asyncrat | efb238773bc9ba26c90f95d82d9e8c9db20128179993c8b34c2f5b71bcdf5dc7

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General

Target
efb238773bc9ba26c90f95d82d9e8c9db20128179993c8b34c2f5b71bcdf5dc7
Size 45KB
Sample260706-e14c9sdv4q
SHA256 efb238773bc9ba26c90f95d82d9e8c9db20128179993c8b34c2f5b71bcdf5dc7
MD5 24c31c8120948accb661dea0b92cf74d
SHA1 c5b2ef345542f8c3767ec340bf9b99fbf6104cb2
SHA512 017146ca7b6da7e1f3c42668a57e81141798190d0aafcc10af0f0026a8ef7c9f2c456a902d6fbe078aaaa27fdb7496922fb3c9070be3fd9404ff18e7ba8f9b4e
SSDEEP 768:cu7m/5THrq+CWUoDuMmo2qFJhk6c7OOPInzjbsRgf3iybSMsZQuaJ34OyjMyBDZW:cu7e5TH2A2w6TO3n3bbfSybSM8QMdUx
TLSH
T137231A003BE8822BF2BE4F78ACF26145467AF5B36502D54E1CC451DB5623FC69A426FE
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
blaster.sexkurt.com:80
blaster.sexkurt.com:22
blaster.sexkurt.com:8080
blaster.sexkurt.com:8880
blaster.sexkurt.com:2052
blaster.sexkurt.com:2082
blaster.sexkurt.com:2086
blaster.sexkurt.com:2095
blaster.sexkurt.com:443
blaster.sexkurt.com:2053
blaster.sexkurt.com:2083
blaster.sexkurt.com:2087
blaster.sexkurt.com:2096
blaster.sexkurt.com:8443
remcos.sexkurt.com:80
remcos.sexkurt.com:22
remcos.sexkurt.com:8080
remcos.sexkurt.com:8880
remcos.sexkurt.com:2052
remcos.sexkurt.com:2082
remcos.sexkurt.com:2086
remcos.sexkurt.com:2095
remcos.sexkurt.com:443
remcos.sexkurt.com:2053
remcos.sexkurt.com:2083
remcos.sexkurt.com:2087
remcos.sexkurt.com:2096
remcos.sexkurt.com:8443
connect.sexkurt.com:80
connect.sexkurt.com:22
connect.sexkurt.com:8080
connect.sexkurt.com:8880
connect.sexkurt.com:2052
connect.sexkurt.com:2082
connect.sexkurt.com:2086
connect.sexkurt.com:2095
connect.sexkurt.com:443
connect.sexkurt.com:2053
connect.sexkurt.com:2083
connect.sexkurt.com:2087
connect.sexkurt.com:2096
connect.sexkurt.com:8443

Mutex

XUwRFcTPyujY

Attributes

delay
0
install
true
install_file
cz3sg.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
efb238773bc9ba26c90f95d82d9e8c9db20128179993c8b34c2f5b71bcdf5dc7

File Explorer

efb238773bc9ba26c90f95d82d9e8c9db20128179993c8b34c2f5b71bcdf5dc7

.exe 45KB

efb238773bc9ba26c90f95d82d9e8c9db20128179993c8b34c2f5b71bcdf5dc7

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 efb238773bc9ba26c90f95d82d9e8c9db20128179993c8b34c2f5b71bcdf5dc7
MD5 24c31c8120948accb661dea0b92cf74d
SHA1 c5b2ef345542f8c3767ec340bf9b99fbf6104cb2
SHA512 017146ca7b6da7e1f3c42668a57e81141798190d0aafcc10af0f0026a8ef7c9f2c456a902d6fbe078aaaa27fdb7496922fb3c9070be3fd9404ff18e7ba8f9b4e
SSDEEP 768:cu7m/5THrq+CWUoDuMmo2qFJhk6c7OOPInzjbsRgf3iybSMsZQuaJ34OyjMyBDZW:cu7e5TH2A2w6TO3n3bbfSybSM8QMdUx
TLSH
T137231A003BE8822BF2BE4F78ACF26145467AF5B36502D54E1CC451DB5623FC69A426FE
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

efb238773bc9ba26c90f95d82d9e8c9db20128179993c8b34c2f5b71bcdf5dc7

mscoree

dotnet