asyncrat | 5e90fa03ca600e2a81c00beb55a9f760a48654255b4eddbfd63df2dabc71ef37

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General

Target
5e90fa03ca600e2a81c00beb55a9f760a48654255b4eddbfd63df2dabc71ef37
Size 45KB
Sample260711-v2g5eshy21
SHA256 5e90fa03ca600e2a81c00beb55a9f760a48654255b4eddbfd63df2dabc71ef37
MD5 7f8c118fa734e9d265a634899f92e55c
SHA1 66ed292a8f582907bd3a513df3899daf8b977ce7
SHA512 b213cd95494b5aa64329d3c00e297f2b58833ce123522822822447c69f1c7a7cd8fcf61a73db7653ddfc5d46c276fdf1945556e7c0fecb0aca8b05683d3afb24
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q1zQLDivyvtAjZPI7zjb6g7iDNekHWBR8juYBDZMx:wuZ8pT1tc2U2iaGjW73btWDNekLzdMx
TLSH
T12E232A003BE8812BF2BE4F78A9F26145867AF5633603D6491CC451DB5723FC69A426FE
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
sasser.fimsec.com:80
sasser.fimsec.com:22
sasser.fimsec.com:8080
sasser.fimsec.com:8880
sasser.fimsec.com:2052
sasser.fimsec.com:2082
sasser.fimsec.com:2086
sasser.fimsec.com:2095
sasser.fimsec.com:443
sasser.fimsec.com:2053
sasser.fimsec.com:2083
sasser.fimsec.com:2087
sasser.fimsec.com:2096
sasser.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
locky.fimsec.com:80
locky.fimsec.com:22
locky.fimsec.com:8080
locky.fimsec.com:8880
locky.fimsec.com:2052
locky.fimsec.com:2082
locky.fimsec.com:2086
locky.fimsec.com:2095
locky.fimsec.com:443
locky.fimsec.com:2053
locky.fimsec.com:2083
locky.fimsec.com:2087
locky.fimsec.com:2096
locky.fimsec.com:8443

Mutex

mnw0JJ9dhl2l

Attributes

delay
0
install
true
install_file
eenn.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
5e90fa03ca600e2a81c00beb55a9f760a48654255b4eddbfd63df2dabc71ef37

File Explorer

5e90fa03ca600e2a81c00beb55a9f760a48654255b4eddbfd63df2dabc71ef37

.exe 45KB

5e90fa03ca600e2a81c00beb55a9f760a48654255b4eddbfd63df2dabc71ef37

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 5e90fa03ca600e2a81c00beb55a9f760a48654255b4eddbfd63df2dabc71ef37
MD5 7f8c118fa734e9d265a634899f92e55c
SHA1 66ed292a8f582907bd3a513df3899daf8b977ce7
SHA512 b213cd95494b5aa64329d3c00e297f2b58833ce123522822822447c69f1c7a7cd8fcf61a73db7653ddfc5d46c276fdf1945556e7c0fecb0aca8b05683d3afb24
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q1zQLDivyvtAjZPI7zjb6g7iDNekHWBR8juYBDZMx:wuZ8pT1tc2U2iaGjW73btWDNekLzdMx
TLSH
T12E232A003BE8812BF2BE4F78A9F26145867AF5633603D6491CC451DB5723FC69A426FE
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

5e90fa03ca600e2a81c00beb55a9f760a48654255b4eddbfd63df2dabc71ef37

mscoree

dotnet