Behavioral task
behavioral1
Sample
d4c8ee3a3d4faf80d7c6314c9bc8a20c9f238995b82fd3929ffb9bbad2925ea6.exe
Resource
win7-20240221-en
General
-
Target
d4c8ee3a3d4faf80d7c6314c9bc8a20c9f238995b82fd3929ffb9bbad2925ea6
-
Size
38KB
-
MD5
8b1f08f0b1afef90d479cd1cd87804f8
-
SHA1
bcaa3fd42442ff52e843e9f32d76a080fd98396f
-
SHA256
d4c8ee3a3d4faf80d7c6314c9bc8a20c9f238995b82fd3929ffb9bbad2925ea6
-
SHA512
39c80921a14939f5d854ab0eccfc08d8c24044c2a8866ac0dfc6677b1dea4f21f7d05d2fb310ed2a064de870fb12559e2d94eda10bab45d6f5ed3d49248883cb
-
SSDEEP
768:4X0LTtQdfpfYL/7aAmkKKKK4555dkkkkp:hPtQZpAL/7aAmkKKKKikkkkp
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 d4c8ee3a3d4faf80d7c6314c9bc8a20c9f238995b82fd3929ffb9bbad2925ea6 unpack001/out.upx
Files
-
d4c8ee3a3d4faf80d7c6314c9bc8a20c9f238995b82fd3929ffb9bbad2925ea6.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: 19KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 8KB
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: 36KB - Virtual size: 32KB
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