asyncrat | 641c9eddc96c7a600df031cea8b68bf18c1508004e8fd718c3b3ac10c42f48e7

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General

Target
641c9eddc96c7a600df031cea8b68bf18c1508004e8fd718c3b3ac10c42f48e7
Size 45KB
Sample260919-mks7cssv4p
SHA256 641c9eddc96c7a600df031cea8b68bf18c1508004e8fd718c3b3ac10c42f48e7
MD5 076e81729ce6204c0891fa4bfeed9673
SHA1 6329f9867cc59968fd8ffbd907fb4531f7ddb4a7
SHA512 e8262f0d6b3d45038b1fc2a236134a6db90a91419314be4fabbe3801058cd78b6649721a25c8f54afe9e088bbd251e27c6384d602f78d94afb883efd6c8d735d
SSDEEP 768:kuSOpTPTCFcWUeXa6mo2qAm8kLyuObvtkjZPICzjb8gXDiZQ3QmOTQ0QZPBDZMx:kuSOpTPOP2W8LuyyjWC3bTXe4TaQP5dO
TLSH
T1CF233C003BE8C12BF2BE4F78A8F26245867AF6633603D5491CC451DB5613FC69A42AFD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

viet69no1.net:80
viet69no1.net:22
viet69no1.net:8080
viet69no1.net:8880
viet69no1.net:2052
viet69no1.net:2082
viet69no1.net:2086
viet69no1.net:2095
viet69no1.net:443
viet69no1.net:2053
viet69no1.net:2083
viet69no1.net:2087
viet69no1.net:2096
viet69no1.net:8443
www.viet69no1.net:80
www.viet69no1.net:22
www.viet69no1.net:8080
www.viet69no1.net:8880
www.viet69no1.net:2052
www.viet69no1.net:2082
www.viet69no1.net:2086
www.viet69no1.net:2095
www.viet69no1.net:443
www.viet69no1.net:2053
www.viet69no1.net:2083
www.viet69no1.net:2087
www.viet69no1.net:2096
www.viet69no1.net:8443
triton.viet69no1.net:80
triton.viet69no1.net:22
triton.viet69no1.net:8080
triton.viet69no1.net:8880
triton.viet69no1.net:2052
triton.viet69no1.net:2082
triton.viet69no1.net:2086
triton.viet69no1.net:2095
triton.viet69no1.net:443
triton.viet69no1.net:2053
triton.viet69no1.net:2083
triton.viet69no1.net:2087
triton.viet69no1.net:2096
triton.viet69no1.net:8443
clop.viet69no1.net:80
clop.viet69no1.net:22
clop.viet69no1.net:8080
clop.viet69no1.net:8880
clop.viet69no1.net:2052
clop.viet69no1.net:2082
clop.viet69no1.net:2086
clop.viet69no1.net:2095
clop.viet69no1.net:443
clop.viet69no1.net:2053
clop.viet69no1.net:2083
clop.viet69no1.net:2087
clop.viet69no1.net:2096
clop.viet69no1.net:8443
formbook.viet69no1.net:80
formbook.viet69no1.net:22
formbook.viet69no1.net:8080
formbook.viet69no1.net:8880
formbook.viet69no1.net:2052
formbook.viet69no1.net:2082
formbook.viet69no1.net:2086
formbook.viet69no1.net:2095
formbook.viet69no1.net:443
formbook.viet69no1.net:2053
formbook.viet69no1.net:2083
formbook.viet69no1.net:2087
formbook.viet69no1.net:2096
formbook.viet69no1.net:8443
zeus.viet69no1.net:80
zeus.viet69no1.net:22
zeus.viet69no1.net:8080
zeus.viet69no1.net:8880
zeus.viet69no1.net:2052
zeus.viet69no1.net:2082
zeus.viet69no1.net:2086
zeus.viet69no1.net:2095
zeus.viet69no1.net:443
zeus.viet69no1.net:2053
zeus.viet69no1.net:2083
zeus.viet69no1.net:2087
zeus.viet69no1.net:2096
zeus.viet69no1.net:8443

Mutex

l2HxFPMuCzcZ

Attributes

delay
0
install
true
install_file
u18r.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
641c9eddc96c7a600df031cea8b68bf18c1508004e8fd718c3b3ac10c42f48e7

File Explorer

641c9eddc96c7a600df031cea8b68bf18c1508004e8fd718c3b3ac10c42f48e7

.exe 45KB

641c9eddc96c7a600df031cea8b68bf18c1508004e8fd718c3b3ac10c42f48e7

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 641c9eddc96c7a600df031cea8b68bf18c1508004e8fd718c3b3ac10c42f48e7
MD5 076e81729ce6204c0891fa4bfeed9673
SHA1 6329f9867cc59968fd8ffbd907fb4531f7ddb4a7
SHA512 e8262f0d6b3d45038b1fc2a236134a6db90a91419314be4fabbe3801058cd78b6649721a25c8f54afe9e088bbd251e27c6384d602f78d94afb883efd6c8d735d
SSDEEP 768:kuSOpTPTCFcWUeXa6mo2qAm8kLyuObvtkjZPICzjb8gXDiZQ3QmOTQ0QZPBDZMx:kuSOpTPOP2W8LuyyjWC3bTXe4TaQP5dO
TLSH
T1CF233C003BE8C12BF2BE4F78A8F26245867AF6633603D5491CC451DB5613FC69A42AFD
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

51390

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

641c9eddc96c7a600df031cea8b68bf18c1508004e8fd718c3b3ac10c42f48e7

mscoree

dotnet