Behavioral task
behavioral1
Sample
b4543fb6423e23da139b228cc88448d9.exe
Resource
win7-20240220-en
General
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Target
b4543fb6423e23da139b228cc88448d9
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Size
160KB
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MD5
b4543fb6423e23da139b228cc88448d9
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SHA1
cc6af5732448816ff881b2ad686527e5ea189fa0
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SHA256
b70fbb92785123691fa77f3727d49580ea04585079a146fc9ac62d92118934aa
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SHA512
d97ad34642536308e89aa7c6e1a67df9419ba14247063d70205c3386ab451bd658f9f08dacfec69824785584cc7b06fae9c1a7f3ba0eab8db80bde6197348239
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SSDEEP
1536:CKVdmQr3Z5IfQmv81a7pP1x3yX+tiTZynmjspTzH:V08JOfQm01q9x3yX+4TSm4pTr
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource b4543fb6423e23da139b228cc88448d9
Files
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b4543fb6423e23da139b228cc88448d9.exe windows:4 windows x86 arch:x86
114d582a5621464ba45b2f4e302c876b
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
ReleaseMutex
Sleep
lstrcpyA
CreateProcessA
TerminateProcess
ExitThread
GetStartupInfoA
GetModuleHandleA
WaitForSingleObject
GetModuleFileNameA
CreateFileA
SetFilePointer
WriteFile
lstrcpynA
lstrlenA
OpenMutexA
GetComputerNameA
ExitProcess
GetCurrentProcess
GetCurrentThread
CloseHandle
CreateThread
LoadLibraryA
GetProcAddress
GetSystemDefaultUILanguage
GetTickCount
iphlpapi
GetAdaptersInfo
GetIfTable
mfc42
ord823
ord825
msvcrt
_controlfp
__set_app_type
__p__fmode
__p__commode
_adjust_fdiv
__setusermatherr
_initterm
__getmainargs
_acmdln
exit
_XcptFilter
_exit
_except_handler3
strstr
strcspn
strncpy
atoi
time
srand
rand
realloc
free
malloc
sprintf
shell32
ShellExecuteA
ShellExecuteExA
SHChangeNotify
shlwapi
SHDeleteKeyA
user32
wsprintfA
ws2_32
setsockopt
recv
__WSAFDIsSet
select
send
WSAIoctl
WSAStartup
htons
inet_ntoa
htonl
socket
connect
closesocket
inet_addr
sendto
WSACleanup
Sections
UPX0 Size: 56KB - Virtual size: 56KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 20KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 80KB - Virtual size: 80KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE