General
- Target 24112025_1523_24112025_PO_2025120411.7z
- Size 4KB
- Sample251124-sshngsgn8x
- SHA256 f3edffd1b31e4ecbe7d2e039d2f81c9fbc686deee3530e1bf4402ac66a27abb5
- MD5 f27899696be60e7f2f999311352323b4
- SHA1 399b92d5410011fc2e4131f137fee13e6ffc68c1
- SHA512 dbdee3ace88bb6a8dcc1328eeead5da04f04e25a20620b678faf20348093f7708f5c460436192e581924705b43a8d2bd4e44897123623c4679644bbe71aefbe4
- SSDEEP 96:IfcwMswrzwUJaai+3a18hJGoWGzW8374VuT64CTo:McBsSJa5V8wodWS2PTo
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
Behavioral task
behavioral1
Sample
PO_2025120411.js
Resource
win10v2004-20251016-en
Behavioral task
behavioral2
Sample
PO_2025120411.js
Resource
win11-20251015-en
Malware Config
Extracted
-
ps1
-
ps1.dropper
https://ia801704.us.archive.org/5/items/optimized_msi_20251120_0120/optimized_MSI.png
-
exe.dropper
https://ia801704.us.archive.org/5/items/optimized_msi_20251120_0120/optimized_MSI.png
Extracted
-
remcos
-
7.1.0 Pro
-
RemoteHost
-
nexlunix.com:2404
-
audio_folder
MicRecords
-
audio_path
ApplicationPath
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-FHS81F
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Targets
-
- Target PO_2025120411.js
- Size 6.2MB
- SHA256 91fbbeeabc4a26a51b4ae6b1e1f89c987e1c066c6a396ab3efbcd7abf00903bb
- MD5 505ee64cb829894c6a3a774834340132
- SHA1 f89c3f17d672a9d0b79e97cddaa894ccfb2ec87b
- SHA512 ff98372f704a8a94b1c813f46ccbee443276b24f5dff4a5415f7a0bfbbbaaf1f54d029b05969aef5a47c189af35103b9abed301591b823e9b6f54f9c108d20d0
- SSDEEP 384:aM4aGjcb5Ujh8y0jG01zdcJt9TNP+mRsUqiOyoIJg/ZlEz11jLuu:Kuu
- MD5 SHA1 SHA512 SSDEEP
-
Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
-
Remcos family
-
UAC bypass
-
Detected Nirsoft tools
Free utilities often used by attackers which can steal passwords, product keys, etc.
-
NirSoft MailPassView
Password recovery tool for various email clients
-
Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Uses browser remote debugging
Can be used control the browser and steal sensitive information such as credentials and session cookies.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Accesses Microsoft Outlook accounts
-
Drops file in System32 directory
-
Suspicious use of SetThreadContext
MITRE ATT&CK Enterprise v16
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Authentication Process
1Modify Registry
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Modify Authentication Process
1Steal Web Session Cookie
1Unsecured Credentials
1Credentials In Files
1