MyDoom[.]A[.]exe | Triage

Sharing

General

Target

MyDoom.A.exe
Size

22KB
MD5

53df39092394741514bc050f3d6a06a9
SHA1

f91a4d7ac276b8e8b7ae41c22587c89a39ddcea5
SHA256

fff0ccf5feaf5d46b295f770ad398b6d572909b00e2b8bcd1b1c286c70cd9151
SHA512

9792017109cf6ffc783e67be2a4361aa2c0792a359718434fec53e83feed6a9a2f0f331e9951f798e7fb89421fdc1ac0e083527c3d3b6dd71b7fdd90836023a0
SSDEEP

384:96ZQHXcE7hUHwT56cC9Kg65JdwGADkHw/Rjxtuu7VIGGwQWEqpD6:CavuHAUcW/ojwG6kHw/lxqbW

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

resource	yara_rule
sample	upx

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
MyDoom.A.exe
unpack001/out.upx

Files

MyDoom.A.exe
.exe windows:4 windows x86 arch:x86

Password: infected

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: 24KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 20KB - Virtual size: 20KB

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: 31KB - Virtual size: 30KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 512B - Virtual size: 496B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ