asyncrat | c667e677f139123819dea4fa6bb82f320ca9e75790e785491da34913712d42ae

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General

Target
c667e677f139123819dea4fa6bb82f320ca9e75790e785491da34913712d42ae
Size 45KB
Sample260712-d5wcsaew9z
SHA256 c667e677f139123819dea4fa6bb82f320ca9e75790e785491da34913712d42ae
MD5 9e780f39dbf248a53e74d42cbaaa4677
SHA1 703820a85de3cbe830644859bfb03a03abf735a0
SHA512 4974fcc46db56d85805d7d7c94986186e494f597723146cd1714fc8ae6bddcb2b347dbf3b9723673ea5e2f8d12902b507c83b0c6099f1484788506ce0d483865
SSDEEP 768:RuxkJTVmU5EkWUGMKSmo2q1aqJaxjwHuPIPzjbMg73iUZznNdNQsWSkQBDZcx:RuxkJTgip2f3+3P3bD7SSzDjhdcx
TLSH
T1A5231A103BE8C22BF2BE4FB458F26145467AF6637603D64D2CC452DB5623BC68A426FD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

fimsec.com:80
fimsec.com:22
fimsec.com:8080
fimsec.com:8880
fimsec.com:2052
fimsec.com:2082
fimsec.com:2086
fimsec.com:2095
fimsec.com:443
fimsec.com:2053
fimsec.com:2083
fimsec.com:2087
fimsec.com:2096
fimsec.com:8443
www.fimsec.com:80
www.fimsec.com:22
www.fimsec.com:8080
www.fimsec.com:8880
www.fimsec.com:2052
www.fimsec.com:2082
www.fimsec.com:2086
www.fimsec.com:2095
www.fimsec.com:443
www.fimsec.com:2053
www.fimsec.com:2083
www.fimsec.com:2087
www.fimsec.com:2096
www.fimsec.com:8443
invasive.fimsec.com:80
invasive.fimsec.com:22
invasive.fimsec.com:8080
invasive.fimsec.com:8880
invasive.fimsec.com:2052
invasive.fimsec.com:2082
invasive.fimsec.com:2086
invasive.fimsec.com:2095
invasive.fimsec.com:443
invasive.fimsec.com:2053
invasive.fimsec.com:2083
invasive.fimsec.com:2087
invasive.fimsec.com:2096
invasive.fimsec.com:8443
azorult.fimsec.com:80
azorult.fimsec.com:22
azorult.fimsec.com:8080
azorult.fimsec.com:8880
azorult.fimsec.com:2052
azorult.fimsec.com:2082
azorult.fimsec.com:2086
azorult.fimsec.com:2095
azorult.fimsec.com:443
azorult.fimsec.com:2053
azorult.fimsec.com:2083
azorult.fimsec.com:2087
azorult.fimsec.com:2096
azorult.fimsec.com:8443

Mutex

dxBKiYnFm6dw

Attributes

delay
0
install
true
install_file
9tfknydi.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
c667e677f139123819dea4fa6bb82f320ca9e75790e785491da34913712d42ae

File Explorer

c667e677f139123819dea4fa6bb82f320ca9e75790e785491da34913712d42ae

.exe 45KB

c667e677f139123819dea4fa6bb82f320ca9e75790e785491da34913712d42ae

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 c667e677f139123819dea4fa6bb82f320ca9e75790e785491da34913712d42ae
MD5 9e780f39dbf248a53e74d42cbaaa4677
SHA1 703820a85de3cbe830644859bfb03a03abf735a0
SHA512 4974fcc46db56d85805d7d7c94986186e494f597723146cd1714fc8ae6bddcb2b347dbf3b9723673ea5e2f8d12902b507c83b0c6099f1484788506ce0d483865
SSDEEP 768:RuxkJTVmU5EkWUGMKSmo2q1aqJaxjwHuPIPzjbMg73iUZznNdNQsWSkQBDZcx:RuxkJTgip2f3+3P3bD7SSzDjhdcx
TLSH
T1A5231A103BE8C22BF2BE4FB458F26145467AF6637603D64D2CC452DB5623BC68A426FD
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

c667e677f139123819dea4fa6bb82f320ca9e75790e785491da34913712d42ae

mscoree

dotnet