Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
15/10/2024, 20:17
Static task
static1
Behavioral task
behavioral1
Sample
49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe
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Size
40KB
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MD5
49d01a61cf81e426ddf6a7b986c45ea6
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SHA1
2013051a76127fd2ea1f23658d6434a1793bc597
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SHA256
a33b1a0e0b70ee3c311717bdfe0ff5ffb85d3160186f595c48b4b49c51c563f2
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SHA512
e61f2e2e5f0873cb4699ce00e009c8aaa3503c3ca069d52b0bf65e090e88d09fbe813ca04782b928d21d67ce97d50f074435e0d8ed9b74a92f164f64169c79e6
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SSDEEP
768:mOh/vqegpGUTO4pLLro4aPqHtHj5PHfDUk0AV:mSvYOwLLro4aC5PHLUkx
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation 49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe -
Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
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Executes dropped EXE 1 IoCs
pid Process 2444 smss.exe -
Reads user/profile data of web browsers 3 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\smss = "C:\\smss.exe" 49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe -
Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\A: smss.exe File opened (read-only) \??\B: smss.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language smss.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2444 smss.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3636 wrote to memory of 2444 3636 49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe 94 PID 3636 wrote to memory of 2444 3636 49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe 94 PID 3636 wrote to memory of 2444 3636 49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3636 -
C:\smss.exe"C:\smss.exe"2⤵
- Executes dropped EXE
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
PID:2444
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
44KB
MD558e4a5b93a533b88d14a4356b975b6ff
SHA17ab82768fd4556f3037f7258e02f5bbcbb1a1e1c
SHA256f09da3978ebc8a1293b5aeb4b94598d1370f79ac393cb2671fb50c15a326dc45
SHA5129ac69f521d6f54c0372869863a0e6582955723e0cfb5a24eec9557cdb3f11317cbadea7143e810e6a17cb1f30923bfca4d4adae780f396c7328408fa176c66f5