General
- Target NULLSUB.zip
- Size 1.2MB
- Sample261107-pmfedsc13q
- SHA256 2a705d55e06d535a1d2e333bfdd7b84e278122d4752de14c324d667c67e6ce50
- MD5 1f9f9b30a14d798c649d2085522e4346
- SHA1 5c6f307768639df597d8612ef8b49fc125b61384
- SHA512 0a256ee5dcbf4d9248621bf2f1940f1ff2609d776c7c48295ec7e2fe8f95f57fd39b35437b8c220cefffc1e5b8d3817efeb6252d690efdc71b57c48b1bcd638b
- SSDEEP 24576:PDlv3W3G2ki+lNzK/tBS84AW1pYk9bfbCpUz9kbswLZe4Btx2:RPW+zK/tV4h1pJ97bCmcXzI
- TLSH T1EF4533498CD5FDCB29A033A7C90A199AF39D4ADAFB14D0D60E2615B746CF2F1E09364C
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
NULLSUB.exe
Resource
win10v2004-20260911-en
17 signatures
150 seconds
Behavioral task
behavioral2
Sample
NULLSUB.exe
Resource
win11ltsc2024-20260911-en
16 signatures
150 seconds
Malware Config
Targets
-
- Target NULLSUB.exe
- Size 1.6MB
- SHA256 880627b8212d9125e6ef18b1f1ea7ac91507c0f49eecad2ff301a666a4d56d51
- MD5 2661f0e3c12e7994e62b9145f05980c7
- SHA1 ba4a988f8e76164cedc649585ed5d1088f1970d4
- SHA512 357400f57472bd9fc80828cc99b502a508c823ab864c7b850c40e0fcba5abf0259ddb353253580a046dfac3b14f7b13a0498f04a303e305c616e61670d77ea53
- SSDEEP 24576:5ZDbBW6TgcDu82VMcxdecBZgnvfYCNByNgjDThfC9Q+iYQA:5ZDb/ZkitEgnfjxb+9
- TLSH T15F8502A1F8C59441C82FD231D643EE3123376FBEB9B188CA058C7786B2979414F6D96B
- MD5 SHA1 SHA512 SSDEEP TLSH
Score8/10Downloads MZ/PE file
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Executes dropped EXE
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
Suspicious use of NtSetInformationThreadHideFromDebugger
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1