                Filesize

                252KB

              • memory/2172-511-0x0000000000400000-0x000000000043F000-memory.dmp
                Filesize

                252KB

              • memory/2172-1003-0x0000000000400000-0x000000000043F000-memory.dmp
                Filesize

                252KB

              • memory/2172-2495-0x0000000000400000-0x000000000043F000-memory.dmp
                Filesize

                252KB

              • memory/2172-3082-0x0000000000400000-0x000000000043F000-memory.dmp
                Filesize

                252KB

              • memory/2172-5188-0x0000000000400000-0x000000000043F000-memory.dmp
                Filesize

                252KB

              • memory/2172-5585-0x0000000000400000-0x000000000043F000-memory.dmp
                Filesize

                252KB

              • memory/2172-10-0x0000000000400000-0x000000000043F000-memory.dmp
                Filesize

                252KB

              • memory/2172-8160-0x0000000000400000-0x000000000043F000-memory.dmp
                Filesize

                252KB

              • memory/2172-8822-0x0000000000400000-0x000000000043F000-memory.dmp
                Filesize

                252KB