Analysis
- max time kernel
161s - max time network
170s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
12/02/2022, 13:04
Static task
static1
Behavioral task
behavioral1
Sample
e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe
- Size 1.4MB
- Sample220212-qa3jtsceg4
- SHA256 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99
- MD5 f1eade17860fe67667492ce4d4393f14
- SHA1 1b05cc3a96dc4022df3b8e3950951a8e35e193e3
- SHA512 477d23eed52dea4755c6a7307c21294121dd31c7f1cd5efa81f457668dd3359ed51acb488458d5afa2badd3b73af886020533cb748f386400b3d4b99dfaa0ae1
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
mail.gcco.dz
-
Port
587
-
Username
-
Password
CKnt@CtGcc0
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
yara_rule masslogger_log_file - ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000600000001e8df-138.dat acprotect - ReZer0 packer 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
resource yara_rule behavioral2/memory/1284-130-0x00000000001D0000-0x0000000000336000-memory.dmp rezer0 -
resource yara_rule behavioral2/files/0x000600000001e8df-138.dat upx - 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-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe - Loads dropped DLL 1 IoCs
pid Process 1248 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.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 18 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe Key queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe Key queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe Key queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe Key queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe Key queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe - Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 39 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1284 set thread context of 1248 1284 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe 81 - Drops file in Windows directory 8 IoCs
description ioc Process 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 File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log svchost.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1248 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1248 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1248 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe Token: SeShutdownPrivilege 3896 svchost.exe Token: SeCreatePagefilePrivilege 3896 svchost.exe Token: SeShutdownPrivilege 3896 svchost.exe Token: SeCreatePagefilePrivilege 3896 svchost.exe Token: SeShutdownPrivilege 3896 svchost.exe Token: SeCreatePagefilePrivilege 3896 svchost.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1248 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1284 wrote to memory of 1248 1284 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe 81 PID 1284 wrote to memory of 1248 1284 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe 81 PID 1284 wrote to memory of 1248 1284 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe 81 PID 1284 wrote to memory of 1248 1284 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe 81 PID 1284 wrote to memory of 1248 1284 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe 81 PID 1284 wrote to memory of 1248 1284 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe 81 PID 1284 wrote to memory of 1248 1284 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe 81 PID 1284 wrote to memory of 1248 1284 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe 81 - outlook_office_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe - outlook_win_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe"C:\Users\Admin\AppData\Local\Temp\e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1284 -
C:\Users\Admin\AppData\Local\Temp\e2ca9576635581fa73563929708f85e2ffd566d959bf891574457464d16c8d99.exe"{path}"2⤵
- Checks computer location settings
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1248
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3896
-
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:1588