Analysis
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max time kernel
135s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
17-09-2024 19:40
Static task
static1
Behavioral task
behavioral1
Sample
e791d83b894392bdf1a76a4ad3513f62_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
e791d83b894392bdf1a76a4ad3513f62_JaffaCakes118.exe
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Size
118KB
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MD5
e791d83b894392bdf1a76a4ad3513f62
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SHA1
c866dd4b81896f4462c52d5a99010f3199368874
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SHA256
f16bcb3cae7b0d1f1d25d521c2a109b3dd2288724dc7a54e80e77ba5b2d89287
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SHA512
56d08f1093899ca9710a4c48e325e0d9863cf19048e6f643f8fb0cb08ba61ea674f92963c380067b6f98b34fd86152904fd2e04d07691ecfba164b7c03d45f0f
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SSDEEP
768:RuMoXeyro4cq+9aQQcRZvKvGVV+ezG98UsGJtAL8yaZXQOnS01IW5XrpcpJWIziT:RuMIwG+tZvtVbGjPC8yaSOS1mVcIIO3
Malware Config
Signatures
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Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 cmnscalar.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE cmnscalar.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies cmnscalar.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 cmnscalar.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 4 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 e791d83b894392bdf1a76a4ad3513f62_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e791d83b894392bdf1a76a4ad3513f62_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmnscalar.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmnscalar.exe -
Modifies data under HKEY_USERS 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix cmnscalar.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" cmnscalar.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" cmnscalar.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1588 e791d83b894392bdf1a76a4ad3513f62_JaffaCakes118.exe 1588 e791d83b894392bdf1a76a4ad3513f62_JaffaCakes118.exe 456 e791d83b894392bdf1a76a4ad3513f62_JaffaCakes118.exe 456 e791d83b894392bdf1a76a4ad3513f62_JaffaCakes118.exe 3700 cmnscalar.exe 3700 cmnscalar.exe 3048 cmnscalar.exe 3048 cmnscalar.exe 3048 cmnscalar.exe 3048 cmnscalar.exe 3048 cmnscalar.exe 3048 cmnscalar.exe 3048 cmnscalar.exe 3048 cmnscalar.exe 3048 cmnscalar.exe 3048 cmnscalar.exe 3048 cmnscalar.exe 3048 cmnscalar.exe 3048 cmnscalar.exe 3048 cmnscalar.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 456 e791d83b894392bdf1a76a4ad3513f62_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: 33 1588 e791d83b894392bdf1a76a4ad3513f62_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 1588 e791d83b894392bdf1a76a4ad3513f62_JaffaCakes118.exe Token: 33 456 e791d83b894392bdf1a76a4ad3513f62_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 456 e791d83b894392bdf1a76a4ad3513f62_JaffaCakes118.exe Token: 33 3700 cmnscalar.exe Token: SeIncBasePriorityPrivilege 3700 cmnscalar.exe Token: 33 3048 cmnscalar.exe Token: SeIncBasePriorityPrivilege 3048 cmnscalar.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1588 wrote to memory of 456 1588 e791d83b894392bdf1a76a4ad3513f62_JaffaCakes118.exe 84 PID 1588 wrote to memory of 456 1588 e791d83b894392bdf1a76a4ad3513f62_JaffaCakes118.exe 84 PID 1588 wrote to memory of 456 1588 e791d83b894392bdf1a76a4ad3513f62_JaffaCakes118.exe 84 PID 3700 wrote to memory of 3048 3700 cmnscalar.exe 86 PID 3700 wrote to memory of 3048 3700 cmnscalar.exe 86 PID 3700 wrote to memory of 3048 3700 cmnscalar.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\e791d83b894392bdf1a76a4ad3513f62_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e791d83b894392bdf1a76a4ad3513f62_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1588 -
C:\Users\Admin\AppData\Local\Temp\e791d83b894392bdf1a76a4ad3513f62_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e791d83b894392bdf1a76a4ad3513f62_JaffaCakes118.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
PID:456
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C:\Windows\SysWOW64\cmnscalar.exe"C:\Windows\SysWOW64\cmnscalar.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3700 -
C:\Windows\SysWOW64\cmnscalar.exe"C:\Windows\SysWOW64\cmnscalar.exe"2⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3048
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