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Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
20/06/2024, 02:44
Static task
static1
Behavioral task
behavioral1
Sample
02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe
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Size
136KB
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MD5
02244c8fc63d25e98e91386059c61ede
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SHA1
2f42a6ab8e568530553358f89d75d45851ec18cd
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SHA256
1a46cad30ec7e82ad9a710c828d0959fa7081d427f46bafda60947b1b928663d
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SHA512
9b9690d00dbe0c57e454410c768e37980560fea402e5661fe1254105e6a44066941abb27482ca516cef0cd2d24373c66baf10ed1ef0101d977e95f38ac289fac
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SSDEEP
3072:MMqJ3dPrq8iYloAAsJhR0Yh94o/tWtBYKKKG/H7mtP7IVc:MMu3dPrriYlDAsJhRj45BVKzH7mt0i
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" upslocal.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "1" upslocal.exe -
Executes dropped EXE 1 IoCs
pid Process 2896 upslocal.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "1" upslocal.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Gerente = "C:\\Windows\\upslocal.exe" upslocal.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" upslocal.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\__tmp_rar_sfx_access_check_259397588 02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe File created C:\Windows\upslocal.exe 02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe File opened for modification C:\Windows\upslocal.exe 02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2896 upslocal.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2024 wrote to memory of 2896 2024 02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe 28 PID 2024 wrote to memory of 2896 2024 02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe 28 PID 2024 wrote to memory of 2896 2024 02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe 28 PID 2024 wrote to memory of 2896 2024 02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe 28 PID 2024 wrote to memory of 2896 2024 02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe 28 PID 2024 wrote to memory of 2896 2024 02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe 28 PID 2024 wrote to memory of 2896 2024 02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe 28 -
System policy modification 1 TTPs 4 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Attachments\ScanWithAntiVirus = "1" upslocal.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system upslocal.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" upslocal.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Attachments upslocal.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe"1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Windows\upslocal.exe"C:\Windows\upslocal.exe"2⤵
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2896
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
72KB
MD5e814b88103e7adbc50d9cc6556da4479
SHA16b88193125c4bd09f7cab4925cf3147f9ae13e43
SHA2568f49b9675babab09ad5b0aa46bb57961c0b588767b05e903ab8a5b3bd9ee2b44
SHA512cf0816205fd2f0ec3151cd84295ab0e09d15ad45c01b262c07b6fc940238a80cfc54a847f8403b4d37407ab79a03e777854dad9b85454bde9d21b6532c2a93ff