General
- Target 18072026_0332_17072026_RFQ# 1058763.rar
- Size 530KB
- Sample260718-d3rxksat6w
- SHA256 213e434a515adb17cb5214cf49cb67b49037e978b61f5863f88c03db1bd6b42b
- MD5 a657a1337d9f345a91984dcf95e01887
- SHA1 7ba91853134fab08fff5ca57f1f3434b015f5c9b
- SHA512 c1354a45da828d687ba4942119005dc512f738c464abe1dea13a27af46f3c73035ee153e24ad78d7cb17d65bc4a074f51ac139f83be53175d072a3971b7d9f89
- SSDEEP 12288:/YQ1Y16KGyatOvy4gyx3vzSTf8IHbTsGVGjPlQLD/dezwdcy:wQCAKOR4g23vz+UI73uPxwL
- TLSH T17BC4236B57BF4C917B7C02E05982BFCB2718DAC485C9BA5909A7D86FFD048850B062F4
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
RFQ# 1058763.js
Resource
win10v2004-20260513-en
15 signatures
300 seconds
Behavioral task
behavioral2
Sample
RFQ# 1058763.js
Resource
win11ltsc2024-20260709-en
16 signatures
300 seconds
Malware Config
Extracted
Family
-
masslogger
Attributes
-
exfiltration_mode
#SMTPEnabled
-
expire_time_date
00-00-0000
-
host_password
Vd4_wKiUILWQ*tRY
-
host_port
587
- host_receiver
- host_sender
-
host_server
mail.trimnt.com
-
ssl_slate
True
Targets
-
- Target RFQ# 1058763.js
- Size 1.5MB
- SHA256 9174fe7f2addfc20d8409a83eb3f5958a9c7b0ac86405929771a16a6ccabc921
- MD5 aece944483b7b6529ffb7561baeb4b40
- SHA1 04e8dd9ae656f3dcdf54b022ede7dd42e3fc0ace
- SHA512 23d9b9bf49fde6888a3923ea808c989fc8d08ca07428af9e9ed96bb576d0c91724c6049bece6fbb658af6c09dc9760f60b16e3bd2bc310550ff930eaba82b0d4
- SSDEEP 24576:VzoJ+YuM7IZDalZFikBPzoJ+YuM7IZDalZFikBzb:8n/D2n/DP
- TLSH T1C375F14155C03EA8E7EE973541BEA5A7F3B10CCA682C6946E732FD45EEB3500C31627A
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Family: MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
-
Drops startup file
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Accesses Microsoft Outlook profiles
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Adds Run key to start application
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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.
-
Suspicious use of SetThreadContext