asyncrat | c793780ccf8afe863d72cf860e6f72796f05a9b3bb1811dfcc396bfea586a876

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General

Target
c793780ccf8afe863d72cf860e6f72796f05a9b3bb1811dfcc396bfea586a876
Size 45KB
Sample260710-s41nfact2j
SHA256 c793780ccf8afe863d72cf860e6f72796f05a9b3bb1811dfcc396bfea586a876
MD5 a38d3040204cf87c1d62b3d530d850f0
SHA1 57d61f2d0890c114749fcebd16981e76e044b363
SHA512 d31771f86e9ccec7a9d19056e495d046fbda908b0a4d26303762195be870d7e9d9fdd2b6107111e4b167cde4ac65d52d44b352d79e37bd2d1e3eb91db7f18fac
SSDEEP 768:cu6RaepTPYzbs8WU+Xaamo2q1IBz3QKx7PIUmjbhgX3ihVKDRBDZUx:cu6YepTPso2NV0UKbOXSQdUx
TLSH
T19B230A003BE8823BF2BE5F749DF26145867AE5632603D9492CC451DB5623FC6CA426FA
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

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
blaster.fimsec.com:80
blaster.fimsec.com:22
blaster.fimsec.com:8080
blaster.fimsec.com:8880
blaster.fimsec.com:2052
blaster.fimsec.com:2082
blaster.fimsec.com:2086
blaster.fimsec.com:2095
blaster.fimsec.com:443
blaster.fimsec.com:2053
blaster.fimsec.com:2083
blaster.fimsec.com:2087
blaster.fimsec.com:2096
blaster.fimsec.com:8443
locky.fimsec.com:80
locky.fimsec.com:22
locky.fimsec.com:8080
locky.fimsec.com:8880
locky.fimsec.com:2052
locky.fimsec.com:2082
locky.fimsec.com:2086
locky.fimsec.com:2095
locky.fimsec.com:443
locky.fimsec.com:2053
locky.fimsec.com:2083
locky.fimsec.com:2087
locky.fimsec.com:2096
locky.fimsec.com:8443
sasser.fimsec.com:80
sasser.fimsec.com:22
sasser.fimsec.com:8080
sasser.fimsec.com:8880
sasser.fimsec.com:2052
sasser.fimsec.com:2082
sasser.fimsec.com:2086
sasser.fimsec.com:2095
sasser.fimsec.com:443
sasser.fimsec.com:2053
sasser.fimsec.com:2083
sasser.fimsec.com:2087
sasser.fimsec.com:2096
sasser.fimsec.com:8443
stuxnet.fimsec.com:80
stuxnet.fimsec.com:22
stuxnet.fimsec.com:8080
stuxnet.fimsec.com:8880
stuxnet.fimsec.com:2052
stuxnet.fimsec.com:2082
stuxnet.fimsec.com:2086
stuxnet.fimsec.com:2095
stuxnet.fimsec.com:443
stuxnet.fimsec.com:2053
stuxnet.fimsec.com:2083
stuxnet.fimsec.com:2087
stuxnet.fimsec.com:2096
stuxnet.fimsec.com:8443

Mutex

o5zUa6Erx9od

Attributes

delay
0
install
true
install_file
zt3rstbc.exe
install_folder
%AppData%

aes.plain

Targets

- Target
  c793780ccf8afe863d72cf860e6f72796f05a9b3bb1811dfcc396bfea586a876
- Size 45KB
- SHA256 c793780ccf8afe863d72cf860e6f72796f05a9b3bb1811dfcc396bfea586a876
- MD5 a38d3040204cf87c1d62b3d530d850f0
- SHA1 57d61f2d0890c114749fcebd16981e76e044b363
- SHA512 d31771f86e9ccec7a9d19056e495d046fbda908b0a4d26303762195be870d7e9d9fdd2b6107111e4b167cde4ac65d52d44b352d79e37bd2d1e3eb91db7f18fac
- SSDEEP 768:cu6RaepTPYzbs8WU+Xaamo2q1IBz3QKx7PIUmjbhgX3ihVKDRBDZUx:cu6YepTPso2NV0UKbOXSQdUx
- TLSH
  T19B230A003BE8823BF2BE5F749DF26145867AE5632603D9492CC451DB5623FC6CA426FA
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

10^/10

default defense_evasion discovery execution asyncrat persistence rat
- Async RAT payload
  rat
- Family: AsyncRat
  AsyncRAT is designed to remotely monitor and control other computers written in C#.
  rat asyncrat
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
behavioral1 behavioral2