Analysis
- max time kernel
145s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
27/03/2023, 10:34
Static task
static1
Behavioral task
behavioral1
Sample
4519de9e3f5efd9400ddfdea287b5daf.exe
Resource
win7-20230220-en
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
4519de9e3f5efd9400ddfdea287b5daf.exe
Resource
win10v2004-20230220-en
13 signatures
150 seconds
General
- Target 4519de9e3f5efd9400ddfdea287b5daf.exe
- Size 795KB
- Sample230327-ml6h3sda48
- SHA256 6c8b93bdd0153dfe2c4ff9e4c758ec44f3e01fbb77cb54b51e7ed07efa734a44
- MD5 4519de9e3f5efd9400ddfdea287b5daf
- SHA1 3caede68f0bd9e89b241c73064dd75a29095b422
- SHA512 656a759aee1b28d470bf32368e4d0372786515a1477730e3e790e642242ec4d801180361ff79af85d7d99164e6686823ebb85ee36ccbd612065d5a14d389004c
- SSDEEP 12288:cA5xB0OpJhZDrxDzJOzrsj8O8wluaUVnBNrRs94SQnzd9Gwg2ZvRDM:cA5rZDDN5OkIpwldUVBnsqzzSwgiF
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.ungaplc.com
-
Port
587
-
Username
-
Password
Maco@2022@
-
Email to
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 4519de9e3f5efd9400ddfdea287b5daf.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4519de9e3f5efd9400ddfdea287b5daf.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4519de9e3f5efd9400ddfdea287b5daf.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\TKQShz = "C:\\Users\\Admin\\AppData\\Roaming\\TKQShz\\TKQShz.exe" 4519de9e3f5efd9400ddfdea287b5daf.exe - 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 47 api.ipify.org 46 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3344 set thread context of 4832 3344 4519de9e3f5efd9400ddfdea287b5daf.exe 94 - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4832 4519de9e3f5efd9400ddfdea287b5daf.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4832 4519de9e3f5efd9400ddfdea287b5daf.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3344 wrote to memory of 4832 3344 4519de9e3f5efd9400ddfdea287b5daf.exe 94 PID 3344 wrote to memory of 4832 3344 4519de9e3f5efd9400ddfdea287b5daf.exe 94 PID 3344 wrote to memory of 4832 3344 4519de9e3f5efd9400ddfdea287b5daf.exe 94 PID 3344 wrote to memory of 4832 3344 4519de9e3f5efd9400ddfdea287b5daf.exe 94 PID 3344 wrote to memory of 4832 3344 4519de9e3f5efd9400ddfdea287b5daf.exe 94 PID 3344 wrote to memory of 4832 3344 4519de9e3f5efd9400ddfdea287b5daf.exe 94 PID 3344 wrote to memory of 4832 3344 4519de9e3f5efd9400ddfdea287b5daf.exe 94 PID 3344 wrote to memory of 4832 3344 4519de9e3f5efd9400ddfdea287b5daf.exe 94 - 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 4519de9e3f5efd9400ddfdea287b5daf.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 4519de9e3f5efd9400ddfdea287b5daf.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\4519de9e3f5efd9400ddfdea287b5daf.exe"C:\Users\Admin\AppData\Local\Temp\4519de9e3f5efd9400ddfdea287b5daf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3344 -
C:\Users\Admin\AppData\Local\Temp\4519de9e3f5efd9400ddfdea287b5daf.exe"C:\Users\Admin\AppData\Local\Temp\4519de9e3f5efd9400ddfdea287b5daf.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:4832
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4519de9e3f5efd9400ddfdea287b5daf.exe.log
- Size 1KB
- SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
- MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
- SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
- SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
- MD5 SHA1 SHA512