Behavioral task
behavioral1
Sample
f875b523ef8b94409933bfb97bf7f9c0_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
f875b523ef8b94409933bfb97bf7f9c0_JC.exe
Resource
win10v2004-20230915-en
General
-
Target
f875b523ef8b94409933bfb97bf7f9c0_JC.exe
-
Size
285KB
-
MD5
f875b523ef8b94409933bfb97bf7f9c0
-
SHA1
180d31c6782e3deae44422aa1d9f4318a714b1fd
-
SHA256
fa0eb67d5a23d264817924f4e248548e5de77d847e9d3304eb29aa5c68669823
-
SHA512
3ffbe7f40b8a6142df7d6eeb16947ceebffcf574ec293ade5b4af23e2ed170f91034f10b55b7d4e6a2b6929a0adcc0f861aead8eeb24692c467b5542c9b40f5e
-
SSDEEP
6144:0iszsay1w5oxw7FualgIfQ1bSS3bSv8bSxbSankP+6bKRQOhnkP+6bHwq:0FzByS5hpubZtIeeQ+I+2wq
Malware Config
Signatures
-
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource f875b523ef8b94409933bfb97bf7f9c0_JC.exe unpack001/out.upx
Files
-
f875b523ef8b94409933bfb97bf7f9c0_JC.exe.exe windows:4 windows 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: 40KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 6KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
-
out.upx.exe windows:4 windows 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
.bss Size: - Virtual size: 26KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE