Analysis
- max time kernel
125s - max time network
131s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
11/06/2024, 02:02
Static task
static1
Behavioral task
behavioral1
Sample
bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe
Resource
win10v2004-20240426-en
General
- Target bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe
- Size 2.7MB
- Sample240611-cf8fda1anl
- SHA256 bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7
- MD5 7b13b633b3ec51c1f7a3f47caeb61ff6
- SHA1 59eac3f2029005e393229cd05c9b2846f50af040
- SHA512 8da9d928a9933a7ea6c9433ef04898eb5f3e80fc87b5038bd17ce138b6852e00408abb0e558eb1d4c4dbdd84f593483c6ad122b9efff2fa1f1eac028e624dd53
- SSDEEP 49152:IfZbT6OihqL7XoMOko10BBJpyAkEbeCjnnsDha8ihUFVoAZZn3:8b3L7XvfA0BBgSWhadhkoAP3
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.koppel.ph
-
Port
587
-
Username
-
Password
Welcome01KOPPEL
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.koppel.ph
-
Port
587
-
Username
-
Password
Welcome01KOPPEL
-
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.
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 12 api.ipify.org 13 api.ipify.org 18 ip-api.com - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 996 set thread context of 4092 996 bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe 80 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4092 bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe 4092 bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 996 bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe Token: SeDebugPrivilege 996 bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe Token: SeDebugPrivilege 4092 bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4092 bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 996 wrote to memory of 4092 996 bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe 80 PID 996 wrote to memory of 4092 996 bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe 80 PID 996 wrote to memory of 4092 996 bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe 80 PID 996 wrote to memory of 4092 996 bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe 80 PID 996 wrote to memory of 4092 996 bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe 80 PID 996 wrote to memory of 4092 996 bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe 80 PID 996 wrote to memory of 4092 996 bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe 80 PID 996 wrote to memory of 4092 996 bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe"C:\Users\Admin\AppData\Local\Temp\bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:996 -
C:\Users\Admin\AppData\Local\Temp\bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe"C:\Users\Admin\AppData\Local\Temp\bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4092
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\bfcce31c888656d9c91c1b50d320f0648923cfac65d48f69d06cc63b929442e7.exe.log
- Size 805B
- SHA256 6049be83020702896a539b5c8c13270add224d7b91b3ee0bebc328791b74a84b
- MD5 58a9108e39c2ea50e65c23be3a9407cf
- SHA1 fb21f7b9330aa1a77080a3243b81b49035102d7b
- SHA512 93804ee8a4560503e47c07f5fa4a959e23355a01aba406c103d339debc9b2b1d20a345cdbb8d8069dac97b9151f228cf559ac3dde1500e3484fba1a4126842bf
- MD5 SHA1 SHA512