asyncrat | 88521464784fc28bab02f4026eca0e8bd32647c53a2633a5a48f5291bc8c714b

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General

Target
88521464784fc28bab02f4026eca0e8bd32647c53a2633a5a48f5291bc8c714b
Size 45KB
Sample260710-rt8evsdt9t
SHA256 88521464784fc28bab02f4026eca0e8bd32647c53a2633a5a48f5291bc8c714b
MD5 fbad382d5b42dcc4f7a07ae93cef173c
SHA1 957866ae2c0af6f88c973808898413787982dc29
SHA512 74557c06e5511e5baa78534bb00a011f0a3482c39524e439ac3bd2f6b70da6f3c68d5a20fe5a65d61e2941aeba21e10d0dfc1606e8677fb248ba7f0b0824a74e
SSDEEP 768:cu7m/5THrq+CWUoDuMmo2qFTlsHoPEaMPIGqjbngX3ik281KFHAQyum/MlOTjBDg:cu7e5TH2A2muuEaxGmbgXSk28aH9yB/U
TLSH
T198232B103BDCC22BF2BE4F7899F26245467AF6632603D54A1CC412D75613FC68A52AFE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

fimsec.com:80
fimsec.com:22
fimsec.com:8080
fimsec.com:8880
fimsec.com:2052
fimsec.com:2082
fimsec.com:2086
fimsec.com:2095
fimsec.com:443
fimsec.com:2053
fimsec.com:2083
fimsec.com:2087
fimsec.com:2096
fimsec.com:8443
www.fimsec.com:80
www.fimsec.com:22
www.fimsec.com:8080
www.fimsec.com:8880
www.fimsec.com:2052
www.fimsec.com:2082
www.fimsec.com:2086
www.fimsec.com:2095
www.fimsec.com:443
www.fimsec.com:2053
www.fimsec.com:2083
www.fimsec.com:2087
www.fimsec.com:2096
www.fimsec.com:8443
hack.fimsec.com:80
hack.fimsec.com:22
hack.fimsec.com:8080
hack.fimsec.com:8880
hack.fimsec.com:2052
hack.fimsec.com:2082
hack.fimsec.com:2086
hack.fimsec.com:2095
hack.fimsec.com:443
hack.fimsec.com:2053
hack.fimsec.com:2083
hack.fimsec.com:2087
hack.fimsec.com:2096
hack.fimsec.com:8443
zeus.fimsec.com:80
zeus.fimsec.com:22
zeus.fimsec.com:8080
zeus.fimsec.com:8880
zeus.fimsec.com:2052
zeus.fimsec.com:2082
zeus.fimsec.com:2086
zeus.fimsec.com:2095
zeus.fimsec.com:443
zeus.fimsec.com:2053
zeus.fimsec.com:2083
zeus.fimsec.com:2087
zeus.fimsec.com:2096
zeus.fimsec.com:8443
conti.fimsec.com:80
conti.fimsec.com:22
conti.fimsec.com:8080
conti.fimsec.com:8880
conti.fimsec.com:2052
conti.fimsec.com:2082
conti.fimsec.com:2086
conti.fimsec.com:2095
conti.fimsec.com:443
conti.fimsec.com:2053
conti.fimsec.com:2083
conti.fimsec.com:2087
conti.fimsec.com:2096
conti.fimsec.com:8443
rat.fimsec.com:80
rat.fimsec.com:22
rat.fimsec.com:8080
rat.fimsec.com:8880
rat.fimsec.com:2052
rat.fimsec.com:2082
rat.fimsec.com:2086
rat.fimsec.com:2095
rat.fimsec.com:443
rat.fimsec.com:2053
rat.fimsec.com:2083
rat.fimsec.com:2087
rat.fimsec.com:2096
rat.fimsec.com:8443

Mutex

g8nm6lSw3U7k

Attributes

delay
0
install
true
install_file
fu25c.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
88521464784fc28bab02f4026eca0e8bd32647c53a2633a5a48f5291bc8c714b

File Explorer

88521464784fc28bab02f4026eca0e8bd32647c53a2633a5a48f5291bc8c714b

.exe 45KB

88521464784fc28bab02f4026eca0e8bd32647c53a2633a5a48f5291bc8c714b

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 88521464784fc28bab02f4026eca0e8bd32647c53a2633a5a48f5291bc8c714b
MD5 fbad382d5b42dcc4f7a07ae93cef173c
SHA1 957866ae2c0af6f88c973808898413787982dc29
SHA512 74557c06e5511e5baa78534bb00a011f0a3482c39524e439ac3bd2f6b70da6f3c68d5a20fe5a65d61e2941aeba21e10d0dfc1606e8677fb248ba7f0b0824a74e
SSDEEP 768:cu7m/5THrq+CWUoDuMmo2qFTlsHoPEaMPIGqjbngX3ik281KFHAQyum/MlOTjBDg:cu7e5TH2A2muuEaxGmbgXSk28aH9yB/U
TLSH
T198232B103BDCC22BF2BE4F7899F26245467AF6632603D54A1CC412D75613FC68A52AFE
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

88521464784fc28bab02f4026eca0e8bd32647c53a2633a5a48f5291bc8c714b

mscoree

dotnet