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Analysis
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max time kernel
137s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
05/01/2025, 06:24
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe
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Size
952KB
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MD5
9113e90180121aef04bce6f955abcd3f
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SHA1
083ccca74257bafc6547a6e4bcb9b3c59703c076
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SHA256
74cf0cd3c6d97651a240bdcadef58f88a9f56e06ceaf9b247777a023a81583b4
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SHA512
ff67d25b1f9c8c917b18a982f195c98e14ad2a5073fc4b99b90e363bf61c450162ed19a61620a3ab1473670f4d2beb96d913cc1d78620c09ba51f002b81dc256
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SSDEEP
12288:1+Txbat6yWIWEYeozu38EF3FfC4f3R9fGUhG3xCVITuREvqkxQWXQJixJ8nitW9a:qC6yaEVK5w9uwG
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.dm-teh.com - Port:
587 - Username:
[email protected] - Password:
Vm@(O;CO.vEQ - Email To:
[email protected]
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 5 IoCs
resource yara_rule behavioral1/memory/3016-14-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/3016-16-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/3016-20-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/3016-25-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/3016-23-0x0000000000400000-0x000000000043C000-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 JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe Key opened \Registry\Machine\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Custom\InstallUtil.exe JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe -
Executes dropped EXE 1 IoCs
pid Process 3016 InstallUtil.exe -
Loads dropped DLL 1 IoCs
pid Process 1740 JaffaCakes118_9113e90180121aef04bce6f955abcd3f.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1740 set thread context of 3016 1740 JaffaCakes118_9113e90180121aef04bce6f955abcd3f.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 JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1740 JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe 3016 InstallUtil.exe 3016 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1740 JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe Token: SeDebugPrivilege 3016 InstallUtil.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1740 wrote to memory of 3016 1740 JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe 30 PID 1740 wrote to memory of 3016 1740 JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe 30 PID 1740 wrote to memory of 3016 1740 JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe 30 PID 1740 wrote to memory of 3016 1740 JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe 30 PID 1740 wrote to memory of 3016 1740 JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe 30 PID 1740 wrote to memory of 3016 1740 JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe 30 PID 1740 wrote to memory of 3016 1740 JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe 30 PID 1740 wrote to memory of 3016 1740 JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe 30 PID 1740 wrote to memory of 3016 1740 JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe 30 PID 1740 wrote to memory of 3016 1740 JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe 30 PID 1740 wrote to memory of 3016 1740 JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe 30 PID 1740 wrote to memory of 3016 1740 JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9113e90180121aef04bce6f955abcd3f.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9113e90180121aef04bce6f955abcd3f.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:1740 -
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:3016
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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