asyncrat | 23fecdf4b6bc0a1e751f3e0f27e3a83c6bfb7d11c33d3a0ad74e7e8078d8cf37

Sharing

Copy URL Twitter E-mail

General

Target
23fecdf4b6bc0a1e751f3e0f27e3a83c6bfb7d11c33d3a0ad74e7e8078d8cf37
Size 45KB
Sample260718-vbayesbs71
SHA256 23fecdf4b6bc0a1e751f3e0f27e3a83c6bfb7d11c33d3a0ad74e7e8078d8cf37
MD5 0080741a7755132a4b11d853e3b06a43
SHA1 519b17d3aafa47d7aab0b83339e2c4dbc01eb4d0
SHA512 14e4a59107836e63de251016a4d251587159d5b673882ca8a5e29a136c99345fbf236c51a60968b430faa30f0d3150d6d4cd0556e2e4e02080b26770a6926e45
SSDEEP 768:EulCJTHESwgWUK3aGmo2q9nDEbHBOjTOPI/TzjbMgX3iIBV8xuIkg1yEe92aBDZu:EulCJTHl42IyYf3/T3bDXS2ixukYEmdu
TLSH
T1AB231A0037E8C12BF27E4F7899F26146867AF6633603D6491CC452D75A13FC69A42AEE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

sexsexviet.com:80
sexsexviet.com:22
sexsexviet.com:8080
sexsexviet.com:8880
sexsexviet.com:2052
sexsexviet.com:2082
sexsexviet.com:2086
sexsexviet.com:2095
sexsexviet.com:443
sexsexviet.com:2053
sexsexviet.com:2083
sexsexviet.com:2087
sexsexviet.com:2096
sexsexviet.com:8443
www.sexsexviet.com:80
www.sexsexviet.com:22
www.sexsexviet.com:8080
www.sexsexviet.com:8880
www.sexsexviet.com:2052
www.sexsexviet.com:2082
www.sexsexviet.com:2086
www.sexsexviet.com:2095
www.sexsexviet.com:443
www.sexsexviet.com:2053
www.sexsexviet.com:2083
www.sexsexviet.com:2087
www.sexsexviet.com:2096
www.sexsexviet.com:8443
connect.sexsexviet.com:80
connect.sexsexviet.com:22
connect.sexsexviet.com:8080
connect.sexsexviet.com:8880
connect.sexsexviet.com:2052
connect.sexsexviet.com:2082
connect.sexsexviet.com:2086
connect.sexsexviet.com:2095
connect.sexsexviet.com:443
connect.sexsexviet.com:2053
connect.sexsexviet.com:2083
connect.sexsexviet.com:2087
connect.sexsexviet.com:2096
connect.sexsexviet.com:8443
ryuk.sexsexviet.com:80
ryuk.sexsexviet.com:22
ryuk.sexsexviet.com:8080
ryuk.sexsexviet.com:8880
ryuk.sexsexviet.com:2052
ryuk.sexsexviet.com:2082
ryuk.sexsexviet.com:2086
ryuk.sexsexviet.com:2095
ryuk.sexsexviet.com:443
ryuk.sexsexviet.com:2053
ryuk.sexsexviet.com:2083
ryuk.sexsexviet.com:2087
ryuk.sexsexviet.com:2096
ryuk.sexsexviet.com:8443
nimda.sexsexviet.com:80
nimda.sexsexviet.com:22
nimda.sexsexviet.com:8080
nimda.sexsexviet.com:8880
nimda.sexsexviet.com:2052
nimda.sexsexviet.com:2082
nimda.sexsexviet.com:2086
nimda.sexsexviet.com:2095
nimda.sexsexviet.com:443
nimda.sexsexviet.com:2053
nimda.sexsexviet.com:2083
nimda.sexsexviet.com:2087
nimda.sexsexviet.com:2096
nimda.sexsexviet.com:8443

Mutex

xLTVEnHu44tP

Attributes

delay
0
install
true
install_file
k8u4bx.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
23fecdf4b6bc0a1e751f3e0f27e3a83c6bfb7d11c33d3a0ad74e7e8078d8cf37

File Explorer

23fecdf4b6bc0a1e751f3e0f27e3a83c6bfb7d11c33d3a0ad74e7e8078d8cf37

.exe 45KB

23fecdf4b6bc0a1e751f3e0f27e3a83c6bfb7d11c33d3a0ad74e7e8078d8cf37

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 23fecdf4b6bc0a1e751f3e0f27e3a83c6bfb7d11c33d3a0ad74e7e8078d8cf37
MD5 0080741a7755132a4b11d853e3b06a43
SHA1 519b17d3aafa47d7aab0b83339e2c4dbc01eb4d0
SHA512 14e4a59107836e63de251016a4d251587159d5b673882ca8a5e29a136c99345fbf236c51a60968b430faa30f0d3150d6d4cd0556e2e4e02080b26770a6926e45
SSDEEP 768:EulCJTHESwgWUK3aGmo2q9nDEbHBOjTOPI/TzjbMgX3iIBV8xuIkg1yEe92aBDZu:EulCJTHl42IyYf3/T3bDXS2ixukYEmdu
TLSH
T1AB231A0037E8C12BF27E4F7899F26146867AF6633603D6491CC452D75A13FC69A42AEE
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

51358

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

23fecdf4b6bc0a1e751f3e0f27e3a83c6bfb7d11c33d3a0ad74e7e8078d8cf37

mscoree

dotnet