Analysis
- max time kernel
144s - max time network
169s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
17/02/2022, 00:27
Static task
static1
Behavioral task
behavioral1
Sample
789481741e0df019d839bf61181b5cdd085b2334123be58a4b64c12fa7bd6193.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
789481741e0df019d839bf61181b5cdd085b2334123be58a4b64c12fa7bd6193.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 789481741e0df019d839bf61181b5cdd085b2334123be58a4b64c12fa7bd6193.exe
- Size 87KB
- Sample220217-ar6d2sehd7
- SHA256 789481741e0df019d839bf61181b5cdd085b2334123be58a4b64c12fa7bd6193
- MD5 ce7caebbced9ba9421219da04b63f07b
- SHA1 6c00b0424981171ba5011801bd7850d2a45a4139
- SHA512 ddbe08316674a6c08a6f488fb5f33098351c5d8b2c93bd5c213764456e69241a0ea2eff48de4a19846083b42c4b7fd8656e4d40e29faf41b791ee0e128724433
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
netwire
C2
-
213.183.58.12:1555
Attributes
-
activex_autorun
false
- activex_key
-
copy_executable
true
-
delete_original
true
-
host_id
suchfamily
-
install_path
%Temp%\SKYPE.exe
-
keylogger_dir
%Temp%\Logs\
-
lock_executable
false
-
mutex
CBNlDpBK
-
offline_keylogger
true
-
password
Hkoco,~E$)
-
registry_autorun
true
-
startup_name
SKYPE
-
use_mutex
true
Signatures
- NetWire RAT payload 2 IoCs
resource yara_rule behavioral2/files/0x000300000000071f-130.dat netwire behavioral2/files/0x000300000000071f-131.dat netwire - Executes dropped EXE 1 IoCs
pid Process 1468 SKYPE.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SKYPE = "C:\\Users\\Admin\\AppData\\Local\\Temp\\SKYPE.exe" SKYPE.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ SKYPE.exe - Drops file in Windows directory 8 IoCs
description ioc Process File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log svchost.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 2316 svchost.exe Token: SeCreatePagefilePrivilege 2316 svchost.exe Token: SeShutdownPrivilege 2316 svchost.exe Token: SeCreatePagefilePrivilege 2316 svchost.exe Token: SeShutdownPrivilege 2316 svchost.exe Token: SeCreatePagefilePrivilege 2316 svchost.exe Token: SeSecurityPrivilege 4488 TiWorker.exe Token: SeRestorePrivilege 4488 TiWorker.exe Token: SeBackupPrivilege 4488 TiWorker.exe Token: SeBackupPrivilege 4488 TiWorker.exe Token: SeRestorePrivilege 4488 TiWorker.exe Token: SeSecurityPrivilege 4488 TiWorker.exe Token: SeBackupPrivilege 4488 TiWorker.exe Token: SeRestorePrivilege 4488 TiWorker.exe Token: SeSecurityPrivilege 4488 TiWorker.exe Token: SeBackupPrivilege 4488 TiWorker.exe Token: SeRestorePrivilege 4488 TiWorker.exe Token: SeSecurityPrivilege 4488 TiWorker.exe Token: SeBackupPrivilege 4488 TiWorker.exe Token: SeRestorePrivilege 4488 TiWorker.exe Token: SeSecurityPrivilege 4488 TiWorker.exe Token: SeBackupPrivilege 4488 TiWorker.exe Token: SeRestorePrivilege 4488 TiWorker.exe Token: SeSecurityPrivilege 4488 TiWorker.exe Token: SeBackupPrivilege 4488 TiWorker.exe Token: SeRestorePrivilege 4488 TiWorker.exe Token: SeSecurityPrivilege 4488 TiWorker.exe Token: SeBackupPrivilege 4488 TiWorker.exe Token: SeRestorePrivilege 4488 TiWorker.exe Token: SeSecurityPrivilege 4488 TiWorker.exe Token: SeBackupPrivilege 4488 TiWorker.exe Token: SeRestorePrivilege 4488 TiWorker.exe Token: SeSecurityPrivilege 4488 TiWorker.exe Token: SeBackupPrivilege 4488 TiWorker.exe Token: SeRestorePrivilege 4488 TiWorker.exe Token: SeSecurityPrivilege 4488 TiWorker.exe Token: SeBackupPrivilege 4488 TiWorker.exe Token: SeRestorePrivilege 4488 TiWorker.exe Token: SeSecurityPrivilege 4488 TiWorker.exe Token: SeBackupPrivilege 4488 TiWorker.exe Token: SeRestorePrivilege 4488 TiWorker.exe Token: SeSecurityPrivilege 4488 TiWorker.exe Token: SeBackupPrivilege 4488 TiWorker.exe Token: SeRestorePrivilege 4488 TiWorker.exe Token: SeSecurityPrivilege 4488 TiWorker.exe Token: SeBackupPrivilege 4488 TiWorker.exe Token: SeRestorePrivilege 4488 TiWorker.exe Token: SeSecurityPrivilege 4488 TiWorker.exe Token: SeBackupPrivilege 4488 TiWorker.exe Token: SeRestorePrivilege 4488 TiWorker.exe Token: SeSecurityPrivilege 4488 TiWorker.exe Token: SeBackupPrivilege 4488 TiWorker.exe Token: SeRestorePrivilege 4488 TiWorker.exe Token: SeSecurityPrivilege 4488 TiWorker.exe Token: SeBackupPrivilege 4488 TiWorker.exe Token: SeRestorePrivilege 4488 TiWorker.exe Token: SeSecurityPrivilege 4488 TiWorker.exe Token: SeBackupPrivilege 4488 TiWorker.exe Token: SeRestorePrivilege 4488 TiWorker.exe Token: SeSecurityPrivilege 4488 TiWorker.exe Token: SeBackupPrivilege 4488 TiWorker.exe Token: SeRestorePrivilege 4488 TiWorker.exe Token: SeSecurityPrivilege 4488 TiWorker.exe Token: SeBackupPrivilege 4488 TiWorker.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2380 wrote to memory of 1468 2380 789481741e0df019d839bf61181b5cdd085b2334123be58a4b64c12fa7bd6193.exe 82 PID 2380 wrote to memory of 1468 2380 789481741e0df019d839bf61181b5cdd085b2334123be58a4b64c12fa7bd6193.exe 82 PID 2380 wrote to memory of 1468 2380 789481741e0df019d839bf61181b5cdd085b2334123be58a4b64c12fa7bd6193.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\789481741e0df019d839bf61181b5cdd085b2334123be58a4b64c12fa7bd6193.exe"C:\Users\Admin\AppData\Local\Temp\789481741e0df019d839bf61181b5cdd085b2334123be58a4b64c12fa7bd6193.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2380 -
C:\Users\Admin\AppData\Local\Temp\SKYPE.exe-m "C:\Users\Admin\AppData\Local\Temp\789481741e0df019d839bf61181b5cdd085b2334123be58a4b64c12fa7bd6193.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:1468
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2316
-
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4488