Behavioral task
behavioral1
Sample
OInstall.exe
Resource
win7-20240903-en
General
-
Target
OInstall.exe
-
Size
10.9MB
-
MD5
baf830619bbb4d2e70953fa4239a4417
-
SHA1
c81bcaf465188a788bcad376794056faabd1e879
-
SHA256
04a5dfafd4526fe372100b26cd6977a815b50ebd95173fb6d0045ce0087e4516
-
SHA512
5602c32c0b9532932edb30b0a82352c2f2f8e926dd73a77983b0463d1d763d0465be52c159880162c01a10199c0d1c827614090d983f5709a16710feb929a039
-
SSDEEP
196608:2ZnMGjZsDEsCaYsGEHy61bgUhufRswPU2/V8G:WnjZhsCOU6ZgfPPPuG
Malware Config
Signatures
-
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource OInstall.exe
Files
-
OInstall.exe.exe windows:4 windows x86 arch:x86
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
Sections
UPX0 Size: - Virtual size: 10.7MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10.8MB - Virtual size: 10.8MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 84KB - Virtual size: 88KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE