asyncrat | 2ef1fa7577352353b5f60e0511f6ef8765e47559a43414c4962e4029617fa19b

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General

Target
2ef1fa7577352353b5f60e0511f6ef8765e47559a43414c4962e4029617fa19b
Size 45KB
Sample260907-zftcsabc88
SHA256 2ef1fa7577352353b5f60e0511f6ef8765e47559a43414c4962e4029617fa19b
MD5 7e3016b3c1aedd2cb80fed77d97fd022
SHA1 0cb58a505bc62a3d40f205d2feb00dc792cdf5ef
SHA512 c941e7b7cc1b92b570e0c69ec2d991d34da2fb73bc5ff8dae8935726f04c34a9bac1ac54031319e7b4a221543030ec3be69ec91122bb078e9231a880df76e4bc
SSDEEP 768:wuDWZTpw7bmaWUg3gSk0mo2ql3AuXueM+D58vnPIM9zjbFgX311hZ8NgrxUANNBh:wuDWZTpMZSB25uznD5iAM93bCXl1huN+
TLSH
T1D82319003BE8812BF2BF4B7899F26145867EF1633603D95E1CC4529B5723BC69A426FD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

javsub.blog:80
javsub.blog:22
javsub.blog:8080
javsub.blog:8880
javsub.blog:2052
javsub.blog:2082
javsub.blog:2086
javsub.blog:2095
javsub.blog:443
javsub.blog:2053
javsub.blog:2083
javsub.blog:2087
javsub.blog:2096
javsub.blog:8443
www.javsub.blog:80
www.javsub.blog:22
www.javsub.blog:8080
www.javsub.blog:8880
www.javsub.blog:2052
www.javsub.blog:2082
www.javsub.blog:2086
www.javsub.blog:2095
www.javsub.blog:443
www.javsub.blog:2053
www.javsub.blog:2083
www.javsub.blog:2087
www.javsub.blog:2096
www.javsub.blog:8443
remcos.javsub.blog:80
remcos.javsub.blog:22
remcos.javsub.blog:8080
remcos.javsub.blog:8880
remcos.javsub.blog:2052
remcos.javsub.blog:2082
remcos.javsub.blog:2086
remcos.javsub.blog:2095
remcos.javsub.blog:443
remcos.javsub.blog:2053
remcos.javsub.blog:2083
remcos.javsub.blog:2087
remcos.javsub.blog:2096
remcos.javsub.blog:8443
locky.javsub.blog:80
locky.javsub.blog:22
locky.javsub.blog:8080
locky.javsub.blog:8880
locky.javsub.blog:2052
locky.javsub.blog:2082
locky.javsub.blog:2086
locky.javsub.blog:2095
locky.javsub.blog:443
locky.javsub.blog:2053
locky.javsub.blog:2083
locky.javsub.blog:2087
locky.javsub.blog:2096
locky.javsub.blog:8443

Mutex

rrGJD7BbG8Ty

Attributes

delay
0
install
true
install_file
8c6os.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
2ef1fa7577352353b5f60e0511f6ef8765e47559a43414c4962e4029617fa19b

File Explorer

2ef1fa7577352353b5f60e0511f6ef8765e47559a43414c4962e4029617fa19b

.exe 45KB

2ef1fa7577352353b5f60e0511f6ef8765e47559a43414c4962e4029617fa19b

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 2ef1fa7577352353b5f60e0511f6ef8765e47559a43414c4962e4029617fa19b
MD5 7e3016b3c1aedd2cb80fed77d97fd022
SHA1 0cb58a505bc62a3d40f205d2feb00dc792cdf5ef
SHA512 c941e7b7cc1b92b570e0c69ec2d991d34da2fb73bc5ff8dae8935726f04c34a9bac1ac54031319e7b4a221543030ec3be69ec91122bb078e9231a880df76e4bc
SSDEEP 768:wuDWZTpw7bmaWUg3gSk0mo2ql3AuXueM+D58vnPIM9zjbFgX311hZ8NgrxUANNBh:wuDWZTpMZSB25uznD5iAM93bCXl1huN+
TLSH
T1D82319003BE8812BF2BF4B7899F26145867EF1633603D95E1CC4529B5723BC69A426FD
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

2ef1fa7577352353b5f60e0511f6ef8765e47559a43414c4962e4029617fa19b

mscoree

dotnet