Loader-IU[.]exe

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General

Target

Loader-IU.exe
Size

320KB
MD5

bb941b32e09ce7b7811fe0d57bd06970
SHA1

0665225ed2a0eb4bf01c9c637c6bb3e03c77f7a2
SHA256

740f6e8a6d9ca782fef34af3c65e9f5769c812693a5af88a83bff58c1c78dff6
SHA512

4604e7bb9636f29ef00245f3793e66e075ef25827ba82475bc201615db58069d72c5fe0a5382ebc2035ff778e75a68199049894d15757e581b9e534b25b0d17e
SSDEEP

6144:RnH67GoB27intq6IPXG1x170mTcZJfpw6fnaAG2taO9RW4yI4AxO5RotIrh:BKB4q86Iv2vI9GAG2i4Nr6RotIrh

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
sample	upx

Files

Loader-IU.exe
.exe windows x86

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Sections

UPX0
Size: - Virtual size: 824KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 255KB - Virtual size: 256KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 64KB - Virtual size: 64KB

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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Exports

Exports

TMethodImplementationIntercept
__dbk_fcall_wrapper
dbkFCallWrapperAddr

Sections

.text
Size: 831KB - Virtual size: 831KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 15KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 23KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didata
Size: 512B - Virtual size: 490B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 152B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 24B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 93B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 80KB - Virtual size: 79KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 89KB - Virtual size: 89KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 824KB

UPX1 Size: 255KB - Virtual size: 256KB

.rsrc Size: 64KB - Virtual size: 64KB

Headers

File Characteristics

Exports

Exports

Sections

.text Size: 831KB - Virtual size: 831KB

.itext Size: 2KB - Virtual size: 2KB

.data Size: 15KB - Virtual size: 14KB

.bss Size: - Virtual size: 23KB

.idata Size: 4KB - Virtual size: 4KB

.didata Size: 512B - Virtual size: 490B

.edata Size: 512B - Virtual size: 152B

.tls Size: - Virtual size: 24B

.rdata Size: 512B - Virtual size: 93B

.reloc Size: 80KB - Virtual size: 79KB

.rsrc Size: 89KB - Virtual size: 89KB

UPX0
Size: - Virtual size: 824KB

UPX1
Size: 255KB - Virtual size: 256KB

.rsrc
Size: 64KB - Virtual size: 64KB

.text
Size: 831KB - Virtual size: 831KB

.itext
Size: 2KB - Virtual size: 2KB

.data
Size: 15KB - Virtual size: 14KB

.bss
Size: - Virtual size: 23KB

.idata
Size: 4KB - Virtual size: 4KB

.didata
Size: 512B - Virtual size: 490B

.edata
Size: 512B - Virtual size: 152B

.tls
Size: - Virtual size: 24B

.rdata
Size: 512B - Virtual size: 93B

.reloc
Size: 80KB - Virtual size: 79KB

.rsrc
Size: 89KB - Virtual size: 89KB