General
- Target tmpjvwoc5ur
- Size 8.5MB
- Sample260702-rseq6afy7z
- SHA256 85bebb4da660f33be5aefd120cf7e715f76d22d87fc9334413f0061f1a238fa5
- MD5 abfd77f13c92d8748e37558ecb3db828
- SHA1 15c2d2b96830c529d0479061e99a244a430da360
- SHA512 e9dcdf42a9690c5155485e60a1af77b2db1556dc9226fee9b415b292a59f60e10d37131329793bb615ee1702be554f663b2d7309249b9137f7e45df165dbc14f
- SSDEEP 3072:jp8Gqo2IYanVsM+nrT6W22q13CEB78GDGRnaOyyAic2A/f24tIDLlFUCpvnXFRH/:ejHNg8u68p1jC
- TLSH T1CE961B2DBBEE015C9C26D386EAF151E4C5ACB92203DF651F80765ECE5312386D93226F
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
tmpjvwoc5ur.js
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral2
Sample
tmpjvwoc5ur.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral3
Sample
tmpjvwoc5ur.js
Resource
win11-20260513-en
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.tremisa.com.mx
-
Port
587
-
Username
-
Password
sR%x,ch*U#=b
Extracted
-
masslogger
-
exfiltration_mode
#SMTPEnabled
-
expire_time_date
00-00-0000
-
host_password
sR%x,ch*U#=b
-
host_port
587
- host_receiver
- host_sender
-
host_server
mail.tremisa.com.mx
-
ssl_slate
False
Targets
-
- Target tmpjvwoc5ur
- Size 8.5MB
- SHA256 85bebb4da660f33be5aefd120cf7e715f76d22d87fc9334413f0061f1a238fa5
- MD5 abfd77f13c92d8748e37558ecb3db828
- SHA1 15c2d2b96830c529d0479061e99a244a430da360
- SHA512 e9dcdf42a9690c5155485e60a1af77b2db1556dc9226fee9b415b292a59f60e10d37131329793bb615ee1702be554f663b2d7309249b9137f7e45df165dbc14f
- SSDEEP 3072:jp8Gqo2IYanVsM+nrT6W22q13CEB78GDGRnaOyyAic2A/f24tIDLlFUCpvnXFRH/:ejHNg8u68p1jC
- TLSH T1CE961B2DBBEE015C9C26D386EAF151E4C5ACB92203DF651F80765ECE5312386D93226F
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Family: MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Registers new Windows logon scripts automatically executed at logon.
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Accesses Microsoft Outlook profiles
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Obfuscated Files or Information: Command Obfuscation
Adversaries may obfuscate content during command execution to impede detection.