Analysis
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max time kernel
69s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 18:57
Static task
static1
Behavioral task
behavioral1
Sample
SSCN_12462020pdf.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
SSCN_12462020pdf.exe
Resource
win10v2004-20220414-en
General
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Target
SSCN_12462020pdf.exe
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Size
444KB
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MD5
33d17dffd1221cd066f45811323b44b1
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SHA1
4412bb573391d3466ba49d0d0451d0bb73b245c8
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SHA256
ba2937327a241e543cddc12d8c1648db557d5408cc4fe8d06a5261d2d96896ca
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SHA512
b7f6c51325171a8d3d6b89c07ebf6715f74ba4fa19bd62f781719c540494a18c0c659301957b34c6bce4ea5f7cf837fe6f299d7a56d8f97e2cc54bd62b3ae8dd
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
secure231.servconfig.com - Port:
587 - Username:
info@eltaef.com - Password:
eltaefSH6548883
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1252-61-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1252-63-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1252-62-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1252-64-0x000000000044CB2E-mapping.dmp family_agenttesla behavioral1/memory/1252-66-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1252-68-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
SSCN_12462020pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SSCN_12462020pdf.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SSCN_12462020pdf.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SSCN_12462020pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SSCN_12462020pdf.exedescription pid process target process PID 948 set thread context of 1252 948 SSCN_12462020pdf.exe SSCN_12462020pdf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
SSCN_12462020pdf.exeSSCN_12462020pdf.exepid process 948 SSCN_12462020pdf.exe 948 SSCN_12462020pdf.exe 948 SSCN_12462020pdf.exe 948 SSCN_12462020pdf.exe 948 SSCN_12462020pdf.exe 1252 SSCN_12462020pdf.exe 1252 SSCN_12462020pdf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
SSCN_12462020pdf.exeSSCN_12462020pdf.exedescription pid process Token: SeDebugPrivilege 948 SSCN_12462020pdf.exe Token: SeDebugPrivilege 1252 SSCN_12462020pdf.exe -
Suspicious use of WriteProcessMemory 25 IoCs
Processes:
SSCN_12462020pdf.exeSSCN_12462020pdf.exedescription pid process target process PID 948 wrote to memory of 2004 948 SSCN_12462020pdf.exe schtasks.exe PID 948 wrote to memory of 2004 948 SSCN_12462020pdf.exe schtasks.exe PID 948 wrote to memory of 2004 948 SSCN_12462020pdf.exe schtasks.exe PID 948 wrote to memory of 2004 948 SSCN_12462020pdf.exe schtasks.exe PID 948 wrote to memory of 1112 948 SSCN_12462020pdf.exe SSCN_12462020pdf.exe PID 948 wrote to memory of 1112 948 SSCN_12462020pdf.exe SSCN_12462020pdf.exe PID 948 wrote to memory of 1112 948 SSCN_12462020pdf.exe SSCN_12462020pdf.exe PID 948 wrote to memory of 1112 948 SSCN_12462020pdf.exe SSCN_12462020pdf.exe PID 948 wrote to memory of 1244 948 SSCN_12462020pdf.exe SSCN_12462020pdf.exe PID 948 wrote to memory of 1244 948 SSCN_12462020pdf.exe SSCN_12462020pdf.exe PID 948 wrote to memory of 1244 948 SSCN_12462020pdf.exe SSCN_12462020pdf.exe PID 948 wrote to memory of 1244 948 SSCN_12462020pdf.exe SSCN_12462020pdf.exe PID 948 wrote to memory of 1252 948 SSCN_12462020pdf.exe SSCN_12462020pdf.exe PID 948 wrote to memory of 1252 948 SSCN_12462020pdf.exe SSCN_12462020pdf.exe PID 948 wrote to memory of 1252 948 SSCN_12462020pdf.exe SSCN_12462020pdf.exe PID 948 wrote to memory of 1252 948 SSCN_12462020pdf.exe SSCN_12462020pdf.exe PID 948 wrote to memory of 1252 948 SSCN_12462020pdf.exe SSCN_12462020pdf.exe PID 948 wrote to memory of 1252 948 SSCN_12462020pdf.exe SSCN_12462020pdf.exe PID 948 wrote to memory of 1252 948 SSCN_12462020pdf.exe SSCN_12462020pdf.exe PID 948 wrote to memory of 1252 948 SSCN_12462020pdf.exe SSCN_12462020pdf.exe PID 948 wrote to memory of 1252 948 SSCN_12462020pdf.exe SSCN_12462020pdf.exe PID 1252 wrote to memory of 840 1252 SSCN_12462020pdf.exe netsh.exe PID 1252 wrote to memory of 840 1252 SSCN_12462020pdf.exe netsh.exe PID 1252 wrote to memory of 840 1252 SSCN_12462020pdf.exe netsh.exe PID 1252 wrote to memory of 840 1252 SSCN_12462020pdf.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
SSCN_12462020pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SSCN_12462020pdf.exe -
outlook_win_path 1 IoCs
Processes:
SSCN_12462020pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SSCN_12462020pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SSCN_12462020pdf.exe"C:\Users\Admin\AppData\Local\Temp\SSCN_12462020pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XkNVCBG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDB8.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SSCN_12462020pdf.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\SSCN_12462020pdf.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\SSCN_12462020pdf.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpDB8.tmpFilesize
1KB
MD5860add37e21ae9ad8c82247c6e65bef1
SHA1ebf05faed730fa6b86be356f3c2b47615ed75173
SHA2569e2bd6d74bab3d16381586923f18d1d46f317f35f131559a696f6f8925f5ef85
SHA512f7564718e791559eb3b4539f8000076839c911e73991fcbed8c2f0ded404f56ebb3ba6267e1d4dfba2c8a79e732919c931728d588dc6f11d2c03c61727dc2d5a
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memory/840-71-0x0000000000000000-mapping.dmp
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memory/948-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmpFilesize
8KB
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memory/948-55-0x0000000074970000-0x0000000074F1B000-memory.dmpFilesize
5.7MB
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memory/1252-61-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1252-59-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1252-58-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1252-63-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1252-62-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1252-64-0x000000000044CB2E-mapping.dmp
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memory/1252-66-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1252-68-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1252-70-0x0000000074970000-0x0000000074F1B000-memory.dmpFilesize
5.7MB
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memory/2004-56-0x0000000000000000-mapping.dmp