37c4b3187a66fb062d2baffa89cc2e33 | Triage

Sharing

General

Target

37c4b3187a66fb062d2baffa89cc2e33
Size

1.3MB
MD5

37c4b3187a66fb062d2baffa89cc2e33
SHA1

9540728dc59b2738e77a0ac631776cead56a9cc4
SHA256

df4adacafc2e2a13d1fbfcad58333d72516aef4a642c0edaa46c58393609bde2
SHA512

ff579c8964ff6c675c8716ce2acd5e789723b01303987bf6ba316b653d7b88c852f61714298310c6de757b922c10674fa60223ec56e0bd33bab69e070eee7ded
SSDEEP

24576:Cs8p1CLEKeJmwOj09hLzAvCBnVMOaxkobWsCFbnLiCNXJ8wiuyl2Oxr13y+KqtWx:Cs8pMLEKUtdhLnKko3ClnL1N58wiuyB4

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
37c4b3187a66fb062d2baffa89cc2e33
unpack001/out.upx

Files

37c4b3187a66fb062d2baffa89cc2e33
.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: 368KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 1.2MB - Virtual size: 1.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 10KB - Virtual size: 12KB

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: 40KB - Virtual size: 39KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1.5MB - Virtual size: 1.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ