Static task
static1
Behavioral task
behavioral1
Sample
.t/invitation.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
.t/invitation.pdf
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
.t/scholar.exe
Resource
win7-20240215-en
Behavioral task
behavioral4
Sample
.t/scholar.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
invitation-letter.lnk
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
invitation-letter.lnk
Resource
win10v2004-20240226-en
General
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Target
69c3a92757f79a0020cf1711cda4a724633d535f75bbef2bd74e07a902831d59.iso
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Size
19.8MB
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MD5
9f8eee2c2096fd9c78488d71af45e59a
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SHA1
8a9798dc659ffb0c010a33cfcdb59d588741ed5c
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SHA256
69c3a92757f79a0020cf1711cda4a724633d535f75bbef2bd74e07a902831d59
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SHA512
14ef82a8565fcf8df06fdf341b0ebc1762910ef6545e7fe110b9278d3f86d479c299a2ff58eed6a220a43070d8371963d4bb9be9c4de41d8dffbdb13a74ece3a
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SSDEEP
196608:F6U0oQCpWD0gCLm+CaLmPtL/8DDy/C25mjrhUXGyby:F6U0oQCpWD0gCLHmPtLEH2CWmXB
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack002/.t/scholar.exe
Files
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69c3a92757f79a0020cf1711cda4a724633d535f75bbef2bd74e07a902831d59.iso.iso
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out.iso.iso
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.t/invitation.pdf.pdf
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.t/scholar.exe.exe windows:6 windows x64 arch:x64
4f2f006e2ecf7172ad368f8289dc96c1
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
kernel32
WriteFile
WriteConsoleW
WerSetFlags
WerGetFlags
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
TlsAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetUnhandledExceptionFilter
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
ResumeThread
RaiseFailFastException
PostQueuedCompletionStatus
LoadLibraryW
LoadLibraryExW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetErrorMode
GetEnvironmentStringsW
GetCurrentThreadId
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateThread
CreateIoCompletionPort
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler
Sections
.text Size: 11.6MB - Virtual size: 11.6MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 7.3MB - Virtual size: 7.3MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 349KB - Virtual size: 845KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 267KB - Virtual size: 267KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 512B - Virtual size: 168B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 194KB - Virtual size: 193KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.symtab Size: 512B - Virtual size: 4B
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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invitation-letter.lnk.lnk