Behavioral task
behavioral1
Sample
21f9533716244b93403c1b8b760dfb8e.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
21f9533716244b93403c1b8b760dfb8e.exe
Resource
win10v2004-20231215-en
General
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Target
21f9533716244b93403c1b8b760dfb8e
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Size
196KB
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MD5
21f9533716244b93403c1b8b760dfb8e
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SHA1
b28a58a390b4d2d05e933ce122d2ffdb4ec9ba65
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SHA256
7e517004bef2aa9b43b60f4c55aef23bea7a7f872e457d39de169252661bb39c
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SHA512
7bfdbc6cc7af430817dd80de9bb541f4dd5df859108be97a0cda66a45513008a9b9027bc44505c8133c60f6e746c6cfbf3052d75b834ac741565730bd9c1bd4c
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SSDEEP
3072:RqsEGREVgXZ7O9fOrOYe+tIFNhvmbPSNWE1S/T84hezXaT:R+GRogsBOr9eX9mbPSNWE1SI4C
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 21f9533716244b93403c1b8b760dfb8e
Files
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21f9533716244b93403c1b8b760dfb8e.exe windows:4 windows x86 arch:x86
4b20cd2476e2729bd2a7bc9df9176474
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
advapi32
RegOpenKeyExA
RegQueryValueExA
RegEnumKeyA
RegCloseKey
user32
MessageBoxA
msvcrt
free
perror
malloc
fclose
fwrite
fread
strncmp
fopen
strspn
strcspn
fgets
strchr
strrchr
__p___argc
__p___argv
exit
__p__environ
_putenv
printf
getenv
_pctype
sprintf
__mb_cur_max
calloc
_exit
_XcptFilter
_acmdln
__getmainargs
_initterm
__setusermatherr
_adjust_fdiv
__p__commode
__p__fmode
__set_app_type
_except_handler3
_controlfp
_iob
fprintf
memmove
strpbrk
__initenv
_isctype
_strnicmp
_stricmp
_strdup
_stat
_spawnv
_read
_close
_open
_lseek
kernel32
GetStartupInfoA
QueryPerformanceFrequency
GetModuleHandleA
GetModuleFileNameA
LoadLibraryA
GetProcAddress
QueryPerformanceCounter
Sections
.text Size: 24KB - Virtual size: 21KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 12KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 968B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
UPX0 Size: 144KB - Virtual size: 380KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE