Analysis
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max time kernel
121s -
max time network
138s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
05-06-2024 08:35
Static task
static1
Behavioral task
behavioral1
Sample
97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe
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Size
1.4MB
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MD5
97a3d8e5095f6a3498a52acd81e3d97c
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SHA1
71b3a0453e43eda875d0b1d82ad70657d6e98a47
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SHA256
7ef3e8ca1abdcae5850f5b4e821a677ff9f49fcc2719745dc16ed26454442870
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SHA512
980fcbf80ad28cbc179cb754dff9e3e3884a7e3b0846471b91f1beebea8c3db7d5ae51c27ad2c00cc3a8f8eeb790342e12efdee6a1c91b13faea1d23bb88dcda
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SSDEEP
12288:eKbl0PnKARVcLuENhwh1QsAjy11WZUfy07rTpGRO2uUWMky:eCUNcSEohusoyWZUz7rTpcO2z
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
myrecords1248
Signatures
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NirSoft MailPassView 7 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/2652-8-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/2652-12-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/2652-10-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/2768-22-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/2768-21-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/2768-19-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/2768-24-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 6 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/2652-8-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/2652-12-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/2652-10-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/1644-30-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1644-26-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1644-25-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 10 IoCs
resource yara_rule behavioral1/memory/2652-8-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/2652-12-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/2652-10-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/2768-22-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2768-21-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2768-19-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2768-24-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1644-30-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1644-26-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1644-25-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\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.
flow ioc 3 whatismyipaddress.com 5 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 620 set thread context of 2652 620 97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe 28 PID 2652 set thread context of 2768 2652 RegAsm.exe 30 PID 2652 set thread context of 1644 2652 RegAsm.exe 33 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2652 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 620 97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe Token: SeDebugPrivilege 2652 RegAsm.exe -
Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 620 wrote to memory of 2652 620 97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe 28 PID 620 wrote to memory of 2652 620 97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe 28 PID 620 wrote to memory of 2652 620 97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe 28 PID 620 wrote to memory of 2652 620 97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe 28 PID 620 wrote to memory of 2652 620 97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe 28 PID 620 wrote to memory of 2652 620 97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe 28 PID 620 wrote to memory of 2652 620 97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe 28 PID 620 wrote to memory of 2652 620 97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe 28 PID 620 wrote to memory of 2652 620 97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe 28 PID 620 wrote to memory of 2652 620 97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe 28 PID 620 wrote to memory of 2652 620 97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe 28 PID 620 wrote to memory of 2652 620 97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe 28 PID 2652 wrote to memory of 2768 2652 RegAsm.exe 30 PID 2652 wrote to memory of 2768 2652 RegAsm.exe 30 PID 2652 wrote to memory of 2768 2652 RegAsm.exe 30 PID 2652 wrote to memory of 2768 2652 RegAsm.exe 30 PID 2652 wrote to memory of 2768 2652 RegAsm.exe 30 PID 2652 wrote to memory of 2768 2652 RegAsm.exe 30 PID 2652 wrote to memory of 2768 2652 RegAsm.exe 30 PID 2652 wrote to memory of 2768 2652 RegAsm.exe 30 PID 2652 wrote to memory of 2768 2652 RegAsm.exe 30 PID 2652 wrote to memory of 2768 2652 RegAsm.exe 30 PID 2652 wrote to memory of 1644 2652 RegAsm.exe 33 PID 2652 wrote to memory of 1644 2652 RegAsm.exe 33 PID 2652 wrote to memory of 1644 2652 RegAsm.exe 33 PID 2652 wrote to memory of 1644 2652 RegAsm.exe 33 PID 2652 wrote to memory of 1644 2652 RegAsm.exe 33 PID 2652 wrote to memory of 1644 2652 RegAsm.exe 33 PID 2652 wrote to memory of 1644 2652 RegAsm.exe 33 PID 2652 wrote to memory of 1644 2652 RegAsm.exe 33 PID 2652 wrote to memory of 1644 2652 RegAsm.exe 33 PID 2652 wrote to memory of 1644 2652 RegAsm.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:620 -
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:2652 -
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:2768
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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:1644
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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