asyncrat | 79b2ab3f9696ef5e2036401fc431e6bb79a60da9a31d4c6ac91fd2c9cffa83e4

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General

Target
79b2ab3f9696ef5e2036401fc431e6bb79a60da9a31d4c6ac91fd2c9cffa83e4
Size 45KB
Sample260905-lsbfvaywf1
SHA256 79b2ab3f9696ef5e2036401fc431e6bb79a60da9a31d4c6ac91fd2c9cffa83e4
MD5 7c24cbe68c3e67b41aa42351c0c2ac00
SHA1 9bf4b9f33b229acaa9f4a8b20eb90b16f2a7dfac
SHA512 bf7d9784774d2279e91abf421d53f8d5783d5ce813d4b0b0c0cc243734ce6fddcdceed89747d296ed36b5eba052bc29641d043e963f870b515a83d8d68eaf34e
SSDEEP 768:cuq04JTLcsP8EWUmOTymo2qA5pt0CCMhdjCvS8PIjajbBgX3iRALO4NGaVEbfhOC:cuqNJTLr62J/CChBj2buXSRaO4GaOmdW
TLSH
T156230A0037E9812BF1BE4F7499F26145867AF6632603D54E1CC452DB5B23FC68A43AED
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

top-sexviet.blog:80
top-sexviet.blog:22
top-sexviet.blog:8080
top-sexviet.blog:8880
top-sexviet.blog:2052
top-sexviet.blog:2082
top-sexviet.blog:2086
top-sexviet.blog:2095
top-sexviet.blog:443
top-sexviet.blog:2053
top-sexviet.blog:2083
top-sexviet.blog:2087
top-sexviet.blog:2096
top-sexviet.blog:8443
www.top-sexviet.blog:80
www.top-sexviet.blog:22
www.top-sexviet.blog:8080
www.top-sexviet.blog:8880
www.top-sexviet.blog:2052
www.top-sexviet.blog:2082
www.top-sexviet.blog:2086
www.top-sexviet.blog:2095
www.top-sexviet.blog:443
www.top-sexviet.blog:2053
www.top-sexviet.blog:2083
www.top-sexviet.blog:2087
www.top-sexviet.blog:2096
www.top-sexviet.blog:8443
nanocore.top-sexviet.blog:80
nanocore.top-sexviet.blog:22
nanocore.top-sexviet.blog:8080
nanocore.top-sexviet.blog:8880
nanocore.top-sexviet.blog:2052
nanocore.top-sexviet.blog:2082
nanocore.top-sexviet.blog:2086
nanocore.top-sexviet.blog:2095
nanocore.top-sexviet.blog:443
nanocore.top-sexviet.blog:2053
nanocore.top-sexviet.blog:2083
nanocore.top-sexviet.blog:2087
nanocore.top-sexviet.blog:2096
nanocore.top-sexviet.blog:8443
klez.top-sexviet.blog:80
klez.top-sexviet.blog:22
klez.top-sexviet.blog:8080
klez.top-sexviet.blog:8880
klez.top-sexviet.blog:2052
klez.top-sexviet.blog:2082
klez.top-sexviet.blog:2086
klez.top-sexviet.blog:2095
klez.top-sexviet.blog:443
klez.top-sexviet.blog:2053
klez.top-sexviet.blog:2083
klez.top-sexviet.blog:2087
klez.top-sexviet.blog:2096
klez.top-sexviet.blog:8443
sasser.top-sexviet.blog:80
sasser.top-sexviet.blog:22
sasser.top-sexviet.blog:8080
sasser.top-sexviet.blog:8880
sasser.top-sexviet.blog:2052
sasser.top-sexviet.blog:2082
sasser.top-sexviet.blog:2086
sasser.top-sexviet.blog:2095
sasser.top-sexviet.blog:443
sasser.top-sexviet.blog:2053
sasser.top-sexviet.blog:2083
sasser.top-sexviet.blog:2087
sasser.top-sexviet.blog:2096
sasser.top-sexviet.blog:8443
dridex.top-sexviet.blog:80
dridex.top-sexviet.blog:22
dridex.top-sexviet.blog:8080
dridex.top-sexviet.blog:8880
dridex.top-sexviet.blog:2052
dridex.top-sexviet.blog:2082
dridex.top-sexviet.blog:2086
dridex.top-sexviet.blog:2095
dridex.top-sexviet.blog:443
dridex.top-sexviet.blog:2053
dridex.top-sexviet.blog:2083
dridex.top-sexviet.blog:2087
dridex.top-sexviet.blog:2096
dridex.top-sexviet.blog:8443

Mutex

30F9XpFUoR9r

Attributes

delay
0
install
true
install_file
wkja.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
79b2ab3f9696ef5e2036401fc431e6bb79a60da9a31d4c6ac91fd2c9cffa83e4

File Explorer

79b2ab3f9696ef5e2036401fc431e6bb79a60da9a31d4c6ac91fd2c9cffa83e4

.exe 45KB

79b2ab3f9696ef5e2036401fc431e6bb79a60da9a31d4c6ac91fd2c9cffa83e4

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 79b2ab3f9696ef5e2036401fc431e6bb79a60da9a31d4c6ac91fd2c9cffa83e4
MD5 7c24cbe68c3e67b41aa42351c0c2ac00
SHA1 9bf4b9f33b229acaa9f4a8b20eb90b16f2a7dfac
SHA512 bf7d9784774d2279e91abf421d53f8d5783d5ce813d4b0b0c0cc243734ce6fddcdceed89747d296ed36b5eba052bc29641d043e963f870b515a83d8d68eaf34e
SSDEEP 768:cuq04JTLcsP8EWUmOTymo2qA5pt0CCMhdjCvS8PIjajbBgX3iRALO4NGaVEbfhOC:cuqNJTLr62J/CChBj2buXSRaO4GaOmdW
TLSH
T156230A0037E9812BF1BE4F7499F26145867AF6632603D54E1CC452DB5B23FC68A43AED
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

51438

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

79b2ab3f9696ef5e2036401fc431e6bb79a60da9a31d4c6ac91fd2c9cffa83e4

mscoree

dotnet