Blackdots[.]zip | Triage

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General

Target

Blackdots.zip
Size

7.9MB
MD5

2b49d8bf97dc471bc2e8b7b947919c98
SHA1

4343efb6993a246c63e31e3f594e2b683b978ed2
SHA256

29a2d0445edf021abc3208148b1301fa1914f3a06aeca9ce76653484bf327ce8
SHA512

8c36652614233f7df817dbd52ebcb2da300ec883c7943150a2199a7911fa023c838ea6f6840bbfd7afb5667cc5d4046be90e23337e38a5028d09449594e3a3e4
SSDEEP

196608:p96Whi54GlujSAo0/8JHQ4+T+WT5bNVIqw1g/rIglYAm:jW4GlrG8m4q+2b3IqzjIim

Score

7^/10

Malware Config

Signatures

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
static1/unpack001/Blackdots.exe	net_reactor

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/Blackdots.exe

Files

Blackdots.zip
.zip
Blackdots.exe
.exe windows:4 windows x86 arch:x86

f34d5f2d4577ed6d9ceec516c1f5a744

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

Blackdots.pdb

Imports

mscoree

_CorExeMain

Sections

.text
Size: 8.1MB - Virtual size: 8.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ