Behavioral task
behavioral1
Sample
wollf.exe
Resource
win7-20240708-en
General
-
Target
a15ffaedd09ad69db27c04050ef12806_JaffaCakes118
-
Size
43KB
-
MD5
a15ffaedd09ad69db27c04050ef12806
-
SHA1
0d030f2dc7de99bb28cbaa67ae99548001169af3
-
SHA256
4368e549fd025152c42b1b322bb9722bd6c63d7e6815dda3e1f4b5685d6c0c49
-
SHA512
23ef3ed6eab9b91ce5bc0a75e8c16d69aced2721ed7da9c6a4eb910a4da53a01f794039546a17d1fc9184621d9542393f4365539edc5c05e71e1cbd3d06c2099
-
SSDEEP
768:TvoNGBRkva3DwGoEmHgFRD1AgKttgxdt5+IYLVbN+/VG/yCoRDSYFxwg+BKOFZxz:ENGtTO7H4RuBttgxdt5+Iun/yCoRDSA2
Malware Config
Signatures
-
resource yara_rule static1/unpack001/wollf.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/wollf.exe unpack002/out.upx
Files
-
a15ffaedd09ad69db27c04050ef12806_JaffaCakes118.zip
-
config_howto.txt
-
readme.txt
-
wollf.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: 60KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 40KB - Virtual size: 44KB
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 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: 64KB - Virtual size: 63KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 8KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 12KB - Virtual size: 19KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE