Analysis
- max time kernel
135s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
12/06/2023, 09:38
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Invoice.exe
Resource
win7-20230220-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
Invoice.exe
Resource
win10v2004-20230220-en
11 signatures
150 seconds
General
- Target Invoice.exe
- Size 743KB
- Sample230612-ll3lrabc33
- SHA256 12bf15f7a36dde34a0ab6dde0192fd9769c68e124cbedf9a08bf9a2930ee2b9f
- MD5 0d2515ad9092bd07e1bc20bbd8edc76d
- SHA1 b482050f576680f123abe4fbeb74ccb0e7ee7d8a
- SHA512 feb858ad3af6559bedb7a8b2514251a9c36725a6936e5eeb0a052b659b17bdbdf376579028a70876189f6734a4e188c4acbbbc591941a5317deb93ce64d7897f
- SSDEEP 12288:huCas/16/YHmM9mARLAV+/32672M4lS59/kYWJv98RzvbLU7rEQF4nDg3i+nBhxK:hks6cV9mA9ImkM4MkTJFCzjLslm+9k
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
smtp.satnet.net
-
Port
587
-
Username
-
Password
reve1563
-
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-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2108 set thread context of 1596 2108 Invoice.exe 92 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1596 Invoice.exe 1596 Invoice.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1596 Invoice.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2108 wrote to memory of 1596 2108 Invoice.exe 92 PID 2108 wrote to memory of 1596 2108 Invoice.exe 92 PID 2108 wrote to memory of 1596 2108 Invoice.exe 92 PID 2108 wrote to memory of 1596 2108 Invoice.exe 92 PID 2108 wrote to memory of 1596 2108 Invoice.exe 92 PID 2108 wrote to memory of 1596 2108 Invoice.exe 92 PID 2108 wrote to memory of 1596 2108 Invoice.exe 92 PID 2108 wrote to memory of 1596 2108 Invoice.exe 92 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2108 -
C:\Users\Admin\AppData\Local\Temp\Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1596
-
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\Invoice.exe.log
- Size 1KB
- SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
- MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
- SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
- SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
- MD5 SHA1 SHA512