Worm[.]zip | Triage

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General

Target

Worm.zip
Size

348KB
MD5

c2b30a122e2447cc0b784d8062dc3a0f
SHA1

933b6587ae37db5607a314977f00f79572997442
SHA256

bfbb0c9687fa8e3d87a0d5cbf400d43f6072ba1081ae3e65834bb31e4e5d18e2
SHA512

f1e9376eb146715fa010c61d5b4fdafe9481e2fed558cdd044d8fa87adc501892dd66771aa1b1c336cfb8cd727969251279fc31d32cb6190875fa0644b787096
SSDEEP

6144:DgZoSi5ZU+RND/McLTZ+FWPLnLnGIKlQT3vfsDBIv2gUYoWewpOSdVyP26E/GOWO:Dg6Si5ZU+RNDUATAFkLLnLiQTHsDBI/x

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
static1/unpack004/Email-Worm.MyDoom.A.exe	upx
static1/unpack006/Email-Worm.MyDoom.L.exe	upx
static1/unpack009/Email-Worm.MyDoom.NF.exe	upx

Unsigned PE 6 IoCs

Checks for missing Authenticode signature.

resource
unpack003/Email-Worm.Magistr.exe
unpack004/Email-Worm.MyDoom.A.exe
unpack005/out.upx
unpack006/Email-Worm.MyDoom.L.exe
unpack008/Email-Worm.MyDoom.M.exe
unpack009/Email-Worm.MyDoom.NF.exe

Files

Worm.zip
.zip
Worm/Email-Worm/Email-Worm.AnnaKournikova.zip
.zip

Password: infected
Email-Worm.AnnaKournikova.vbs
.vbs
Worm/Email-Worm/Email-Worm.Magistr.zip
.zip

Password: infected
Email-Worm.Magistr.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

.text
Size: 56KB - Virtual size: 55KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 14KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 28KB - Virtual size: 37KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Worm/Email-Worm/Email-Worm.MyDoom.A.zip
.zip

Password: infected
Email-Worm.MyDoom.A.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: 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
Worm/Email-Worm/Email-Worm.MyDoom.L.zip
.zip

Password: infected
Email-Worm.MyDoom.L.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: 24KB - Virtual size: 24KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 17KB - Virtual size: 20KB

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
Worm/Email-Worm/Email-Worm.MyDoom.M.zip
.zip

Password: infected
Email-Worm.MyDoom.M.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

.text
Size: 28KB - Virtual size: 28KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Worm/Email-Worm/Email-Worm.MyDoom.NF.zip
.zip

Password: infected
Email-Worm.MyDoom.NF.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: 24KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 17KB - Virtual size: 20KB

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
Worm/Email-Worm/Email-Worm.MyDoom.Q.zip
.zip
Worm/Email-Worm/Email-Worm.Mylife.A.zip
.zip
Worm/Email-Worm/Email-Worm.NakedWife.zip
.zip
Worm/Email-Worm/Email-Worm.Nyxem.E.zip
.zip
Worm/Net-Worm/Net-Worm.Sasser.zip
.zip

Sharing

General

Malware Config

Signatures

Files

Password: infected

Password: infected

Headers

File Characteristics

Sections

.text Size: 56KB - Virtual size: 55KB

.rdata Size: 8KB - Virtual size: 8KB

.data Size: 14KB - Virtual size: 19KB

.rsrc Size: 28KB - Virtual size: 37KB

Password: infected

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 24KB

UPX1 Size: 20KB - Virtual size: 20KB

.rsrc Size: 1024B - Virtual size: 4KB

Headers

File Characteristics

Sections

.text Size: 31KB - Virtual size: 30KB

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

Password: infected

Headers

File Characteristics

Sections

UPX0 Size: 24KB - Virtual size: 24KB

UPX1 Size: 17KB - Virtual size: 20KB

.rsrc Size: 2KB - Virtual size: 4KB

Password: infected

Headers

File Characteristics

Sections

.text Size: 28KB - Virtual size: 28KB

.data Size: 8KB - Virtual size: 8KB

.rsrc Size: 1KB - Virtual size: 1KB

Password: infected

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 24KB

UPX1 Size: 17KB - Virtual size: 20KB

.rsrc Size: 2KB - Virtual size: 4KB

.text
Size: 56KB - Virtual size: 55KB

.rdata
Size: 8KB - Virtual size: 8KB

.data
Size: 14KB - Virtual size: 19KB

.rsrc
Size: 28KB - Virtual size: 37KB

UPX0
Size: - Virtual size: 24KB

UPX1
Size: 20KB - Virtual size: 20KB

.rsrc
Size: 1024B - Virtual size: 4KB

.text
Size: 31KB - Virtual size: 30KB

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

UPX0
Size: 24KB - Virtual size: 24KB

UPX1
Size: 17KB - Virtual size: 20KB

.rsrc
Size: 2KB - Virtual size: 4KB

.text
Size: 28KB - Virtual size: 28KB

.data
Size: 8KB - Virtual size: 8KB

.rsrc
Size: 1KB - Virtual size: 1KB

UPX0
Size: - Virtual size: 24KB

UPX1
Size: 17KB - Virtual size: 20KB

.rsrc
Size: 2KB - Virtual size: 4KB