Analysis
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max time kernel
149s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
31/10/2024, 03:02
Static task
static1
Behavioral task
behavioral1
Sample
8157b685c864ed653938a86a18c61aeb_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8157b685c864ed653938a86a18c61aeb_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
8157b685c864ed653938a86a18c61aeb_JaffaCakes118.exe
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Size
106KB
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MD5
8157b685c864ed653938a86a18c61aeb
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SHA1
c8de3b88ba1c2cdcfce054b2a18f08dbc61d4753
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SHA256
b58b79e854bc26f935d23d1d665021c1551be54ef1af660a8d4c37ef4111aec3
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SHA512
a23e173881051ded42aea6353dc8a555c774a88750c9b9599b91e49c9a19d34f670eacbf160612ade2375b5eb5efa21102f3d60bd02fb05c787f81afa72ec3d1
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SSDEEP
3072:gkWMvzjIc4Cw0BkxofyHckq6VqVMe7ws/Y:gyvzjIcukvyHZqlb5Y
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2328 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 1724 ooaaya.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\ooaaya.exe 8157b685c864ed653938a86a18c61aeb_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\ooaaya.exe 8157b685c864ed653938a86a18c61aeb_JaffaCakes118.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 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 8157b685c864ed653938a86a18c61aeb_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ooaaya.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 ooaaya.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz ooaaya.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2888 8157b685c864ed653938a86a18c61aeb_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2888 wrote to memory of 2328 2888 8157b685c864ed653938a86a18c61aeb_JaffaCakes118.exe 32 PID 2888 wrote to memory of 2328 2888 8157b685c864ed653938a86a18c61aeb_JaffaCakes118.exe 32 PID 2888 wrote to memory of 2328 2888 8157b685c864ed653938a86a18c61aeb_JaffaCakes118.exe 32 PID 2888 wrote to memory of 2328 2888 8157b685c864ed653938a86a18c61aeb_JaffaCakes118.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\8157b685c864ed653938a86a18c61aeb_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8157b685c864ed653938a86a18c61aeb_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2888 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\8157B6~1.EXE > nul2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2328
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C:\Windows\SysWOW64\ooaaya.exeC:\Windows\SysWOW64\ooaaya.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
PID:1724
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
106KB
MD58157b685c864ed653938a86a18c61aeb
SHA1c8de3b88ba1c2cdcfce054b2a18f08dbc61d4753
SHA256b58b79e854bc26f935d23d1d665021c1551be54ef1af660a8d4c37ef4111aec3
SHA512a23e173881051ded42aea6353dc8a555c774a88750c9b9599b91e49c9a19d34f670eacbf160612ade2375b5eb5efa21102f3d60bd02fb05c787f81afa72ec3d1