asyncrat | 251ec2f42282fd1e621a80573c01e9318ad20de921a7fbe826eb933c84da9867

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General

Target
251ec2f42282fd1e621a80573c01e9318ad20de921a7fbe826eb933c84da9867
Size 45KB
Sample260711-e966hsdz8t
SHA256 251ec2f42282fd1e621a80573c01e9318ad20de921a7fbe826eb933c84da9867
MD5 54199c22c78f921cc46b8ba3ad47be3a
SHA1 6eb6aa9f08c84c4992aa454e1a005d8c8efe4878
SHA512 f30a13ef17bd377c4b5c4b98de1f5f49fd2b4ae6d647aa066ef68760ce14cc81813ffc9f1c2f5e8a49ded4b34f32aaf237ee25e8a2a24154acd001d2e32676fc
SSDEEP 768:wuDWZTpw7bmaWUg3gSk0mo2qlKzdAAyPMlL8TfPIMWzjbJgX3dkbpXBe9ZwKBDZO:wuDWZTpMZSB2/lvlL+4MW3bGXtSDeUU8
TLSH
T159231B003BE9812BF2BE4FB899F26145867AF2733603D54A1CC4519B5A13FC69642AFD
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
notpetya.fimsec.com:80
notpetya.fimsec.com:22
notpetya.fimsec.com:8080
notpetya.fimsec.com:8880
notpetya.fimsec.com:2052
notpetya.fimsec.com:2082
notpetya.fimsec.com:2086
notpetya.fimsec.com:2095
notpetya.fimsec.com:443
notpetya.fimsec.com:2053
notpetya.fimsec.com:2083
notpetya.fimsec.com:2087
notpetya.fimsec.com:2096
notpetya.fimsec.com:8443
hermeticwiper.fimsec.com:80
hermeticwiper.fimsec.com:22
hermeticwiper.fimsec.com:8080
hermeticwiper.fimsec.com:8880
hermeticwiper.fimsec.com:2052
hermeticwiper.fimsec.com:2082
hermeticwiper.fimsec.com:2086
hermeticwiper.fimsec.com:2095
hermeticwiper.fimsec.com:443
hermeticwiper.fimsec.com:2053
hermeticwiper.fimsec.com:2083
hermeticwiper.fimsec.com:2087
hermeticwiper.fimsec.com:2096
hermeticwiper.fimsec.com:8443

Mutex

FQVrgScLi9Xw

Attributes

delay
0
install
true
install_file
1y08s.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
251ec2f42282fd1e621a80573c01e9318ad20de921a7fbe826eb933c84da9867

File Explorer

251ec2f42282fd1e621a80573c01e9318ad20de921a7fbe826eb933c84da9867

.exe 45KB

251ec2f42282fd1e621a80573c01e9318ad20de921a7fbe826eb933c84da9867

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 251ec2f42282fd1e621a80573c01e9318ad20de921a7fbe826eb933c84da9867
MD5 54199c22c78f921cc46b8ba3ad47be3a
SHA1 6eb6aa9f08c84c4992aa454e1a005d8c8efe4878
SHA512 f30a13ef17bd377c4b5c4b98de1f5f49fd2b4ae6d647aa066ef68760ce14cc81813ffc9f1c2f5e8a49ded4b34f32aaf237ee25e8a2a24154acd001d2e32676fc
SSDEEP 768:wuDWZTpw7bmaWUg3gSk0mo2qlKzdAAyPMlL8TfPIMWzjbJgX3dkbpXBe9ZwKBDZO:wuDWZTpMZSB2/lvlL+4MW3bGXtSDeUU8
TLSH
T159231B003BE9812BF2BE4FB899F26145867AF2733603D54A1CC4519B5A13FC69642AFD
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

251ec2f42282fd1e621a80573c01e9318ad20de921a7fbe826eb933c84da9867

mscoree

dotnet