Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/03/2024, 23:20

General

  • Target
    da16ba068bb93502c3a3e524d4cfd041.exe
  • Size 876KB
  • Sample240320-3be65sdg64
  • SHA256 501e91b9bac974282cf4fb0907c1b9c73f272cb1dd90554ecdaf02940bc6647a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • Build2_Mastif

C2
  • 95.181.157.69:8552

Signatures

  • RedLine

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

  • RedLine payload 1 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Obfuscated with Agile.Net obfuscator 2 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • 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
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\da16ba068bb93502c3a3e524d4cfd041.exe
    "C:\Users\Admin\AppData\Local\Temp\da16ba068bb93502c3a3e524d4cfd041.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3736
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Install.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Install.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3596
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7zS4A38.tmp\Install.cmd" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1088
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://iplogger.org/1XQju7
          4⤵
          • Enumerates system info in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of WriteProcessMemory
          PID:1964
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffcbf5946f8,0x7ffcbf594708,0x7ffcbf594718
            5⤵
              PID:2868
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2172,17853721114370517957,10436836772973049925,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2184 /prefetch:2
              5⤵
                PID:2696
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2172,17853721114370517957,10436836772973049925,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2236 /prefetch:3
                5⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:2456
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2172,17853721114370517957,10436836772973049925,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2820 /prefetch:8
                5⤵
                  PID:4452
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,17853721114370517957,10436836772973049925,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3328 /prefetch:1
                  5⤵
                    PID:5020
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,17853721114370517957,10436836772973049925,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3348 /prefetch:1
                    5⤵
                      PID:3472
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2172,17853721114370517957,10436836772973049925,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5164 /prefetch:8
                      5⤵
                        PID:5008
                      • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2172,17853721114370517957,10436836772973049925,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5164 /prefetch:8
                        5⤵
                          PID:4920
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,17853721114370517957,10436836772973049925,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=180 /prefetch:1
                          5⤵
                            PID:1812
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,17853721114370517957,10436836772973049925,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5276 /prefetch:1
                            5⤵
                              PID:1268
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,17853721114370517957,10436836772973049925,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5700 /prefetch:1
                              5⤵
                                PID:5080
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,17853721114370517957,10436836772973049925,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5648 /prefetch:1
                                5⤵
                                  PID:2344
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2172,17853721114370517957,10436836772973049925,131072 --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 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=3076 /prefetch:2
                                  5⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:3700
                          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RUNTIM~1.EXE
                            C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RUNTIM~1.EXE
                            2⤵
                            • Executes dropped EXE
                            • Suspicious use of SetThreadContext
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious use of AdjustPrivilegeToken
                            PID:2220
                            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RUNTIM~1.EXE
                              "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RUNTIM~1.EXE"
                              3⤵
                              • Executes dropped EXE
                              PID:3716
                            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RUNTIM~1.EXE
                              "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RUNTIM~1.EXE"
                              3⤵
                              • Executes dropped EXE
                              • Suspicious use of AdjustPrivilegeToken
                              PID:2124
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:5004
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:1236

                            Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  RUNTIM~1.EXE.log

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RUNTIM~1.EXE.log
                                  • Size 1KB
                                  • SHA256 c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553
                                  • MD5 SHA1 SHA512

                                  settings.dat

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                  • Size 152B
                                  • SHA256 32e343d2794af8bc6f2f7c905b5df11d53db4ad8922b92ad5e7cc9c856509d93
                                  • MD5 SHA1 SHA512

                                  Network Persistent State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
                                  • Size 180B
                                  • SHA256 f90fcadf34fbec9cabd9bcfdea0a63a1938aef5ea4c1f7b313e77f5d3f5bbdca
                                  • MD5 SHA1 SHA512

                                  Network Persistent State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
                                  • Size 111B
                                  • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                                  • MD5 SHA1 SHA512

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                  • Size 5KB
                                  • SHA256 14125c64dd3eac1c39e621e21be4aebcd31e92122d068c7fa56903a08c9c6421
                                  • MD5 SHA1 SHA512 SSDEEP

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                  • Size 5KB
                                  • SHA256 ad525a248d9342988278c65f5a0ae2f54af528f3b351c09a9ca5b68a7b0ae71b
                                  • MD5 SHA1 SHA512 SSDEEP

                                  CURRENT

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                                  • Size 16B
                                  • SHA256 0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
                                  • MD5 SHA1 SHA512

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  • Size 5KB
                                  • SHA256 0a3bf7abcd3dfa8202ad58ba2934d13131f110813ab063a5c1e34996abb1d992
                                  • MD5 SHA1 SHA512 SSDEEP

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  • Size 4KB
                                  • SHA256 245a90deda95f368be235ad1df483973a40dff24bbaeff0047cdc2a2e4dbb424
                                  • MD5 SHA1 SHA512 SSDEEP

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  • Size 4KB
                                  • SHA256 9bc92893e7330764519afd71d001af3ba48711898fc0f043d20cf09e7a2f4033
                                  • MD5 SHA1 SHA512 SSDEEP

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  • Size 4KB
                                  • SHA256 5895c2b12047d8be0bd191267df9416e1bc38c1941dc192d21d65b29086f13f0
                                  • MD5 SHA1 SHA512 SSDEEP

                                  Install.cmd

                                  • Path C:\Users\Admin\AppData\Local\Temp\7zS4A38.tmp\Install.cmd
                                  • Size 51B
                                  • SHA256 6a77796213adbc0eb764c070a3fdfcb5bfa3ad9b6215c1be43f09bfd32014782
                                  • MD5 SHA1 SHA512

                                  Install.exe

                                  • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Install.exe
                                  • Size 117KB
                                  • SHA256 4e9a1202844e30f1d62d837cdb440764c851740ab8ee2bd4a8a31475bd449eea
                                  • MD5 SHA1 SHA512 SSDEEP

                                  RUNTIM~1.EXE

                                  • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RUNTIM~1.EXE
                                  • Size 1.0MB
                                  • SHA256 bf89a45619528967430c483c01da54306e4f1b200a8c062697218fdd60bac93f
                                  • MD5 SHA1 SHA512 SSDEEP

                                  memory/2124-122-0x0000000005130000-0x0000000005142000-memory.dmp

                                  memory/2124-170-0x00000000053D0000-0x00000000053E0000-memory.dmp

                                  memory/2124-142-0x0000000074760000-0x0000000074F10000-memory.dmp

                                  memory/2124-126-0x00000000054F0000-0x00000000055FA000-memory.dmp

                                  memory/2124-125-0x0000000005210000-0x000000000525C000-memory.dmp

                                  memory/2124-124-0x00000000053D0000-0x00000000053E0000-memory.dmp

                                  memory/2124-123-0x00000000051D0000-0x000000000520C000-memory.dmp

                                  memory/2124-120-0x0000000074760000-0x0000000074F10000-memory.dmp

                                  memory/2124-115-0x0000000000400000-0x000000000041E000-memory.dmp

                                  memory/2124-121-0x0000000005720000-0x0000000005D38000-memory.dmp

                                  memory/2220-25-0x0000000005760000-0x00000000057F2000-memory.dmp

                                  memory/2220-119-0x0000000074760000-0x0000000074F10000-memory.dmp

                                  memory/2220-24-0x0000000005D10000-0x00000000062B4000-memory.dmp

                                  memory/2220-113-0x0000000006E30000-0x0000000006E4E000-memory.dmp

                                  memory/2220-112-0x00000000084A0000-0x000000000852A000-memory.dmp

                                  memory/2220-64-0x0000000008440000-0x0000000008458000-memory.dmp

                                  memory/2220-99-0x0000000074760000-0x0000000074F10000-memory.dmp

                                  memory/2220-37-0x00000000058F0000-0x0000000005900000-memory.dmp

                                  memory/2220-22-0x00000000056C0000-0x000000000575C000-memory.dmp

                                  memory/2220-38-0x0000000005690000-0x000000000569A000-memory.dmp

                                  memory/2220-23-0x0000000074760000-0x0000000074F10000-memory.dmp

                                  memory/2220-21-0x0000000000B90000-0x0000000000C9A000-memory.dmp

                                  memory/2220-39-0x0000000005960000-0x00000000059B6000-memory.dmp