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Analysis
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max time kernel
140s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
24/11/2024, 01:20
Static task
static1
Behavioral task
behavioral1
Sample
f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/upspw.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/upspw.dll
Resource
win10v2004-20241007-en
General
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Target
f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe
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Size
338KB
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MD5
781968940e3788a419f1db320472796b
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SHA1
8949d32f1858d7f4a79181e6be535909ba67e1de
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SHA256
f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35
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SHA512
bfbf5df9cc2c0b83eb791049584372d157843f3c2b758d5e4f143bb562bd0cfbcc43b364650d6652abe19688709751db408d64d266de239e16db40da8fcd0eeb
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SSDEEP
6144:GBlL/4n4Q8MVKa1l3gTt0elaeTRz6WIPvryDI9cmd4baqo4MyWCy:EKr9yx0ITt6JmDRy4ba6WCy
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot1948592798:AAEPqwEad_OoXqml68rtg1qHOajQ46ljm48/sendDocument
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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AgentTesla payload 4 IoCs
resource yara_rule behavioral1/memory/2820-9-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2820-11-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2820-12-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2820-13-0x0000000001E50000-0x0000000001E8C000-memory.dmp family_agenttesla -
Loads dropped DLL 1 IoCs
pid Process 2700 f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe -
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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2700 set thread context of 2820 2700 f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe 30 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2820 f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe 2820 f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2820 f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2700 wrote to memory of 2820 2700 f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe 30 PID 2700 wrote to memory of 2820 2700 f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe 30 PID 2700 wrote to memory of 2820 2700 f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe 30 PID 2700 wrote to memory of 2820 2700 f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe 30 PID 2700 wrote to memory of 2820 2700 f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe 30 PID 2700 wrote to memory of 2820 2700 f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe 30 PID 2700 wrote to memory of 2820 2700 f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe 30 PID 2700 wrote to memory of 2820 2700 f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe 30 PID 2700 wrote to memory of 2820 2700 f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe 30 PID 2700 wrote to memory of 2820 2700 f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe 30 PID 2700 wrote to memory of 2820 2700 f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe"C:\Users\Admin\AppData\Local\Temp\f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2700 -
C:\Users\Admin\AppData\Local\Temp\f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe"C:\Users\Admin\AppData\Local\Temp\f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2820
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
5Credentials In Files
4Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
20KB
MD50f91acfbdd02bae9c793e8e8a4b70c95
SHA178e61c3a75786e9667f299d99509b0d10e1860fc
SHA256cae5f924fa04faa67dd7033706ee6af0e045c91b2e2d10c03cd45182a9b3da31
SHA512f9ae967537378efb79b9d43e9b987903137d5f0643bb39379284e68d51028ac8c4cf6652bf8019f6de77834095c127b6281a84a4f98e574d889197fec582b479