asyncrat | b7b9aa97fc4535f839b2da1d7a5a0a6dcc8ccd1a2a96348ec1500e4031a0659e

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General

Target
b7b9aa97fc4535f839b2da1d7a5a0a6dcc8ccd1a2a96348ec1500e4031a0659e
Size 45KB
Sample260718-vcvdfsbt4v
SHA256 b7b9aa97fc4535f839b2da1d7a5a0a6dcc8ccd1a2a96348ec1500e4031a0659e
MD5 8bb70de79cf854b352d9e28f65568c53
SHA1 7f0bf597d3387c98872bf5458832538d896e70bf
SHA512 08526d4f528752460f71ff4442b4508647b3719d3526bb930078b8562e5db0b4033cc163e02ebbaf396788cf7194f01a51b7f27ebea111bf6b382ad014dbc154
SSDEEP 768:QuflpT8AkKuWUch7wmo2q9jwD/y/aqPIdzjbigX3iWneH6ZvcBDZTx:QuflpT8Hv2gkhd3bFXSH6ZydTx
TLSH
T195234B103BE9C12BF2BE5F789DF26105497AF6632A03D54D1CC4119B4B13BC68A526FE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

sexjav.cfd:80
sexjav.cfd:22
sexjav.cfd:8080
sexjav.cfd:8880
sexjav.cfd:2052
sexjav.cfd:2082
sexjav.cfd:2086
sexjav.cfd:2095
sexjav.cfd:443
sexjav.cfd:2053
sexjav.cfd:2083
sexjav.cfd:2087
sexjav.cfd:2096
sexjav.cfd:8443
www.sexjav.cfd:80
www.sexjav.cfd:22
www.sexjav.cfd:8080
www.sexjav.cfd:8880
www.sexjav.cfd:2052
www.sexjav.cfd:2082
www.sexjav.cfd:2086
www.sexjav.cfd:2095
www.sexjav.cfd:443
www.sexjav.cfd:2053
www.sexjav.cfd:2083
www.sexjav.cfd:2087
www.sexjav.cfd:2096
www.sexjav.cfd:8443
revil.sexjav.cfd:80
revil.sexjav.cfd:22
revil.sexjav.cfd:8080
revil.sexjav.cfd:8880
revil.sexjav.cfd:2052
revil.sexjav.cfd:2082
revil.sexjav.cfd:2086
revil.sexjav.cfd:2095
revil.sexjav.cfd:443
revil.sexjav.cfd:2053
revil.sexjav.cfd:2083
revil.sexjav.cfd:2087
revil.sexjav.cfd:2096
revil.sexjav.cfd:8443
locky.sexjav.cfd:80
locky.sexjav.cfd:22
locky.sexjav.cfd:8080
locky.sexjav.cfd:8880
locky.sexjav.cfd:2052
locky.sexjav.cfd:2082
locky.sexjav.cfd:2086
locky.sexjav.cfd:2095
locky.sexjav.cfd:443
locky.sexjav.cfd:2053
locky.sexjav.cfd:2083
locky.sexjav.cfd:2087
locky.sexjav.cfd:2096
locky.sexjav.cfd:8443

Mutex

hP9m5V66PJ4h

Attributes

delay
0
install
true
install_file
zz4ee75.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
b7b9aa97fc4535f839b2da1d7a5a0a6dcc8ccd1a2a96348ec1500e4031a0659e

File Explorer

b7b9aa97fc4535f839b2da1d7a5a0a6dcc8ccd1a2a96348ec1500e4031a0659e

.exe 45KB

b7b9aa97fc4535f839b2da1d7a5a0a6dcc8ccd1a2a96348ec1500e4031a0659e

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 b7b9aa97fc4535f839b2da1d7a5a0a6dcc8ccd1a2a96348ec1500e4031a0659e
MD5 8bb70de79cf854b352d9e28f65568c53
SHA1 7f0bf597d3387c98872bf5458832538d896e70bf
SHA512 08526d4f528752460f71ff4442b4508647b3719d3526bb930078b8562e5db0b4033cc163e02ebbaf396788cf7194f01a51b7f27ebea111bf6b382ad014dbc154
SSDEEP 768:QuflpT8AkKuWUch7wmo2q9jwD/y/aqPIdzjbigX3iWneH6ZvcBDZTx:QuflpT8Hv2gkhd3bFXSH6ZydTx
TLSH
T195234B103BE9C12BF2BE5F789DF26105497AF6632A03D54D1CC4119B4B13BC68A526FE
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

51230

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

b7b9aa97fc4535f839b2da1d7a5a0a6dcc8ccd1a2a96348ec1500e4031a0659e

mscoree

dotnet