Behavioral task
behavioral1
Sample
75a54b7bce735c9c5bdf7833af67af55fdc6e11e1324d8bf265f2f71fde8fd68.exe
Resource
win7-20240220-en
General
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Target
75a54b7bce735c9c5bdf7833af67af55fdc6e11e1324d8bf265f2f71fde8fd68
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Size
166KB
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MD5
1afb0a8f817a74ee1778130fa078674a
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SHA1
6fe99b8c01fa3678491eda9ac99c0d006fd099d7
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SHA256
75a54b7bce735c9c5bdf7833af67af55fdc6e11e1324d8bf265f2f71fde8fd68
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SHA512
3ee404f3c46adfe3f9b1ede1e882dfb60590c03af6ffd7041b35c2d3304563a20d9fae2d7db56ac1468271777c420c785026b572c9f9813fb8252e630b96542a
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SSDEEP
1536:i2WDcOpULCH0a+TNXyyXetH28JZveKivnMIIId:zWDuLzZXyyXeECveDnMIIId
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 75a54b7bce735c9c5bdf7833af67af55fdc6e11e1324d8bf265f2f71fde8fd68
Files
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75a54b7bce735c9c5bdf7833af67af55fdc6e11e1324d8bf265f2f71fde8fd68.exe windows:4 windows x86 arch:x86
6db8353c2b6461197c203cc61d20792e
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
ExitProcess
Sleep
lstrcpyA
CreateProcessA
TerminateProcess
ExitThread
GetStartupInfoA
GetModuleHandleA
WaitForSingleObject
CreateFileA
SetFilePointer
WriteFile
lstrcpynA
lstrlenA
OpenMutexA
ReleaseMutex
GetComputerNameA
GetCurrentProcess
GetCurrentThread
CloseHandle
CreateThread
LoadLibraryA
GetProcAddress
GetSystemDefaultUILanguage
GetTickCount
iphlpapi
GetIfTable
GetAdaptersInfo
mfc42
ord823
ord825
msvcrt
_controlfp
__set_app_type
__p__fmode
__p__commode
_adjust_fdiv
__setusermatherr
_initterm
__getmainargs
_acmdln
exit
_XcptFilter
_exit
strncmp
_except_handler3
strstr
strcspn
strncpy
atoi
time
srand
rand
realloc
free
malloc
sprintf
shell32
SHChangeNotify
ShellExecuteExA
ShellExecuteA
shlwapi
SHDeleteKeyA
user32
GetDesktopWindow
wsprintfA
ws2_32
setsockopt
recv
__WSAFDIsSet
select
WSAIoctl
closesocket
WSAStartup
inet_ntoa
htonl
WSACleanup
socket
connect
send
inet_addr
sendto
htons
Sections
UPX0 Size: 64KB - Virtual size: 64KB
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: 76KB - Virtual size: 76KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE