asyncrat | c938f2ece78793f6c4ce82e8f4aeb16c2f37c5d15b7d481940e1ad5374b8e1d2

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General

Target
c938f2ece78793f6c4ce82e8f4aeb16c2f37c5d15b7d481940e1ad5374b8e1d2
Size 45KB
Sample260803-qqdkmscj6v
SHA256 c938f2ece78793f6c4ce82e8f4aeb16c2f37c5d15b7d481940e1ad5374b8e1d2
MD5 09a156fae2358d02164545f1d927d6f6
SHA1 23387554c9e380f530e9ee8015bbc19fc410cef5
SHA512 fca3e3e9cd2200696061f33957b33b084001870507205dceea5f87cb3e8efcc9ec05e8a2bd8e7d20b3ac65d4c275d52d0aa9a7e32c561ec5ceec6e51c4f30f52
SSDEEP 768:5uSy6pTpwrSWWUE3/WImo2qNrwD/y/aqPIzzjbMgX3iQbeuPSp4AW0/PBDZ0x:5uSy6pTpoo2okhz3bDXSQVPpAd/5d0x
TLSH
T159233B003BE9C12BF2BF5B789DF26145867AF5633A03D5891CC4119B1613FC68A42AFE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

sas-cdn.com:80
sas-cdn.com:22
sas-cdn.com:8080
sas-cdn.com:8880
sas-cdn.com:2052
sas-cdn.com:2082
sas-cdn.com:2086
sas-cdn.com:2095
sas-cdn.com:443
sas-cdn.com:2053
sas-cdn.com:2083
sas-cdn.com:2087
sas-cdn.com:2096
sas-cdn.com:8443
www.sas-cdn.com:80
www.sas-cdn.com:22
www.sas-cdn.com:8080
www.sas-cdn.com:8880
www.sas-cdn.com:2052
www.sas-cdn.com:2082
www.sas-cdn.com:2086
www.sas-cdn.com:2095
www.sas-cdn.com:443
www.sas-cdn.com:2053
www.sas-cdn.com:2083
www.sas-cdn.com:2087
www.sas-cdn.com:2096
www.sas-cdn.com:8443
sobig.sas-cdn.com:80
sobig.sas-cdn.com:22
sobig.sas-cdn.com:8080
sobig.sas-cdn.com:8880
sobig.sas-cdn.com:2052
sobig.sas-cdn.com:2082
sobig.sas-cdn.com:2086
sobig.sas-cdn.com:2095
sobig.sas-cdn.com:443
sobig.sas-cdn.com:2053
sobig.sas-cdn.com:2083
sobig.sas-cdn.com:2087
sobig.sas-cdn.com:2096
sobig.sas-cdn.com:8443
conficker.sas-cdn.com:80
conficker.sas-cdn.com:22
conficker.sas-cdn.com:8080
conficker.sas-cdn.com:8880
conficker.sas-cdn.com:2052
conficker.sas-cdn.com:2082
conficker.sas-cdn.com:2086
conficker.sas-cdn.com:2095
conficker.sas-cdn.com:443
conficker.sas-cdn.com:2053
conficker.sas-cdn.com:2083
conficker.sas-cdn.com:2087
conficker.sas-cdn.com:2096
conficker.sas-cdn.com:8443

Mutex

FhFDcd5FlWMr

Attributes

delay
0
install
true
install_file
3bfimd5.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
c938f2ece78793f6c4ce82e8f4aeb16c2f37c5d15b7d481940e1ad5374b8e1d2

File Explorer

c938f2ece78793f6c4ce82e8f4aeb16c2f37c5d15b7d481940e1ad5374b8e1d2

.exe 45KB

c938f2ece78793f6c4ce82e8f4aeb16c2f37c5d15b7d481940e1ad5374b8e1d2

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 c938f2ece78793f6c4ce82e8f4aeb16c2f37c5d15b7d481940e1ad5374b8e1d2
MD5 09a156fae2358d02164545f1d927d6f6
SHA1 23387554c9e380f530e9ee8015bbc19fc410cef5
SHA512 fca3e3e9cd2200696061f33957b33b084001870507205dceea5f87cb3e8efcc9ec05e8a2bd8e7d20b3ac65d4c275d52d0aa9a7e32c561ec5ceec6e51c4f30f52
SSDEEP 768:5uSy6pTpwrSWWUE3/WImo2qNrwD/y/aqPIzzjbMgX3iQbeuPSp4AW0/PBDZ0x:5uSy6pTpoo2okhz3bDXSQVPpAd/5d0x
TLSH
T159233B003BE9C12BF2BF5B789DF26145867AF5633A03D5891CC4119B1613FC68A42AFE
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

51278

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

c938f2ece78793f6c4ce82e8f4aeb16c2f37c5d15b7d481940e1ad5374b8e1d2

mscoree

dotnet