asyncrat | 71b0da5755ef725aba207067df74b1404486af7e3d54f2d8ceb0847dd00058ee

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General

Target
71b0da5755ef725aba207067df74b1404486af7e3d54f2d8ceb0847dd00058ee
Size 45KB
Sample260804-1bs2ws1bnd
SHA256 71b0da5755ef725aba207067df74b1404486af7e3d54f2d8ceb0847dd00058ee
MD5 f3a8ac005bda3e5acb022e5867542d10
SHA1 d53ca23ebcc00d83b9f8cadde8c5fca5ea696014
SHA512 4486db4c21e86445ffc7faf872c987fdc4c0b2b06a0a7dabb2aef8f237aac78cb71d2d3c11a637842e98961953c8032f0a82dbd46bdc4fd2497fb646b17917b6
SSDEEP 768:5uSy6pTpwrSWWUE3/WImo2qNC9YikqHztOPIUzjbEgn3i+21ZA/t1EWBDZ0x:5uSy6pTpoo2valK3U3bLnS5E1E4d0x
TLSH
T147232A003BE9C12BF2BE5F789DF26105867AB2633603D54A1CC4529B5713FC29A526FE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

xemsexmy.org:80
xemsexmy.org:22
xemsexmy.org:8080
xemsexmy.org:8880
xemsexmy.org:2052
xemsexmy.org:2082
xemsexmy.org:2086
xemsexmy.org:2095
xemsexmy.org:443
xemsexmy.org:2053
xemsexmy.org:2083
xemsexmy.org:2087
xemsexmy.org:2096
xemsexmy.org:8443
www.xemsexmy.org:80
www.xemsexmy.org:22
www.xemsexmy.org:8080
www.xemsexmy.org:8880
www.xemsexmy.org:2052
www.xemsexmy.org:2082
www.xemsexmy.org:2086
www.xemsexmy.org:2095
www.xemsexmy.org:443
www.xemsexmy.org:2053
www.xemsexmy.org:2083
www.xemsexmy.org:2087
www.xemsexmy.org:2096
www.xemsexmy.org:8443
dridex.xemsexmy.org:80
dridex.xemsexmy.org:22
dridex.xemsexmy.org:8080
dridex.xemsexmy.org:8880
dridex.xemsexmy.org:2052
dridex.xemsexmy.org:2082
dridex.xemsexmy.org:2086
dridex.xemsexmy.org:2095
dridex.xemsexmy.org:443
dridex.xemsexmy.org:2053
dridex.xemsexmy.org:2083
dridex.xemsexmy.org:2087
dridex.xemsexmy.org:2096
dridex.xemsexmy.org:8443
mydoom.xemsexmy.org:80
mydoom.xemsexmy.org:22
mydoom.xemsexmy.org:8080
mydoom.xemsexmy.org:8880
mydoom.xemsexmy.org:2052
mydoom.xemsexmy.org:2082
mydoom.xemsexmy.org:2086
mydoom.xemsexmy.org:2095
mydoom.xemsexmy.org:443
mydoom.xemsexmy.org:2053
mydoom.xemsexmy.org:2083
mydoom.xemsexmy.org:2087
mydoom.xemsexmy.org:2096
mydoom.xemsexmy.org:8443

Mutex

b4gAwLFxeNMc

Attributes

delay
0
install
true
install_file
rlke77h.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
71b0da5755ef725aba207067df74b1404486af7e3d54f2d8ceb0847dd00058ee

File Explorer

71b0da5755ef725aba207067df74b1404486af7e3d54f2d8ceb0847dd00058ee

.exe 45KB

71b0da5755ef725aba207067df74b1404486af7e3d54f2d8ceb0847dd00058ee

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 71b0da5755ef725aba207067df74b1404486af7e3d54f2d8ceb0847dd00058ee
MD5 f3a8ac005bda3e5acb022e5867542d10
SHA1 d53ca23ebcc00d83b9f8cadde8c5fca5ea696014
SHA512 4486db4c21e86445ffc7faf872c987fdc4c0b2b06a0a7dabb2aef8f237aac78cb71d2d3c11a637842e98961953c8032f0a82dbd46bdc4fd2497fb646b17917b6
SSDEEP 768:5uSy6pTpwrSWWUE3/WImo2qNC9YikqHztOPIUzjbEgn3i+21ZA/t1EWBDZ0x:5uSy6pTpoo2valK3U3bLnS5E1E4d0x
TLSH
T147232A003BE9C12BF2BE5F789DF26105867AB2633603D54A1CC4529B5713FC29A526FE
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

71b0da5755ef725aba207067df74b1404486af7e3d54f2d8ceb0847dd00058ee

mscoree

dotnet