Analysis
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max time kernel
122s -
max time network
105s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
29-05-2024 17:35
Static task
static1
Behavioral task
behavioral1
Sample
8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exe
Resource
win7-20240508-en
General
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Target
8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exe
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Size
608KB
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MD5
8152cac14bc11bd6c1b8a96815210daf
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SHA1
d724292b5cf0cfc479f06f8fa61bfd78cab782b2
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SHA256
8776a4ee8b6b13af9c666e4f6e55c7d970cb72d2f507f4fa6781fe7b94d390a3
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SHA512
9531a28c23a1b94c178f9cc226c6d5530efcc8b17708fd27395f4388a36de5abcc822c065df2b06a7fecc9c7628c6bfa8d15fb507904da96f4c888a5546c7d90
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SSDEEP
12288:pfU49eLWDQqXTqQJl6odMYQ1Y6kOxn5ItLHyApwzutsXC8WozrZCfojqHO7FgxNM:pfPkLWQqXDoA6kOx3y8WwZCfojcOmxD
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
7213575aceACE$
Signatures
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NirSoft MailPassView 4 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/3248-2-0x0000000000170000-0x00000000001F4000-memory.dmp MailPassView behavioral2/memory/1288-14-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/1288-15-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/1288-16-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 4 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/3248-2-0x0000000000170000-0x00000000001F4000-memory.dmp WebBrowserPassView behavioral2/memory/4940-17-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4940-18-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4940-25-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 7 IoCs
Processes:
resource yara_rule behavioral2/memory/3248-2-0x0000000000170000-0x00000000001F4000-memory.dmp Nirsoft behavioral2/memory/1288-14-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1288-15-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1288-16-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4940-17-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4940-18-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4940-25-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.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.
Processes:
flow ioc 13 whatismyipaddress.com 11 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exeRegAsm.exedescription pid Process procid_target PID 548 set thread context of 3248 548 8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exe 84 PID 3248 set thread context of 1288 3248 RegAsm.exe 90 PID 3248 set thread context of 4940 3248 RegAsm.exe 94 -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exevbc.exepid Process 548 8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exe 548 8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exe 548 8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exe 548 8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exe 548 8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exe 548 8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exe 548 8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exe 548 8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exe 4940 vbc.exe 4940 vbc.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exepid Process 548 8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exe 548 8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid Process Token: SeDebugPrivilege 3248 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid Process 3248 RegAsm.exe -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exeRegAsm.exedescription pid Process procid_target PID 548 wrote to memory of 3248 548 8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exe 84 PID 548 wrote to memory of 3248 548 8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exe 84 PID 548 wrote to memory of 3248 548 8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exe 84 PID 548 wrote to memory of 3248 548 8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exe 84 PID 3248 wrote to memory of 1288 3248 RegAsm.exe 90 PID 3248 wrote to memory of 1288 3248 RegAsm.exe 90 PID 3248 wrote to memory of 1288 3248 RegAsm.exe 90 PID 3248 wrote to memory of 1288 3248 RegAsm.exe 90 PID 3248 wrote to memory of 1288 3248 RegAsm.exe 90 PID 3248 wrote to memory of 1288 3248 RegAsm.exe 90 PID 3248 wrote to memory of 1288 3248 RegAsm.exe 90 PID 3248 wrote to memory of 1288 3248 RegAsm.exe 90 PID 3248 wrote to memory of 1288 3248 RegAsm.exe 90 PID 3248 wrote to memory of 4940 3248 RegAsm.exe 94 PID 3248 wrote to memory of 4940 3248 RegAsm.exe 94 PID 3248 wrote to memory of 4940 3248 RegAsm.exe 94 PID 3248 wrote to memory of 4940 3248 RegAsm.exe 94 PID 3248 wrote to memory of 4940 3248 RegAsm.exe 94 PID 3248 wrote to memory of 4940 3248 RegAsm.exe 94 PID 3248 wrote to memory of 4940 3248 RegAsm.exe 94 PID 3248 wrote to memory of 4940 3248 RegAsm.exe 94 PID 3248 wrote to memory of 4940 3248 RegAsm.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:548 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Users\Admin\AppData\Local\Temp\8152cac14bc11bd6c1b8a96815210daf_JaffaCakes118.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3248 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
- Accesses Microsoft Outlook accounts
PID:1288
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:4940
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196