Analysis

  • max time kernel
    121s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/02/2025, 02:03

General

  • Target

    https://f005.backblazeb2.com/file/bobbyvi/ceosnak/PO202501B.zip

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.groupscrea.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    cletus1905@

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
  • Looks up external IP address via web service 4 IoCs

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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://f005.backblazeb2.com/file/bobbyvi/ceosnak/PO202501B.zip
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2004
    • 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:4 --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=123.0.6312.123 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffab121cc40,0x7ffab121cc4c,0x7ffab121cc58
      2⤵
        PID:1752
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1816,i,18378830193523151354,13610163662790596688,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=1812 /prefetch:2
        2⤵
          PID:2700
        • 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 --no-appcompat-clear --field-trial-handle=2084,i,18378830193523151354,13610163662790596688,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=2100 /prefetch:3
          2⤵
            PID:2208
          • 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=service --no-appcompat-clear --field-trial-handle=2252,i,18378830193523151354,13610163662790596688,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=2416 /prefetch:8
            2⤵
              PID:956
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3132,i,18378830193523151354,13610163662790596688,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=3152 /prefetch:1
              2⤵
                PID:3252
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3124,i,18378830193523151354,13610163662790596688,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=3184 /prefetch:1
                2⤵
                  PID:3712
                • 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 --no-appcompat-clear --field-trial-handle=4812,i,18378830193523151354,13610163662790596688,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4828 /prefetch:8
                  2⤵
                    PID:1520
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=4568,i,18378830193523151354,13610163662790596688,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4784 /prefetch:8
                    2⤵
                      PID:3892
                  • C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
                    "C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
                    1⤵
                      PID:4616
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                      1⤵
                        PID:1124
                      • C:\Windows\System32\rundll32.exe
                        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                        1⤵
                          PID:4672
                        • C:\Users\Admin\Downloads\PO202501B\PO202501B.exe
                          "C:\Users\Admin\Downloads\PO202501B\PO202501B.exe"
                          1⤵
                            PID:4052
                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
                              2⤵
                              • Accesses Microsoft Outlook profiles
                              • System Location Discovery: System Language Discovery
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of AdjustPrivilegeToken
                              PID:5000
                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
                              2⤵
                                PID:2976
                              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
                                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
                                2⤵
                                • Accesses Microsoft Outlook profiles
                                • System Location Discovery: System Language Discovery
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                • outlook_office_path
                                • outlook_win_path
                                PID:4540

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\History

                              Filesize

                              160KB

                              MD5

                              418d098aeb7f3c0d222f6865679f4502

                              SHA1

                              31955ca5c24737ca5c4485635d6f3b99c10dee71

                              SHA256

                              4f7f9e30a56cc4b0dad431da192142009e4f9e30d991327a8296db5201a54fc5

                              SHA512

                              8d0bd09dfe8a0af28f310b8959e10c3a991599d06a2d7febdcbf7d73196440a9007c4962f68b19f750a3cffb7d05c23337697b0557c67e3ca311b2c01215b996

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                              Filesize

                              2B

                              MD5

                              d751713988987e9331980363e24189ce

                              SHA1

                              97d170e1550eee4afc0af065b78cda302a97674c

                              SHA256

                              4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                              SHA512

                              b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity

                              Filesize

                              522B

                              MD5

                              dfc3c66650c62808e6ba8b9c1dff7673

                              SHA1

                              3f4021b7ac6b96887ea0e54f022979d7c5e7f186

                              SHA256

                              1ae49773c978329169adcd450f8b1dae66b40cd427fbed0c84e0ae8e18201ebb

                              SHA512

                              b55fc1e4037f6ad15d4354b0c1a04fb41328a70ea1214064ec9ea719e0da336f74843fd367999e7d2cff79023e9de90b780db8ddda43fa4767765cfdce7baa0b

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                              Filesize

                              8KB

                              MD5

                              8ac4a3d2f4eaec12e25aa9e573bcc130

                              SHA1

                              766cc1de4ccf0bd7633cdceb4c8caa8febbc8bf0

                              SHA256

                              ca69a4c3067bde53887c42f663f3f0e6cbcb81bc00aae7a544d8e4cfd7d8f557

                              SHA512

                              56e293ddce7b02ebf083e5d0bf525856d65a0b28a53a575722294f8ccfbdccab0abc3d1878a5014811788027d5c3d321f11dc7af4815e050289f63798fa46b34

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                              Filesize

                              123KB

                              MD5

                              74790ad893dc5dabb6da0ad391dedfaf

                              SHA1

                              7d0852d9afbff8c9869fb8757d374ce44d13e6ee

                              SHA256

                              5f70d69fd1001e7cd47667282083d454cbe60b30fea07ee746c7debf043ac469

                              SHA512

                              5036c5dca6b95a016bf472aacfdfd38cdda629fa3389baaeaead3bf9d9457e723bb7ff13f113c7a475229d71772c36fa82b9a039042b4e67e488a29f0bebd6f0

                            • C:\Users\Admin\Downloads\PO202501B.zip.crdownload

                              Filesize

                              1.6MB

                              MD5

                              59119f37bec2cdea4b2777f4afe4a203

                              SHA1

                              1d073a3170c9f2425df56ca08e1a00ac2d526246

                              SHA256

                              26452bc527e96dc49c07a506f363c92ad485dc087a1d5c6ad4e5c64c1b463ef2

                              SHA512

                              7c7e634aa7f27fe091de2e6da782e5ed462ad10eefa22794f017c838674f1ad84de7ebbaf91d492cb45600fe0d8abd84d850719963ca488835ab135c80504e5f

                            • memory/5000-50-0x0000000005530000-0x0000000005AD4000-memory.dmp

                              Filesize

                              5.6MB

                            • memory/5000-49-0x0000000000400000-0x0000000000462000-memory.dmp

                              Filesize

                              392KB

                            • memory/5000-51-0x0000000004F80000-0x000000000501C000-memory.dmp

                              Filesize

                              624KB

                            • memory/5000-52-0x0000000074800000-0x0000000074FB0000-memory.dmp

                              Filesize

                              7.7MB

                            • memory/5000-53-0x000000007480E000-0x000000007480F000-memory.dmp

                              Filesize

                              4KB

                            • memory/5000-54-0x0000000006370000-0x0000000006532000-memory.dmp

                              Filesize

                              1.8MB

                            • memory/5000-55-0x00000000061F0000-0x0000000006240000-memory.dmp

                              Filesize

                              320KB

                            • memory/5000-48-0x000000007480E000-0x000000007480F000-memory.dmp

                              Filesize

                              4KB

                            • memory/5000-58-0x0000000006A70000-0x0000000006F9C000-memory.dmp

                              Filesize

                              5.2MB

                            • memory/5000-59-0x0000000074800000-0x0000000074FB0000-memory.dmp

                              Filesize

                              7.7MB

                            • memory/5000-60-0x0000000006540000-0x00000000065D2000-memory.dmp

                              Filesize

                              584KB

                            • memory/5000-61-0x0000000006350000-0x000000000635A000-memory.dmp

                              Filesize

                              40KB