Analysis
-
max time kernel
150s -
max time network
127s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
19-10-2021 09:51
Static task
static1
Behavioral task
behavioral1
Sample
payment report.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
payment report.exe
Resource
win10-en-20210920
General
-
Target
payment report.exe
-
Size
450KB
-
MD5
1f5fc6b5705f02547b22f321de7e246c
-
SHA1
5145b4acd60311d02630d0981c23699485ec58d0
-
SHA256
f267d7b1aaf24adf016af932c069abebf8789bf864b56c9b9e81d51d8c3d23c2
-
SHA512
58af42103606c48b67f55ebb2f70c66c0d2d2f25556aa118b657635bdcec2b22c7784e8ea4386074afa147fa7bd7fe94aae680e3c78e3ed5c1eae0d4b050ad68
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.sautiyapwanifm.com - Port:
587 - Username:
[email protected] - Password:
Uwada12345
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/576-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/576-64-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/576-65-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/576-66-0x000000000043763E-mapping.dmp family_agenttesla behavioral1/memory/576-67-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
payment report.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts payment report.exe -
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.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
payment report.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 payment report.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 payment report.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 payment report.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
payment report.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe" payment report.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
payment report.exedescription pid process target process PID 612 set thread context of 576 612 payment report.exe payment report.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
payment report.exepayment report.exepid process 612 payment report.exe 612 payment report.exe 612 payment report.exe 612 payment report.exe 612 payment report.exe 612 payment report.exe 576 payment report.exe 576 payment report.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
payment report.exepayment report.exedescription pid process Token: SeDebugPrivilege 612 payment report.exe Token: SeDebugPrivilege 576 payment report.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
payment report.exepid process 576 payment report.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
payment report.exedescription pid process target process PID 612 wrote to memory of 1056 612 payment report.exe schtasks.exe PID 612 wrote to memory of 1056 612 payment report.exe schtasks.exe PID 612 wrote to memory of 1056 612 payment report.exe schtasks.exe PID 612 wrote to memory of 1056 612 payment report.exe schtasks.exe PID 612 wrote to memory of 576 612 payment report.exe payment report.exe PID 612 wrote to memory of 576 612 payment report.exe payment report.exe PID 612 wrote to memory of 576 612 payment report.exe payment report.exe PID 612 wrote to memory of 576 612 payment report.exe payment report.exe PID 612 wrote to memory of 576 612 payment report.exe payment report.exe PID 612 wrote to memory of 576 612 payment report.exe payment report.exe PID 612 wrote to memory of 576 612 payment report.exe payment report.exe PID 612 wrote to memory of 576 612 payment report.exe payment report.exe PID 612 wrote to memory of 576 612 payment report.exe payment report.exe -
outlook_office_path 1 IoCs
Processes:
payment report.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 payment report.exe -
outlook_win_path 1 IoCs
Processes:
payment report.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 payment report.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\payment report.exe"C:\Users\Admin\AppData\Local\Temp\payment report.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NloWGThpQBccP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9CDB.tmp"2⤵
- Creates scheduled task(s)
-
C:\Users\Admin\AppData\Local\Temp\payment report.exe"C:\Users\Admin\AppData\Local\Temp\payment report.exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/576-64-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
-
memory/576-65-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
-
memory/576-70-0x00000000005E1000-0x00000000005E2000-memory.dmpFilesize
4KB
-
memory/576-69-0x00000000005E0000-0x00000000005E1000-memory.dmpFilesize
4KB
-
memory/576-67-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
-
memory/576-66-0x000000000043763E-mapping.dmp
-
memory/576-62-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
-
memory/576-63-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
-
memory/576-61-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
-
memory/612-54-0x0000000000EF0000-0x0000000000EF1000-memory.dmpFilesize
4KB
-
memory/612-56-0x0000000075651000-0x0000000075653000-memory.dmpFilesize
8KB
-
memory/612-59-0x0000000005000000-0x0000000005058000-memory.dmpFilesize
352KB
-
memory/612-58-0x0000000000370000-0x0000000000378000-memory.dmpFilesize
32KB
-
memory/612-57-0x0000000004C80000-0x0000000004C81000-memory.dmpFilesize
4KB
-
memory/1056-60-0x0000000000000000-mapping.dmp