Static task
static1
Behavioral task
behavioral1
Sample
tfiber.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
tfiber.exe
Resource
win10v2004-20230220-en
General
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Target
tfiber.exe
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Size
3.2MB
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MD5
d99095ea2b7da873355e6301f6844b8b
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SHA1
262752fd6d6de1ba5413b723e4e3808b63bb88de
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SHA256
ab588f39280976b628bf2721fc8257de92b5a1ba7708f14cbfb527abeee246eb
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SHA512
999cd8172154265d8fae00a6665310fd6e5b1e4bd8e3b9db4206ad9346c539e66bdf4a7902029bba718e769140d0b16087a32c11691aa78dd3141f7f8baf02f4
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SSDEEP
49152:Ofx/GMaDdINSB/XNDExyoMGprQ6BK8qWrITCbIkHIC/xC1m:Ofx/SDdINMEx9MGpJrm5kHPa
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource tfiber.exe
Files
-
tfiber.exe.exe windows x86
1cd364a9e949d5ecebd6c614e64bc545
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
WriteFile
WriteConsoleW
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
SwitchToThread
SetWaitableTimer
SetUnhandledExceptionFilter
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
LoadLibraryA
LoadLibraryW
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatus
GetProcessAffinityMask
GetProcAddress
GetEnvironmentStringsW
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateThread
CreateIoCompletionPort
CreateEventA
CloseHandle
AddVectoredExceptionHandler
Sections
.text Size: 1.0MB - Virtual size: 1.0MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1.1MB - Virtual size: 1.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 82KB - Virtual size: 170KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
/4 Size: 512B - Virtual size: 281B
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/19 Size: 163KB - Virtual size: 162KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/32 Size: 40KB - Virtual size: 40KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/46 Size: 10KB - Virtual size: 10KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/63 Size: 21KB - Virtual size: 21KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/80 Size: 512B - Virtual size: 42B
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/99 Size: 288KB - Virtual size: 288KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/112 Size: 187KB - Virtual size: 187KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/124 Size: 55KB - Virtual size: 55KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.idata Size: 1024B - Virtual size: 816B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.symtab Size: 200KB - Virtual size: 200KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ