Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
23-05-2024 02:51
Static task
static1
Behavioral task
behavioral1
Sample
6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exe
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Size
507KB
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MD5
6980980015bf2879806ecb4f6b0283a6
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SHA1
3ef57b0a363ef8510fb33f8d5361e227434e2cdc
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SHA256
cda2bc8793f428548fdccdc6ddcbb1316cb4c38cedce86269c670b9d8d94c689
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SHA512
afec4463cb0ebf77f9b60b222e8f7fa565cc80c0bed75e6184b56ebbde813ac4b9e573aa50235cd33949b3e20684f685cef763a04d1eb1a39bd81abac76c5c41
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SSDEEP
12288:g1oaO2uU5JkCtKnPI696f7hGGxp3Lik3Ox3FYGGT:g1oa1JJ4PT6ThGGxpb7OxV
Malware Config
Signatures
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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:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegAsm.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\Hibernia Corp = "C:\\Users\\Admin\\AppData\\Roaming\\Hibernia Corp\\Hibernia Corp.exe" RegAsm.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 2 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exedescription pid process target process PID 1704 set thread context of 2828 1704 6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegAsm.exepid process 2828 RegAsm.exe 2828 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exeRegAsm.exedescription pid process Token: SeDebugPrivilege 1704 6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exe Token: SeDebugPrivilege 2828 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid process 2828 RegAsm.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exedescription pid process target process PID 1704 wrote to memory of 2828 1704 6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exe RegAsm.exe PID 1704 wrote to memory of 2828 1704 6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exe RegAsm.exe PID 1704 wrote to memory of 2828 1704 6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exe RegAsm.exe PID 1704 wrote to memory of 2828 1704 6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exe RegAsm.exe PID 1704 wrote to memory of 2828 1704 6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exe RegAsm.exe PID 1704 wrote to memory of 2828 1704 6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exe RegAsm.exe PID 1704 wrote to memory of 2828 1704 6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exe RegAsm.exe PID 1704 wrote to memory of 2828 1704 6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exe RegAsm.exe PID 1704 wrote to memory of 2828 1704 6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exe RegAsm.exe PID 1704 wrote to memory of 2828 1704 6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exe RegAsm.exe PID 1704 wrote to memory of 2828 1704 6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exe RegAsm.exe PID 1704 wrote to memory of 2828 1704 6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exe RegAsm.exe -
outlook_office_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\6980980015bf2879806ecb4f6b0283a6_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- 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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memory/1704-0-0x0000000074821000-0x0000000074822000-memory.dmpFilesize
4KB
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memory/1704-1-0x0000000074820000-0x0000000074DCB000-memory.dmpFilesize
5.7MB
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memory/1704-2-0x0000000074820000-0x0000000074DCB000-memory.dmpFilesize
5.7MB
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memory/1704-3-0x0000000074820000-0x0000000074DCB000-memory.dmpFilesize
5.7MB
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memory/1704-4-0x0000000074820000-0x0000000074DCB000-memory.dmpFilesize
5.7MB
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memory/1704-21-0x0000000074820000-0x0000000074DCB000-memory.dmpFilesize
5.7MB
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memory/2828-11-0x0000000000400000-0x0000000000436000-memory.dmpFilesize
216KB
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memory/2828-13-0x0000000000400000-0x0000000000436000-memory.dmpFilesize
216KB
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memory/2828-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/2828-9-0x0000000000400000-0x0000000000436000-memory.dmpFilesize
216KB
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memory/2828-7-0x0000000000400000-0x0000000000436000-memory.dmpFilesize
216KB
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memory/2828-5-0x0000000000400000-0x0000000000436000-memory.dmpFilesize
216KB
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memory/2828-20-0x0000000000400000-0x0000000000436000-memory.dmpFilesize
216KB
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memory/2828-18-0x0000000000400000-0x0000000000436000-memory.dmpFilesize
216KB
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memory/2828-22-0x0000000074820000-0x0000000074DCB000-memory.dmpFilesize
5.7MB
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memory/2828-24-0x0000000074820000-0x0000000074DCB000-memory.dmpFilesize
5.7MB