asyncrat | 0496e9123c8da852a0191d3cfd6ed8f7faa37d750eb785a1821a76a7f79488a1

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General

Target
0496e9123c8da852a0191d3cfd6ed8f7faa37d750eb785a1821a76a7f79488a1
Size 45KB
Sample260705-ysymlabs6j
SHA256 0496e9123c8da852a0191d3cfd6ed8f7faa37d750eb785a1821a76a7f79488a1
MD5 1a6dcc9937884139007e082ee6ca940b
SHA1 2aa2ea180888a25fa6111c0a78fc4cef845e7d9c
SHA512 3bb172d9863600344f20f58fa7cde07747cb35f4981b5c9b3ee065e1180cd7bf877e46d3897fcf77e3962465cd53e6cd28d16aa7a53cee48c87bb3db2aef7951
SSDEEP 768:kuSOpTPTCFcWUeXa6mo2qAaL5P02FUFdiYkk8PIIzjbvgX3iv6EazBNQrqBDZMx:kuSOpTPOP2KLDmhBI3bYXSv65zBN00dO
TLSH
T16C231A0037E9812BF2BE4F7469F26245867AF2632603D58E1CC451DB5A23FC59A436FE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

xemsex2k.net:80
xemsex2k.net:22
xemsex2k.net:8080
xemsex2k.net:8880
xemsex2k.net:2052
xemsex2k.net:2082
xemsex2k.net:2086
xemsex2k.net:2095
xemsex2k.net:443
xemsex2k.net:2053
xemsex2k.net:2083
xemsex2k.net:2087
xemsex2k.net:2096
xemsex2k.net:8443
www.xemsex2k.net:80
www.xemsex2k.net:22
www.xemsex2k.net:8080
www.xemsex2k.net:8880
www.xemsex2k.net:2052
www.xemsex2k.net:2082
www.xemsex2k.net:2086
www.xemsex2k.net:2095
www.xemsex2k.net:443
www.xemsex2k.net:2053
www.xemsex2k.net:2083
www.xemsex2k.net:2087
www.xemsex2k.net:2096
www.xemsex2k.net:8443
remcos.xemsex2k.net:80
remcos.xemsex2k.net:22
remcos.xemsex2k.net:8080
remcos.xemsex2k.net:8880
remcos.xemsex2k.net:2052
remcos.xemsex2k.net:2082
remcos.xemsex2k.net:2086
remcos.xemsex2k.net:2095
remcos.xemsex2k.net:443
remcos.xemsex2k.net:2053
remcos.xemsex2k.net:2083
remcos.xemsex2k.net:2087
remcos.xemsex2k.net:2096
remcos.xemsex2k.net:8443
sodinokibi.xemsex2k.net:80
sodinokibi.xemsex2k.net:22
sodinokibi.xemsex2k.net:8080
sodinokibi.xemsex2k.net:8880
sodinokibi.xemsex2k.net:2052
sodinokibi.xemsex2k.net:2082
sodinokibi.xemsex2k.net:2086
sodinokibi.xemsex2k.net:2095
sodinokibi.xemsex2k.net:443
sodinokibi.xemsex2k.net:2053
sodinokibi.xemsex2k.net:2083
sodinokibi.xemsex2k.net:2087
sodinokibi.xemsex2k.net:2096
sodinokibi.xemsex2k.net:8443
gootloader.xemsex2k.net:80
gootloader.xemsex2k.net:22
gootloader.xemsex2k.net:8080
gootloader.xemsex2k.net:8880
gootloader.xemsex2k.net:2052
gootloader.xemsex2k.net:2082
gootloader.xemsex2k.net:2086
gootloader.xemsex2k.net:2095
gootloader.xemsex2k.net:443
gootloader.xemsex2k.net:2053
gootloader.xemsex2k.net:2083
gootloader.xemsex2k.net:2087
gootloader.xemsex2k.net:2096
gootloader.xemsex2k.net:8443
mydoom.xemsex2k.net:80
mydoom.xemsex2k.net:22
mydoom.xemsex2k.net:8080
mydoom.xemsex2k.net:8880
mydoom.xemsex2k.net:2052
mydoom.xemsex2k.net:2082
mydoom.xemsex2k.net:2086
mydoom.xemsex2k.net:2095
mydoom.xemsex2k.net:443
mydoom.xemsex2k.net:2053
mydoom.xemsex2k.net:2083
mydoom.xemsex2k.net:2087
mydoom.xemsex2k.net:2096
mydoom.xemsex2k.net:8443

Mutex

ZBLZItV1TPda

Attributes

delay
0
install
true
install_file
wak2.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
0496e9123c8da852a0191d3cfd6ed8f7faa37d750eb785a1821a76a7f79488a1

File Explorer

0496e9123c8da852a0191d3cfd6ed8f7faa37d750eb785a1821a76a7f79488a1

.exe 45KB

0496e9123c8da852a0191d3cfd6ed8f7faa37d750eb785a1821a76a7f79488a1

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 0496e9123c8da852a0191d3cfd6ed8f7faa37d750eb785a1821a76a7f79488a1
MD5 1a6dcc9937884139007e082ee6ca940b
SHA1 2aa2ea180888a25fa6111c0a78fc4cef845e7d9c
SHA512 3bb172d9863600344f20f58fa7cde07747cb35f4981b5c9b3ee065e1180cd7bf877e46d3897fcf77e3962465cd53e6cd28d16aa7a53cee48c87bb3db2aef7951
SSDEEP 768:kuSOpTPTCFcWUeXa6mo2qAaL5P02FUFdiYkk8PIIzjbvgX3iv6EazBNQrqBDZMx:kuSOpTPOP2KLDmhBI3bYXSv65zBN00dO
TLSH
T16C231A0037E9812BF2BE4F7469F26245867AF2632603D58E1CC451DB5A23FC59A436FE
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

51390

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

0496e9123c8da852a0191d3cfd6ed8f7faa37d750eb785a1821a76a7f79488a1

mscoree

dotnet