Behavioral task
behavioral1
Sample
Update.Pdf__________________________________________________________________.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Update.Pdf__________________________________________________________________.exe
Resource
win10v2004-20240226-en
General
-
Target
b9a1d3e31fc4f708798560687a1d14c1
-
Size
43KB
-
MD5
b9a1d3e31fc4f708798560687a1d14c1
-
SHA1
fbd5f31b7a690a740792cc82d3efa93ed29e4861
-
SHA256
9617c73adb67aecc6f70c6b98575be305ed5a8b381010f98dbe66af4abac3022
-
SHA512
b4bbdfe9ff91fb0b82b558f7cc52f6d7c0f9e53bd45b4931c6adf6b4a2393542781854e9d0e2e86b303be5d07ae08bcdf72e1bd0337e6aa00958fd32765d80f1
-
SSDEEP
768:vh8GGyUOp5YKc1ZFOIx+sfvQ0YXYNl6ZT+bmNi+dpRHwFb0fDrNKIqAbzCuz/8ce:5hGLu2Kc7p+sQil2PNiaR5MIqAb/8ckB
Malware Config
Signatures
-
resource yara_rule static1/unpack001/Update.Pdf__________________________________________________________________.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/Update.Pdf__________________________________________________________________.exe unpack002/out.upx
Files
-
b9a1d3e31fc4f708798560687a1d14c1.zip
-
Update.Pdf__________________________________________________________________.exe.exe windows:8 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: 72KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 42KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 3KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
-
out.upx.exe windows:8 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: - Virtual size: 3KB
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.text Size: - Virtual size: 1KB
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.text Size: 42KB - Virtual size: 42KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.text Size: 512B - Virtual size: 3KB
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.text Size: - Virtual size: 2KB
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.text Size: - Virtual size: 1KB
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.text Size: - Virtual size: 2KB
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.text Size: 512B - Virtual size: 3KB
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 17KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.text Size: - Virtual size: 3KB
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ