asyncrat | b20454e9085128219b6a61596a44c534c5d8a8246cec7b8eca50c73c8a6fad0c[.]exe

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General

Target
b20454e9085128219b6a61596a44c534c5d8a8246cec7b8eca50c73c8a6fad0c.exe
Size 45KB
Sample260712-dwy3baew2x
SHA256 b20454e9085128219b6a61596a44c534c5d8a8246cec7b8eca50c73c8a6fad0c
MD5 40651187974dacd80f8e6c125b62dcae
SHA1 ac19c5353c49d049e6ba1937820805dd85d49615
SHA512 3016ec5afd483caa340238d00e7d8d2930e3d91eca98c78bda4a755ae462d28be9226c51464a63eeb265569bf94452289773404c215500b9d2f6e5be31b299db
SSDEEP 768:0u2vpTD4U2ieWUsqfAmo2qjoO5QPCBAPSNjPIRzjbqgX3ipSXz+79MnjoBDZ8x:0u2vpTDe+2vO5svSKR3b9XSpSEMnjOd+
TLSH
T13C232A003BE9812BF2BF5F7899F22105867AF6636603E5492CC451DB5613FC6C642AFE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

mephimsexviet.com:80
mephimsexviet.com:22
mephimsexviet.com:8080
mephimsexviet.com:8880
mephimsexviet.com:2052
mephimsexviet.com:2082
mephimsexviet.com:2086
mephimsexviet.com:2095
mephimsexviet.com:443
mephimsexviet.com:2053
mephimsexviet.com:2083
mephimsexviet.com:2087
mephimsexviet.com:2096
mephimsexviet.com:8443
www.mephimsexviet.com:80
www.mephimsexviet.com:22
www.mephimsexviet.com:8080
www.mephimsexviet.com:8880
www.mephimsexviet.com:2052
www.mephimsexviet.com:2082
www.mephimsexviet.com:2086
www.mephimsexviet.com:2095
www.mephimsexviet.com:443
www.mephimsexviet.com:2053
www.mephimsexviet.com:2083
www.mephimsexviet.com:2087
www.mephimsexviet.com:2096
www.mephimsexviet.com:8443
mydoom.mephimsexviet.com:80
mydoom.mephimsexviet.com:22
mydoom.mephimsexviet.com:8080
mydoom.mephimsexviet.com:8880
mydoom.mephimsexviet.com:2052
mydoom.mephimsexviet.com:2082
mydoom.mephimsexviet.com:2086
mydoom.mephimsexviet.com:2095
mydoom.mephimsexviet.com:443
mydoom.mephimsexviet.com:2053
mydoom.mephimsexviet.com:2083
mydoom.mephimsexviet.com:2087
mydoom.mephimsexviet.com:2096
mydoom.mephimsexviet.com:8443
sodinokibi.mephimsexviet.com:80
sodinokibi.mephimsexviet.com:22
sodinokibi.mephimsexviet.com:8080
sodinokibi.mephimsexviet.com:8880
sodinokibi.mephimsexviet.com:2052
sodinokibi.mephimsexviet.com:2082
sodinokibi.mephimsexviet.com:2086
sodinokibi.mephimsexviet.com:2095
sodinokibi.mephimsexviet.com:443
sodinokibi.mephimsexviet.com:2053
sodinokibi.mephimsexviet.com:2083
sodinokibi.mephimsexviet.com:2087
sodinokibi.mephimsexviet.com:2096
sodinokibi.mephimsexviet.com:8443
triton.mephimsexviet.com:80
triton.mephimsexviet.com:22
triton.mephimsexviet.com:8080
triton.mephimsexviet.com:8880
triton.mephimsexviet.com:2052
triton.mephimsexviet.com:2082
triton.mephimsexviet.com:2086
triton.mephimsexviet.com:2095
triton.mephimsexviet.com:443
triton.mephimsexviet.com:2053
triton.mephimsexviet.com:2083
triton.mephimsexviet.com:2087
triton.mephimsexviet.com:2096
triton.mephimsexviet.com:8443
revil.mephimsexviet.com:80
revil.mephimsexviet.com:22
revil.mephimsexviet.com:8080
revil.mephimsexviet.com:8880
revil.mephimsexviet.com:2052
revil.mephimsexviet.com:2082
revil.mephimsexviet.com:2086
revil.mephimsexviet.com:2095
revil.mephimsexviet.com:443
revil.mephimsexviet.com:2053
revil.mephimsexviet.com:2083
revil.mephimsexviet.com:2087
revil.mephimsexviet.com:2096
revil.mephimsexviet.com:8443

Mutex

taUUzt86bA1M

Attributes

delay
0
install
true
install_file
gvn8k1u.exe
install_folder
%AppData%

aes.plain

Signatures

Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
sample	family_asyncrat

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
b20454e9085128219b6a61596a44c534c5d8a8246cec7b8eca50c73c8a6fad0c.exe

File Explorer

b20454e9085128219b6a61596a44c534c5d8a8246cec7b8eca50c73c8a6fad0c.exe

.exe 45KB

b20454e9085128219b6a61596a44c534c5d8a8246cec7b8eca50c73c8a6fad0c.exe

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 b20454e9085128219b6a61596a44c534c5d8a8246cec7b8eca50c73c8a6fad0c
MD5 40651187974dacd80f8e6c125b62dcae
SHA1 ac19c5353c49d049e6ba1937820805dd85d49615
SHA512 3016ec5afd483caa340238d00e7d8d2930e3d91eca98c78bda4a755ae462d28be9226c51464a63eeb265569bf94452289773404c215500b9d2f6e5be31b299db
SSDEEP 768:0u2vpTD4U2ieWUsqfAmo2qjoO5QPCBAPSNjPIRzjbqgX3ipSXz+79MnjoBDZ8x:0u2vpTDe+2vO5svSKR3b9XSpSEMnjOd+
TLSH
T13C232A003BE9812BF2BF5F7899F22105867AF6636603E5492CC451DB5613FC6C642AFE
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Async RAT payload

rat
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

51438

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

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_32BIT_MACHINE

PDB paths

b20454e9085128219b6a61596a44c534c5d8a8246cec7b8eca50c73c8a6fad0c.exe

mscoree

dotnet