asyncrat | b3f1f4decd74b796122f8c77ab6a2c57f98bae070b04ada2a3d44fdc54382b51

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General

Target
b3f1f4decd74b796122f8c77ab6a2c57f98bae070b04ada2a3d44fdc54382b51
Size 45KB
Sample260804-mt7fcahg69
SHA256 b3f1f4decd74b796122f8c77ab6a2c57f98bae070b04ada2a3d44fdc54382b51
MD5 3aafe70acfff8455a7d03a27006682ba
SHA1 dc86141101737429ab7dab820e88f0c68777d5fb
SHA512 eaad46165be970ee577f6476e38c1d22fd981b7d1b2e4fcda428cdad97fe6555fc9d63bb8247636c06e8990b77423083dce1ea1fc71485d363d03cb11248f79b
SSDEEP 768:5uSy6pTpwrSWWUE3/WImo2qNPoz/y35iPIzkjbtgX3i95vgPr7UoYN+BDZ0x:5uSy6pTpoo2RjEzkb6XS95IUoYNQd0x
TLSH
T119233C0037E8C22BF2BE5F789CF26145467AF5672A03D6491CC412DB5613FC68A526FE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

haysexcdn.net:80
haysexcdn.net:22
haysexcdn.net:8080
haysexcdn.net:8880
haysexcdn.net:2052
haysexcdn.net:2082
haysexcdn.net:2086
haysexcdn.net:2095
haysexcdn.net:443
haysexcdn.net:2053
haysexcdn.net:2083
haysexcdn.net:2087
haysexcdn.net:2096
haysexcdn.net:8443
www.haysexcdn.net:80
www.haysexcdn.net:22
www.haysexcdn.net:8080
www.haysexcdn.net:8880
www.haysexcdn.net:2052
www.haysexcdn.net:2082
www.haysexcdn.net:2086
www.haysexcdn.net:2095
www.haysexcdn.net:443
www.haysexcdn.net:2053
www.haysexcdn.net:2083
www.haysexcdn.net:2087
www.haysexcdn.net:2096
www.haysexcdn.net:8443
formbook.haysexcdn.net:80
formbook.haysexcdn.net:22
formbook.haysexcdn.net:8080
formbook.haysexcdn.net:8880
formbook.haysexcdn.net:2052
formbook.haysexcdn.net:2082
formbook.haysexcdn.net:2086
formbook.haysexcdn.net:2095
formbook.haysexcdn.net:443
formbook.haysexcdn.net:2053
formbook.haysexcdn.net:2083
formbook.haysexcdn.net:2087
formbook.haysexcdn.net:2096
formbook.haysexcdn.net:8443
gozi.haysexcdn.net:80
gozi.haysexcdn.net:22
gozi.haysexcdn.net:8080
gozi.haysexcdn.net:8880
gozi.haysexcdn.net:2052
gozi.haysexcdn.net:2082
gozi.haysexcdn.net:2086
gozi.haysexcdn.net:2095
gozi.haysexcdn.net:443
gozi.haysexcdn.net:2053
gozi.haysexcdn.net:2083
gozi.haysexcdn.net:2087
gozi.haysexcdn.net:2096
gozi.haysexcdn.net:8443

Mutex

xI6ta3l8lK7y

Attributes

delay
0
install
true
install_file
l5qoyad.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
b3f1f4decd74b796122f8c77ab6a2c57f98bae070b04ada2a3d44fdc54382b51

File Explorer

b3f1f4decd74b796122f8c77ab6a2c57f98bae070b04ada2a3d44fdc54382b51

.exe 45KB

b3f1f4decd74b796122f8c77ab6a2c57f98bae070b04ada2a3d44fdc54382b51

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 b3f1f4decd74b796122f8c77ab6a2c57f98bae070b04ada2a3d44fdc54382b51
MD5 3aafe70acfff8455a7d03a27006682ba
SHA1 dc86141101737429ab7dab820e88f0c68777d5fb
SHA512 eaad46165be970ee577f6476e38c1d22fd981b7d1b2e4fcda428cdad97fe6555fc9d63bb8247636c06e8990b77423083dce1ea1fc71485d363d03cb11248f79b
SSDEEP 768:5uSy6pTpwrSWWUE3/WImo2qNPoz/y35iPIzkjbtgX3i95vgPr7UoYN+BDZ0x:5uSy6pTpoo2RjEzkb6XS95IUoYNQd0x
TLSH
T119233C0037E8C22BF2BE5F789CF26145467AF5672A03D6491CC412DB5613FC68A526FE
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

51278

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

b3f1f4decd74b796122f8c77ab6a2c57f98bae070b04ada2a3d44fdc54382b51

mscoree

dotnet