chem-02240[.]pdf[.]rar

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General

Target

chem-02240.pdf.rar
Size

567KB
MD5

afac1ad63e887086a830f32876daa668
SHA1

c2d2ed08bea2b84c9dde32554ea142b2648b1267
SHA256

445930202c0e76a5bbe533f9ac534d6ae2e7d4ccf2d03423e21c0b4d23d740d7
SHA512

defa654ec83843f50c15a520515908a56f417c3a7455cbdcfd2f275206396cfae4606dac145c733842999aaba216bd84e3ff465078da48b3e779222c4e0e287e
SSDEEP

12288:n7rLRmytZExL94lLXQHIOfguJX2RWPfW6tBJ:njRAL4MHIygsZW6tBJ

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/chem-02240.pdf.exe

Files

chem-02240.pdf.rar
.rar
chem-02240.pdf.exe
.exe windows:4 windows x64 arch:x64

7784ee5a6aeef82638325bbd76f1029f

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Imports

advapi32

CopySid
GetLengthSid
GetTokenInformation
IsValidSid
LookupAccountSidW
OpenProcessToken
SystemFunction036

iphlpapi

FreeMibTable
GetAdaptersAddresses
GetIfEntry2
GetIfTable2

kernel32

AcquireSRWLockExclusive
AcquireSRWLockShared
AddVectoredExceptionHandler
CloseHandle
CreateFileMappingA
CreateFileW
CreateThread
CreateToolhelp32Snapshot
DeviceIoControl
DuplicateHandle
FormatMessageW
GetConsoleMode
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentThread
GetDiskFreeSpaceExW
GetDriveTypeW
GetEnvironmentVariableW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFullPathNameW
GetLastError
GetLogicalDrives
GetModuleHandleA
GetModuleHandleW
GetProcAddress
GetProcessHeap
GetProcessIoCounters
GetProcessTimes
GetStartupInfoA
GetStdHandle
GetSystemInfo
GetSystemTimeAsFileTime
GetSystemTimes
GetTickCount64
GetVolumeInformationW
GlobalMemoryStatusEx
HeapAlloc
HeapFree
HeapReAlloc
InitOnceBeginInitialize
InitOnceComplete
LocalFree
MapViewOfFile
Module32FirstW
Module32NextW
MultiByteToWideChar
OpenProcess
ReadProcessMemory
ReleaseSRWLockExclusive
ReleaseSRWLockShared
SetLastError
SetThreadStackGuarantee
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SwitchToThread
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnmapViewOfFile
VirtualQueryEx
WaitForSingleObject
WakeAllConditionVariable
WakeConditionVariable
WriteConsoleW
DeleteCriticalSection
EnterCriticalSection
InitializeCriticalSection
LeaveCriticalSection
RaiseException
RtlUnwindEx
VirtualProtect
VirtualQuery
__C_specific_handler

netapi32

NetApiBufferFree
NetUserEnum
NetUserGetInfo
NetUserGetLocalGroups

ntdll

NtAllocateVirtualMemory
NtCreateThreadEx
NtOpenProcess
NtProtectVirtualMemory
NtQueryInformationProcess
NtQuerySystemInformation
NtWriteFile
NtWriteVirtualMemory
RtlCaptureContext
RtlGetVersion
RtlLookupFunctionEntry
RtlNtStatusToDosError
RtlVirtualUnwind

ole32

CoCreateInstance
CoInitializeEx
CoInitializeSecurity
CoSetProxyBlanket
CoUninitialize

oleaut32

SysAllocString
SysFreeString
VariantClear

pdh

PdhAddEnglishCounterW
PdhCloseQuery
PdhCollectQueryData
PdhGetFormattedCounterValue
PdhOpenQueryA
PdhRemoveCounter

powrprof

CallNtPowerInformation

psapi

GetModuleFileNameExW
GetPerformanceInfo

secur32

LsaEnumerateLogonSessions
LsaFreeReturnBuffer
LsaGetLogonSessionData

shell32

CommandLineToArgvW

bcrypt

BCryptGenRandom

msvcrt

__getmainargs
__initenv
__iob_func
__lconv_init
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_cexit
_commode
_fmode
_fpreset
_initterm
_onexit
abort
calloc
exit
fprintf
free
fwrite
malloc
memcmp
memcpy
memmove
memset
realloc
signal
strlen
strncmp
vfprintf
wcslen

Sections

packer.
Size: 284KB - Virtual size: 284KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.nsp2
Size: 512B - Virtual size: 448B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.boom
Size: 445KB - Virtual size: 445KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.MPRESS2
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tsustub
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.nsp1
Size: - Virtual size: 640B

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.debug$F
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.shared
Size: 512B - Virtual size: 120B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.nah
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.text0
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

7784ee5a6aeef82638325bbd76f1029f

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

iphlpapi

kernel32

netapi32

ntdll

ole32

oleaut32

pdh

powrprof

psapi

secur32

shell32

bcrypt

msvcrt

Sections

packer. Size: 284KB - Virtual size: 284KB

.nsp2 Size: 512B - Virtual size: 448B

.boom Size: 445KB - Virtual size: 445KB

.MPRESS2 Size: 7KB - Virtual size: 7KB

.tsustub Size: 12KB - Virtual size: 11KB

.nsp1 Size: - Virtual size: 640B

.debug$F Size: 7KB - Virtual size: 6KB

.shared Size: 512B - Virtual size: 120B

.nah Size: 512B - Virtual size: 16B

.text0 Size: 1KB - Virtual size: 1KB

packer.
Size: 284KB - Virtual size: 284KB

.nsp2
Size: 512B - Virtual size: 448B

.boom
Size: 445KB - Virtual size: 445KB

.MPRESS2
Size: 7KB - Virtual size: 7KB

.tsustub
Size: 12KB - Virtual size: 11KB

.nsp1
Size: - Virtual size: 640B

.debug$F
Size: 7KB - Virtual size: 6KB

.shared
Size: 512B - Virtual size: 120B

.nah
Size: 512B - Virtual size: 16B

.text0
Size: 1KB - Virtual size: 1KB