asyncrat | b3fb9dcc03ef1f89471d4212c145899f71178b12af07ecb545db6d2deb793f1d

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General

Target
b3fb9dcc03ef1f89471d4212c145899f71178b12af07ecb545db6d2deb793f1d
Size 45KB
Sample260907-ppe7eagh39
SHA256 b3fb9dcc03ef1f89471d4212c145899f71178b12af07ecb545db6d2deb793f1d
MD5 7422eed2892a0da38ab60dad0667d2ff
SHA1 19a948fbd7c25c0b84db6a12c6bdf79c3a58d44f
SHA512 02c3d9c7f9f108e17108737b21f6cb1fa83b516c06e3bfe817acb8a724431c05320069b56425268fa5342fd592f940c0282f84d0eef31d9eb6a257985d84fd34
SSDEEP 768:4uBfJTMUyYUWUWBDimo2qVb9PLziqyvtLjZPIvzjbZgX0ie7vQ/RC08yq/JnBDZV:4uBfJTMpv2G9HivVjWv3b2XRe745R8n/
TLSH
T16D232B003BE9812BF2BE4F78A8F25145867AF1672603D64D1CC451DB5723FC69A42AFD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

coisex.org:80
coisex.org:22
coisex.org:8080
coisex.org:8880
coisex.org:2052
coisex.org:2082
coisex.org:2086
coisex.org:2095
coisex.org:443
coisex.org:2053
coisex.org:2083
coisex.org:2087
coisex.org:2096
coisex.org:8443
www.coisex.org:80
www.coisex.org:22
www.coisex.org:8080
www.coisex.org:8880
www.coisex.org:2052
www.coisex.org:2082
www.coisex.org:2086
www.coisex.org:2095
www.coisex.org:443
www.coisex.org:2053
www.coisex.org:2083
www.coisex.org:2087
www.coisex.org:2096
www.coisex.org:8443
sasser.coisex.org:80
sasser.coisex.org:22
sasser.coisex.org:8080
sasser.coisex.org:8880
sasser.coisex.org:2052
sasser.coisex.org:2082
sasser.coisex.org:2086
sasser.coisex.org:2095
sasser.coisex.org:443
sasser.coisex.org:2053
sasser.coisex.org:2083
sasser.coisex.org:2087
sasser.coisex.org:2096
sasser.coisex.org:8443
shamoon.coisex.org:80
shamoon.coisex.org:22
shamoon.coisex.org:8080
shamoon.coisex.org:8880
shamoon.coisex.org:2052
shamoon.coisex.org:2082
shamoon.coisex.org:2086
shamoon.coisex.org:2095
shamoon.coisex.org:443
shamoon.coisex.org:2053
shamoon.coisex.org:2083
shamoon.coisex.org:2087
shamoon.coisex.org:2096
shamoon.coisex.org:8443

Mutex

7jeojxMh2UGW

Attributes

delay
0
install
true
install_file
9vrn.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
b3fb9dcc03ef1f89471d4212c145899f71178b12af07ecb545db6d2deb793f1d

File Explorer

b3fb9dcc03ef1f89471d4212c145899f71178b12af07ecb545db6d2deb793f1d

.exe 45KB

b3fb9dcc03ef1f89471d4212c145899f71178b12af07ecb545db6d2deb793f1d

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 b3fb9dcc03ef1f89471d4212c145899f71178b12af07ecb545db6d2deb793f1d
MD5 7422eed2892a0da38ab60dad0667d2ff
SHA1 19a948fbd7c25c0b84db6a12c6bdf79c3a58d44f
SHA512 02c3d9c7f9f108e17108737b21f6cb1fa83b516c06e3bfe817acb8a724431c05320069b56425268fa5342fd592f940c0282f84d0eef31d9eb6a257985d84fd34
SSDEEP 768:4uBfJTMUyYUWUWBDimo2qVb9PLziqyvtLjZPIvzjbZgX0ie7vQ/RC08yq/JnBDZV:4uBfJTMpv2G9HivVjWv3b2XRe745R8n/
TLSH
T16D232B003BE9812BF2BE4F78A8F25145867AF1672603D64D1CC451DB5723FC69A42AFD
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

51230

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

b3fb9dcc03ef1f89471d4212c145899f71178b12af07ecb545db6d2deb793f1d

mscoree

dotnet