Analysis
- max time kernel
148s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system - submitted
31/12/2023, 12:58
Behavioral task
behavioral1
Sample
37035aa02a65b1b869898cb611d37686.exe
Resource
win7-20231215-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
37035aa02a65b1b869898cb611d37686.exe
Resource
win10v2004-20231222-en
7 signatures
150 seconds
General
- Target 37035aa02a65b1b869898cb611d37686.exe
- Size 166KB
- Sample231231-p7vd2sgbf8
- SHA256 4c01cc3dd96c524054207f6b37a334c62549857f28c0286cc8dfc30b6d388e34
- MD5 37035aa02a65b1b869898cb611d37686
- SHA1 bd9d62bac74de751f593df27d7ce4885d2bedf01
- SHA512 a7056d998dd6205518209529d71ec3221c36651474050ffe67c1356f72bc230cac055279dc13dba5e3458979a0e394499ef8cb20b02a357ccea02f1104e27655
- SSDEEP 3072:bOzPcXa+ND32eioGHlz8rnAE0HCXh0edLvnoYMjMqqDvFfCZjx:bOTcK+NrRioGHlz8rz0i/ozQqqDvFfk1
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
netwire
C2
-
needforrat.hopto.org:3360
-
needforrat.hopto.org:7777
Attributes
-
activex_autorun
false
-
copy_executable
true
-
delete_original
false
-
host_id
HostId-%Rand%
-
install_path
%AppData%\Install\Host.exe
-
keylogger_dir
%AppData%\Logs\
-
lock_executable
false
-
mutex
qRhguWXi
-
offline_keylogger
true
-
password
Password
-
registry_autorun
true
-
startup_name
Crack_Windows
-
use_mutex
true
Signatures
- NetWire RAT payload 4 IoCs
resource yara_rule behavioral2/files/0x00080000000231f7-4.dat netwire behavioral2/memory/1020-8-0x0000000000400000-0x0000000000433000-memory.dmp netwire behavioral2/memory/2200-9-0x0000000000400000-0x0000000000433000-memory.dmp netwire behavioral2/memory/2200-11-0x0000000000400000-0x0000000000433000-memory.dmp netwire - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation 37035aa02a65b1b869898cb611d37686.exe - Executes dropped EXE 1 IoCs
pid Process 2200 Host.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Crack_Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Install\\Host.exe" Host.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1020 wrote to memory of 2200 1020 37035aa02a65b1b869898cb611d37686.exe 22 PID 1020 wrote to memory of 2200 1020 37035aa02a65b1b869898cb611d37686.exe 22 PID 1020 wrote to memory of 2200 1020 37035aa02a65b1b869898cb611d37686.exe 22
Processes
-
C:\Users\Admin\AppData\Local\Temp\37035aa02a65b1b869898cb611d37686.exe"C:\Users\Admin\AppData\Local\Temp\37035aa02a65b1b869898cb611d37686.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1020 -
C:\Users\Admin\AppData\Roaming\Install\Host.exe"C:\Users\Admin\AppData\Roaming\Install\Host.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:2200
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Install\Host.exe
- Size 166KB
- SHA256 4c01cc3dd96c524054207f6b37a334c62549857f28c0286cc8dfc30b6d388e34
- MD5 37035aa02a65b1b869898cb611d37686
- SHA1 bd9d62bac74de751f593df27d7ce4885d2bedf01
- SHA512 a7056d998dd6205518209529d71ec3221c36651474050ffe67c1356f72bc230cac055279dc13dba5e3458979a0e394499ef8cb20b02a357ccea02f1104e27655
- SSDEEP 3072:bOzPcXa+ND32eioGHlz8rnAE0HCXh0edLvnoYMjMqqDvFfCZjx:bOTcK+NrRioGHlz8rz0i/ozQqqDvFfk1
- MD5 SHA1 SHA512 SSDEEP