Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
10/07/2024, 16:17
Static task
static1
Behavioral task
behavioral1
Sample
3577f4702582432300f89e998ea60a82_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
3577f4702582432300f89e998ea60a82_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
3577f4702582432300f89e998ea60a82_JaffaCakes118.exe
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Size
20KB
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MD5
3577f4702582432300f89e998ea60a82
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SHA1
eca085692f561bc655fd7b8b0a4f0fcac6f27bfa
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SHA256
13bbc671966e78d95bc28f99aadd1bf9d9c563ce5630b3523d5b22fa12c032a1
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SHA512
1e91595f66fdcf0846858b526b0ff1e4ebc418a95dcfc1d5bbf90e08670b7a45e019e72dd43975275b81a7ea40cf10af6b51299f4c9278c127e76e308912cc2e
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SSDEEP
384:bO2OEHdn0QfuLNExpYROROJWHLyRFqKv8sNPeKl3C1J9:RHlhQExpoOYSLy1vZ53C1D
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2828 wmcstiyz.exe -
Executes dropped EXE 1 IoCs
pid Process 2828 wmcstiyz.exe -
Loads dropped DLL 2 IoCs
pid Process 2444 3577f4702582432300f89e998ea60a82_JaffaCakes118.exe 2444 3577f4702582432300f89e998ea60a82_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MSCV = "C:\\Users\\Admin\\wmcstiyz.exe" wmcstiyz.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices\MSCV = "C:\\Users\\Admin\\wmcstiyz.exe" wmcstiyz.exe Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSCV = "C:\\Users\\Admin\\wmcstiyz.exe" wmcstiyz.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2828 wmcstiyz.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2444 3577f4702582432300f89e998ea60a82_JaffaCakes118.exe Token: SeTcbPrivilege 2444 3577f4702582432300f89e998ea60a82_JaffaCakes118.exe Token: SeDebugPrivilege 2828 wmcstiyz.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2444 wrote to memory of 2828 2444 3577f4702582432300f89e998ea60a82_JaffaCakes118.exe 30 PID 2444 wrote to memory of 2828 2444 3577f4702582432300f89e998ea60a82_JaffaCakes118.exe 30 PID 2444 wrote to memory of 2828 2444 3577f4702582432300f89e998ea60a82_JaffaCakes118.exe 30 PID 2444 wrote to memory of 2828 2444 3577f4702582432300f89e998ea60a82_JaffaCakes118.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\3577f4702582432300f89e998ea60a82_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3577f4702582432300f89e998ea60a82_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2444 -
C:\Users\Admin\wmcstiyz.exe"C:\Users\Admin\wmcstiyz.exe" 224 "C:\Users\Admin\AppData\Local\Temp\3577f4702582432300f89e998ea60a82_JaffaCakes118.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2828
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
20KB
MD53577f4702582432300f89e998ea60a82
SHA1eca085692f561bc655fd7b8b0a4f0fcac6f27bfa
SHA25613bbc671966e78d95bc28f99aadd1bf9d9c563ce5630b3523d5b22fa12c032a1
SHA5121e91595f66fdcf0846858b526b0ff1e4ebc418a95dcfc1d5bbf90e08670b7a45e019e72dd43975275b81a7ea40cf10af6b51299f4c9278c127e76e308912cc2e