asyncrat | cfe9f58f3adf2c75dfd7f96d3dceca7501fa27afc6062e57604bd3bac7e51649

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General

Target
cfe9f58f3adf2c75dfd7f96d3dceca7501fa27afc6062e57604bd3bac7e51649
Size 45KB
Sample260804-llsrjswhrd
SHA256 cfe9f58f3adf2c75dfd7f96d3dceca7501fa27afc6062e57604bd3bac7e51649
MD5 457bd436202fd27451350e29de49ba92
SHA1 824ac1f8ed4f1d39b7af94d069034010ffa591f0
SHA512 a78059df7f24d3438e8a5d4e2a2456ec19421b7bcd814ffc51bef4c6ff2b98aba94e48eb92c8bd832386e90e116dda6cee81c7a037ce1f188b4e38cd31aeb695
SSDEEP 768:RuxkJTVmU5EkWUGMKSmo2q16T2QAm7PI1mjbXgX3iSB536YBDZcx:RuxkJTgip2mT1KbwXSSBF6edcx
TLSH
T1DE232B003BE9822BF2BE4F7858F26145867BF2637603D5492CC451DB5723FC69A426EE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

sexviet41.com:80
sexviet41.com:22
sexviet41.com:8080
sexviet41.com:8880
sexviet41.com:2052
sexviet41.com:2082
sexviet41.com:2086
sexviet41.com:2095
sexviet41.com:443
sexviet41.com:2053
sexviet41.com:2083
sexviet41.com:2087
sexviet41.com:2096
sexviet41.com:8443
www.sexviet41.com:80
www.sexviet41.com:22
www.sexviet41.com:8080
www.sexviet41.com:8880
www.sexviet41.com:2052
www.sexviet41.com:2082
www.sexviet41.com:2086
www.sexviet41.com:2095
www.sexviet41.com:443
www.sexviet41.com:2053
www.sexviet41.com:2083
www.sexviet41.com:2087
www.sexviet41.com:2096
www.sexviet41.com:8443
formbook.sexviet41.com:80
formbook.sexviet41.com:22
formbook.sexviet41.com:8080
formbook.sexviet41.com:8880
formbook.sexviet41.com:2052
formbook.sexviet41.com:2082
formbook.sexviet41.com:2086
formbook.sexviet41.com:2095
formbook.sexviet41.com:443
formbook.sexviet41.com:2053
formbook.sexviet41.com:2083
formbook.sexviet41.com:2087
formbook.sexviet41.com:2096
formbook.sexviet41.com:8443
connect.sexviet41.com:80
connect.sexviet41.com:22
connect.sexviet41.com:8080
connect.sexviet41.com:8880
connect.sexviet41.com:2052
connect.sexviet41.com:2082
connect.sexviet41.com:2086
connect.sexviet41.com:2095
connect.sexviet41.com:443
connect.sexviet41.com:2053
connect.sexviet41.com:2083
connect.sexviet41.com:2087
connect.sexviet41.com:2096
connect.sexviet41.com:8443

Mutex

2fqMpimj9QAz

Attributes

delay
0
install
true
install_file
lu19brl8.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
cfe9f58f3adf2c75dfd7f96d3dceca7501fa27afc6062e57604bd3bac7e51649

File Explorer

cfe9f58f3adf2c75dfd7f96d3dceca7501fa27afc6062e57604bd3bac7e51649

.exe 45KB

cfe9f58f3adf2c75dfd7f96d3dceca7501fa27afc6062e57604bd3bac7e51649

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 cfe9f58f3adf2c75dfd7f96d3dceca7501fa27afc6062e57604bd3bac7e51649
MD5 457bd436202fd27451350e29de49ba92
SHA1 824ac1f8ed4f1d39b7af94d069034010ffa591f0
SHA512 a78059df7f24d3438e8a5d4e2a2456ec19421b7bcd814ffc51bef4c6ff2b98aba94e48eb92c8bd832386e90e116dda6cee81c7a037ce1f188b4e38cd31aeb695
SSDEEP 768:RuxkJTVmU5EkWUGMKSmo2q16T2QAm7PI1mjbXgX3iSB536YBDZcx:RuxkJTgip2mT1KbwXSSBF6edcx
TLSH
T1DE232B003BE9822BF2BE4F7858F26145867BF2637603D5492CC451DB5723FC69A426EE
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

51278

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

cfe9f58f3adf2c75dfd7f96d3dceca7501fa27afc6062e57604bd3bac7e51649

mscoree

dotnet