Analysis
-
max time kernel
141s -
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
11-12-2023 13:28
Static task
static1
Behavioral task
behavioral1
Sample
iHZsM0uymI3Vg6u.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
iHZsM0uymI3Vg6u.exe
Resource
win10v2004-20231130-en
General
-
Target
iHZsM0uymI3Vg6u.exe
-
Size
733KB
-
MD5
3c0248f8ec601644dcc315613c8687d2
-
SHA1
7074e7794171f6273d26b889e958ca9904d90388
-
SHA256
7e843c9470e591d69b382463986e433872664cb0f39bc232af8a157a6d75594c
-
SHA512
75c73a851db5da0a9e9fcc340444302518f0a6043a0450c73170abff83db7fff45895e91f5fd24f6b50d21eaeea44570a68f61d252a6c935ee63e95a3aa7f1de
-
SSDEEP
12288:SF5nF8ME6jD/mRRPuAeuBMH4koN3l0X9bKAcHgovMtQBHaVzXi5iK:SFPtD/mRRPuAeuWYkO3l0X9KAno0uHaU
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5612303943:AAFKYGy6vbiiDfKGcrus6Bdd9XppRu5OBPQ/
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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ydVSL = "C:\\Users\\Admin\\AppData\\Roaming\\ydVSL\\ydVSL.exe" iHZsM0uymI3Vg6u.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 97 api.ipify.org 98 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4984 set thread context of 3412 4984 iHZsM0uymI3Vg6u.exe 100 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 3412 iHZsM0uymI3Vg6u.exe 3412 iHZsM0uymI3Vg6u.exe 3412 iHZsM0uymI3Vg6u.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3412 iHZsM0uymI3Vg6u.exe Token: SeManageVolumePrivilege 4876 svchost.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3412 iHZsM0uymI3Vg6u.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4984 wrote to memory of 3412 4984 iHZsM0uymI3Vg6u.exe 100 PID 4984 wrote to memory of 3412 4984 iHZsM0uymI3Vg6u.exe 100 PID 4984 wrote to memory of 3412 4984 iHZsM0uymI3Vg6u.exe 100 PID 4984 wrote to memory of 3412 4984 iHZsM0uymI3Vg6u.exe 100 PID 4984 wrote to memory of 3412 4984 iHZsM0uymI3Vg6u.exe 100 PID 4984 wrote to memory of 3412 4984 iHZsM0uymI3Vg6u.exe 100 PID 4984 wrote to memory of 3412 4984 iHZsM0uymI3Vg6u.exe 100 PID 4984 wrote to memory of 3412 4984 iHZsM0uymI3Vg6u.exe 100
Processes
-
C:\Users\Admin\AppData\Local\Temp\iHZsM0uymI3Vg6u.exe"C:\Users\Admin\AppData\Local\Temp\iHZsM0uymI3Vg6u.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4984 -
C:\Users\Admin\AppData\Local\Temp\iHZsM0uymI3Vg6u.exe"C:\Users\Admin\AppData\Local\Temp\iHZsM0uymI3Vg6u.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3412
-
-
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵PID:1236
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4876
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3