Analysis
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max time kernel
131s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
16-09-2024 01:09
Static task
static1
Behavioral task
behavioral1
Sample
e3ba889043c33b96539877576d522a5a_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e3ba889043c33b96539877576d522a5a_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
e3ba889043c33b96539877576d522a5a_JaffaCakes118.exe
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Size
512KB
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MD5
e3ba889043c33b96539877576d522a5a
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SHA1
6625d4b0a609a1451d3fe0acd2ac968d57ccc606
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SHA256
364d8b3cb5c81c0594182b85e9e61c971773300e29b8585cc5c9950e7fb64acd
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SHA512
36717b39ed770da3b9140ad91814ac86527d4a565807f42dd297896289c34ad960e77427d8f9f30d90380e420bf32ea3b1ff16d3e5341e0ba5e452c1dd0977d0
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SSDEEP
6144:qqVn8Y/2+3x5spUN1yY0zyZfaYTUCp7UjWFZBrrGqM+KkS+:n58WhWmNEYOytB4snjG7+v
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
H6i#@566I11i
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/904-404-0x0000000000400000-0x000000000043C000-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 Key opened \Registry\Machine\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Custom\InstallUtil.exe hpsgu.exe File created C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe e3ba889043c33b96539877576d522a5a_JaffaCakes118.exe -
Executes dropped EXE 2 IoCs
pid Process 1984 hpsgu.exe 904 InstallUtil.exe -
Loads dropped DLL 4 IoCs
pid Process 1732 e3ba889043c33b96539877576d522a5a_JaffaCakes118.exe 1732 e3ba889043c33b96539877576d522a5a_JaffaCakes118.exe 1984 hpsgu.exe 1984 hpsgu.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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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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\mocfj.exe = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\hpsgu.exe" reg.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1984 set thread context of 904 1984 hpsgu.exe 35 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 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 hpsgu.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e3ba889043c33b96539877576d522a5a_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 1732 e3ba889043c33b96539877576d522a5a_JaffaCakes118.exe 1732 e3ba889043c33b96539877576d522a5a_JaffaCakes118.exe 1732 e3ba889043c33b96539877576d522a5a_JaffaCakes118.exe 1732 e3ba889043c33b96539877576d522a5a_JaffaCakes118.exe 1984 hpsgu.exe 904 InstallUtil.exe 904 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1732 e3ba889043c33b96539877576d522a5a_JaffaCakes118.exe Token: SeDebugPrivilege 1984 hpsgu.exe Token: SeDebugPrivilege 904 InstallUtil.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 904 InstallUtil.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1732 wrote to memory of 2052 1732 e3ba889043c33b96539877576d522a5a_JaffaCakes118.exe 31 PID 1732 wrote to memory of 2052 1732 e3ba889043c33b96539877576d522a5a_JaffaCakes118.exe 31 PID 1732 wrote to memory of 2052 1732 e3ba889043c33b96539877576d522a5a_JaffaCakes118.exe 31 PID 1732 wrote to memory of 2052 1732 e3ba889043c33b96539877576d522a5a_JaffaCakes118.exe 31 PID 2052 wrote to memory of 2484 2052 cmd.exe 33 PID 2052 wrote to memory of 2484 2052 cmd.exe 33 PID 2052 wrote to memory of 2484 2052 cmd.exe 33 PID 2052 wrote to memory of 2484 2052 cmd.exe 33 PID 1732 wrote to memory of 1984 1732 e3ba889043c33b96539877576d522a5a_JaffaCakes118.exe 34 PID 1732 wrote to memory of 1984 1732 e3ba889043c33b96539877576d522a5a_JaffaCakes118.exe 34 PID 1732 wrote to memory of 1984 1732 e3ba889043c33b96539877576d522a5a_JaffaCakes118.exe 34 PID 1732 wrote to memory of 1984 1732 e3ba889043c33b96539877576d522a5a_JaffaCakes118.exe 34 PID 1984 wrote to memory of 904 1984 hpsgu.exe 35 PID 1984 wrote to memory of 904 1984 hpsgu.exe 35 PID 1984 wrote to memory of 904 1984 hpsgu.exe 35 PID 1984 wrote to memory of 904 1984 hpsgu.exe 35 PID 1984 wrote to memory of 904 1984 hpsgu.exe 35 PID 1984 wrote to memory of 904 1984 hpsgu.exe 35 PID 1984 wrote to memory of 904 1984 hpsgu.exe 35 PID 1984 wrote to memory of 904 1984 hpsgu.exe 35 PID 1984 wrote to memory of 904 1984 hpsgu.exe 35 PID 1984 wrote to memory of 904 1984 hpsgu.exe 35 PID 1984 wrote to memory of 904 1984 hpsgu.exe 35 PID 1984 wrote to memory of 904 1984 hpsgu.exe 35 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e3ba889043c33b96539877576d522a5a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e3ba889043c33b96539877576d522a5a_JaffaCakes118.exe"1⤵
- System Binary Proxy Execution: InstallUtil
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1732 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v mocfj.exe /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\hpsgu.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Windows\SysWOW64\reg.exeREG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v mocfj.exe /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\hpsgu.exe"3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:2484
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C:\Users\Admin\hpsgu.exe"C:\Users\Admin\hpsgu.exe"2⤵
- System Binary Proxy Execution: InstallUtil
- Executes dropped EXE
- 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:1984 -
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:904
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
5Credentials In Files
4Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
512KB
MD5e3ba889043c33b96539877576d522a5a
SHA16625d4b0a609a1451d3fe0acd2ac968d57ccc606
SHA256364d8b3cb5c81c0594182b85e9e61c971773300e29b8585cc5c9950e7fb64acd
SHA51236717b39ed770da3b9140ad91814ac86527d4a565807f42dd297896289c34ad960e77427d8f9f30d90380e420bf32ea3b1ff16d3e5341e0ba5e452c1dd0977d0
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Filesize
94KB
MD514ff402962ad21b78ae0b4c43cd1f194
SHA1f8a510eb26666e875a5bdd1cadad40602763ad72
SHA256fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b
SHA512daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b
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Filesize
40KB
MD591c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e