asyncrat | 223535f50dd31879b064e781285c4423477a762583f7601c24ef2cd9751b4f87

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General

Target
223535f50dd31879b064e781285c4423477a762583f7601c24ef2cd9751b4f87
Size 45KB
Sample260722-j7caksce49
SHA256 223535f50dd31879b064e781285c4423477a762583f7601c24ef2cd9751b4f87
MD5 a3fade6107fd069cd6c8d5657fdeff0c
SHA1 f6d44a84097b75a9629d9bc2828f73902db84de2
SHA512 1a87cfb6ffbd8ecc6a8a6486e934c5395bd5a41b61b4f70ab163b22ca6777c0fd02f4f021a5ad49a8260ff1ab4daccb53076fa681f3d42ebd7c955563c8831af
SSDEEP 768:cuR0JTPUYkEWUmjWymo2q18Q0D3+/vPPjZPI7zjbMgD3igIYIWRVS+sNKeXscBDg:cuR0JTPjY2DP32/jW73bDDSgIYvVSUeO
TLSH
T165232B0037E9812BF2BE4F78A8F26145867AF6632503D6491CC451DB5723FC6DA42AFE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

kacasatu.com:80
kacasatu.com:22
kacasatu.com:8080
kacasatu.com:8880
kacasatu.com:2052
kacasatu.com:2082
kacasatu.com:2086
kacasatu.com:2095
kacasatu.com:443
kacasatu.com:2053
kacasatu.com:2083
kacasatu.com:2087
kacasatu.com:2096
kacasatu.com:8443
www.kacasatu.com:80
www.kacasatu.com:22
www.kacasatu.com:8080
www.kacasatu.com:8880
www.kacasatu.com:2052
www.kacasatu.com:2082
www.kacasatu.com:2086
www.kacasatu.com:2095
www.kacasatu.com:443
www.kacasatu.com:2053
www.kacasatu.com:2083
www.kacasatu.com:2087
www.kacasatu.com:2096
www.kacasatu.com:8443
nanocore.kacasatu.com:80
nanocore.kacasatu.com:22
nanocore.kacasatu.com:8080
nanocore.kacasatu.com:8880
nanocore.kacasatu.com:2052
nanocore.kacasatu.com:2082
nanocore.kacasatu.com:2086
nanocore.kacasatu.com:2095
nanocore.kacasatu.com:443
nanocore.kacasatu.com:2053
nanocore.kacasatu.com:2083
nanocore.kacasatu.com:2087
nanocore.kacasatu.com:2096
nanocore.kacasatu.com:8443
ursnif.kacasatu.com:80
ursnif.kacasatu.com:22
ursnif.kacasatu.com:8080
ursnif.kacasatu.com:8880
ursnif.kacasatu.com:2052
ursnif.kacasatu.com:2082
ursnif.kacasatu.com:2086
ursnif.kacasatu.com:2095
ursnif.kacasatu.com:443
ursnif.kacasatu.com:2053
ursnif.kacasatu.com:2083
ursnif.kacasatu.com:2087
ursnif.kacasatu.com:2096
ursnif.kacasatu.com:8443
sodinokibi.kacasatu.com:80
sodinokibi.kacasatu.com:22
sodinokibi.kacasatu.com:8080
sodinokibi.kacasatu.com:8880
sodinokibi.kacasatu.com:2052
sodinokibi.kacasatu.com:2082
sodinokibi.kacasatu.com:2086
sodinokibi.kacasatu.com:2095
sodinokibi.kacasatu.com:443
sodinokibi.kacasatu.com:2053
sodinokibi.kacasatu.com:2083
sodinokibi.kacasatu.com:2087
sodinokibi.kacasatu.com:2096
sodinokibi.kacasatu.com:8443

Mutex

HyG2oxn4zh2G

Attributes

delay
0
install
true
install_file
a54n.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
223535f50dd31879b064e781285c4423477a762583f7601c24ef2cd9751b4f87

File Explorer

223535f50dd31879b064e781285c4423477a762583f7601c24ef2cd9751b4f87

.exe 45KB

223535f50dd31879b064e781285c4423477a762583f7601c24ef2cd9751b4f87

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 223535f50dd31879b064e781285c4423477a762583f7601c24ef2cd9751b4f87
MD5 a3fade6107fd069cd6c8d5657fdeff0c
SHA1 f6d44a84097b75a9629d9bc2828f73902db84de2
SHA512 1a87cfb6ffbd8ecc6a8a6486e934c5395bd5a41b61b4f70ab163b22ca6777c0fd02f4f021a5ad49a8260ff1ab4daccb53076fa681f3d42ebd7c955563c8831af
SSDEEP 768:cuR0JTPUYkEWUmjWymo2q18Q0D3+/vPPjZPI7zjbMgD3igIYIWRVS+sNKeXscBDg:cuR0JTPjY2DP32/jW73bDDSgIYvVSUeO
TLSH
T165232B0037E9812BF2BE4F78A8F26145867AF6632503D6491CC451DB5723FC6DA42AFE
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

51310

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

223535f50dd31879b064e781285c4423477a762583f7601c24ef2cd9751b4f87

mscoree

dotnet