asyncrat | 3b37d885aae37fbf961b64a92bb472834afcc6c210eb56220c95626903e334d5

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General

Target
3b37d885aae37fbf961b64a92bb472834afcc6c210eb56220c95626903e334d5
Size 45KB
Sample260804-v2k63sttcy
SHA256 3b37d885aae37fbf961b64a92bb472834afcc6c210eb56220c95626903e334d5
MD5 76c8224ea179cf35c658f17fa2b76051
SHA1 6bd68eed77002fccfca10db853665760f4ec7070
SHA512 b4457c32be730d36a46d79088ac93d701e8065bcbf73e5759524e785a6154f37e76fecb48ac7ea49e1d4f5a966b3fc54755c086122ff72eb4c42ac3909bb42bc
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q1opt0CCM+d4CvS8PIk5jbIgX3ivsGQe51BPBDZMx:wuZ8pT1tc2x/CFWBk5bfXSEGFB5dMx
TLSH
T1B4231A003BE9812AF2BE4F74A8F26205467AF6732603D5491CC451DB5723FC69A42AE9
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
ryuk.sas-cdn.com:80
ryuk.sas-cdn.com:22
ryuk.sas-cdn.com:8080
ryuk.sas-cdn.com:8880
ryuk.sas-cdn.com:2052
ryuk.sas-cdn.com:2082
ryuk.sas-cdn.com:2086
ryuk.sas-cdn.com:2095
ryuk.sas-cdn.com:443
ryuk.sas-cdn.com:2053
ryuk.sas-cdn.com:2083
ryuk.sas-cdn.com:2087
ryuk.sas-cdn.com:2096
ryuk.sas-cdn.com:8443
fakeupdates.sas-cdn.com:80
fakeupdates.sas-cdn.com:22
fakeupdates.sas-cdn.com:8080
fakeupdates.sas-cdn.com:8880
fakeupdates.sas-cdn.com:2052
fakeupdates.sas-cdn.com:2082
fakeupdates.sas-cdn.com:2086
fakeupdates.sas-cdn.com:2095
fakeupdates.sas-cdn.com:443
fakeupdates.sas-cdn.com:2053
fakeupdates.sas-cdn.com:2083
fakeupdates.sas-cdn.com:2087
fakeupdates.sas-cdn.com:2096
fakeupdates.sas-cdn.com:8443

Mutex

qNh5LHW0u7TM

Attributes

delay
0
install
true
install_file
yetb.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
3b37d885aae37fbf961b64a92bb472834afcc6c210eb56220c95626903e334d5

File Explorer

3b37d885aae37fbf961b64a92bb472834afcc6c210eb56220c95626903e334d5

.exe 45KB

3b37d885aae37fbf961b64a92bb472834afcc6c210eb56220c95626903e334d5

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 3b37d885aae37fbf961b64a92bb472834afcc6c210eb56220c95626903e334d5
MD5 76c8224ea179cf35c658f17fa2b76051
SHA1 6bd68eed77002fccfca10db853665760f4ec7070
SHA512 b4457c32be730d36a46d79088ac93d701e8065bcbf73e5759524e785a6154f37e76fecb48ac7ea49e1d4f5a966b3fc54755c086122ff72eb4c42ac3909bb42bc
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q1opt0CCM+d4CvS8PIk5jbIgX3ivsGQe51BPBDZMx:wuZ8pT1tc2x/CFWBk5bfXSEGFB5dMx
TLSH
T1B4231A003BE9812AF2BE4F74A8F26205467AF6732603D5491CC451DB5723FC69A42AE9
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

3b37d885aae37fbf961b64a92bb472834afcc6c210eb56220c95626903e334d5

mscoree

dotnet