Analysis
-
max time kernel
119s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
02-12-2023 01:48
Static task
static1
Behavioral task
behavioral1
Sample
4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
Resource
win10v2004-20231130-en
General
-
Target
4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
-
Size
688KB
-
MD5
21a2ca225f66a6e0c61280bb5aa4e93e
-
SHA1
51530ba354cfe93f393f953049309b9eaf4244e0
-
SHA256
4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b
-
SHA512
a70f29a1dff09ca29f7f6bc2e06c2c0c82cfb78bd9fccd080cad9813cdbd5eb3051ca56b5ab80e21c9bc0a476d6173fcb12250be1d202f2b69ee1f1468670962
-
SSDEEP
12288:iCpvJYIXIb7Ta0A4ZHDWCTEY2yIotj9D49m1WYX7F+tLZurYvDWE3:RvJ1InIgHKaE7yIV9m84FSLZ8kH
Malware Config
Extracted
agenttesla
https://discord.com/api/webhooks/1158669333552169031/JDVIUrIPRDFArhYLJtuVY40DaK1KV7rtH9wZuJWWynu212vmqEwNYKJHXzbfaOWZBsRP
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.
-
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1791582586-1997866593-3795608343-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\InternetExlorerUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\InternetExlorerUpdate\\InternetExlorerUpdate.exe" 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
-
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 22 api.ipify.org 23 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exedescription pid process target process PID 4008 set thread context of 1236 4008 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exepid process 4008 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4008 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 1236 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 1236 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exedescription pid process Token: SeDebugPrivilege 4008 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe Token: SeDebugPrivilege 1236 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exepid process 1236 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exedescription pid process target process PID 4008 wrote to memory of 4456 4008 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe PID 4008 wrote to memory of 4456 4008 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe PID 4008 wrote to memory of 4456 4008 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe PID 4008 wrote to memory of 1236 4008 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe PID 4008 wrote to memory of 1236 4008 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe PID 4008 wrote to memory of 1236 4008 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe PID 4008 wrote to memory of 1236 4008 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe PID 4008 wrote to memory of 1236 4008 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe PID 4008 wrote to memory of 1236 4008 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe PID 4008 wrote to memory of 1236 4008 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe PID 4008 wrote to memory of 1236 4008 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe"C:\Users\Admin\AppData\Local\Temp\4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4008 -
C:\Users\Admin\AppData\Local\Temp\4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe"C:\Users\Admin\AppData\Local\Temp\4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe"2⤵PID:4456
-
C:\Users\Admin\AppData\Local\Temp\4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe"C:\Users\Admin\AppData\Local\Temp\4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1236
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3