asyncrat | 85761b2226a347edadaa0f06ab31468227206676851982cc3ca8bfaf06b77360

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General

Target
85761b2226a347edadaa0f06ab31468227206676851982cc3ca8bfaf06b77360
Size 45KB
Sample260804-ym4lnaw1ew
SHA256 85761b2226a347edadaa0f06ab31468227206676851982cc3ca8bfaf06b77360
MD5 9fdf589dd635f44af64f19c178439c4e
SHA1 abeb9d54b0baa5ed0432799021c1b73bdfa0a323
SHA512 f53bfd0d0531c6a3478525095b6ec3ec60f60bf0c93410bc4d9f63704dd84c4334e960594b0c42af6573d248668719b8b1b59d531150b243b288ad6ef26b4694
SSDEEP 768:4uLZZTUAoOSWUYZL8mo2qFrfBohEaEPIQ3jbAgX3i0Bfg7rmkWkllu5cBDZbx:4uLZZTUTn2a4EapQTbnXS0B4Ok1dbx
TLSH
T1D3231A003BE8C227F2BE4F7899F26245867AF2633603D6891CC4519B5613FC6D6426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

viet18.org:80
viet18.org:22
viet18.org:8080
viet18.org:8880
viet18.org:2052
viet18.org:2082
viet18.org:2086
viet18.org:2095
viet18.org:443
viet18.org:2053
viet18.org:2083
viet18.org:2087
viet18.org:2096
viet18.org:8443
www.viet18.org:80
www.viet18.org:22
www.viet18.org:8080
www.viet18.org:8880
www.viet18.org:2052
www.viet18.org:2082
www.viet18.org:2086
www.viet18.org:2095
www.viet18.org:443
www.viet18.org:2053
www.viet18.org:2083
www.viet18.org:2087
www.viet18.org:2096
www.viet18.org:8443
zbot.viet18.org:80
zbot.viet18.org:22
zbot.viet18.org:8080
zbot.viet18.org:8880
zbot.viet18.org:2052
zbot.viet18.org:2082
zbot.viet18.org:2086
zbot.viet18.org:2095
zbot.viet18.org:443
zbot.viet18.org:2053
zbot.viet18.org:2083
zbot.viet18.org:2087
zbot.viet18.org:2096
zbot.viet18.org:8443
qbot.viet18.org:80
qbot.viet18.org:22
qbot.viet18.org:8080
qbot.viet18.org:8880
qbot.viet18.org:2052
qbot.viet18.org:2082
qbot.viet18.org:2086
qbot.viet18.org:2095
qbot.viet18.org:443
qbot.viet18.org:2053
qbot.viet18.org:2083
qbot.viet18.org:2087
qbot.viet18.org:2096
qbot.viet18.org:8443

Mutex

Y1im9bDQ2ry9

Attributes

delay
0
install
true
install_file
ylfz9.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
85761b2226a347edadaa0f06ab31468227206676851982cc3ca8bfaf06b77360

File Explorer

85761b2226a347edadaa0f06ab31468227206676851982cc3ca8bfaf06b77360

.exe 45KB

85761b2226a347edadaa0f06ab31468227206676851982cc3ca8bfaf06b77360

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 85761b2226a347edadaa0f06ab31468227206676851982cc3ca8bfaf06b77360
MD5 9fdf589dd635f44af64f19c178439c4e
SHA1 abeb9d54b0baa5ed0432799021c1b73bdfa0a323
SHA512 f53bfd0d0531c6a3478525095b6ec3ec60f60bf0c93410bc4d9f63704dd84c4334e960594b0c42af6573d248668719b8b1b59d531150b243b288ad6ef26b4694
SSDEEP 768:4uLZZTUAoOSWUYZL8mo2qFrfBohEaEPIQ3jbAgX3i0Bfg7rmkWkllu5cBDZbx:4uLZZTUTn2a4EapQTbnXS0B4Ok1dbx
TLSH
T1D3231A003BE8C227F2BE4F7899F26245867AF2633603D6891CC4519B5613FC6D6426FE
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

51230

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

85761b2226a347edadaa0f06ab31468227206676851982cc3ca8bfaf06b77360

mscoree

dotnet