General
- Target MV_ANNA_SCHULTE_APPOINTMENT_LETTER.JS.js
- Size 4.5MB
- Sample260804-k3l5nabp8v
- SHA256 f73e99799f4ff717036cea15e6b3f2fb9b65da56906ae9d632a22b7ceb98ec3e
- MD5 82953bb87b6620e3a15d2f20181c2931
- SHA1 b938208eb51b6a7eab89ba0db883a37d8f8c1875
- SHA512 4dd5177892929a567915ea374fee30c6a26757fe6ee43fcd775888f928c366accbc31dd343d8f2d278bd1bd5e06864b173c82916a68772df0841a12c7363e0fe
- SSDEEP 98304:p/uFmB59peUjZhLRoLGJfyr5mY5AdcuAEDbUAnkP+sEwQt/hDgIzw5bp1VS/0wxd:p2FI5m4ZBKKJadm+RuAsUAkWsah7sjSP
- TLSH T12326E7D7175992327332AB9D923ACD30D94A611305C9CF26317DE208BB6CD4BA75CEE2
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
MV_ANNA_SCHULTE_APPOINTMENT_LETTER.JS.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
MV_ANNA_SCHULTE_APPOINTMENT_LETTER.JS.js
Resource
win11ltsc2024-20260709-en
Malware Config
Extracted
-
remcos
-
7.2.6 Pro
-
RemoteHost
-
www.jahstandclassproject.com:2404
-
www.jahstandclassprojectbackup.com:2404
-
www.jahstandclassprojectbackup1.com:2404
-
www.jahstandclassprojectbackup2.com:2404
-
www.jahstandclassprojectbackup3.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-CBZPAA
-
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 MV_ANNA_SCHULTE_APPOINTMENT_LETTER.JS.js
- Size 4.5MB
- SHA256 f73e99799f4ff717036cea15e6b3f2fb9b65da56906ae9d632a22b7ceb98ec3e
- MD5 82953bb87b6620e3a15d2f20181c2931
- SHA1 b938208eb51b6a7eab89ba0db883a37d8f8c1875
- SHA512 4dd5177892929a567915ea374fee30c6a26757fe6ee43fcd775888f928c366accbc31dd343d8f2d278bd1bd5e06864b173c82916a68772df0841a12c7363e0fe
- SSDEEP 98304:p/uFmB59peUjZhLRoLGJfyr5mY5AdcuAEDbUAnkP+sEwQt/hDgIzw5bp1VS/0wxd:p2FI5m4ZBKKJadm+RuAsUAkWsah7sjSP
- TLSH T12326E7D7175992327332AB9D923ACD30D94A611305C9CF26317DE208BB6CD4BA75CEE2
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detects DonutLoader
-
Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Accesses Microsoft Outlook profiles
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2JavaScript
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1