Analysis
- max time kernel
60s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
02/06/2023, 16:24
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
03638199.exe
Resource
win7-20230220-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
03638199.exe
Resource
win10v2004-20230220-en
13 signatures
150 seconds
General
- Target 03638199.exe
- Size 804KB
- Sample230602-twcgbacd22
- SHA256 8235377c714eb9e58b2db6d39c4091d4b610296e8bfdfae466a8f286e655dabe
- MD5 9fea5877c1a529999ff85367649534e3
- SHA1 2040f1a667d46e74ee026b36b22f4b868fb318b9
- SHA512 d6b8d866e80c489f732254fcdbe399b44f363a6a14c1cc623443bf54758acdeabde264800db1afaf8c8cb9333d29605f2013acc3e2d15618fe7135a3b552912a
- SSDEEP 24576:oO1U9BqmycgiH75BJVbbe4Zy5vIJK9M+3MG:Tu9Bqmycr7rbyigZ9M6
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
smtp.gmail.com
-
Port
587
-
Username
-
Password
kjbcvllgudkhmgln
-
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 03638199.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 03638199.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 03638199.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 39 api.ipify.org 40 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2868 set thread context of 2160 2868 03638199.exe 91 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2160 03638199.exe 2160 03638199.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2160 03638199.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2160 03638199.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2868 wrote to memory of 2160 2868 03638199.exe 91 PID 2868 wrote to memory of 2160 2868 03638199.exe 91 PID 2868 wrote to memory of 2160 2868 03638199.exe 91 PID 2868 wrote to memory of 2160 2868 03638199.exe 91 PID 2868 wrote to memory of 2160 2868 03638199.exe 91 PID 2868 wrote to memory of 2160 2868 03638199.exe 91 PID 2868 wrote to memory of 2160 2868 03638199.exe 91 PID 2868 wrote to memory of 2160 2868 03638199.exe 91 - 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 03638199.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 03638199.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\03638199.exe"C:\Users\Admin\AppData\Local\Temp\03638199.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2868 -
C:\Users\Admin\AppData\Local\Temp\03638199.exe"C:\Users\Admin\AppData\Local\Temp\03638199.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2160
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\03638199.exe.log
- Size 1KB
- SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
- MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
- SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
- SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
- MD5 SHA1 SHA512