Behavioral task
behavioral1
Sample
8cc199b4a54af81dae524d1e435bd40f_JaffaCakes118.exe
Resource
win7-20240704-en
General
-
Target
8cc199b4a54af81dae524d1e435bd40f_JaffaCakes118
-
Size
127KB
-
MD5
8cc199b4a54af81dae524d1e435bd40f
-
SHA1
49273e8b492ae903e7fbc7b75b44c1efbe588af5
-
SHA256
920aa69edc248741f706b475761731963a84adcdb8bfaf894da213567a13c5ff
-
SHA512
4b91812b909977d06cc1ae36a7e14007b6fa17ee73f6fb464025f049ed817984c4b8464645b3b75b93afda5ad7f7c5e73bc1c5fcdf276084191dc5d0658a41eb
-
SSDEEP
1536:12ldVq/ThQf7oYHs+xaqO8QKl3URKJm7ZGviyrga767nktZwm+oIW/SHN8:12NSmZ/xaqO8F3yKaYPM7ktZwzoIW/z
Malware Config
Signatures
-
Patched UPX-packed file 1 IoCs
Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.
resource yara_rule static1/unpack001/out.upx patched_upx -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 8cc199b4a54af81dae524d1e435bd40f_JaffaCakes118 unpack001/out.upx
Files
-
8cc199b4a54af81dae524d1e435bd40f_JaffaCakes118.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: 128KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 87KB - Virtual size: 88KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
-
out.upx.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
.text Size: 128KB - Virtual size: 126KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 68KB - Virtual size: 66KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 840B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ