Behavioral task
behavioral1
Sample
901573eb0a2d300119271d31b80f0dc16e90b59cd8bf0d83770886cdc2f8a1a9.exe
Resource
win7-20240221-en
General
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Target
901573eb0a2d300119271d31b80f0dc16e90b59cd8bf0d83770886cdc2f8a1a9
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Size
160KB
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MD5
af849fb1d700a8879405875a363dfa5a
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SHA1
fb4e0aec2d0efe7c416e5dd580d598f31d918a73
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SHA256
901573eb0a2d300119271d31b80f0dc16e90b59cd8bf0d83770886cdc2f8a1a9
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SHA512
58ea51ac89bf2768f535ff5a7aa083a5e10fe38896409af7a57eccb8a64e97de3c72b04f688c4ef38e104ca99208481f85557d1c847b9c52f6d17ab2a6586cfd
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SSDEEP
1536:FVdmQr3Z5IfQmv81x7pP183yX+taguSTzT:f08JOfQm01/983yX+UQTP
Malware Config
Signatures
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Detects Windows executables referencing non-Windows User-Agents 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 901573eb0a2d300119271d31b80f0dc16e90b59cd8bf0d83770886cdc2f8a1a9
Files
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901573eb0a2d300119271d31b80f0dc16e90b59cd8bf0d83770886cdc2f8a1a9.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