Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02-10-2024 13:49
Static task
static1
Behavioral task
behavioral1
Sample
DHLAWBReceipt.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
DHLAWBReceipt.exe
Resource
win10v2004-20240802-en
General
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Target
DHLAWBReceipt.exe
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Size
876KB
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MD5
7e1a43265a1743e1c13fd5e764170f6a
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SHA1
6da49999b8e2821677c0cd6e4d7db153fcaf4bef
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SHA256
00d7d6f4464621ac12c198885c9a618eaf9dc6a2a25e507277e13f34a354a7db
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SHA512
62673b48a49652e769423360636e4c31bee7a1bb5b04b3579b1adb68056be9b3a369b6303103004f939062e154bb13840b691f573ed5291188a54f01721ff3d1
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SSDEEP
12288:OTvDLSJLnC3MWCVrImP2pkgyaMPPy62+kyqkcNc5JN/kR:+vXSk87V4vpaP4+hqOa
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.vinatax.us - Port:
587 - Username:
[email protected] - Password:
vinatax@2022 - Email To:
[email protected]
Signatures
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VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
DHLAWBReceipt.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHLAWBReceipt.exe Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHLAWBReceipt.exe Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHLAWBReceipt.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.
Processes:
flow ioc 22 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
DHLAWBReceipt.exedescription pid process target process PID 4900 set thread context of 1540 4900 DHLAWBReceipt.exe DHLAWBReceipt.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
DHLAWBReceipt.exeDHLAWBReceipt.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DHLAWBReceipt.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DHLAWBReceipt.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
DHLAWBReceipt.exepid process 1540 DHLAWBReceipt.exe 1540 DHLAWBReceipt.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
DHLAWBReceipt.exepid process 1540 DHLAWBReceipt.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
DHLAWBReceipt.exedescription pid process Token: SeDebugPrivilege 1540 DHLAWBReceipt.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
DHLAWBReceipt.exepid process 1540 DHLAWBReceipt.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
DHLAWBReceipt.exedescription pid process target process PID 4900 wrote to memory of 1540 4900 DHLAWBReceipt.exe DHLAWBReceipt.exe PID 4900 wrote to memory of 1540 4900 DHLAWBReceipt.exe DHLAWBReceipt.exe PID 4900 wrote to memory of 1540 4900 DHLAWBReceipt.exe DHLAWBReceipt.exe PID 4900 wrote to memory of 1540 4900 DHLAWBReceipt.exe DHLAWBReceipt.exe PID 4900 wrote to memory of 1540 4900 DHLAWBReceipt.exe DHLAWBReceipt.exe PID 4900 wrote to memory of 1540 4900 DHLAWBReceipt.exe DHLAWBReceipt.exe PID 4900 wrote to memory of 1540 4900 DHLAWBReceipt.exe DHLAWBReceipt.exe PID 4900 wrote to memory of 1540 4900 DHLAWBReceipt.exe DHLAWBReceipt.exe -
outlook_office_path 1 IoCs
Processes:
DHLAWBReceipt.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHLAWBReceipt.exe -
outlook_win_path 1 IoCs
Processes:
DHLAWBReceipt.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHLAWBReceipt.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DHLAWBReceipt.exe"C:\Users\Admin\AppData\Local\Temp\DHLAWBReceipt.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4900 -
C:\Users\Admin\AppData\Local\Temp\DHLAWBReceipt.exe"C:\Users\Admin\AppData\Local\Temp\DHLAWBReceipt.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1540
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3