Resubmissions

21/11/2024, 15:16

241121-snwpjstdnn

20/05/2023, 01:01

230520-bdhlhahd6410

20/05/2023, 00:59

230520-bb6wbahd5210

17/05/2023, 15:12

230517-sld2qafe2510

16/05/2023, 18:13

230516-wt6ngsbb3s10

16/05/2023, 18:13

230516-wt52ysbb21

16/05/2023, 18:11

230516-wsz5babb2w10

16/05/2023, 18:10

230516-wr6wgabb2s10

16/05/2023, 18:03

230516-wm22qabh7910

Analysis

  • max time kernel
    12s
  • max time network
    301s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    20/05/2023, 01:01

General

  • Target
    a.exe
  • Size 5KB
  • Sample230520-bdhlhahd64
  • SHA256 8e9c6b72a19705e65d654814d0770a67c7c4a2e52915f6115dc740ab254ed4a9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot6225839139:AAHOVxUdRr3_xezeR4e_GlriGQEKuUFBpW0/

Extracted

Family
  • redline

Botnet
  • deren

C2
  • 77.91.68.253:19065

Attributes
  • auth_value

    04a169f1fb198bfbeca74d0e06ea2d54

Signatures

  • AgentTesla

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

  • RedLine

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

  • Downloads MZ/PE file
  • Executes dropped EXE 8 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of local email clients 2 TTPs

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

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 3 IoCs

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

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

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a.exe
    "C:\Users\Admin\AppData\Local\Temp\a.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Users\Admin\AppData\Local\Temp\a\bs1.exe
      "C:\Users\Admin\AppData\Local\Temp\a\bs1.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:2500
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c
        3⤵
          PID:3924
        • C:\Windows\System32\Wbem\wmic.exe
          wmic csproduct get uuid
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2644
        • C:\Windows\System32\Wbem\wmic.exe
          wmic desktopmonitor get "screenheight, screenwidth"
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3400
        • C:\Windows\system32\cmd.exe
          cmd /C net session
          3⤵
            PID:2444
            • C:\Windows\system32\net.exe
              net session
              4⤵
                PID:2464
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 session
                  5⤵
                    PID:1784
              • C:\Windows\system32\systeminfo.exe
                systeminfo
                3⤵
                • Gathers system information
                PID:256
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe"
              2⤵
              • Enumerates system info in registry
              • Modifies data under HKEY_USERS
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SendNotifyMessage
              • Suspicious use of WriteProcessMemory
              PID:4300
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xcc,0xd0,0xd4,0xa8,0xd8,0x7ffab62f9758,0x7ffab62f9768,0x7ffab62f9778
                3⤵
                  PID:4316
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1944 --field-trial-handle=1732,i,2314302143804573771,7779304802179937491,131072 /prefetch:8
                  3⤵
                    PID:3824
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2108 --field-trial-handle=1732,i,2314302143804573771,7779304802179937491,131072 /prefetch:8
                    3⤵
                      PID:2984
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3092 --field-trial-handle=1732,i,2314302143804573771,7779304802179937491,131072 /prefetch:1
                      3⤵
                        PID:5084
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3056 --field-trial-handle=1732,i,2314302143804573771,7779304802179937491,131072 /prefetch:1
                        3⤵
                          PID:3512
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1524 --field-trial-handle=1732,i,2314302143804573771,7779304802179937491,131072 /prefetch:2
                          3⤵
                            PID:4152
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4396 --field-trial-handle=1732,i,2314302143804573771,7779304802179937491,131072 /prefetch:1
                            3⤵
                              PID:3556
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4564 --field-trial-handle=1732,i,2314302143804573771,7779304802179937491,131072 /prefetch:8
                              3⤵
                                PID:528
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4712 --field-trial-handle=1732,i,2314302143804573771,7779304802179937491,131072 /prefetch:8
                                3⤵
                                  PID:4792
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=4860 --field-trial-handle=1732,i,2314302143804573771,7779304802179937491,131072 /prefetch:1
                                  3⤵
                                    PID:2148
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5148 --field-trial-handle=1732,i,2314302143804573771,7779304802179937491,131072 /prefetch:8
                                    3⤵
                                      PID:1128
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5248 --field-trial-handle=1732,i,2314302143804573771,7779304802179937491,131072 /prefetch:8
                                      3⤵
                                        PID:4180
                                    • C:\Users\Admin\AppData\Local\Temp\a\wealthzx.exe
                                      "C:\Users\Admin\AppData\Local\Temp\a\wealthzx.exe"
                                      2⤵
                                      • Executes dropped EXE
                                      • Suspicious use of SetThreadContext
                                      • Suspicious behavior: EnumeratesProcesses
                                      • Suspicious use of AdjustPrivilegeToken
                                      • Suspicious use of WriteProcessMemory
                                      PID:4244
                                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
                                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
                                        3⤵
                                          PID:4240
                                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
                                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
                                          3⤵
                                            PID:4816
                                        • C:\Users\Admin\AppData\Local\Temp\a\vbc.exe
                                          "C:\Users\Admin\AppData\Local\Temp\a\vbc.exe"
                                          2⤵
                                          • Executes dropped EXE
                                          PID:3800
                                        • C:\Users\Admin\AppData\Local\Temp\a\oloriii.exe
                                          "C:\Users\Admin\AppData\Local\Temp\a\oloriii.exe"
                                          2⤵
                                          • Executes dropped EXE
                                          PID:2220
                                        • C:\Users\Admin\AppData\Local\Temp\a\foto0195.exe
                                          "C:\Users\Admin\AppData\Local\Temp\a\foto0195.exe"
                                          2⤵
                                          • Executes dropped EXE
                                          • Adds Run key to start application
                                          PID:1416
                                          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x1116520.exe
                                            C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x1116520.exe
                                            3⤵
                                            • Executes dropped EXE
                                            • Adds Run key to start application
                                            PID:4252
                                            • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x9350166.exe
                                              C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x9350166.exe
                                              4⤵
                                              • Executes dropped EXE
                                              • Adds Run key to start application
                                              PID:4136
                                              • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f4172121.exe
                                                C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f4172121.exe
                                                5⤵
                                                • Executes dropped EXE
                                                PID:3464
                                      • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                                        "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                                        1⤵
                                          PID:4912

                                        Network

                                              MITRE ATT&CK Enterprise v6

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              persisted_first_party_sets.json

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json
                                              • Size 2B
                                              • SHA256 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
                                              • MD5 SHA1 SHA512

                                              x1116520.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x1116520.exe
                                              • Size 751KB
                                              • SHA256 ce94607b93e01ea6d17b6ffa4968e95ee364a3ab1661cfef5d75e577555df583
                                              • MD5 SHA1 SHA512 SSDEEP

                                              x1116520.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x1116520.exe
                                              • Size 751KB
                                              • SHA256 ce94607b93e01ea6d17b6ffa4968e95ee364a3ab1661cfef5d75e577555df583
                                              • MD5 SHA1 SHA512 SSDEEP

                                              x9350166.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x9350166.exe
                                              • Size 306KB
                                              • SHA256 3b432d495176de6594efb49b3a41b987501649f084a22c123a66aada0b825a57
                                              • MD5 SHA1 SHA512 SSDEEP

                                              x9350166.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x9350166.exe
                                              • Size 306KB
                                              • SHA256 3b432d495176de6594efb49b3a41b987501649f084a22c123a66aada0b825a57
                                              • MD5 SHA1 SHA512 SSDEEP

                                              f4172121.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f4172121.exe
                                              • Size 145KB
                                              • SHA256 37c7ecbfbf1fc120e13466b4adda980561b34ae2a7d2b087523bc8b611ace0ea
                                              • MD5 SHA1 SHA512 SSDEEP

                                              f4172121.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f4172121.exe
                                              • Size 145KB
                                              • SHA256 37c7ecbfbf1fc120e13466b4adda980561b34ae2a7d2b087523bc8b611ace0ea
                                              • MD5 SHA1 SHA512 SSDEEP

                                              bs1.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\a\bs1.exe
                                              • Size 4.6MB
                                              • SHA256 d934a1bde6bb75936d223426e64497e92526b8bc75a4f8a59a87f1d25ed1a0d2
                                              • MD5 SHA1 SHA512 SSDEEP

                                              foto0195.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\a\foto0195.exe
                                              • Size 1.0MB
                                              • SHA256 137f040c851e03f92823a1095f5aa284f7208caa5f3ae8ad678988f7626b6882
                                              • MD5 SHA1 SHA512 SSDEEP

                                              foto0195.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\a\foto0195.exe
                                              • Size 1.0MB
                                              • SHA256 137f040c851e03f92823a1095f5aa284f7208caa5f3ae8ad678988f7626b6882
                                              • MD5 SHA1 SHA512 SSDEEP

                                              oloriii.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\a\oloriii.exe
                                              • Size 872KB
                                              • SHA256 ccb7f3c0b4ca7addbcb2025f46fb9ea42c1eca54bd19a728ca81046cacf3fe0d
                                              • MD5 SHA1 SHA512 SSDEEP

                                              oloriii.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\a\oloriii.exe
                                              • Size 872KB
                                              • SHA256 ccb7f3c0b4ca7addbcb2025f46fb9ea42c1eca54bd19a728ca81046cacf3fe0d
                                              • MD5 SHA1 SHA512 SSDEEP

                                              vbc.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\a\vbc.exe
                                              • Size 908KB
                                              • SHA256 c1548f41733077975fff5009b326af53e7b3d52d48bb44002ca88fc69f710a18
                                              • MD5 SHA1 SHA512 SSDEEP

                                              vbc.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\a\vbc.exe
                                              • Size 908KB
                                              • SHA256 c1548f41733077975fff5009b326af53e7b3d52d48bb44002ca88fc69f710a18
                                              • MD5 SHA1 SHA512 SSDEEP

                                              wealthzx.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\a\wealthzx.exe
                                              • Size 238KB
                                              • SHA256 bd176aba121ee1111813afe94594ee38b7773dc660833775dd289060db7fe6af
                                              • MD5 SHA1 SHA512 SSDEEP

                                              wealthzx.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\a\wealthzx.exe
                                              • Size 238KB
                                              • SHA256 bd176aba121ee1111813afe94594ee38b7773dc660833775dd289060db7fe6af
                                              • MD5 SHA1 SHA512 SSDEEP

                                              memory/1700-116-0x0000000000380000-0x0000000000388000-memory.dmp

                                              memory/1700-209-0x000000001AF20000-0x000000001AF30000-memory.dmp

                                              memory/1700-117-0x000000001AF20000-0x000000001AF30000-memory.dmp

                                              memory/2220-179-0x0000000005270000-0x0000000005280000-memory.dmp

                                              memory/2220-178-0x00000000009A0000-0x0000000000A80000-memory.dmp

                                              memory/2500-122-0x00007FF6BBFE0000-0x00007FF6BCE37000-memory.dmp

                                              memory/3464-231-0x0000000000820000-0x000000000084A000-memory.dmp

                                              memory/3800-165-0x0000000005510000-0x000000000551A000-memory.dmp

                                              memory/3800-170-0x00000000057A0000-0x00000000057B0000-memory.dmp

                                              memory/3800-164-0x0000000005630000-0x0000000005640000-memory.dmp

                                              memory/3800-159-0x00000000053B0000-0x0000000005442000-memory.dmp

                                              memory/3800-157-0x0000000000A90000-0x0000000000B76000-memory.dmp

                                              memory/4244-140-0x000001C000800000-0x000001C00080A000-memory.dmp

                                              memory/4244-139-0x000001C0006D0000-0x000001C0006FC000-memory.dmp

                                              memory/4244-136-0x000001C066260000-0x000001C06629C000-memory.dmp

                                              memory/4816-163-0x00000000055A0000-0x00000000055B0000-memory.dmp

                                              memory/4816-162-0x0000000005670000-0x00000000056D6000-memory.dmp

                                              memory/4816-158-0x0000000005B70000-0x000000000606E000-memory.dmp

                                              memory/4816-141-0x0000000000400000-0x0000000000430000-memory.dmp