Analysis
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max time kernel
149s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16-05-2024 23:12
Static task
static1
Behavioral task
behavioral1
Sample
4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe
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Size
1.0MB
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MD5
4d7c6a31befbe5d1f132c329b2f6f56a
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SHA1
78e2d1fb9d579af7937adea39dfe9aa639ab56ba
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SHA256
cc87387f9d80a394d37b129af4be7af6b93dfd585f3a78d3decffc2f94c5689a
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SHA512
62e8de438d79d314891bd67244c6b10c33737806614ab2f0ffd5675438e6b72b9c549aff03dda255fde2cb0fc6175d326702fb2def8507cfeeb695253d59ec20
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SSDEEP
24576:VQtqBorTlYWBhE+V3mO9yDLss2yed2cw9Zifq1JB5/mOh:mtqFWM4mpDN2USfGF
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
THISISWHATIdo20@@
Signatures
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NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/4608-8-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/4608-10-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/4608-11-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 4 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/4872-13-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4872-15-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4872-17-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4872-25-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 7 IoCs
Processes:
resource yara_rule behavioral2/memory/4608-8-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4608-10-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4608-11-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4872-13-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4872-15-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4872-17-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4872-25-0x0000000000400000-0x0000000000458000-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-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.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 11 whatismyipaddress.com 13 whatismyipaddress.com -
Suspicious use of SetThreadContext 2 IoCs
Processes:
4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exedescription pid process target process PID 1588 set thread context of 4608 1588 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe vbc.exe PID 1588 set thread context of 4872 1588 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
vbc.exepid process 4872 vbc.exe 4872 vbc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exedescription pid process Token: SeDebugPrivilege 1588 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exepid process 1588 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exedescription pid process target process PID 1588 wrote to memory of 4608 1588 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe vbc.exe PID 1588 wrote to memory of 4608 1588 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe vbc.exe PID 1588 wrote to memory of 4608 1588 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe vbc.exe PID 1588 wrote to memory of 4608 1588 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe vbc.exe PID 1588 wrote to memory of 4608 1588 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe vbc.exe PID 1588 wrote to memory of 4608 1588 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe vbc.exe PID 1588 wrote to memory of 4608 1588 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe vbc.exe PID 1588 wrote to memory of 4608 1588 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe vbc.exe PID 1588 wrote to memory of 4608 1588 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe vbc.exe PID 1588 wrote to memory of 4872 1588 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe vbc.exe PID 1588 wrote to memory of 4872 1588 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe vbc.exe PID 1588 wrote to memory of 4872 1588 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe vbc.exe PID 1588 wrote to memory of 4872 1588 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe vbc.exe PID 1588 wrote to memory of 4872 1588 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe vbc.exe PID 1588 wrote to memory of 4872 1588 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe vbc.exe PID 1588 wrote to memory of 4872 1588 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe vbc.exe PID 1588 wrote to memory of 4872 1588 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe vbc.exe PID 1588 wrote to memory of 4872 1588 4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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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\holdermail.txt"2⤵
- Accesses Microsoft Outlook accounts
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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"2⤵
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\holderwb.txtFilesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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memory/1588-26-0x00000000755A2000-0x00000000755A3000-memory.dmpFilesize
4KB
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memory/1588-1-0x00000000755A0000-0x0000000075B51000-memory.dmpFilesize
5.7MB
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memory/1588-2-0x00000000755A0000-0x0000000075B51000-memory.dmpFilesize
5.7MB
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memory/1588-3-0x00000000755A0000-0x0000000075B51000-memory.dmpFilesize
5.7MB
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memory/1588-28-0x00000000755A0000-0x0000000075B51000-memory.dmpFilesize
5.7MB
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memory/1588-0-0x00000000755A2000-0x00000000755A3000-memory.dmpFilesize
4KB
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memory/1588-27-0x00000000755A0000-0x0000000075B51000-memory.dmpFilesize
5.7MB
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memory/1588-16-0x00000000755A0000-0x0000000075B51000-memory.dmpFilesize
5.7MB
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memory/4608-8-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/4608-10-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/4608-11-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/4872-15-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/4872-23-0x0000000000460000-0x0000000000529000-memory.dmpFilesize
804KB
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memory/4872-25-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/4872-17-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/4872-13-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB