Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20-09-2024 16:35
Static task
static1
Behavioral task
behavioral1
Sample
edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe
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Size
378KB
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MD5
edff585d4793c8d312195a07fa377c58
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SHA1
c16a7e3f52afc2c3927db875df3bec7d6d835344
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SHA256
6e427ef05ea69011294442225137a849c1a5c70234529dc8c60b798b5d108781
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SHA512
5268c202983e9e8f420c2349d97b8c054ea9e9100fd8b436ba904c165ba0d34f11c9ced69935530fa396c38a08ca1b2c8367157b49855aedb80ced92c3c85589
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SSDEEP
6144:bcVn8Y/2+3x5spUN1yY0zyZgkoqn9onD4EpvurP:Q58WhWmNEYOyekx9onD4Ehu7
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/408-217-0x0000000000400000-0x0000000000436000-memory.dmp family_agenttesla -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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 edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe Key opened \Registry\Machine\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Custom\InstallUtil.exe edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 408 InstallUtil.exe -
Loads dropped DLL 2 IoCs
pid Process 2756 edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe 2756 edff585d4793c8d312195a07fa377c58_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 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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2756 set thread context of 408 2756 edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe 31 -
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 edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2756 edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe 408 InstallUtil.exe 408 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2756 edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe Token: SeDebugPrivilege 408 InstallUtil.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2756 wrote to memory of 408 2756 edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe 31 PID 2756 wrote to memory of 408 2756 edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe 31 PID 2756 wrote to memory of 408 2756 edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe 31 PID 2756 wrote to memory of 408 2756 edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe 31 PID 2756 wrote to memory of 408 2756 edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe 31 PID 2756 wrote to memory of 408 2756 edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe 31 PID 2756 wrote to memory of 408 2756 edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe 31 PID 2756 wrote to memory of 408 2756 edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe 31 PID 2756 wrote to memory of 408 2756 edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe 31 PID 2756 wrote to memory of 408 2756 edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe 31 PID 2756 wrote to memory of 408 2756 edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe 31 PID 2756 wrote to memory of 408 2756 edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe 31 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\edff585d4793c8d312195a07fa377c58_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\edff585d4793c8d312195a07fa377c58_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:2756 -
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:408
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
94KB
MD514ff402962ad21b78ae0b4c43cd1f194
SHA1f8a510eb26666e875a5bdd1cadad40602763ad72
SHA256fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b
SHA512daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b
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Filesize
40KB
MD591c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e