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Analysis
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max time kernel
149s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
03/06/2024, 08:00
Behavioral task
behavioral1
Sample
91095a7a271af53106eb3fbbdc51c20a_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
91095a7a271af53106eb3fbbdc51c20a_JaffaCakes118.exe
Resource
win10v2004-20240426-en
General
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Target
91095a7a271af53106eb3fbbdc51c20a_JaffaCakes118.exe
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Size
446KB
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MD5
91095a7a271af53106eb3fbbdc51c20a
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SHA1
20a3c093653afc1f2c5aeb6851e61dbc3e961ee1
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SHA256
2a3a5f544051d55d3182e207d3064fcd7edebd879665a14a9d1da3f9e92752c3
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SHA512
e0680c56a197bbb4f79d0a712812dcaaf695dbe911d0b8697c1f0347915021d20d4aabc4c031fd607eb4fa6c4b6ba64de4b04e502f69e461a2ae5f93a81261c9
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SSDEEP
3072:q2Be0PLUxUa8FDSKc45xUh/wKsRNwD0kHRoqVi2rhTJNam5zpP4XqAtIVVtNlNmF:XLUCa8FDbtUhB8wNHVi2dpgaUIVdrjc
Malware Config
Extracted
njrat
0.7d
nome
156.194.166.7:2222
fa5dba3d74470430cec4a55a436040bd
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reg_key
fa5dba3d74470430cec4a55a436040bd
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splitter
|'|'|
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2688 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 1160 smsm.exe -
Loads dropped DLL 1 IoCs
pid Process 2020 91095a7a271af53106eb3fbbdc51c20a_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fa5dba3d74470430cec4a55a436040bd = "\"C:\\Users\\Admin\\AppData\\Roaming\\smsm.exe\" .." smsm.exe Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\fa5dba3d74470430cec4a55a436040bd = "\"C:\\Users\\Admin\\AppData\\Roaming\\smsm.exe\" .." smsm.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 1160 smsm.exe Token: 33 1160 smsm.exe Token: SeIncBasePriorityPrivilege 1160 smsm.exe Token: 33 1160 smsm.exe Token: SeIncBasePriorityPrivilege 1160 smsm.exe Token: 33 1160 smsm.exe Token: SeIncBasePriorityPrivilege 1160 smsm.exe Token: 33 1160 smsm.exe Token: SeIncBasePriorityPrivilege 1160 smsm.exe Token: 33 1160 smsm.exe Token: SeIncBasePriorityPrivilege 1160 smsm.exe Token: 33 1160 smsm.exe Token: SeIncBasePriorityPrivilege 1160 smsm.exe Token: 33 1160 smsm.exe Token: SeIncBasePriorityPrivilege 1160 smsm.exe Token: 33 1160 smsm.exe Token: SeIncBasePriorityPrivilege 1160 smsm.exe Token: 33 1160 smsm.exe Token: SeIncBasePriorityPrivilege 1160 smsm.exe Token: 33 1160 smsm.exe Token: SeIncBasePriorityPrivilege 1160 smsm.exe Token: 33 1160 smsm.exe Token: SeIncBasePriorityPrivilege 1160 smsm.exe Token: 33 1160 smsm.exe Token: SeIncBasePriorityPrivilege 1160 smsm.exe Token: 33 1160 smsm.exe Token: SeIncBasePriorityPrivilege 1160 smsm.exe Token: 33 1160 smsm.exe Token: SeIncBasePriorityPrivilege 1160 smsm.exe Token: 33 1160 smsm.exe Token: SeIncBasePriorityPrivilege 1160 smsm.exe Token: 33 1160 smsm.exe Token: SeIncBasePriorityPrivilege 1160 smsm.exe Token: 33 1160 smsm.exe Token: SeIncBasePriorityPrivilege 1160 smsm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2020 wrote to memory of 1160 2020 91095a7a271af53106eb3fbbdc51c20a_JaffaCakes118.exe 28 PID 2020 wrote to memory of 1160 2020 91095a7a271af53106eb3fbbdc51c20a_JaffaCakes118.exe 28 PID 2020 wrote to memory of 1160 2020 91095a7a271af53106eb3fbbdc51c20a_JaffaCakes118.exe 28 PID 2020 wrote to memory of 1160 2020 91095a7a271af53106eb3fbbdc51c20a_JaffaCakes118.exe 28 PID 1160 wrote to memory of 2688 1160 smsm.exe 29 PID 1160 wrote to memory of 2688 1160 smsm.exe 29 PID 1160 wrote to memory of 2688 1160 smsm.exe 29 PID 1160 wrote to memory of 2688 1160 smsm.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\91095a7a271af53106eb3fbbdc51c20a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\91095a7a271af53106eb3fbbdc51c20a_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Users\Admin\AppData\Roaming\smsm.exe"C:\Users\Admin\AppData\Roaming\smsm.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1160 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\smsm.exe" "smsm.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:2688
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
446KB
MD591095a7a271af53106eb3fbbdc51c20a
SHA120a3c093653afc1f2c5aeb6851e61dbc3e961ee1
SHA2562a3a5f544051d55d3182e207d3064fcd7edebd879665a14a9d1da3f9e92752c3
SHA512e0680c56a197bbb4f79d0a712812dcaaf695dbe911d0b8697c1f0347915021d20d4aabc4c031fd607eb4fa6c4b6ba64de4b04e502f69e461a2ae5f93a81261c9