Analysis
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max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
29/03/2024, 11:09
Static task
static1
Behavioral task
behavioral1
Sample
20760af326556b7a0b6df9c101e29e9e_JaffaCakes118.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
20760af326556b7a0b6df9c101e29e9e_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
20760af326556b7a0b6df9c101e29e9e_JaffaCakes118.exe
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Size
256KB
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MD5
20760af326556b7a0b6df9c101e29e9e
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SHA1
101fd4c8b8086ba57ec16324117729745126eb34
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SHA256
17a87d55ab7d3b26e79ba970825f88b633ba355447cddb3ef9751b3e83485956
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SHA512
1870484bd63c11729069d7b3765f891abcdd8bcadc77cca7e5946699eeeafb4e369dc48ae1dd83d8fe3238a5345de148cac4a4382fc7ca200edee41eb2660c1d
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SSDEEP
6144:M5jwH/7aps5hulwH/Fsd8XDwH/7aps5hulwH/:MpuapIS0rzuapIS
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2296 outlook.exe -
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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\sys32.exe" 20760af326556b7a0b6df9c101e29e9e_JaffaCakes118.exe -
Drops file in Windows directory 5 IoCs
description ioc Process File opened for modification C:\Windows\sys32.exe 20760af326556b7a0b6df9c101e29e9e_JaffaCakes118.exe File opened for modification C:\Windows\outlook.cfg outlook.exe File created C:\Windows\sys32.exe 20760af326556b7a0b6df9c101e29e9e_JaffaCakes118.exe File created C:\Windows\outlook.exe 20760af326556b7a0b6df9c101e29e9e_JaffaCakes118.exe File opened for modification C:\Windows\outlook.exe 20760af326556b7a0b6df9c101e29e9e_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2172 wrote to memory of 2296 2172 20760af326556b7a0b6df9c101e29e9e_JaffaCakes118.exe 28 PID 2172 wrote to memory of 2296 2172 20760af326556b7a0b6df9c101e29e9e_JaffaCakes118.exe 28 PID 2172 wrote to memory of 2296 2172 20760af326556b7a0b6df9c101e29e9e_JaffaCakes118.exe 28 PID 2172 wrote to memory of 2296 2172 20760af326556b7a0b6df9c101e29e9e_JaffaCakes118.exe 28 PID 2172 wrote to memory of 2296 2172 20760af326556b7a0b6df9c101e29e9e_JaffaCakes118.exe 28 PID 2172 wrote to memory of 2296 2172 20760af326556b7a0b6df9c101e29e9e_JaffaCakes118.exe 28 PID 2172 wrote to memory of 2296 2172 20760af326556b7a0b6df9c101e29e9e_JaffaCakes118.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\20760af326556b7a0b6df9c101e29e9e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\20760af326556b7a0b6df9c101e29e9e_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2172 -
C:\Windows\outlook.exeC:\Windows\outlook.exe2⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:2296
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
49KB
MD50e9379e357aba95f8b9883af9b67675e
SHA1280a174a414e5b8588f42b6328af2c8c8ff4394f
SHA25696b9c4ead67d03eb2c69103a983274e013e3466e80d8f95bd7cf3aea8be05b28
SHA5126cc383806882729cd889b025802ac0d5e1c55a74b3e7d7c98932644e8802fe52b5b14a886eff70ab7deaa70fb60bb9898e55b5cd83b5b99e2a2d107dce367784