asyncrat | 902fd90eb0520d05199dea84ee994a75164600f2486589b80ba45b957c18314c

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General

Target
902fd90eb0520d05199dea84ee994a75164600f2486589b80ba45b957c18314c
Size 45KB
Sample260715-j3pecaft3k
SHA256 902fd90eb0520d05199dea84ee994a75164600f2486589b80ba45b957c18314c
MD5 f63c41bddb9ce0bade828c82a1ea2acb
SHA1 051892858f68e710a71333aab260f3f524693bd0
SHA512 92a65ab7a78e17ca9bf997194a18970e00a206265f8153c56ec4bd49b58f0e69e25d6ab0973d7f642d0627dddb044e37322ff480a30ec1cb6bcbfdd7e930b5fa
SSDEEP 768:cuR0JTPUYkEWUmjWymo2q1b0e3+Kv18iZPIezjbZgw3i1GM74PUp/cLbgBDZUx:cuR0JTPjY2i3T6iWe3b2wSR7FAadUx
TLSH
T10E232B0037E9812BF2BE4F78A8F26145867AF6736603D6491CC451DB5723BC6CA426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

sexvietfree.com:80
sexvietfree.com:22
sexvietfree.com:8080
sexvietfree.com:8880
sexvietfree.com:2052
sexvietfree.com:2082
sexvietfree.com:2086
sexvietfree.com:2095
sexvietfree.com:443
sexvietfree.com:2053
sexvietfree.com:2083
sexvietfree.com:2087
sexvietfree.com:2096
sexvietfree.com:8443
www.sexvietfree.com:80
www.sexvietfree.com:22
www.sexvietfree.com:8080
www.sexvietfree.com:8880
www.sexvietfree.com:2052
www.sexvietfree.com:2082
www.sexvietfree.com:2086
www.sexvietfree.com:2095
www.sexvietfree.com:443
www.sexvietfree.com:2053
www.sexvietfree.com:2083
www.sexvietfree.com:2087
www.sexvietfree.com:2096
www.sexvietfree.com:8443
sasser.sexvietfree.com:80
sasser.sexvietfree.com:22
sasser.sexvietfree.com:8080
sasser.sexvietfree.com:8880
sasser.sexvietfree.com:2052
sasser.sexvietfree.com:2082
sasser.sexvietfree.com:2086
sasser.sexvietfree.com:2095
sasser.sexvietfree.com:443
sasser.sexvietfree.com:2053
sasser.sexvietfree.com:2083
sasser.sexvietfree.com:2087
sasser.sexvietfree.com:2096
sasser.sexvietfree.com:8443
remcos.sexvietfree.com:80
remcos.sexvietfree.com:22
remcos.sexvietfree.com:8080
remcos.sexvietfree.com:8880
remcos.sexvietfree.com:2052
remcos.sexvietfree.com:2082
remcos.sexvietfree.com:2086
remcos.sexvietfree.com:2095
remcos.sexvietfree.com:443
remcos.sexvietfree.com:2053
remcos.sexvietfree.com:2083
remcos.sexvietfree.com:2087
remcos.sexvietfree.com:2096
remcos.sexvietfree.com:8443

Mutex

SiUoeJDQkcAd

Attributes

delay
0
install
true
install_file
us0m.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
902fd90eb0520d05199dea84ee994a75164600f2486589b80ba45b957c18314c

File Explorer

902fd90eb0520d05199dea84ee994a75164600f2486589b80ba45b957c18314c

.exe 45KB

902fd90eb0520d05199dea84ee994a75164600f2486589b80ba45b957c18314c

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 902fd90eb0520d05199dea84ee994a75164600f2486589b80ba45b957c18314c
MD5 f63c41bddb9ce0bade828c82a1ea2acb
SHA1 051892858f68e710a71333aab260f3f524693bd0
SHA512 92a65ab7a78e17ca9bf997194a18970e00a206265f8153c56ec4bd49b58f0e69e25d6ab0973d7f642d0627dddb044e37322ff480a30ec1cb6bcbfdd7e930b5fa
SSDEEP 768:cuR0JTPUYkEWUmjWymo2q1b0e3+Kv18iZPIezjbZgw3i1GM74PUp/cLbgBDZUx:cuR0JTPjY2i3T6iWe3b2wSR7FAadUx
TLSH
T10E232B0037E9812BF2BE4F78A8F26145867AF6736603D6491CC451DB5723BC6CA426FE
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

51310

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

902fd90eb0520d05199dea84ee994a75164600f2486589b80ba45b957c18314c

mscoree

dotnet