Analysis
-
max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
04/03/2024, 04:46
Static task
static1
Behavioral task
behavioral1
Sample
6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f.exe
Resource
win10v2004-20240226-en
General
-
Target
6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f.exe
-
Size
564KB
-
MD5
ee6540466a3efa53c8ea1068c8a02fcb
-
SHA1
9cb1126b5f0c332b038c6b45716653eb6e9b3762
-
SHA256
6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f
-
SHA512
5bc2b9edc87b64fe472f9fc56898c130c86ab138bc76649d68786f3954ef50718fa46d4b94c30f3995d4edb529e2703b2e663af5c9253c9eeb75caac6dab0571
-
SSDEEP
12288:QuTpqJqRy20MbcIsesdyEhtALZKM6uBNr4+esTCmZ:QuT2w8TM1KMp2m
Malware Config
Extracted
netwire
iheuche009.hopto.org:1199
-
activex_autorun
true
-
activex_key
{84B0DIYX-PC63-6D34-570T-YW54Q1M2RH7A}
-
copy_executable
true
-
delete_original
false
-
host_id
HostId-%Rand%
-
install_path
%AppData%\Install\Host.exe
-
keylogger_dir
%AppData%\Logs\
-
lock_executable
false
-
mutex
IRobWUAG
-
offline_keylogger
true
-
password
Password
-
registry_autorun
true
-
startup_name
Avast
-
use_mutex
true
Signatures
-
NetWire RAT payload 3 IoCs
resource yara_rule behavioral2/files/0x000a00000002323b-35.dat netwire behavioral2/memory/4560-53-0x0000000000400000-0x000000000042C000-memory.dmp netwire behavioral2/memory/4732-57-0x0000000000400000-0x000000000042C000-memory.dmp netwire -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
resource yara_rule behavioral2/files/0x000a00000002323d-43.dat INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables containing common artifacts observed in infostealers 1 IoCs
resource yara_rule behavioral2/files/0x000a00000002323d-43.dat INDICATOR_SUSPICIOUS_GENInfoStealer -
Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
resource yara_rule behavioral2/files/0x000a00000002323d-43.dat INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
Modifies Installed Components in the registry 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{84B0DIYX-PC63-6D34-570T-YW54Q1M2RH7A} Host.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{84B0DIYX-PC63-6D34-570T-YW54Q1M2RH7A}\StubPath = "\"C:\\Users\\Admin\\AppData\\Roaming\\Install\\Host.exe\"" Host.exe -
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-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation 6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f.exe -
Executes dropped EXE 3 IoCs
pid Process 4560 Host.exe 3628 build.exe 4732 Host.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook build.exe Key opened \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook build.exe Key opened \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook build.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f.exe = "C:\\Users\\Admin\\AppData\\Roaming/Microsoft/Skype.exe" 6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f.exe Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Avast = "C:\\Users\\Admin\\AppData\\Roaming\\Install\\Host.exe" Host.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3816 set thread context of 5024 3816 6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f.exe 91 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3628 build.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 3816 wrote to memory of 5024 3816 6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f.exe 91 PID 3816 wrote to memory of 5024 3816 6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f.exe 91 PID 3816 wrote to memory of 5024 3816 6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f.exe 91 PID 3816 wrote to memory of 5024 3816 6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f.exe 91 PID 3816 wrote to memory of 5024 3816 6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f.exe 91 PID 5024 wrote to memory of 4560 5024 6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f.exe 92 PID 5024 wrote to memory of 4560 5024 6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f.exe 92 PID 5024 wrote to memory of 4560 5024 6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f.exe 92 PID 5024 wrote to memory of 3628 5024 6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f.exe 94 PID 5024 wrote to memory of 3628 5024 6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f.exe 94 PID 5024 wrote to memory of 3628 5024 6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f.exe 94 PID 4560 wrote to memory of 4732 4560 Host.exe 95 PID 4560 wrote to memory of 4732 4560 Host.exe 95 PID 4560 wrote to memory of 4732 4560 Host.exe 95 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook build.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook build.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f.exe"C:\Users\Admin\AppData\Local\Temp\6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3816 -
C:\Users\Admin\AppData\Local\Temp\6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f.exe"C:\Users\Admin\AppData\Local\Temp\6d8aaf45e441a23f537e1b506cecbf29a05878e192cbe92c96cee2d8835a610f.exe"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5024 -
C:\Users\Admin\AppData\Local\Temp\Host.exe"C:\Users\Admin\AppData\Local\Temp\Host.exe"3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4560 -
C:\Users\Admin\AppData\Roaming\Install\Host.exe"C:\Users\Admin\AppData\Roaming\Install\Host.exe"4⤵
- Modifies Installed Components in the registry
- Executes dropped EXE
- Adds Run key to start application
PID:4732
-
-
-
C:\Users\Admin\AppData\Local\Temp\build.exe"C:\Users\Admin\AppData\Local\Temp\build.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3628
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
132KB
MD5881779ca64253b8849df903a23e6d652
SHA1f564352d587ebea5527de51b7bd1269a47355973
SHA256863a19222eecc560657e64d720a5b64a28e972a7ea5a7983c98343694ffe284d
SHA5122aff2f984f561ce0d5ae60b529da7cfdec35e02e28d8e9de27346e8c078bccf42c0bd882d7f8e0c70a0aea3bc6592489ee1bb7cc7cd3d1206547610efce26a94
-
Filesize
104KB
MD5431db996b7b68105e62810c9c086461e
SHA1376cbe35c5ac42ab529ae736b7f0dfe8d43d2670
SHA25672bf0c4750c07ec89ffe7a93644889b4e4c6674eaaca4f94528156fb152c94a4
SHA512fb5560d3669b6da3b1491d0806741487a6a56fb444bec7a7d3663d5181188dbaa11bd5e76f40a7994ad16fcaeaf7c15a99d0b182641e75fc41613470b7fbd82f
-
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-609813121-2907144057-1731107329-1000\0f5007522459c86e95ffcc62f32308f1_0eba5ade-06df-4bb4-82bc-b49b963c83eb
Filesize46B
MD5c07225d4e7d01d31042965f048728a0a
SHA169d70b340fd9f44c89adb9a2278df84faa9906b7
SHA2568c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a
SHA51223d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b
-
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-609813121-2907144057-1731107329-1000\0f5007522459c86e95ffcc62f32308f1_0eba5ade-06df-4bb4-82bc-b49b963c83eb
Filesize46B
MD5d898504a722bff1524134c6ab6a5eaa5
SHA1e0fdc90c2ca2a0219c99d2758e68c18875a3e11e
SHA256878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9
SHA51226a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61