asyncrat | 31cfbdc27545ef63d6ce43c2e6f222d918baeda28c2c2c819d86ec9ac1c05f58

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General

Target
31cfbdc27545ef63d6ce43c2e6f222d918baeda28c2c2c819d86ec9ac1c05f58
Size 45KB
Sample260804-klpt8a1wfv
SHA256 31cfbdc27545ef63d6ce43c2e6f222d918baeda28c2c2c819d86ec9ac1c05f58
MD5 13e343e15f53bf775414765622349559
SHA1 a8c7a5e1c7d3f8fd1df9ab4b22141d8fadb917ce
SHA512 b63800dd8415cfd5597c3dc2459e4977385c444ca3a90993fba0ec39940267bcfa058d1ec9bf4022219a68fb8517061d95eb283d5cea067d814e97c0de20fa24
SSDEEP 768:cu6RaepTPYzbs8WU+Xaamo2q1e/ycD3APIMzjbAgX3c4kiSRSnEDPuCrwTFBDZUx:cu6YepTPso2vq+3lM3bnXs4ksnXUwvdW
TLSH
T1BB232B003BE8812BF2BE5FB898F26145867AF1677603D64D1CC451DB4A23FC69A426FD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

xcavengon.click:80
xcavengon.click:22
xcavengon.click:8080
xcavengon.click:8880
xcavengon.click:2052
xcavengon.click:2082
xcavengon.click:2086
xcavengon.click:2095
xcavengon.click:443
xcavengon.click:2053
xcavengon.click:2083
xcavengon.click:2087
xcavengon.click:2096
xcavengon.click:8443
www.xcavengon.click:80
www.xcavengon.click:22
www.xcavengon.click:8080
www.xcavengon.click:8880
www.xcavengon.click:2052
www.xcavengon.click:2082
www.xcavengon.click:2086
www.xcavengon.click:2095
www.xcavengon.click:443
www.xcavengon.click:2053
www.xcavengon.click:2083
www.xcavengon.click:2087
www.xcavengon.click:2096
www.xcavengon.click:8443
emotet.xcavengon.click:80
emotet.xcavengon.click:22
emotet.xcavengon.click:8080
emotet.xcavengon.click:8880
emotet.xcavengon.click:2052
emotet.xcavengon.click:2082
emotet.xcavengon.click:2086
emotet.xcavengon.click:2095
emotet.xcavengon.click:443
emotet.xcavengon.click:2053
emotet.xcavengon.click:2083
emotet.xcavengon.click:2087
emotet.xcavengon.click:2096
emotet.xcavengon.click:8443
nanocore.xcavengon.click:80
nanocore.xcavengon.click:22
nanocore.xcavengon.click:8080
nanocore.xcavengon.click:8880
nanocore.xcavengon.click:2052
nanocore.xcavengon.click:2082
nanocore.xcavengon.click:2086
nanocore.xcavengon.click:2095
nanocore.xcavengon.click:443
nanocore.xcavengon.click:2053
nanocore.xcavengon.click:2083
nanocore.xcavengon.click:2087
nanocore.xcavengon.click:2096
nanocore.xcavengon.click:8443
clop.xcavengon.click:80
clop.xcavengon.click:22
clop.xcavengon.click:8080
clop.xcavengon.click:8880
clop.xcavengon.click:2052
clop.xcavengon.click:2082
clop.xcavengon.click:2086
clop.xcavengon.click:2095
clop.xcavengon.click:443
clop.xcavengon.click:2053
clop.xcavengon.click:2083
clop.xcavengon.click:2087
clop.xcavengon.click:2096
clop.xcavengon.click:8443

Mutex

nizwtaBXE2oQ

Attributes

delay
0
install
true
install_file
xym0b79t.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
31cfbdc27545ef63d6ce43c2e6f222d918baeda28c2c2c819d86ec9ac1c05f58

File Explorer

31cfbdc27545ef63d6ce43c2e6f222d918baeda28c2c2c819d86ec9ac1c05f58

.exe 45KB

31cfbdc27545ef63d6ce43c2e6f222d918baeda28c2c2c819d86ec9ac1c05f58

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 31cfbdc27545ef63d6ce43c2e6f222d918baeda28c2c2c819d86ec9ac1c05f58
MD5 13e343e15f53bf775414765622349559
SHA1 a8c7a5e1c7d3f8fd1df9ab4b22141d8fadb917ce
SHA512 b63800dd8415cfd5597c3dc2459e4977385c444ca3a90993fba0ec39940267bcfa058d1ec9bf4022219a68fb8517061d95eb283d5cea067d814e97c0de20fa24
SSDEEP 768:cu6RaepTPYzbs8WU+Xaamo2q1e/ycD3APIMzjbAgX3c4kiSRSnEDPuCrwTFBDZUx:cu6YepTPso2vq+3lM3bnXs4ksnXUwvdW
TLSH
T1BB232B003BE8812BF2BE5FB898F26145867AF1677603D64D1CC451DB4A23FC69A426FD
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

51374

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

31cfbdc27545ef63d6ce43c2e6f222d918baeda28c2c2c819d86ec9ac1c05f58

mscoree

dotnet