Analysis
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max time kernel
147s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
06-05-2024 11:09
Behavioral task
behavioral1
Sample
1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe
Resource
win10v2004-20240419-en
General
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Target
1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe
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Size
895KB
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MD5
1c35b8422e6ad13accb39e4e6a0b00fc
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SHA1
ef1abf8e26b28de0c3d2f17e554dd3b1edbf0253
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SHA256
8d4a01b04439bd4ea04fca05aa078367da91aefea6dbe7b317c3fa16ca9d3354
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SHA512
c4f9400b62bd977828f058acd52e7be13a2138dad81f767badf91b6060927f9b04cf08f64197475f5a1cb4bfd9f0046f6fffe035cfa700659774766c23d9d596
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SSDEEP
12288:CYS1QbvgWK5WpLxieT8n7vSbbiHktlSFyg82MIM+C0q5xQ8w:CxQbvxaW7ijn7vSbb7IQIes
Malware Config
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1948-1-0x0000000001050000-0x0000000001134000-memory.dmp family_agenttesla \Users\Admin\mhje.exe family_agenttesla behavioral1/memory/1724-182-0x0000000001190000-0x0000000001274000-memory.dmp family_agenttesla behavioral1/memory/320-360-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla -
Executes dropped EXE 2 IoCs
Processes:
mhje.exeInstallUtil.exepid process 1724 mhje.exe 320 InstallUtil.exe -
Loads dropped DLL 4 IoCs
Processes:
1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exemhje.exepid process 1948 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1948 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1724 mhje.exe 1724 mhje.exe -
Obfuscated with Agile.Net obfuscator 33 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
Processes:
resource yara_rule behavioral1/memory/1948-2-0x0000000000960000-0x0000000000988000-memory.dmp agile_net behavioral1/memory/1948-32-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-50-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-68-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-72-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-70-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-66-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-64-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-62-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-60-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-58-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-56-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-54-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-52-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-48-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-46-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-44-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-42-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-40-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-38-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-36-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-34-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-30-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-28-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-26-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-24-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-22-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-20-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-18-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-16-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-14-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-12-0x0000000000960000-0x0000000000981000-memory.dmp agile_net behavioral1/memory/1948-11-0x0000000000960000-0x0000000000981000-memory.dmp agile_net -
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-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\nomnx = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\mhje.exe" reg.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
mhje.exedescription pid process target process PID 1724 set thread context of 320 1724 mhje.exe InstallUtil.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exemhje.exeInstallUtil.exepid process 1948 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1948 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1948 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1724 mhje.exe 1724 mhje.exe 1724 mhje.exe 320 InstallUtil.exe 320 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exemhje.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 1948 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe Token: SeDebugPrivilege 1724 mhje.exe Token: SeDebugPrivilege 320 InstallUtil.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
InstallUtil.exepid process 320 InstallUtil.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.execmd.exemhje.exedescription pid process target process PID 1948 wrote to memory of 2832 1948 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe cmd.exe PID 1948 wrote to memory of 2832 1948 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe cmd.exe PID 1948 wrote to memory of 2832 1948 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe cmd.exe PID 1948 wrote to memory of 2832 1948 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe cmd.exe PID 2832 wrote to memory of 2712 2832 cmd.exe reg.exe PID 2832 wrote to memory of 2712 2832 cmd.exe reg.exe PID 2832 wrote to memory of 2712 2832 cmd.exe reg.exe PID 2832 wrote to memory of 2712 2832 cmd.exe reg.exe PID 1948 wrote to memory of 1724 1948 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe mhje.exe PID 1948 wrote to memory of 1724 1948 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe mhje.exe PID 1948 wrote to memory of 1724 1948 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe mhje.exe PID 1948 wrote to memory of 1724 1948 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe mhje.exe PID 1724 wrote to memory of 320 1724 mhje.exe InstallUtil.exe PID 1724 wrote to memory of 320 1724 mhje.exe InstallUtil.exe PID 1724 wrote to memory of 320 1724 mhje.exe InstallUtil.exe PID 1724 wrote to memory of 320 1724 mhje.exe InstallUtil.exe PID 1724 wrote to memory of 320 1724 mhje.exe InstallUtil.exe PID 1724 wrote to memory of 320 1724 mhje.exe InstallUtil.exe PID 1724 wrote to memory of 320 1724 mhje.exe InstallUtil.exe PID 1724 wrote to memory of 320 1724 mhje.exe InstallUtil.exe PID 1724 wrote to memory of 320 1724 mhje.exe InstallUtil.exe PID 1724 wrote to memory of 320 1724 mhje.exe InstallUtil.exe PID 1724 wrote to memory of 320 1724 mhje.exe InstallUtil.exe PID 1724 wrote to memory of 320 1724 mhje.exe InstallUtil.exe -
outlook_office_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\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-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v nomnx /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\mhje.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exeREG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v nomnx /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\mhje.exe"3⤵
- Adds Run key to start application
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C:\Users\Admin\mhje.exe"C:\Users\Admin\mhje.exe"2⤵
- Executes dropped EXE
- 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"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\Temp\InstallUtil.exeFilesize
40KB
MD591c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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\Users\Admin\AppData\Local\Temp\c08e67e7-d17e-42f4-84a8-059771d01a58\AgileDotNetRT.dllFilesize
94KB
MD514ff402962ad21b78ae0b4c43cd1f194
SHA1f8a510eb26666e875a5bdd1cadad40602763ad72
SHA256fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b
SHA512daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b
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\Users\Admin\mhje.exeFilesize
895KB
MD51c35b8422e6ad13accb39e4e6a0b00fc
SHA1ef1abf8e26b28de0c3d2f17e554dd3b1edbf0253
SHA2568d4a01b04439bd4ea04fca05aa078367da91aefea6dbe7b317c3fa16ca9d3354
SHA512c4f9400b62bd977828f058acd52e7be13a2138dad81f767badf91b6060927f9b04cf08f64197475f5a1cb4bfd9f0046f6fffe035cfa700659774766c23d9d596
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memory/320-360-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/1724-344-0x00000000005F0000-0x00000000005FA000-memory.dmpFilesize
40KB
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memory/1724-182-0x0000000001190000-0x0000000001274000-memory.dmpFilesize
912KB
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memory/1948-36-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-28-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-72-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-70-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-66-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-64-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-62-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-60-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-58-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-56-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-54-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-52-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-48-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-46-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-44-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-42-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-40-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-38-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-0-0x00000000748CE000-0x00000000748CF000-memory.dmpFilesize
4KB
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memory/1948-34-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-30-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-68-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-26-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-24-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-22-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-20-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-18-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-16-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-14-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-12-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-11-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-10-0x00000000746C0000-0x0000000074740000-memory.dmpFilesize
512KB
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memory/1948-169-0x00000000748CE000-0x00000000748CF000-memory.dmpFilesize
4KB
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memory/1948-170-0x00000000748C0000-0x0000000074FAE000-memory.dmpFilesize
6.9MB
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memory/1948-172-0x00000000748C0000-0x0000000074FAE000-memory.dmpFilesize
6.9MB
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memory/1948-174-0x00000000748C0000-0x0000000074FAE000-memory.dmpFilesize
6.9MB
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memory/1948-50-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-32-0x0000000000960000-0x0000000000981000-memory.dmpFilesize
132KB
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memory/1948-181-0x00000000748C0000-0x0000000074FAE000-memory.dmpFilesize
6.9MB
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memory/1948-3-0x00000000748C0000-0x0000000074FAE000-memory.dmpFilesize
6.9MB
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memory/1948-2-0x0000000000960000-0x0000000000988000-memory.dmpFilesize
160KB
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memory/1948-1-0x0000000001050000-0x0000000001134000-memory.dmpFilesize
912KB