Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
26-09-2024 05:42
Static task
static1
Behavioral task
behavioral1
Sample
f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe
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Size
431KB
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MD5
f7b17bb57612e00afb7f7c10b23fba8d
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SHA1
9a1a359906db1cdec9a2538cb5a6956985384bf3
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SHA256
ca5571dd39e2f7364b198e5d3a7a6fa034edb8c06d4c9ea2e96041f3e53196d9
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SHA512
a20d842b62fbf9f7aeb2a05d3b9726ce6e0112f03b72c885e3d1af087f38652ff19098abc1a7debb15267de9d92e53d36a4ae61d00a31e888f9316a6041c3700
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SSDEEP
6144:J5iXq4NYHjLS1hxUeYALIfv7vIVVxJ10C7zd6J8alAJC+C0:Ox2HUhOeYALI3TIjxrTzeXc
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.1and1.es - Port:
587 - Username:
[email protected] - Password:
elsecreto2019
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 1 IoCs
resource yara_rule behavioral1/memory/2044-223-0x0000000000090000-0x00000000000C6000-memory.dmp family_agenttesla -
System Binary Proxy Execution: InstallUtil 1 TTPs 2 IoCs
Abuse InstallUtil to proxy execution of malicious code.
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe Key opened \Registry\Machine\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Custom\InstallUtil.exe f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 2044 InstallUtil.exe -
Loads dropped DLL 2 IoCs
pid Process 2292 f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe 2292 f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2292 set thread context of 2044 2292 f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe 30 -
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 f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2292 f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe 2044 InstallUtil.exe 2044 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2292 f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe Token: SeDebugPrivilege 2044 InstallUtil.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2292 wrote to memory of 2044 2292 f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe 30 PID 2292 wrote to memory of 2044 2292 f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe 30 PID 2292 wrote to memory of 2044 2292 f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe 30 PID 2292 wrote to memory of 2044 2292 f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe 30 PID 2292 wrote to memory of 2044 2292 f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe 30 PID 2292 wrote to memory of 2044 2292 f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe 30 PID 2292 wrote to memory of 2044 2292 f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe 30 PID 2292 wrote to memory of 2044 2292 f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe 30 PID 2292 wrote to memory of 2044 2292 f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe 30 PID 2292 wrote to memory of 2044 2292 f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe 30 PID 2292 wrote to memory of 2044 2292 f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe 30 PID 2292 wrote to memory of 2044 2292 f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118.exe"1⤵
- System Binary Proxy Execution: InstallUtil
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2292 -
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2044
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
40KB
MD591c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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Filesize
94KB
MD514ff402962ad21b78ae0b4c43cd1f194
SHA1f8a510eb26666e875a5bdd1cadad40602763ad72
SHA256fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b
SHA512daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b