asyncrat | 4e88dc3f7a59298b2c8c8f310aa434daed0b6e87d302b14c25e6129edc2a1f39

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General

Target
4e88dc3f7a59298b2c8c8f310aa434daed0b6e87d302b14c25e6129edc2a1f39
Size 45KB
Sample260722-tntevsha67
SHA256 4e88dc3f7a59298b2c8c8f310aa434daed0b6e87d302b14c25e6129edc2a1f39
MD5 504a2b22f889ebe965e38d7315d8ab34
SHA1 a83e30dd24db2940f141c778b9004150ae0cca60
SHA512 c886c532ca9f753d9588822879d6b123eacbbecc31551c439c4498ba7fc48e477496324cef62cabeeb46414b09b12a66c171de161a804d3967e48c2a332dc9ff
SSDEEP 768:MuBGJTP0BQ0UWUWHaimo2qVJpt0CCMhdjCvS8PIj5jb0gX3iSmer3TBWWVOvSBDw:MuBGJTPho2Q/CChBj5bbXS2rj/OvsdEx
TLSH
T13D232A003BE9812BF2BE4F7868F26145867AF5632A03D54E1CC451DB1723FC69653AEE
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
klez.kacasatu.com:80
klez.kacasatu.com:22
klez.kacasatu.com:8080
klez.kacasatu.com:8880
klez.kacasatu.com:2052
klez.kacasatu.com:2082
klez.kacasatu.com:2086
klez.kacasatu.com:2095
klez.kacasatu.com:443
klez.kacasatu.com:2053
klez.kacasatu.com:2083
klez.kacasatu.com:2087
klez.kacasatu.com:2096
klez.kacasatu.com:8443
ryuk.kacasatu.com:80
ryuk.kacasatu.com:22
ryuk.kacasatu.com:8080
ryuk.kacasatu.com:8880
ryuk.kacasatu.com:2052
ryuk.kacasatu.com:2082
ryuk.kacasatu.com:2086
ryuk.kacasatu.com:2095
ryuk.kacasatu.com:443
ryuk.kacasatu.com:2053
ryuk.kacasatu.com:2083
ryuk.kacasatu.com:2087
ryuk.kacasatu.com:2096
ryuk.kacasatu.com:8443
lokibot.kacasatu.com:80
lokibot.kacasatu.com:22
lokibot.kacasatu.com:8080
lokibot.kacasatu.com:8880
lokibot.kacasatu.com:2052
lokibot.kacasatu.com:2082
lokibot.kacasatu.com:2086
lokibot.kacasatu.com:2095
lokibot.kacasatu.com:443
lokibot.kacasatu.com:2053
lokibot.kacasatu.com:2083
lokibot.kacasatu.com:2087
lokibot.kacasatu.com:2096
lokibot.kacasatu.com:8443
downadup.kacasatu.com:80
downadup.kacasatu.com:22
downadup.kacasatu.com:8080
downadup.kacasatu.com:8880
downadup.kacasatu.com:2052
downadup.kacasatu.com:2082
downadup.kacasatu.com:2086
downadup.kacasatu.com:2095
downadup.kacasatu.com:443
downadup.kacasatu.com:2053
downadup.kacasatu.com:2083
downadup.kacasatu.com:2087
downadup.kacasatu.com:2096
downadup.kacasatu.com:8443

Mutex

VRsA4F97CGjC

Attributes

delay
0
install
true
install_file
gaga.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
4e88dc3f7a59298b2c8c8f310aa434daed0b6e87d302b14c25e6129edc2a1f39

File Explorer

4e88dc3f7a59298b2c8c8f310aa434daed0b6e87d302b14c25e6129edc2a1f39

.exe 45KB

4e88dc3f7a59298b2c8c8f310aa434daed0b6e87d302b14c25e6129edc2a1f39

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 4e88dc3f7a59298b2c8c8f310aa434daed0b6e87d302b14c25e6129edc2a1f39
MD5 504a2b22f889ebe965e38d7315d8ab34
SHA1 a83e30dd24db2940f141c778b9004150ae0cca60
SHA512 c886c532ca9f753d9588822879d6b123eacbbecc31551c439c4498ba7fc48e477496324cef62cabeeb46414b09b12a66c171de161a804d3967e48c2a332dc9ff
SSDEEP 768:MuBGJTP0BQ0UWUWHaimo2qVJpt0CCMhdjCvS8PIj5jb0gX3iSmer3TBWWVOvSBDw:MuBGJTPho2Q/CChBj5bbXS2rj/OvsdEx
TLSH
T13D232A003BE9812BF2BE4F7868F26145867AF5632A03D54E1CC451DB1723FC69653AEE
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

51358

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

4e88dc3f7a59298b2c8c8f310aa434daed0b6e87d302b14c25e6129edc2a1f39

mscoree

dotnet