Analysis
- max time kernel
64s - 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
27/02/2023, 09:24
Static task
static1
Behavioral task
behavioral1
Sample
651cf4057a192ee7e21a69996c2b049b.exe
Resource
win7-20230220-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
651cf4057a192ee7e21a69996c2b049b.exe
Resource
win10v2004-20230220-en
11 signatures
150 seconds
General
- Target 651cf4057a192ee7e21a69996c2b049b.exe
- Size 1.0MB
- Sample230227-lc29mach68
- SHA256 cbabbb56010d51c93caec5d8a9e90c966685ebe9b20efb4f414b824eac64e022
- MD5 651cf4057a192ee7e21a69996c2b049b
- SHA1 1d1f5871b0fc9a796ea910c61d09449745dc01af
- SHA512 d072edfa24894c71c9e00ef514f891f8fdec3d0dfe8c75e3e13205fcaecb2114a9f8ede08f6f65aaec0c4542ed846289290320d3b3f49e379db2f49b46ecbeda
- SSDEEP 24576:Nwk1fdKvPvLQjAXU62CXK6qsz0O4A0toq:Ckp4fLQskXqK6n0O3Goq
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
ftp
-
Host
ftp://ftp.valvulasthermovalve.cl
-
Port
21
-
Username
-
Password
LILKOOLL14!!
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 651cf4057a192ee7e21a69996c2b049b.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 651cf4057a192ee7e21a69996c2b049b.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 651cf4057a192ee7e21a69996c2b049b.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 24 api.ipify.org 25 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4500 set thread context of 456 4500 651cf4057a192ee7e21a69996c2b049b.exe 87 - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 456 651cf4057a192ee7e21a69996c2b049b.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4500 wrote to memory of 456 4500 651cf4057a192ee7e21a69996c2b049b.exe 87 PID 4500 wrote to memory of 456 4500 651cf4057a192ee7e21a69996c2b049b.exe 87 PID 4500 wrote to memory of 456 4500 651cf4057a192ee7e21a69996c2b049b.exe 87 PID 4500 wrote to memory of 456 4500 651cf4057a192ee7e21a69996c2b049b.exe 87 PID 4500 wrote to memory of 456 4500 651cf4057a192ee7e21a69996c2b049b.exe 87 PID 4500 wrote to memory of 456 4500 651cf4057a192ee7e21a69996c2b049b.exe 87 PID 4500 wrote to memory of 456 4500 651cf4057a192ee7e21a69996c2b049b.exe 87 PID 4500 wrote to memory of 456 4500 651cf4057a192ee7e21a69996c2b049b.exe 87 - 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 651cf4057a192ee7e21a69996c2b049b.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 651cf4057a192ee7e21a69996c2b049b.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\651cf4057a192ee7e21a69996c2b049b.exe"C:\Users\Admin\AppData\Local\Temp\651cf4057a192ee7e21a69996c2b049b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4500 -
C:\Users\Admin\AppData\Local\Temp\651cf4057a192ee7e21a69996c2b049b.exe"C:\Users\Admin\AppData\Local\Temp\651cf4057a192ee7e21a69996c2b049b.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:456
-
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\651cf4057a192ee7e21a69996c2b049b.exe.log
- Size 1KB
- SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
- MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
- SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
- SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
- MD5 SHA1 SHA512