General
- Target lasttry.exe
- Size 8.6MB
- Sample260621-24v8dsfz3j
- SHA256 f1ff6ec9082da333b2f430ac89e9124ccbea33057098d2a6318cb24a88567be0
- MD5 a6b08279c81b2489f0c7729dd90505b5
- SHA1 b675a7ce0eb5088f4099f9e1036eb3d3200e8493
- SHA512 8d7041c6c0ea8e1420f6f9a6d36e505ea7308fe640afd7175082ad61077ade4e38dfe72bd6ae452d18220cb6b54fecef65f41b7eb1e25435ad61f7fba251f321
- SSDEEP 24576:tIY1qbd8V0IiBV0KAp+u0uySY74oORSdQjil04Zs4xynF3egQs5vA2Bele5IK2u/:tIYshXItKA0u0uFrdONmRuswoixhST
- TLSH T163965A47FCD109E9C49AA33189B39286BB35BC491B3267D32E90B3782E727D06D76714
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
lasttry.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
lasttry.exe
Resource
win11ltsc2024-20260617-en
Malware Config
Extracted
-
remus_stealer
-
http://anglhw.xyz:4964
-
http://myrtler.biz:9549
-
http://carogra.biz:4219
Targets
-
- Target lasttry.exe
- Size 8.6MB
- SHA256 f1ff6ec9082da333b2f430ac89e9124ccbea33057098d2a6318cb24a88567be0
- MD5 a6b08279c81b2489f0c7729dd90505b5
- SHA1 b675a7ce0eb5088f4099f9e1036eb3d3200e8493
- SHA512 8d7041c6c0ea8e1420f6f9a6d36e505ea7308fe640afd7175082ad61077ade4e38dfe72bd6ae452d18220cb6b54fecef65f41b7eb1e25435ad61f7fba251f321
- SSDEEP 24576:tIY1qbd8V0IiBV0KAp+u0uySY74oORSdQjil04Zs4xynF3egQs5vA2Bele5IK2u/:tIYshXItKA0u0uFrdONmRuswoixhST
- TLSH T163965A47FCD109E9C49AA33189B39286BB35BC491B3267D32E90B3782E727D06D76714
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detects Remus stealer
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Downloads MZ/PE file
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Checks whether UAC is enabled
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Active Setup
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Active Setup
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
3