Analysis
-
max time kernel
84s -
max time network
53s -
platform
windows7_x64 -
resource
win7 -
submitted
10-07-2020 05:08
Static task
static1
Behavioral task
behavioral1
Sample
invoice copy.pdf.exe
Resource
win7
Behavioral task
behavioral2
Sample
invoice copy.pdf.exe
Resource
win10v200430
General
-
Target
invoice copy.pdf.exe
-
Size
555KB
-
MD5
08da5cb8effb83a1bfc20d4211960ddb
-
SHA1
48e27634adf28e5f88484d4a9b51613f01263d16
-
SHA256
963187e0780a5447539322536555e2e3898d85dfb6762e6f63d2bc634d6fa6c7
-
SHA512
321264e2615098be16f79206997a29087a495d4c1e351b495fed9cf83672fc1f9e304f4aa0fe3f0b247f23627eea0380961201bf9cbf1f0ef6ae57570f148a28
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
chibuikelightwork1
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1372-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1372-3-0x0000000000446B9E-mapping.dmp family_agenttesla behavioral1/memory/1372-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1372-5-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
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.
-
Suspicious use of SetThreadContext 1 IoCs
Processes:
invoice copy.pdf.exedescription pid process target process PID 1156 set thread context of 1372 1156 invoice copy.pdf.exe invoice copy.pdf.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
invoice copy.pdf.exepid process 1372 invoice copy.pdf.exe 1372 invoice copy.pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
invoice copy.pdf.exedescription pid process Token: SeDebugPrivilege 1372 invoice copy.pdf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
invoice copy.pdf.exepid process 1372 invoice copy.pdf.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
invoice copy.pdf.exedescription pid process target process PID 1156 wrote to memory of 1372 1156 invoice copy.pdf.exe invoice copy.pdf.exe PID 1156 wrote to memory of 1372 1156 invoice copy.pdf.exe invoice copy.pdf.exe PID 1156 wrote to memory of 1372 1156 invoice copy.pdf.exe invoice copy.pdf.exe PID 1156 wrote to memory of 1372 1156 invoice copy.pdf.exe invoice copy.pdf.exe PID 1156 wrote to memory of 1372 1156 invoice copy.pdf.exe invoice copy.pdf.exe PID 1156 wrote to memory of 1372 1156 invoice copy.pdf.exe invoice copy.pdf.exe PID 1156 wrote to memory of 1372 1156 invoice copy.pdf.exe invoice copy.pdf.exe PID 1156 wrote to memory of 1372 1156 invoice copy.pdf.exe invoice copy.pdf.exe PID 1156 wrote to memory of 1372 1156 invoice copy.pdf.exe invoice copy.pdf.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\invoice copy.pdf.exe"C:\Users\Admin\AppData\Local\Temp\invoice copy.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1156 -
C:\Users\Admin\AppData\Local\Temp\invoice copy.pdf.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1372