Analysis
-
max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
30/04/2024, 18:05
Static task
static1
Behavioral task
behavioral1
Sample
Invoice # 2357.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Invoice # 2357.exe
Resource
win10v2004-20240419-en
General
-
Target
Invoice # 2357.exe
-
Size
573KB
-
MD5
100db370d21c6125afd6d3358d100860
-
SHA1
cb7a55063bcad757c98db289720b79cc127e8c55
-
SHA256
60cec2b7e0df1c0b13e6b636ae979b2e6abb5e567a62326bf36c73c84a348636
-
SHA512
a9ea18c130358aae6d5516f765a09c1325a25237ab27aff1656b2e774aa81506e0d397190b3a9456c77e638da630ddd0618e6f56c68531ccbe9b3b3dd1213669
-
SSDEEP
12288:lfKDRvpATCjwb5PpJYuFAVM8YyoCP7r9r/+ppppppppppppppppppppppppppppd:EbATvRpJT8YZC1q
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot7185592808:AAH40VecOIxIokAMjd2dL-3MoQxpbXJyxfE/
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-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\yKvZH = "C:\\Users\\Admin\\AppData\\Roaming\\yKvZH\\yKvZH.exe" Invoice # 2357.exe -
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 4 api.ipify.org 5 api.ipify.org 6 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1444 set thread context of 2376 1444 Invoice # 2357.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2376 Invoice # 2357.exe 2376 Invoice # 2357.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2376 Invoice # 2357.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2376 Invoice # 2357.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1444 wrote to memory of 2376 1444 Invoice # 2357.exe 28 PID 1444 wrote to memory of 2376 1444 Invoice # 2357.exe 28 PID 1444 wrote to memory of 2376 1444 Invoice # 2357.exe 28 PID 1444 wrote to memory of 2376 1444 Invoice # 2357.exe 28 PID 1444 wrote to memory of 2376 1444 Invoice # 2357.exe 28 PID 1444 wrote to memory of 2376 1444 Invoice # 2357.exe 28 PID 1444 wrote to memory of 2376 1444 Invoice # 2357.exe 28 PID 1444 wrote to memory of 2376 1444 Invoice # 2357.exe 28 PID 1444 wrote to memory of 2376 1444 Invoice # 2357.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\Invoice # 2357.exe"C:\Users\Admin\AppData\Local\Temp\Invoice # 2357.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1444 -
C:\Users\Admin\AppData\Local\Temp\Invoice # 2357.exe"C:\Users\Admin\AppData\Local\Temp\Invoice # 2357.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2376
-