Analysis
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max time kernel
95s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-12-2024 21:24
Behavioral task
behavioral1
Sample
JaffaCakes118_b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed.exe
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Size
470KB
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MD5
a354e015ecbc5f858ebc43c7c4a19855
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SHA1
003a83f3c71dcdd58f454ccb8afaaadc555187f0
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SHA256
b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed
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SHA512
0ded8ee4265f6674807cf06c105f97bc538bac87998af8002f85295f127b4004f5bba4d68310b642d33c05e9b75e542c041b41d5daf9027744c2f089b9d18031
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SSDEEP
12288:Dm3E3HDei3oXA2jCXgXLz/HQOqzjW/NT:DmU3Hq6oXA2jBXHnqzjG
Malware Config
Signatures
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 7 checkip.dyndns.org 11 freegeoip.app 12 freegeoip.app -
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 JaffaCakes118_b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dw20.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dw20.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dw20.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 4108 JaffaCakes118_b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 4108 JaffaCakes118_b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed.exe Token: SeRestorePrivilege 3928 dw20.exe Token: SeBackupPrivilege 3928 dw20.exe Token: SeBackupPrivilege 3928 dw20.exe Token: SeBackupPrivilege 3928 dw20.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4108 wrote to memory of 3928 4108 JaffaCakes118_b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed.exe 83 PID 4108 wrote to memory of 3928 4108 JaffaCakes118_b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed.exe 83 PID 4108 wrote to memory of 3928 4108 JaffaCakes118_b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4108 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 18082⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:3928
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