Analysis
- max time kernel
150s - max time network
142s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/10/2026, 15:00
Static task
static1
Behavioral task
behavioral1
Sample
PO-1366.pdf.js
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
PO-1366.pdf.js
Resource
win11ltsc2024-20260911-en
General
- Target PO-1366.pdf.js
- Size 495KB
- Sample261009-sdkjjay16m
- SHA256 96bce03ae9a4332933f67338bca131bcad6063cefce7f858778f6070609e772f
- MD5 5e961ced8377111cbe33aa614c7d468f
- SHA1 592153131559518f20fc159e12dbf6b529160bab
- SHA512 22fcd8b59b0726c397be2a3e05a1c66acac752170b4f6d03e4fbf57a4e94920344b5a862e1b82c129fe42b2409f7dcf0a3e684c94533d05b0a69c0a20b63dd76
- SSDEEP 12288:C4/rAfKT/m0+EeuOBzH2VxNTflDHiFCu11BQIxf:C4/r/LmU6jWTfl+Bl
- TLSH T173B4BE140C49B9BB249D53194B0F26CF726966D5AF0FB8859998E78022ADD80FDF1C3F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.bomarkroyal.com
-
Port
587
-
Username
-
Password
bP@z@p6uXm%T
Extracted
-
masslogger
-
exfiltration_mode
#SMTPEnabled
-
expire_time_date
00-00-0000
-
host_password
bP@z@p6uXm%T
-
host_port
587
- host_receiver
- host_sender
-
host_server
mail.bomarkroyal.com
-
ssl_slate
False
Signatures
- Family: MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 choice.exe Key opened \REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 choice.exe Key opened \REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 choice.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Windows\CurrentVersion\Run\CacheIntegrity_BNJP = "C:\\Windows\\System32\\conhost.exe --headless -- C:\\Windows\\System32\\cmd.exe /c call \"C:\\Users\\Admin\\AppData\\Local\\Microsoft\\Windows\\Caches\\dcom_lease\\dcom_lease_NLSCHATZh.cmd\"" powershell.exe - Looks up external IP address via web service 1 TTPs 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 reallyfreegeoip.org 9 reallyfreegeoip.org 1 checkip.dyndns.org - Hide Artifacts: Hidden Files and Directories 1 TTPs 1 IoCs
pid Process 4136 cmd.exe - Command and Scripting Interpreter: JavaScript 1 TTPs
-
pid Process 4912 powershell.exe 2784 powershell.exe 300 powershell.exe 4660 powershell.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language choice.exe - Suspicious behavior: EnumeratesProcesses 24 IoCs
pid Process 4912 powershell.exe 4912 powershell.exe 2784 powershell.exe 2784 powershell.exe 2784 powershell.exe 300 powershell.exe 300 powershell.exe 300 powershell.exe 4660 powershell.exe 4660 powershell.exe 4660 powershell.exe 4660 powershell.exe 4660 powershell.exe 4660 powershell.exe 4660 powershell.exe 4660 powershell.exe 4660 powershell.exe 4660 powershell.exe 4660 powershell.exe 4660 powershell.exe 4660 powershell.exe 4660 powershell.exe 4780 choice.exe 4660 powershell.exe - Suspicious behavior: MapViewOfSection 1 TTPs 2 IoCs
pid Process 4660 powershell.exe 4660 powershell.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 4912 powershell.exe Token: SeDebugPrivilege 2784 powershell.exe Token: SeDebugPrivilege 300 powershell.exe Token: SeDebugPrivilege 4660 powershell.exe Token: SeDebugPrivilege 4780 choice.exe Token: SeIncreaseQuotaPrivilege 4660 powershell.exe Token: SeSecurityPrivilege 4660 powershell.exe Token: SeTakeOwnershipPrivilege 4660 powershell.exe Token: SeLoadDriverPrivilege 4660 powershell.exe Token: SeSystemProfilePrivilege 4660 powershell.exe Token: SeSystemtimePrivilege 4660 powershell.exe Token: SeProfSingleProcessPrivilege 4660 powershell.exe Token: SeIncBasePriorityPrivilege 4660 powershell.exe Token: SeCreatePagefilePrivilege 4660 powershell.exe Token: SeBackupPrivilege 4660 powershell.exe Token: SeRestorePrivilege 4660 powershell.exe Token: SeShutdownPrivilege 4660 powershell.exe Token: SeDebugPrivilege 4660 powershell.exe Token: SeSystemEnvironmentPrivilege 4660 powershell.exe Token: SeRemoteShutdownPrivilege 4660 powershell.exe Token: SeUndockPrivilege 4660 powershell.exe Token: SeManageVolumePrivilege 4660 powershell.exe Token: 33 4660 powershell.exe Token: 34 4660 powershell.exe Token: 35 4660 powershell.exe Token: 36 4660 powershell.exe Token: SeIncreaseQuotaPrivilege 4660 powershell.exe Token: SeSecurityPrivilege 4660 powershell.exe Token: SeTakeOwnershipPrivilege 4660 powershell.exe Token: SeLoadDriverPrivilege 4660 powershell.exe Token: SeSystemProfilePrivilege 4660 powershell.exe Token: SeSystemtimePrivilege 4660 powershell.exe Token: SeProfSingleProcessPrivilege 4660 powershell.exe Token: SeIncBasePriorityPrivilege 4660 powershell.exe Token: SeCreatePagefilePrivilege 4660 powershell.exe Token: SeBackupPrivilege 4660 powershell.exe Token: SeRestorePrivilege 4660 powershell.exe Token: SeShutdownPrivilege 4660 powershell.exe Token: SeDebugPrivilege 4660 powershell.exe Token: SeSystemEnvironmentPrivilege 4660 powershell.exe Token: SeRemoteShutdownPrivilege 4660 powershell.exe Token: SeUndockPrivilege 4660 powershell.exe Token: SeManageVolumePrivilege 4660 powershell.exe Token: 33 4660 powershell.exe Token: 34 4660 powershell.exe Token: 35 4660 powershell.exe Token: 36 4660 powershell.exe Token: SeIncreaseQuotaPrivilege 4660 powershell.exe Token: SeSecurityPrivilege 4660 powershell.exe Token: SeTakeOwnershipPrivilege 4660 powershell.exe Token: SeLoadDriverPrivilege 4660 powershell.exe Token: SeSystemProfilePrivilege 4660 powershell.exe Token: SeSystemtimePrivilege 4660 powershell.exe Token: SeProfSingleProcessPrivilege 4660 powershell.exe Token: SeIncBasePriorityPrivilege 4660 powershell.exe Token: SeCreatePagefilePrivilege 4660 powershell.exe Token: SeBackupPrivilege 4660 powershell.exe Token: SeRestorePrivilege 4660 powershell.exe Token: SeShutdownPrivilege 4660 powershell.exe Token: SeDebugPrivilege 4660 powershell.exe Token: SeSystemEnvironmentPrivilege 4660 powershell.exe Token: SeRemoteShutdownPrivilege 4660 powershell.exe Token: SeUndockPrivilege 4660 powershell.exe Token: SeManageVolumePrivilege 4660 powershell.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 5908 wrote to memory of 4912 5908 wscript.exe 89 PID 5908 wrote to memory of 4136 5908 wscript.exe 91 PID 4136 wrote to memory of 2784 4136 cmd.exe 93 PID 4136 wrote to memory of 300 4136 cmd.exe 94 PID 300 wrote to memory of 4660 300 powershell.exe 95 PID 4136 wrote to memory of 4732 4136 cmd.exe 97 PID 4660 wrote to memory of 4780 4660 powershell.exe 98 - Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 4732 attrib.exe - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 choice.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 choice.exe
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\PO-1366.pdf.js1⤵
- Suspicious use of WriteProcessMemory
PID:5908 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -command &($executioncontext.InvokeCommand.NewScriptBlock([string]$env:WCGHN))2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4912
-
-
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c call "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\90236870945525.cmd" & attrib +h +s "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\90236870945525.cmd"2⤵
- Hide Artifacts: Hidden Files and Directories
- Suspicious use of WriteProcessMemory
PID:4136 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -Command "&($executioncontext.InvokeCommand.NewScriptBlock([string]$env:DEKHZGHSK))"3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2784
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -Command "&($executioncontext.InvokeCommand.NewScriptBlock([string]$env:DEKHZGHSK))"3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:300 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -Command "&($executioncontext.InvokeCommand.NewScriptBlock([string]$env:DEKHZGHSK))"4⤵
- Adds Run key to start application
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4660 -
C:\Windows\SysWOW64\choice.exe"C:\Windows\system32\choice.exe"5⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4780
-
-
-
-
C:\Windows\system32\attrib.exeattrib +h +s "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\90236870945525.cmd"3⤵
- Views/modifies file attributes
PID:4732
-
-
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Process Injection
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Modify Registry
1Process Injection
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\90236870945525.cmd
- Size 458KB
- SHA256 1cdc2744f51a1ac0d2fc2406a3206a2e34e04e30c6c356dae2357e3f11cebdbc
- MD5 306c0563728140378c3848d12b3468d7
- SHA1 883b538b1dd912110a6a70f96c8d6395b971cea2
- SHA512 645588ac6e07644ab67d131a8f7086ad15abd538ecf3c0da13de3736c7dc9b812f24092481ffdc1eed05869271ca4f5ac2d2493fb2294f9b428ca565ea749efa
- SSDEEP 12288:I4/rAfKT/m0+EeuOBzH2VxNTflDHiFCu11BQI2:I4/r/LmU6jWTfl+BK
- TLSH T14BA4E0100D4E3DFF39DCA152825739CBB716ABDAEA03B8D56DD1DA91502EDC0BA52833
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 952B
- SHA256 c5fd6d82c388ad801b8a16d62216433d22b114b18c307ac3bee3d174cae51da7
- MD5 facb860dc497b8851684541a3c9d25b5
- SHA1 53200894cb03ad2100b8423fcbf387799ecc8910
- SHA512 a7aead2fcab58a73696e52e3a85d67c2849c08fea91a6146654000d0cbcbabfa3b15a22a944cef8af6ea77370cbaa383dc9a462f43a3dbf4113a2cd00febe928
- TLSH T1D7114433F3CC8624DC59403650CEA91136B687CB409ECE6B7B84D154A42F689DE61260
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 fa606866043197f75de4426de51670f2291a94433384efe403e0026db4429a69
- MD5 18a431e2bf1c7189baadfb9c408f62eb
- SHA1 fc8e72f7c9ebcd482cc8d2c04b8bc8f606123c2d
- SHA512 92552b76e6c27c94d721cd140e671db8bd23fbfc1085e099225c52eb8279a4ba90325ec9406f077c13a187e296745d880aec5c42e4b894b7dddf6d64aced536a
- TLSH T175218933B3DC8614CC8A403A10CEAC1036B687DB809ECFABBB84D544B42F699DE60260
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4whs35ar.arr.psm1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\handoff_dbg_4660_e59f15b.txt
- Size 121B
- SHA256 4a652da5699cb6f0b674c10aab27dab191b05c435edccb1e426c04c59406dd1f
- MD5 a9e48c956d43ccb8621275bf720a740c
- SHA1 e81aebeec3530691fca08abbc57918af15d9b60b
- SHA512 fff284d927ce8e67ac4fd2b4add7248309050a98f6be03a632ecdcc62246d31d53efc899090030e5ba68c4b217103e482b823bcfcadba3e2681ea6c7f728a549
- TLSH T1A2B012BE08A74C4FCA662F11269BB4A07760708393C6D885F3D803B07058D38C740728
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\handoff_dbg_4660_e59f15b.txt
- Size 144B
- SHA256 a79cb0f27d8d7b33602674da5efcdf8193b51434701cd89b2632e650343b704c
- MD5 c7edd6aa854f4690bbed2150a960e939
- SHA1 1e1e04582e84304d360a5c8e7e76008885f4ef42
- SHA512 dd466c849c9bd9450600e6fbdb3ca6b1c0d0665385def6d3b44c39470e1b9ed4713ca520ae6b4afd255b0b973d18433440985420d268ee4e6e936d8503757c56
- TLSH T1D2C09BFD04A64D9FC9652E11359774507650704353C69489B2D403B07058D34CB40635
- MD5 SHA1 SHA512 TLSH