Analysis
-
max time kernel
117s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system -
submitted
13-12-2023 01:02
Static task
static1
Behavioral task
behavioral1
Sample
cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe
Resource
win10v2004-20231127-en
General
-
Target
cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe
-
Size
868KB
-
MD5
cf262eb3fb280d9eb218f99c724437ce
-
SHA1
ae94b55f84ddf2509d020ef59f7b81c04c524443
-
SHA256
cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec
-
SHA512
91019817d84976bbb1d651212b00f741e80aa3b57edfceba093c8ab7f2e27f24a49edadb968dffc21e432395933e34e74d628ff5cb69266702c054dce45cf566
-
SSDEEP
12288:0WyzRXfVVacmd2nTDxoxOFR5Lp5KjpuSkbdeBPzzQ8xH0g:nyzR9VTmdKTDWxOdYpQpe
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
xySnlUr9 - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Detect ZGRat V1 35 IoCs
Processes:
resource yara_rule behavioral1/memory/1656-2-0x0000000000D30000-0x0000000000DD8000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-3-0x0000000004B80000-0x0000000004BC0000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-4-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-5-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-7-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-9-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-11-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-13-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-15-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-17-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-19-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-21-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-23-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-25-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-27-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-29-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-31-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-33-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-35-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-37-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-39-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-41-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-43-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-45-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-47-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-49-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-51-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-53-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-55-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-57-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-59-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-61-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-63-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-65-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 behavioral1/memory/1656-67-0x0000000000D30000-0x0000000000DD2000-memory.dmp family_zgrat_v1 -
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:
cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Windows\CurrentVersion\Run\mYdNQj = "C:\\Users\\Admin\\AppData\\Roaming\\mYdNQj\\mYdNQj.exe" cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.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.
Processes:
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exedescription pid process target process PID 1656 set thread context of 2456 1656 cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exepid process 2456 cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe 2456 cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.execbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exedescription pid process Token: SeDebugPrivilege 1656 cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe Token: SeDebugPrivilege 2456 cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exepid process 2456 cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exedescription pid process target process PID 1656 wrote to memory of 2456 1656 cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe PID 1656 wrote to memory of 2456 1656 cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe PID 1656 wrote to memory of 2456 1656 cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe PID 1656 wrote to memory of 2456 1656 cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe PID 1656 wrote to memory of 2456 1656 cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe PID 1656 wrote to memory of 2456 1656 cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe PID 1656 wrote to memory of 2456 1656 cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe PID 1656 wrote to memory of 2456 1656 cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe PID 1656 wrote to memory of 2456 1656 cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe"C:\Users\Admin\AppData\Local\Temp\cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Users\Admin\AppData\Local\Temp\cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exeC:\Users\Admin\AppData\Local\Temp\cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2456