asyncrat | 963145092c995c49149d2c734f280bf2741a7bab9f4ad21da72e94c79ac61349

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General

Target
963145092c995c49149d2c734f280bf2741a7bab9f4ad21da72e94c79ac61349
Size 45KB
Sample260907-yz36navfkf
SHA256 963145092c995c49149d2c734f280bf2741a7bab9f4ad21da72e94c79ac61349
MD5 9200155f53113d05542b08bf7a6f98fe
SHA1 95e84d917c2d50e4b029f4ddd575c60aee991354
SHA512 6c92b45f34832473a848706d66f767fc1339cb2fb8de43510b150692e341efdfca90ab59b6120319c6f5049d2b4dc18ab7f675fe468b2f4fe6dcaae7bc2c273a
SSDEEP 768:cu7m/5THrq+CWUoDuMmo2qFFeeXKSocbbbQtN8/nPI6kzjbggX3ixoIHwrJOBtek:cu7e5TH2A2deH2tNKA6k3bHXSXQO7SdW
TLSH
T156232A003BD8C12BF2BE4F7899F262458A7AF6633603D94A1CC451DB4613FC59A42AFD
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
malware.javsub.blog:80
malware.javsub.blog:22
malware.javsub.blog:8080
malware.javsub.blog:8880
malware.javsub.blog:2052
malware.javsub.blog:2082
malware.javsub.blog:2086
malware.javsub.blog:2095
malware.javsub.blog:443
malware.javsub.blog:2053
malware.javsub.blog:2083
malware.javsub.blog:2087
malware.javsub.blog:2096
malware.javsub.blog:8443
ryuk.javsub.blog:80
ryuk.javsub.blog:22
ryuk.javsub.blog:8080
ryuk.javsub.blog:8880
ryuk.javsub.blog:2052
ryuk.javsub.blog:2082
ryuk.javsub.blog:2086
ryuk.javsub.blog:2095
ryuk.javsub.blog:443
ryuk.javsub.blog:2053
ryuk.javsub.blog:2083
ryuk.javsub.blog:2087
ryuk.javsub.blog:2096
ryuk.javsub.blog:8443

Mutex

prvBK8IAgjZU

Attributes

delay
0
install
true
install_file
k4efx.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
963145092c995c49149d2c734f280bf2741a7bab9f4ad21da72e94c79ac61349

File Explorer

963145092c995c49149d2c734f280bf2741a7bab9f4ad21da72e94c79ac61349

.exe 45KB

963145092c995c49149d2c734f280bf2741a7bab9f4ad21da72e94c79ac61349

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 963145092c995c49149d2c734f280bf2741a7bab9f4ad21da72e94c79ac61349
MD5 9200155f53113d05542b08bf7a6f98fe
SHA1 95e84d917c2d50e4b029f4ddd575c60aee991354
SHA512 6c92b45f34832473a848706d66f767fc1339cb2fb8de43510b150692e341efdfca90ab59b6120319c6f5049d2b4dc18ab7f675fe468b2f4fe6dcaae7bc2c273a
SSDEEP 768:cu7m/5THrq+CWUoDuMmo2qFFeeXKSocbbbQtN8/nPI6kzjbggX3ixoIHwrJOBtek:cu7e5TH2A2deH2tNKA6k3bHXSXQO7SdW
TLSH
T156232A003BD8C12BF2BE4F7899F262458A7AF6633603D94A1CC451DB4613FC59A42AFD
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

51310

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

963145092c995c49149d2c734f280bf2741a7bab9f4ad21da72e94c79ac61349

mscoree

dotnet