asyncrat | 9ef3e9a17bcd23d8071331d7f08072c87793cfcb7ed0aca7eaa09de4b50ad255[.]exe

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General

Target
9ef3e9a17bcd23d8071331d7f08072c87793cfcb7ed0aca7eaa09de4b50ad255.exe
Size 45KB
Sample260706-enngaahw21
SHA256 9ef3e9a17bcd23d8071331d7f08072c87793cfcb7ed0aca7eaa09de4b50ad255
MD5 5b62b516e0a49130afeab24af96c7632
SHA1 681223b3d7cb33066f375089c664cc880e449eb4
SHA512 ef7cf1788c78b0f7b0a9e628c6487aca2fb33f816faa3a5ada0713770e8d4551aee3695c3bba5ed216da4a8dfeeb7075c6aa30f2245f8d6229a5fea7d79c8d24
SSDEEP 768:MuLAZTnAkuSWUYzG8mo2qFEfBohEaEPIQljbCgX3ipFfSiKru1x2IKljh1lBDZEx:MuLAZTnbg2Z4EapQtblXSpFqi0u1x2IZ
TLSH
T1C6232B003BE8826BF2BE5F789CF25145867AF5736603D54A2CC401DB5B13FC69A426FA
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

sexkurt.com:80
sexkurt.com:22
sexkurt.com:8080
sexkurt.com:8880
sexkurt.com:2052
sexkurt.com:2082
sexkurt.com:2086
sexkurt.com:2095
sexkurt.com:443
sexkurt.com:2053
sexkurt.com:2083
sexkurt.com:2087
sexkurt.com:2096
sexkurt.com:8443
www.sexkurt.com:80
www.sexkurt.com:22
www.sexkurt.com:8080
www.sexkurt.com:8880
www.sexkurt.com:2052
www.sexkurt.com:2082
www.sexkurt.com:2086
www.sexkurt.com:2095
www.sexkurt.com:443
www.sexkurt.com:2053
www.sexkurt.com:2083
www.sexkurt.com:2087
www.sexkurt.com:2096
www.sexkurt.com:8443
nanocore.sexkurt.com:80
nanocore.sexkurt.com:22
nanocore.sexkurt.com:8080
nanocore.sexkurt.com:8880
nanocore.sexkurt.com:2052
nanocore.sexkurt.com:2082
nanocore.sexkurt.com:2086
nanocore.sexkurt.com:2095
nanocore.sexkurt.com:443
nanocore.sexkurt.com:2053
nanocore.sexkurt.com:2083
nanocore.sexkurt.com:2087
nanocore.sexkurt.com:2096
nanocore.sexkurt.com:8443
zbot.sexkurt.com:80
zbot.sexkurt.com:22
zbot.sexkurt.com:8080
zbot.sexkurt.com:8880
zbot.sexkurt.com:2052
zbot.sexkurt.com:2082
zbot.sexkurt.com:2086
zbot.sexkurt.com:2095
zbot.sexkurt.com:443
zbot.sexkurt.com:2053
zbot.sexkurt.com:2083
zbot.sexkurt.com:2087
zbot.sexkurt.com:2096
zbot.sexkurt.com:8443
formbook.sexkurt.com:80
formbook.sexkurt.com:22
formbook.sexkurt.com:8080
formbook.sexkurt.com:8880
formbook.sexkurt.com:2052
formbook.sexkurt.com:2082
formbook.sexkurt.com:2086
formbook.sexkurt.com:2095
formbook.sexkurt.com:443
formbook.sexkurt.com:2053
formbook.sexkurt.com:2083
formbook.sexkurt.com:2087
formbook.sexkurt.com:2096
formbook.sexkurt.com:8443
shamoon.sexkurt.com:80
shamoon.sexkurt.com:22
shamoon.sexkurt.com:8080
shamoon.sexkurt.com:8880
shamoon.sexkurt.com:2052
shamoon.sexkurt.com:2082
shamoon.sexkurt.com:2086
shamoon.sexkurt.com:2095
shamoon.sexkurt.com:443
shamoon.sexkurt.com:2053
shamoon.sexkurt.com:2083
shamoon.sexkurt.com:2087
shamoon.sexkurt.com:2096
shamoon.sexkurt.com:8443

Mutex

SgOLMeyTDdnI

Attributes

delay
0
install
true
install_file
yt8b9.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
9ef3e9a17bcd23d8071331d7f08072c87793cfcb7ed0aca7eaa09de4b50ad255.exe

File Explorer

9ef3e9a17bcd23d8071331d7f08072c87793cfcb7ed0aca7eaa09de4b50ad255.exe

.exe 45KB

9ef3e9a17bcd23d8071331d7f08072c87793cfcb7ed0aca7eaa09de4b50ad255.exe

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 9ef3e9a17bcd23d8071331d7f08072c87793cfcb7ed0aca7eaa09de4b50ad255
MD5 5b62b516e0a49130afeab24af96c7632
SHA1 681223b3d7cb33066f375089c664cc880e449eb4
SHA512 ef7cf1788c78b0f7b0a9e628c6487aca2fb33f816faa3a5ada0713770e8d4551aee3695c3bba5ed216da4a8dfeeb7075c6aa30f2245f8d6229a5fea7d79c8d24
SSDEEP 768:MuLAZTnAkuSWUYzG8mo2qFEfBohEaEPIQljbCgX3ipFfSiKru1x2IKljh1lBDZEx:MuLAZTnbg2Z4EapQtblXSpFqi0u1x2IZ
TLSH
T1C6232B003BE8826BF2BE5F789CF25145867AF5736603D54A2CC401DB5B13FC69A426FA
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

51358

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

9ef3e9a17bcd23d8071331d7f08072c87793cfcb7ed0aca7eaa09de4b50ad255.exe

mscoree

dotnet