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Analysis
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max time kernel
118s -
max time network
97s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10/11/2024, 14:52
Behavioral task
behavioral1
Sample
914c13eba46fd96b705be5602b857d34957ff62b26faf097c227212aca3eca64N.exe
Resource
win7-20240903-en
9 signatures
120 seconds
General
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Target
914c13eba46fd96b705be5602b857d34957ff62b26faf097c227212aca3eca64N.exe
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Size
49KB
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MD5
c9c78c82acbd692327ecba6d58a2b910
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SHA1
66298355bfa817b7a5994103ddd6ebc23dba3e36
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SHA256
914c13eba46fd96b705be5602b857d34957ff62b26faf097c227212aca3eca64
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SHA512
5d3d188e71f864852fcc11e7a3b734e01c4f2cd00cb7ef0428b6211b537096a8655fa1be0990274fca0ff522d68c8df617ffd1ade69dadaec4e7afa724ab2be2
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SSDEEP
1536:JOBLXNqgzf2v6b6NkXklZlogHGe9eBXW:JYLduv6OqXIlogmjW
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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\F07E3CDB = "C:\\Users\\Admin\\AppData\\Roaming\\F07E3CDB\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/2460-0-0x0000000000400000-0x000000000041D000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 1056 4036 WerFault.exe 84 -
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 winver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 914c13eba46fd96b705be5602b857d34957ff62b26faf097c227212aca3eca64N.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Explorer.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4036 winver.exe 4036 winver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3468 Explorer.EXE Token: SeCreatePagefilePrivilege 3468 Explorer.EXE -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 4036 winver.exe 3468 Explorer.EXE 3468 Explorer.EXE -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3468 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2460 wrote to memory of 4036 2460 914c13eba46fd96b705be5602b857d34957ff62b26faf097c227212aca3eca64N.exe 84 PID 2460 wrote to memory of 4036 2460 914c13eba46fd96b705be5602b857d34957ff62b26faf097c227212aca3eca64N.exe 84 PID 2460 wrote to memory of 4036 2460 914c13eba46fd96b705be5602b857d34957ff62b26faf097c227212aca3eca64N.exe 84 PID 2460 wrote to memory of 4036 2460 914c13eba46fd96b705be5602b857d34957ff62b26faf097c227212aca3eca64N.exe 84 PID 4036 wrote to memory of 3468 4036 winver.exe 56 PID 4036 wrote to memory of 2968 4036 winver.exe 50
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2968
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3468 -
C:\Users\Admin\AppData\Local\Temp\914c13eba46fd96b705be5602b857d34957ff62b26faf097c227212aca3eca64N.exe"C:\Users\Admin\AppData\Local\Temp\914c13eba46fd96b705be5602b857d34957ff62b26faf097c227212aca3eca64N.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2460 -
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:4036 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 3524⤵
- Program crash
PID:1056
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4036 -ip 40361⤵PID:2444