Behavioral task
behavioral1
Sample
99df07de289b10248e310e50b1ef2b1bcbcd43d876641d226e4476f06723bfef.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
99df07de289b10248e310e50b1ef2b1bcbcd43d876641d226e4476f06723bfef.exe
Resource
win10v2004-20240419-en
General
-
Target
99df07de289b10248e310e50b1ef2b1bcbcd43d876641d226e4476f06723bfef
-
Size
41KB
-
MD5
e781738e59842f7d83bfcde105e70f4a
-
SHA1
427b7c772e2e3b778d981f47b8f87a4e8503e164
-
SHA256
99df07de289b10248e310e50b1ef2b1bcbcd43d876641d226e4476f06723bfef
-
SHA512
a07c869c647a44882f9f74ae831a182017dbd42258479cacd1951761569af3d17bdc59ec5eac5ccc7a3f89f5b558f81d7f40a20e8c5f44619fe9e409d34dfa9d
-
SSDEEP
768:730FGFPV7m8rg7IVoTLIKyXCCC+1VVVOHHHOXXX6niiiiI:gFExmIOIVoIKcVVVOHHHi
Malware Config
Signatures
-
Detects Windows executables referencing non-Windows User-Agents 1 IoCs
resource yara_rule static1/unpack001/out.upx INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 99df07de289b10248e310e50b1ef2b1bcbcd43d876641d226e4476f06723bfef unpack001/out.upx
Files
-
99df07de289b10248e310e50b1ef2b1bcbcd43d876641d226e4476f06723bfef.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: 36KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 14KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - 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: 20KB - Virtual size: 19KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 2KB
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: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.htext Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE