Analysis
- max time kernel
61s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
27/02/2023, 08:20
Static task
static1
Behavioral task
behavioral1
Sample
DHL Express 1224811733.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
DHL Express 1224811733.exe
Resource
win10v2004-20230220-en
General
- Target DHL Express 1224811733.exe
- Size 846KB
- Sample230227-j8fdmace63
- SHA256 6d4eead03f27551a1c48b4da0e274a7d889002e673b578a5782122fa11eb21dc
- MD5 01b2b540b27b0bb71aa83bc85ad713f3
- SHA1 ed8dc058e3ebfaa52441e13c022ebc0539d8b01e
- SHA512 75367d162e6569c484229c1c34610b9022c8525e59907ef702871dae3b8c8462e9c6d29adc529f03690eaeed2ea2903954a4d1a4af213e15239f8453539c936e
- SSDEEP 24576:npqMHppJNO4lRTKOvApQtNThqG0biAlYeBm:BHppnO4lJDSCNTR0bitS
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
agenttesla
-
https://discord.com/api/webhooks/1078583741573767239/JZQPjky8rqPcJghEx5_Yb02_z7KQzE661ZEA5DS0IpEP4tMOOQUK-gcD6l-_DMB3dif_
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- 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-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL Express 1224811733.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL Express 1224811733.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL Express 1224811733.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hsrhB = "C:\\Users\\Admin\\AppData\\Roaming\\hsrhB\\hsrhB.exe" DHL Express 1224811733.exe - Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 19 api.ipify.org 20 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1000 set thread context of 228 1000 DHL Express 1224811733.exe 87 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1000 DHL Express 1224811733.exe 1000 DHL Express 1224811733.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1000 DHL Express 1224811733.exe Token: SeDebugPrivilege 228 DHL Express 1224811733.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 228 DHL Express 1224811733.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1000 wrote to memory of 3764 1000 DHL Express 1224811733.exe 86 PID 1000 wrote to memory of 3764 1000 DHL Express 1224811733.exe 86 PID 1000 wrote to memory of 3764 1000 DHL Express 1224811733.exe 86 PID 1000 wrote to memory of 228 1000 DHL Express 1224811733.exe 87 PID 1000 wrote to memory of 228 1000 DHL Express 1224811733.exe 87 PID 1000 wrote to memory of 228 1000 DHL Express 1224811733.exe 87 PID 1000 wrote to memory of 228 1000 DHL Express 1224811733.exe 87 PID 1000 wrote to memory of 228 1000 DHL Express 1224811733.exe 87 PID 1000 wrote to memory of 228 1000 DHL Express 1224811733.exe 87 PID 1000 wrote to memory of 228 1000 DHL Express 1224811733.exe 87 PID 1000 wrote to memory of 228 1000 DHL Express 1224811733.exe 87 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL Express 1224811733.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL Express 1224811733.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL Express 1224811733.exe"C:\Users\Admin\AppData\Local\Temp\DHL Express 1224811733.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1000 -
C:\Users\Admin\AppData\Local\Temp\DHL Express 1224811733.exe"C:\Users\Admin\AppData\Local\Temp\DHL Express 1224811733.exe"2⤵PID:3764
-
-
C:\Users\Admin\AppData\Local\Temp\DHL Express 1224811733.exe"C:\Users\Admin\AppData\Local\Temp\DHL Express 1224811733.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:228
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DHL Express 1224811733.exe.log
- Size 1KB
- SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
- MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
- SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
- SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
- MD5 SHA1 SHA512