asyncrat | bf0f4e3a4596c10e0cc22cd758204f4f249e241ee6099a5b13f410cbcde8e3f8

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General

Target
bf0f4e3a4596c10e0cc22cd758204f4f249e241ee6099a5b13f410cbcde8e3f8
Size 45KB
Sample260716-qd4lash14v
SHA256 bf0f4e3a4596c10e0cc22cd758204f4f249e241ee6099a5b13f410cbcde8e3f8
MD5 6b198c3ba70ef0db2c08128bfa18dfff
SHA1 c6bbe0a364b9c9a62e586f64499d1866bd3cecf2
SHA512 a350ae09d61d02e0963950670584123d3dd8ec930db67d983bf5428299914d0af4594002c8296be22e0961f1f4ee7792c33e2f86b7228893fb90ed2119e6e765
SSDEEP 768:8uuSpTg7GBoWUSH6+mo2qYCDEbHB0jrOPI/izjbrgX3iV0k46D9L9JBDZ0x:8uuSpTgyf2qySf3/i3bUXSik4uxNd0x
TLSH
T15F231A003BE8813BF2BE4FB899F26145867AF6637603D54E1CC452975613FC58A42AFE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

vuasexviet.com:80
vuasexviet.com:22
vuasexviet.com:8080
vuasexviet.com:8880
vuasexviet.com:2052
vuasexviet.com:2082
vuasexviet.com:2086
vuasexviet.com:2095
vuasexviet.com:443
vuasexviet.com:2053
vuasexviet.com:2083
vuasexviet.com:2087
vuasexviet.com:2096
vuasexviet.com:8443
www.vuasexviet.com:80
www.vuasexviet.com:22
www.vuasexviet.com:8080
www.vuasexviet.com:8880
www.vuasexviet.com:2052
www.vuasexviet.com:2082
www.vuasexviet.com:2086
www.vuasexviet.com:2095
www.vuasexviet.com:443
www.vuasexviet.com:2053
www.vuasexviet.com:2083
www.vuasexviet.com:2087
www.vuasexviet.com:2096
www.vuasexviet.com:8443
mydoom.vuasexviet.com:80
mydoom.vuasexviet.com:22
mydoom.vuasexviet.com:8080
mydoom.vuasexviet.com:8880
mydoom.vuasexviet.com:2052
mydoom.vuasexviet.com:2082
mydoom.vuasexviet.com:2086
mydoom.vuasexviet.com:2095
mydoom.vuasexviet.com:443
mydoom.vuasexviet.com:2053
mydoom.vuasexviet.com:2083
mydoom.vuasexviet.com:2087
mydoom.vuasexviet.com:2096
mydoom.vuasexviet.com:8443
zbot.vuasexviet.com:80
zbot.vuasexviet.com:22
zbot.vuasexviet.com:8080
zbot.vuasexviet.com:8880
zbot.vuasexviet.com:2052
zbot.vuasexviet.com:2082
zbot.vuasexviet.com:2086
zbot.vuasexviet.com:2095
zbot.vuasexviet.com:443
zbot.vuasexviet.com:2053
zbot.vuasexviet.com:2083
zbot.vuasexviet.com:2087
zbot.vuasexviet.com:2096
zbot.vuasexviet.com:8443
zeus.vuasexviet.com:80
zeus.vuasexviet.com:22
zeus.vuasexviet.com:8080
zeus.vuasexviet.com:8880
zeus.vuasexviet.com:2052
zeus.vuasexviet.com:2082
zeus.vuasexviet.com:2086
zeus.vuasexviet.com:2095
zeus.vuasexviet.com:443
zeus.vuasexviet.com:2053
zeus.vuasexviet.com:2083
zeus.vuasexviet.com:2087
zeus.vuasexviet.com:2096
zeus.vuasexviet.com:8443
nimda.vuasexviet.com:80
nimda.vuasexviet.com:22
nimda.vuasexviet.com:8080
nimda.vuasexviet.com:8880
nimda.vuasexviet.com:2052
nimda.vuasexviet.com:2082
nimda.vuasexviet.com:2086
nimda.vuasexviet.com:2095
nimda.vuasexviet.com:443
nimda.vuasexviet.com:2053
nimda.vuasexviet.com:2083
nimda.vuasexviet.com:2087
nimda.vuasexviet.com:2096
nimda.vuasexviet.com:8443

Mutex

WGR2bykVBNRF

Attributes

delay
0
install
true
install_file
fb5ikx.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
bf0f4e3a4596c10e0cc22cd758204f4f249e241ee6099a5b13f410cbcde8e3f8

File Explorer

bf0f4e3a4596c10e0cc22cd758204f4f249e241ee6099a5b13f410cbcde8e3f8

.exe 45KB

bf0f4e3a4596c10e0cc22cd758204f4f249e241ee6099a5b13f410cbcde8e3f8

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 bf0f4e3a4596c10e0cc22cd758204f4f249e241ee6099a5b13f410cbcde8e3f8
MD5 6b198c3ba70ef0db2c08128bfa18dfff
SHA1 c6bbe0a364b9c9a62e586f64499d1866bd3cecf2
SHA512 a350ae09d61d02e0963950670584123d3dd8ec930db67d983bf5428299914d0af4594002c8296be22e0961f1f4ee7792c33e2f86b7228893fb90ed2119e6e765
SSDEEP 768:8uuSpTg7GBoWUSH6+mo2qYCDEbHB0jrOPI/izjbrgX3iV0k46D9L9JBDZ0x:8uuSpTgyf2qySf3/i3bUXSik4uxNd0x
TLSH
T15F231A003BE8813BF2BE4FB899F26145867AF6637603D54E1CC452975613FC58A42AFE
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

51406

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

bf0f4e3a4596c10e0cc22cd758204f4f249e241ee6099a5b13f410cbcde8e3f8

mscoree

dotnet