asyncrat | 85f1bf8b421608f04e2e5a57cd4ffe4a0f428d80e959ef3339e00b6de9ef578c

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General

Target
85f1bf8b421608f04e2e5a57cd4ffe4a0f428d80e959ef3339e00b6de9ef578c
Size 45KB
Sample260803-pcs8haxbme
SHA256 85f1bf8b421608f04e2e5a57cd4ffe4a0f428d80e959ef3339e00b6de9ef578c
MD5 183955e2a08f8b9ccc0f9068c795e165
SHA1 7af2915ae604ae44c78ff8fad24a56cfbb4048a3
SHA512 84e267172da99f1b3666ffeaf56908bbb66a916878746dc46008725fa348b84b95b85a3823b33871cd2d1caf2791f9beca5688228ee874ecd0c26fe300b1c25b
SSDEEP 768:wuDWZTpw7bmaWUg3gSk0mo2ql+Nd3g4OcSOPI0nzjblgXEip0u2AsPUXfBDZMx:wuDWZTpMZSB2tCES30n3biXBp0HZMdMx
TLSH
T15E232A003BE8C12BF1BE4F78A9F26105867AF6733603D54A1CC452DB5613BC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

sexviet41.com:80
sexviet41.com:22
sexviet41.com:8080
sexviet41.com:8880
sexviet41.com:2052
sexviet41.com:2082
sexviet41.com:2086
sexviet41.com:2095
sexviet41.com:443
sexviet41.com:2053
sexviet41.com:2083
sexviet41.com:2087
sexviet41.com:2096
sexviet41.com:8443
www.sexviet41.com:80
www.sexviet41.com:22
www.sexviet41.com:8080
www.sexviet41.com:8880
www.sexviet41.com:2052
www.sexviet41.com:2082
www.sexviet41.com:2086
www.sexviet41.com:2095
www.sexviet41.com:443
www.sexviet41.com:2053
www.sexviet41.com:2083
www.sexviet41.com:2087
www.sexviet41.com:2096
www.sexviet41.com:8443
cl0p.sexviet41.com:80
cl0p.sexviet41.com:22
cl0p.sexviet41.com:8080
cl0p.sexviet41.com:8880
cl0p.sexviet41.com:2052
cl0p.sexviet41.com:2082
cl0p.sexviet41.com:2086
cl0p.sexviet41.com:2095
cl0p.sexviet41.com:443
cl0p.sexviet41.com:2053
cl0p.sexviet41.com:2083
cl0p.sexviet41.com:2087
cl0p.sexviet41.com:2096
cl0p.sexviet41.com:8443
nimda.sexviet41.com:80
nimda.sexviet41.com:22
nimda.sexviet41.com:8080
nimda.sexviet41.com:8880
nimda.sexviet41.com:2052
nimda.sexviet41.com:2082
nimda.sexviet41.com:2086
nimda.sexviet41.com:2095
nimda.sexviet41.com:443
nimda.sexviet41.com:2053
nimda.sexviet41.com:2083
nimda.sexviet41.com:2087
nimda.sexviet41.com:2096
nimda.sexviet41.com:8443

Mutex

Lo5lTxgRKzuh

Attributes

delay
0
install
true
install_file
t1ucr.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
85f1bf8b421608f04e2e5a57cd4ffe4a0f428d80e959ef3339e00b6de9ef578c

File Explorer

85f1bf8b421608f04e2e5a57cd4ffe4a0f428d80e959ef3339e00b6de9ef578c

.exe 45KB

85f1bf8b421608f04e2e5a57cd4ffe4a0f428d80e959ef3339e00b6de9ef578c

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 85f1bf8b421608f04e2e5a57cd4ffe4a0f428d80e959ef3339e00b6de9ef578c
MD5 183955e2a08f8b9ccc0f9068c795e165
SHA1 7af2915ae604ae44c78ff8fad24a56cfbb4048a3
SHA512 84e267172da99f1b3666ffeaf56908bbb66a916878746dc46008725fa348b84b95b85a3823b33871cd2d1caf2791f9beca5688228ee874ecd0c26fe300b1c25b
SSDEEP 768:wuDWZTpw7bmaWUg3gSk0mo2ql+Nd3g4OcSOPI0nzjblgXEip0u2AsPUXfBDZMx:wuDWZTpMZSB2tCES30n3biXBp0HZMdMx
TLSH
T15E232A003BE8C12BF1BE4F78A9F26105867AF6733603D54A1CC452DB5613BC69A426FE
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

51262

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

85f1bf8b421608f04e2e5a57cd4ffe4a0f428d80e959ef3339e00b6de9ef578c

mscoree

dotnet