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Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24/01/2025, 23:34
Behavioral task
behavioral1
Sample
203fa5b045bcc12dfe50844639897dea253bbbc19a0480d10e6f73eac37323d8N.exe
Resource
win7-20241010-en
General
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Target
203fa5b045bcc12dfe50844639897dea253bbbc19a0480d10e6f73eac37323d8N.exe
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Size
110KB
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MD5
26ed580ce355ffd8a6082f9413e74a10
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SHA1
c473cd5f724a259318f3beac83a4527e6294349a
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SHA256
203fa5b045bcc12dfe50844639897dea253bbbc19a0480d10e6f73eac37323d8
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SHA512
c22e85001c4cdae3e4b1c1b8902aa33c6c9aabc46f452e660938837c982ff3a3eab26d15e39960ff22b2d06d78a79ba01341cd06ca3b88bc3c245a0f40373a65
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SSDEEP
1536:fiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:fiyvRmDLs/ZrwWJjAqGcRJ2hw
Malware Config
Signatures
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Tinba family
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CFEF8781 = "C:\\Users\\Admin\\AppData\\Roaming\\CFEF8781\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/4140-0-0x0000000000400000-0x000000000041E000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 1228 2232 WerFault.exe 83 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 203fa5b045bcc12dfe50844639897dea253bbbc19a0480d10e6f73eac37323d8N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2232 winver.exe 2232 winver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3352 Explorer.EXE Token: SeCreatePagefilePrivilege 3352 Explorer.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2232 winver.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4140 wrote to memory of 2232 4140 203fa5b045bcc12dfe50844639897dea253bbbc19a0480d10e6f73eac37323d8N.exe 83 PID 4140 wrote to memory of 2232 4140 203fa5b045bcc12dfe50844639897dea253bbbc19a0480d10e6f73eac37323d8N.exe 83 PID 4140 wrote to memory of 2232 4140 203fa5b045bcc12dfe50844639897dea253bbbc19a0480d10e6f73eac37323d8N.exe 83 PID 4140 wrote to memory of 2232 4140 203fa5b045bcc12dfe50844639897dea253bbbc19a0480d10e6f73eac37323d8N.exe 83 PID 2232 wrote to memory of 3352 2232 winver.exe 56 PID 2232 wrote to memory of 2804 2232 winver.exe 49
Processes
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2804
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3352 -
C:\Users\Admin\AppData\Local\Temp\203fa5b045bcc12dfe50844639897dea253bbbc19a0480d10e6f73eac37323d8N.exe"C:\Users\Admin\AppData\Local\Temp\203fa5b045bcc12dfe50844639897dea253bbbc19a0480d10e6f73eac37323d8N.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4140 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2232 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 3524⤵
- Program crash
PID:1228
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2232 -ip 22321⤵PID:2756