Analysis
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max time kernel
143s -
max time network
93s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
23-05-2024 19:03
Static task
static1
Behavioral task
behavioral1
Sample
6bf725517cae8667409c5b539cd7caa4_JaffaCakes118.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
6bf725517cae8667409c5b539cd7caa4_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
6bf725517cae8667409c5b539cd7caa4_JaffaCakes118.exe
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Size
400KB
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MD5
6bf725517cae8667409c5b539cd7caa4
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SHA1
92a01c0d9056b3859bd722bdcfac687a849d2c6b
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SHA256
6f3662d95219580e6b62a2db3e0a255f3111fe12c668b5695450e50b910089f7
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SHA512
9599f6fe39659943787d8eb5e056bccd2e6c423d0378c6b32cca5c8f4e1e9925ad00b873e34e3c37efec5d952a1f72e2e9b4696cff3f6009c7069dbe666f5420
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SSDEEP
6144:KJZj3XBjlkq27zgxRbWvW6Fy0s4kplyDyMOWTXTLktN:OzZo7cvb8ZA0BrDyMOKTA
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.emilaina.com - Port:
587 - Username:
[email protected] - Password:
#Q1hNgro%i#0
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
Processes:
resource yara_rule behavioral2/memory/3408-208-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Executes dropped EXE 1 IoCs
Processes:
InstallUtil.exepid process 3408 InstallUtil.exe -
Loads dropped DLL 1 IoCs
Processes:
6bf725517cae8667409c5b539cd7caa4_JaffaCakes118.exepid process 4740 6bf725517cae8667409c5b539cd7caa4_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
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
6bf725517cae8667409c5b539cd7caa4_JaffaCakes118.exedescription pid process target process PID 4740 set thread context of 3408 4740 6bf725517cae8667409c5b539cd7caa4_JaffaCakes118.exe InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
6bf725517cae8667409c5b539cd7caa4_JaffaCakes118.exeInstallUtil.exepid process 4740 6bf725517cae8667409c5b539cd7caa4_JaffaCakes118.exe 3408 InstallUtil.exe 3408 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
6bf725517cae8667409c5b539cd7caa4_JaffaCakes118.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 4740 6bf725517cae8667409c5b539cd7caa4_JaffaCakes118.exe Token: SeDebugPrivilege 3408 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
6bf725517cae8667409c5b539cd7caa4_JaffaCakes118.exedescription pid process target process PID 4740 wrote to memory of 3408 4740 6bf725517cae8667409c5b539cd7caa4_JaffaCakes118.exe InstallUtil.exe PID 4740 wrote to memory of 3408 4740 6bf725517cae8667409c5b539cd7caa4_JaffaCakes118.exe InstallUtil.exe PID 4740 wrote to memory of 3408 4740 6bf725517cae8667409c5b539cd7caa4_JaffaCakes118.exe InstallUtil.exe PID 4740 wrote to memory of 3408 4740 6bf725517cae8667409c5b539cd7caa4_JaffaCakes118.exe InstallUtil.exe PID 4740 wrote to memory of 3408 4740 6bf725517cae8667409c5b539cd7caa4_JaffaCakes118.exe InstallUtil.exe PID 4740 wrote to memory of 3408 4740 6bf725517cae8667409c5b539cd7caa4_JaffaCakes118.exe InstallUtil.exe PID 4740 wrote to memory of 3408 4740 6bf725517cae8667409c5b539cd7caa4_JaffaCakes118.exe InstallUtil.exe PID 4740 wrote to memory of 3408 4740 6bf725517cae8667409c5b539cd7caa4_JaffaCakes118.exe InstallUtil.exe -
outlook_office_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6bf725517cae8667409c5b539cd7caa4_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\6bf725517cae8667409c5b539cd7caa4_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exeFilesize
41KB
MD55d4073b2eb6d217c19f2b22f21bf8d57
SHA1f0209900fbf08d004b886a0b3ba33ea2b0bf9da8
SHA256ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3
SHA5129ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159
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C:\Users\Admin\AppData\Local\Temp\a6a0b8a6-4761-4357-9a31-0eca6ad70093\f.dllFilesize
94KB
MD514ff402962ad21b78ae0b4c43cd1f194
SHA1f8a510eb26666e875a5bdd1cadad40602763ad72
SHA256fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b
SHA512daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b
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memory/3408-207-0x0000000074CD0000-0x0000000075480000-memory.dmpFilesize
7.7MB
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memory/3408-208-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3408-209-0x0000000004F70000-0x000000000500C000-memory.dmpFilesize
624KB
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memory/3408-216-0x0000000074CD0000-0x0000000075480000-memory.dmpFilesize
7.7MB
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memory/3408-215-0x0000000006160000-0x000000000616A000-memory.dmpFilesize
40KB
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memory/3408-214-0x00000000061B0000-0x0000000006200000-memory.dmpFilesize
320KB
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memory/3408-213-0x0000000074CD0000-0x0000000075480000-memory.dmpFilesize
7.7MB
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memory/3408-212-0x0000000005BF0000-0x0000000005C56000-memory.dmpFilesize
408KB
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memory/3408-211-0x0000000005330000-0x0000000005348000-memory.dmpFilesize
96KB
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memory/3408-210-0x0000000074CD0000-0x0000000075480000-memory.dmpFilesize
7.7MB
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memory/4740-42-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-22-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-74-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-72-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-68-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-66-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-64-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-62-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-60-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-58-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-56-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-54-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-50-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-48-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-46-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-45-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-70-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-40-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-32-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-30-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-28-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-26-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-24-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-76-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-20-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-18-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-16-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-15-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-14-0x000000006F920000-0x000000006F9A9000-memory.dmpFilesize
548KB
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memory/4740-52-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-38-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-36-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-34-0x00000000028D0000-0x00000000028F5000-memory.dmpFilesize
148KB
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memory/4740-195-0x0000000074CDE000-0x0000000074CDF000-memory.dmpFilesize
4KB
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memory/4740-196-0x0000000074CD0000-0x0000000075480000-memory.dmpFilesize
7.7MB
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memory/4740-197-0x0000000074CD0000-0x0000000075480000-memory.dmpFilesize
7.7MB
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memory/4740-6-0x0000000004F20000-0x0000000004FB2000-memory.dmpFilesize
584KB
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memory/4740-5-0x0000000004E30000-0x0000000004E74000-memory.dmpFilesize
272KB
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memory/4740-4-0x0000000005350000-0x00000000058F4000-memory.dmpFilesize
5.6MB
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memory/4740-3-0x0000000074CD0000-0x0000000075480000-memory.dmpFilesize
7.7MB
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memory/4740-2-0x00000000028D0000-0x00000000028FC000-memory.dmpFilesize
176KB
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memory/4740-1-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/4740-0-0x0000000074CDE000-0x0000000074CDF000-memory.dmpFilesize
4KB
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memory/4740-199-0x0000000074CD0000-0x0000000075480000-memory.dmpFilesize
7.7MB
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memory/4740-200-0x0000000006D00000-0x0000000006D0C000-memory.dmpFilesize
48KB
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memory/4740-206-0x0000000074CD0000-0x0000000075480000-memory.dmpFilesize
7.7MB