Analysis
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max time kernel
121s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
23-05-2024 00:28
Static task
static1
Behavioral task
behavioral1
Sample
6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exe
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Size
1.0MB
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MD5
6220dbc17e6c4579e23a93c103344d04
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SHA1
78e9640d470745acfb2648d56e35febc30f6e684
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SHA256
154c3a1d1e1a4213c0dbd5d4d21f983219626f5ed2eb824f3670394e6555c162
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SHA512
5c4fd1ea005b890debb0d5635073a45a5ec2a640a133b53b1dac8c554765b3f96c69fbbae619a6e8c12ee46079895e42b4bf79ec8c4b0f09ee12d377441bc583
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SSDEEP
12288:0P+xop6MOkLy2L+J1cvFoTlGlWVp7dBhR82vkLnfOOim:jopEkO2m6vFoTEUi2vk1i
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
myrecords1248
Signatures
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NirSoft MailPassView 9 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/2616-8-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/2616-10-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/2616-14-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/2616-18-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/2616-16-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/2776-25-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/2776-27-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/2776-28-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/2776-31-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 8 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/2616-8-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/2616-10-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/2616-14-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/2616-18-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/2616-16-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/1708-37-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1708-33-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1708-32-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 12 IoCs
Processes:
resource yara_rule behavioral1/memory/2616-8-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/2616-10-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/2616-14-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/2616-18-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/2616-16-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/2776-25-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2776-27-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2776-28-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2776-31-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1708-37-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1708-33-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1708-32-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
Processes:
resource yara_rule behavioral1/memory/2136-2-0x0000000000470000-0x0000000000498000-memory.dmp agile_net -
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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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-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegAsm.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" RegAsm.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 2 whatismyipaddress.com 4 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exeRegAsm.exedescription pid Process procid_target PID 2136 set thread context of 2616 2136 6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exe 29 PID 2616 set thread context of 2776 2616 RegAsm.exe 33 PID 2616 set thread context of 1708 2616 RegAsm.exe 34 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
RegAsm.exepid Process 2616 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exeRegAsm.exedescription pid Process Token: SeDebugPrivilege 2136 6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exe Token: SeDebugPrivilege 2616 RegAsm.exe -
Suspicious use of WriteProcessMemory 32 IoCs
Processes:
6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exeRegAsm.exedescription pid Process procid_target PID 2136 wrote to memory of 2616 2136 6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exe 29 PID 2136 wrote to memory of 2616 2136 6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exe 29 PID 2136 wrote to memory of 2616 2136 6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exe 29 PID 2136 wrote to memory of 2616 2136 6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exe 29 PID 2136 wrote to memory of 2616 2136 6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exe 29 PID 2136 wrote to memory of 2616 2136 6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exe 29 PID 2136 wrote to memory of 2616 2136 6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exe 29 PID 2136 wrote to memory of 2616 2136 6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exe 29 PID 2136 wrote to memory of 2616 2136 6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exe 29 PID 2136 wrote to memory of 2616 2136 6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exe 29 PID 2136 wrote to memory of 2616 2136 6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exe 29 PID 2136 wrote to memory of 2616 2136 6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exe 29 PID 2616 wrote to memory of 2776 2616 RegAsm.exe 33 PID 2616 wrote to memory of 2776 2616 RegAsm.exe 33 PID 2616 wrote to memory of 2776 2616 RegAsm.exe 33 PID 2616 wrote to memory of 2776 2616 RegAsm.exe 33 PID 2616 wrote to memory of 2776 2616 RegAsm.exe 33 PID 2616 wrote to memory of 2776 2616 RegAsm.exe 33 PID 2616 wrote to memory of 2776 2616 RegAsm.exe 33 PID 2616 wrote to memory of 2776 2616 RegAsm.exe 33 PID 2616 wrote to memory of 2776 2616 RegAsm.exe 33 PID 2616 wrote to memory of 2776 2616 RegAsm.exe 33 PID 2616 wrote to memory of 1708 2616 RegAsm.exe 34 PID 2616 wrote to memory of 1708 2616 RegAsm.exe 34 PID 2616 wrote to memory of 1708 2616 RegAsm.exe 34 PID 2616 wrote to memory of 1708 2616 RegAsm.exe 34 PID 2616 wrote to memory of 1708 2616 RegAsm.exe 34 PID 2616 wrote to memory of 1708 2616 RegAsm.exe 34 PID 2616 wrote to memory of 1708 2616 RegAsm.exe 34 PID 2616 wrote to memory of 1708 2616 RegAsm.exe 34 PID 2616 wrote to memory of 1708 2616 RegAsm.exe 34 PID 2616 wrote to memory of 1708 2616 RegAsm.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\6220dbc17e6c4579e23a93c103344d04JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2616 -
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:2776
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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⤵PID:1708
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84