Analysis
- max time kernel
122s - max time network
168s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
30/01/2022, 15:17
Static task
static1
Behavioral task
behavioral1
Sample
DHL DOCUMENTS TRACKING Nº 740977876.exe
Resource
win7-en-20211208
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
DHL DOCUMENTS TRACKING Nº 740977876.exe
Resource
win10-en-20211208
0 signatures
0 seconds
General
- Target DHL DOCUMENTS TRACKING Nº 740977876.exe
- Size 412KB
- Sample220130-sn9w6sdga3
- SHA256 a50379d0e18b56fd13df8ff29681fe54efa1ca4d313930064fb3a30ea6148f84
- MD5 d71e248c768d9469470bc208d24696a3
- SHA1 d2f3610b85ad924916def26f318eee2e2d58b285
- SHA512 a7cbf0f1847244feb38ed71a5c031c5b4779311bc95b9931f8be619ceab6efd0f51d10f43eb8005f495b6e3e9fb07fce86b67e85a22d22d0b873e9865fe2fef8
- MD5 SHA1 SHA512
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
smtp.privateemail.com
-
Port
587
-
Username
-
Password
?Bj*W7zoKuJoS
Signatures
- 404 Keylogger
Information stealer and keylogger first seen in 2019.
- 404 Keylogger Main Executable 1 IoCs
resource yara_rule behavioral2/memory/3880-124-0x0000000000400000-0x000000000041E000-memory.dmp family_404keylogger - Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\PYQzx = "C:\\Users\\Admin\\AppData\\Roaming\\PYQzxq\\PYQzxqwwR.url" DHL DOCUMENTS TRACKING Nº 740977876.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 14 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3468 set thread context of 3880 3468 DHL DOCUMENTS TRACKING Nº 740977876.exe 69 - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 3880 InstallUtil.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3468 DHL DOCUMENTS TRACKING Nº 740977876.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3880 InstallUtil.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3880 InstallUtil.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3468 wrote to memory of 3880 3468 DHL DOCUMENTS TRACKING Nº 740977876.exe 69 PID 3468 wrote to memory of 3880 3468 DHL DOCUMENTS TRACKING Nº 740977876.exe 69 PID 3468 wrote to memory of 3880 3468 DHL DOCUMENTS TRACKING Nº 740977876.exe 69 PID 3468 wrote to memory of 3880 3468 DHL DOCUMENTS TRACKING Nº 740977876.exe 69 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL DOCUMENTS TRACKING Nº 740977876.exe"C:\Users\Admin\AppData\Local\Temp\DHL DOCUMENTS TRACKING Nº 740977876.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3468 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\InstallUtil.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:3880
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