BackdoorMSILCrysanhcg-b2c_JC[.]rar

General

Target

BackdoorMSILCrysanhcg-b2c_JC.rar
Size

418KB
MD5

14840aee4d09f3a7eac95d4bcbdb8ccc
SHA1

af8b49054caf2f9972868b10259060fe5ca43a50
SHA256

b2cdc3a3e85a67ca00f8c7898c95132b8e1061576f83249e60a292c3ffb93f3f
SHA512

d6253b8b5851f4b7cf81cfb7db95d45c1f2e6d52b46ddfaf5bfe52797c8407d80b0a4606eddb5ddf2db1f254e1a1c553b16b80dbdf0a16a392635a9785bba792
SSDEEP

12288:+qqIBo3nBTRxgeVY/Ls//iclMoIcjzWmj:nqIQnTieuFH6z7j

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/RFQ#0003725812.pdf.exe

Files

BackdoorMSILCrysanhcg-b2c_JC.rar
.rar
RFQ#0003725812.pdf.exe
.exe windows x64

f0ea7b7844bbc5bfa9bb32efdcea957c

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
IMAGE_FILE_DEBUG_STRIPPED

Imports

kernel32

WriteFile
WriteConsoleW
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
TlsAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetUnhandledExceptionFilter
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
ResumeThread
PostQueuedCompletionStatus
LoadLibraryA
LoadLibraryW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetEnvironmentStringsW
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateThread
CreateIoCompletionPort
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler

Sections

.text
Size: 403KB - Virtual size: 402KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 459KB - Virtual size: 458KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 97KB - Virtual size: 446KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 6KB - Virtual size: 6KB

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

Sharing

General

Malware Config

Signatures

Files

f0ea7b7844bbc5bfa9bb32efdcea957c

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 403KB - Virtual size: 402KB

.rdata Size: 459KB - Virtual size: 458KB

.data Size: 97KB - Virtual size: 446KB

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

.reloc Size: 6KB - Virtual size: 6KB

.symtab Size: 512B - Virtual size: 4B

.text
Size: 403KB - Virtual size: 402KB

.rdata
Size: 459KB - Virtual size: 458KB

.data
Size: 97KB - Virtual size: 446KB

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

.reloc
Size: 6KB - Virtual size: 6KB

.symtab
Size: 512B - Virtual size: 4B