asyncrat | 6f88b3d2ae789fbd7c97e131e8821bd6417c1e82f17160eb2311953c1bdd11c4

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General

Target
6f88b3d2ae789fbd7c97e131e8821bd6417c1e82f17160eb2311953c1bdd11c4
Size 45KB
Sample260907-sh1fjsbr31
SHA256 6f88b3d2ae789fbd7c97e131e8821bd6417c1e82f17160eb2311953c1bdd11c4
MD5 50a62decd75bad1915330569a9fa17bb
SHA1 a6eba8ad025b6b04aa60df5064b1ab9e2dcf77da
SHA512 df9fcfe487518f70c734b2b2d9641400324c7e8ca61b999cdbd46a72bd9a9ab8b994c7726ba09b3fd158813c231b7f6dcce8521b24a4e36d63de21b23075552b
SSDEEP 768:suJdpTP3tcsWUODmqmo2qVp5+ZGj9HuPICzjbVg23ikE+oMuGV5PsXx8oHdBDZkx:suJdpTPdI2g2+3C3by2Shra5UXxFzdkx
TLSH
T1D9232A003BE9822BF2BE4F78A8F26145467AF5637603D54D1CC451DB5623FC28A42AFD
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
iloveyou.javsub.blog:80
iloveyou.javsub.blog:22
iloveyou.javsub.blog:8080
iloveyou.javsub.blog:8880
iloveyou.javsub.blog:2052
iloveyou.javsub.blog:2082
iloveyou.javsub.blog:2086
iloveyou.javsub.blog:2095
iloveyou.javsub.blog:443
iloveyou.javsub.blog:2053
iloveyou.javsub.blog:2083
iloveyou.javsub.blog:2087
iloveyou.javsub.blog:2096
iloveyou.javsub.blog:8443
sodinokibi.javsub.blog:80
sodinokibi.javsub.blog:22
sodinokibi.javsub.blog:8080
sodinokibi.javsub.blog:8880
sodinokibi.javsub.blog:2052
sodinokibi.javsub.blog:2082
sodinokibi.javsub.blog:2086
sodinokibi.javsub.blog:2095
sodinokibi.javsub.blog:443
sodinokibi.javsub.blog:2053
sodinokibi.javsub.blog:2083
sodinokibi.javsub.blog:2087
sodinokibi.javsub.blog:2096
sodinokibi.javsub.blog:8443

Mutex

L6uOIISkyWrC

Attributes

delay
0
install
true
install_file
sutrlsfn.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
6f88b3d2ae789fbd7c97e131e8821bd6417c1e82f17160eb2311953c1bdd11c4

File Explorer

6f88b3d2ae789fbd7c97e131e8821bd6417c1e82f17160eb2311953c1bdd11c4

.exe 45KB

6f88b3d2ae789fbd7c97e131e8821bd6417c1e82f17160eb2311953c1bdd11c4

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 6f88b3d2ae789fbd7c97e131e8821bd6417c1e82f17160eb2311953c1bdd11c4
MD5 50a62decd75bad1915330569a9fa17bb
SHA1 a6eba8ad025b6b04aa60df5064b1ab9e2dcf77da
SHA512 df9fcfe487518f70c734b2b2d9641400324c7e8ca61b999cdbd46a72bd9a9ab8b994c7726ba09b3fd158813c231b7f6dcce8521b24a4e36d63de21b23075552b
SSDEEP 768:suJdpTP3tcsWUODmqmo2qVp5+ZGj9HuPICzjbVg23ikE+oMuGV5PsXx8oHdBDZkx:suJdpTPdI2g2+3C3by2Shra5UXxFzdkx
TLSH
T1D9232A003BE9822BF2BE4F78A8F26145467AF5637603D54D1CC451DB5623FC28A42AFD
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

51326

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

6f88b3d2ae789fbd7c97e131e8821bd6417c1e82f17160eb2311953c1bdd11c4

mscoree

dotnet