Steamer[.]exe | Triage

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General

Target

Steamer.exe
Size

356KB
MD5

71755abcf03d1145198ce5fa29cb8687
SHA1

95d7584cf57b7a39e895b93ac8fb06a7581da3e1
SHA256

851ef61affd9a6654b5a635e34bd678226e26aece30aafbb7ab2d3947d5057c6
SHA512

89c9ee80cead1aee1e8dc850705470153a03b78f4fe639335030ae9a5dafc9403ae854d28953127ea9ebfdff710cb5445ad8347ec02cf574491c9ca367693625
SSDEEP

6144:gmjr/ZfHtYgQxS2B0dMcRGoulxofDx4eKFGcWhzDr/PGhJj1zWt2HW7RZobnkfnT:gmjVfHtYDxBgMcRGou/Y94eKFfWhzvPH

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
Steamer.exe
unpack001/out.upx

Files

Steamer.exe
.exe windows x86

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 600KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 347KB - Virtual size: 348KB

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 x86

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

.text
Size: 629KB - Virtual size: 629KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 140KB - Virtual size: 140KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 12KB - Virtual size: 40KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 113KB - Virtual size: 112KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ