asyncrat | fc23d9ffb05e7b8d0ead930b2b1bc8ab5ead6ea20debd26032ab7da36b213588

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General

Target
fc23d9ffb05e7b8d0ead930b2b1bc8ab5ead6ea20debd26032ab7da36b213588
Size 45KB
Sample260712-ty5wmsds3p
SHA256 fc23d9ffb05e7b8d0ead930b2b1bc8ab5ead6ea20debd26032ab7da36b213588
MD5 3f61051ee7f07f85b062d06adfaf1f9b
SHA1 b40eb88614025ecbb6fbecbcddcc1c35a910d31a
SHA512 2701f5a9279f88e60b2f9a38cfafc903e7adf9596ae7fb63658c04738ab128b7808eebe84a3e086b8eac3f04904363ab96e6483d2097a3a196a4cf61edb66cc8
SSDEEP 768:wuDWZTpw7bmaWUg3gSk0mo2qlyBlte40WMOPI0IzjbSgXNivlVAbsrTF4Ya8PV+c:wuDWZTpMZSB212UM30I3bVX8vlVpTwOl
TLSH
T189231A003BE8812BF2BE4F78A9F26145467AF2637603D58E1CC4529B5613FC69A426FD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

sexviet11.com:80
sexviet11.com:22
sexviet11.com:8080
sexviet11.com:8880
sexviet11.com:2052
sexviet11.com:2082
sexviet11.com:2086
sexviet11.com:2095
sexviet11.com:443
sexviet11.com:2053
sexviet11.com:2083
sexviet11.com:2087
sexviet11.com:2096
sexviet11.com:8443
www.sexviet11.com:80
www.sexviet11.com:22
www.sexviet11.com:8080
www.sexviet11.com:8880
www.sexviet11.com:2052
www.sexviet11.com:2082
www.sexviet11.com:2086
www.sexviet11.com:2095
www.sexviet11.com:443
www.sexviet11.com:2053
www.sexviet11.com:2083
www.sexviet11.com:2087
www.sexviet11.com:2096
www.sexviet11.com:8443
fakeupdates.sexviet11.com:80
fakeupdates.sexviet11.com:22
fakeupdates.sexviet11.com:8080
fakeupdates.sexviet11.com:8880
fakeupdates.sexviet11.com:2052
fakeupdates.sexviet11.com:2082
fakeupdates.sexviet11.com:2086
fakeupdates.sexviet11.com:2095
fakeupdates.sexviet11.com:443
fakeupdates.sexviet11.com:2053
fakeupdates.sexviet11.com:2083
fakeupdates.sexviet11.com:2087
fakeupdates.sexviet11.com:2096
fakeupdates.sexviet11.com:8443
rat.sexviet11.com:80
rat.sexviet11.com:22
rat.sexviet11.com:8080
rat.sexviet11.com:8880
rat.sexviet11.com:2052
rat.sexviet11.com:2082
rat.sexviet11.com:2086
rat.sexviet11.com:2095
rat.sexviet11.com:443
rat.sexviet11.com:2053
rat.sexviet11.com:2083
rat.sexviet11.com:2087
rat.sexviet11.com:2096
rat.sexviet11.com:8443

Mutex

yduUF6YxP0jR

Attributes

delay
0
install
true
install_file
bk7so.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
fc23d9ffb05e7b8d0ead930b2b1bc8ab5ead6ea20debd26032ab7da36b213588

File Explorer

fc23d9ffb05e7b8d0ead930b2b1bc8ab5ead6ea20debd26032ab7da36b213588

.exe 45KB

fc23d9ffb05e7b8d0ead930b2b1bc8ab5ead6ea20debd26032ab7da36b213588

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 fc23d9ffb05e7b8d0ead930b2b1bc8ab5ead6ea20debd26032ab7da36b213588
MD5 3f61051ee7f07f85b062d06adfaf1f9b
SHA1 b40eb88614025ecbb6fbecbcddcc1c35a910d31a
SHA512 2701f5a9279f88e60b2f9a38cfafc903e7adf9596ae7fb63658c04738ab128b7808eebe84a3e086b8eac3f04904363ab96e6483d2097a3a196a4cf61edb66cc8
SSDEEP 768:wuDWZTpw7bmaWUg3gSk0mo2qlyBlte40WMOPI0IzjbSgXNivlVAbsrTF4Ya8PV+c:wuDWZTpMZSB212UM30I3bVX8vlVpTwOl
TLSH
T189231A003BE8812BF2BE4F78A9F26145467AF2637603D58E1CC4529B5613FC69A426FD
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

51262

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

fc23d9ffb05e7b8d0ead930b2b1bc8ab5ead6ea20debd26032ab7da36b213588

mscoree

dotnet