Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-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 3 IoCs
Processes:
resource yara_rule behavioral2/memory/1648-1-0x0000000000D20000-0x0000000000E04000-memory.dmp family_agenttesla C:\Users\Admin\mhje.exe family_agenttesla behavioral2/memory/4432-379-0x0000000000600000-0x000000000065A000-memory.dmp family_agenttesla -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe -
Executes dropped EXE 2 IoCs
Processes:
mhje.exeInstallUtil.exepid process 4260 mhje.exe 4432 InstallUtil.exe -
Loads dropped DLL 2 IoCs
Processes:
1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exemhje.exepid process 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 4260 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 behavioral2/memory/1648-2-0x00000000056C0000-0x00000000056E8000-memory.dmp agile_net behavioral2/memory/1648-11-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-73-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-71-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-69-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-67-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-65-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-63-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-61-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-59-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-57-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-55-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-53-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-51-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-49-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-46-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-44-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-42-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-40-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-38-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-36-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-34-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-32-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-30-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-28-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-26-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-24-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-22-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-20-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-18-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-16-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-14-0x00000000056C0000-0x00000000056E1000-memory.dmp agile_net behavioral2/memory/1648-12-0x00000000056C0000-0x00000000056E1000-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-1-5-21-17203666-93769886-2545153620-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\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-1-5-21-17203666-93769886-2545153620-1000\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 4260 set thread context of 4432 4260 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 27 IoCs
Processes:
1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exemhje.exeInstallUtil.exepid process 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe 4260 mhje.exe 4260 mhje.exe 4260 mhje.exe 4432 InstallUtil.exe 4432 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exemhje.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe Token: SeDebugPrivilege 4260 mhje.exe Token: SeDebugPrivilege 4432 InstallUtil.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
InstallUtil.exepid process 4432 InstallUtil.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.execmd.exemhje.exedescription pid process target process PID 1648 wrote to memory of 208 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe cmd.exe PID 1648 wrote to memory of 208 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe cmd.exe PID 1648 wrote to memory of 208 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe cmd.exe PID 208 wrote to memory of 3248 208 cmd.exe reg.exe PID 208 wrote to memory of 3248 208 cmd.exe reg.exe PID 208 wrote to memory of 3248 208 cmd.exe reg.exe PID 1648 wrote to memory of 4260 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe mhje.exe PID 1648 wrote to memory of 4260 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe mhje.exe PID 1648 wrote to memory of 4260 1648 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe mhje.exe PID 4260 wrote to memory of 4432 4260 mhje.exe InstallUtil.exe PID 4260 wrote to memory of 4432 4260 mhje.exe InstallUtil.exe PID 4260 wrote to memory of 4432 4260 mhje.exe InstallUtil.exe PID 4260 wrote to memory of 4432 4260 mhje.exe InstallUtil.exe PID 4260 wrote to memory of 4432 4260 mhje.exe InstallUtil.exe PID 4260 wrote to memory of 4432 4260 mhje.exe InstallUtil.exe PID 4260 wrote to memory of 4432 4260 mhje.exe InstallUtil.exe PID 4260 wrote to memory of 4432 4260 mhje.exe InstallUtil.exe -
outlook_office_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\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-1-5-21-17203666-93769886-2545153620-1000\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⤵
- Checks computer location settings
- 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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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exeFilesize
41KB
MD55d4073b2eb6d217c19f2b22f21bf8d57
SHA1f0209900fbf08d004b886a0b3ba33ea2b0bf9da8
SHA256ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3
SHA5129ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159
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C:\Users\Admin\AppData\Local\Temp\c08e67e7-d17e-42f4-84a8-059771d01a58\AgileDotNetRT.dllFilesize
94KB
MD514ff402962ad21b78ae0b4c43cd1f194
SHA1f8a510eb26666e875a5bdd1cadad40602763ad72
SHA256fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b
SHA512daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b
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C:\Users\Admin\mhje.exeFilesize
895KB
MD51c35b8422e6ad13accb39e4e6a0b00fc
SHA1ef1abf8e26b28de0c3d2f17e554dd3b1edbf0253
SHA2568d4a01b04439bd4ea04fca05aa078367da91aefea6dbe7b317c3fa16ca9d3354
SHA512c4f9400b62bd977828f058acd52e7be13a2138dad81f767badf91b6060927f9b04cf08f64197475f5a1cb4bfd9f0046f6fffe035cfa700659774766c23d9d596
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memory/1648-0-0x00000000749BE000-0x00000000749BF000-memory.dmpFilesize
4KB
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memory/1648-1-0x0000000000D20000-0x0000000000E04000-memory.dmpFilesize
912KB
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memory/1648-2-0x00000000056C0000-0x00000000056E8000-memory.dmpFilesize
160KB
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memory/1648-11-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-73-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-71-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-69-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-67-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-65-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-63-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-61-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-59-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-57-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-55-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
-
memory/1648-53-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-51-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-49-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-48-0x00000000749B0000-0x0000000075160000-memory.dmpFilesize
7.7MB
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memory/1648-46-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-44-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-42-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-40-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-38-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-36-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-34-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-32-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
-
memory/1648-30-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
-
memory/1648-28-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
-
memory/1648-26-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-24-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-22-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-20-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-18-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
-
memory/1648-16-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
-
memory/1648-14-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-12-0x00000000056C0000-0x00000000056E1000-memory.dmpFilesize
132KB
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memory/1648-10-0x00000000733C0000-0x0000000073449000-memory.dmpFilesize
548KB
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memory/1648-170-0x00000000749BE000-0x00000000749BF000-memory.dmpFilesize
4KB
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memory/1648-171-0x00000000749B0000-0x0000000075160000-memory.dmpFilesize
7.7MB
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memory/1648-172-0x00000000066E0000-0x0000000006C84000-memory.dmpFilesize
5.6MB
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memory/1648-173-0x0000000006210000-0x00000000062A2000-memory.dmpFilesize
584KB
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memory/1648-174-0x00000000749B0000-0x0000000075160000-memory.dmpFilesize
7.7MB
-
memory/1648-177-0x00000000749B0000-0x0000000075160000-memory.dmpFilesize
7.7MB
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memory/1648-207-0x00000000749B0000-0x0000000075160000-memory.dmpFilesize
7.7MB
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memory/4260-210-0x00000000749B0000-0x0000000075160000-memory.dmpFilesize
7.7MB
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memory/4260-370-0x00000000749B0000-0x0000000075160000-memory.dmpFilesize
7.7MB
-
memory/4260-371-0x00000000749B0000-0x0000000075160000-memory.dmpFilesize
7.7MB
-
memory/4260-372-0x00000000749B0000-0x0000000075160000-memory.dmpFilesize
7.7MB
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memory/4260-373-0x0000000006210000-0x000000000621A000-memory.dmpFilesize
40KB
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memory/4260-380-0x00000000749B0000-0x0000000075160000-memory.dmpFilesize
7.7MB
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memory/4432-379-0x0000000000600000-0x000000000065A000-memory.dmpFilesize
360KB
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memory/4432-381-0x0000000004E00000-0x0000000004E9C000-memory.dmpFilesize
624KB
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memory/4432-382-0x0000000004DB0000-0x0000000004DC8000-memory.dmpFilesize
96KB
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memory/4432-383-0x0000000005310000-0x0000000005376000-memory.dmpFilesize
408KB
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memory/4432-384-0x0000000006160000-0x00000000061B0000-memory.dmpFilesize
320KB
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memory/4432-385-0x0000000006270000-0x000000000627A000-memory.dmpFilesize
40KB