asyncrat | cf8b42401ef6d67e7b79f2c37c41ac1b5d2cc387c80cbeba25ac91dbf9b15610

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General

Target
cf8b42401ef6d67e7b79f2c37c41ac1b5d2cc387c80cbeba25ac91dbf9b15610
Size 45KB
Sample260710-sejcvsbw2m
SHA256 cf8b42401ef6d67e7b79f2c37c41ac1b5d2cc387c80cbeba25ac91dbf9b15610
MD5 8963b6754e3267698dd37cf6e2e773d6
SHA1 394c61371faad19be35755e459665fccff20cea7
SHA512 9113f650fbeeff9efbc05a62f7e366e57dbe5d680a196a63335442d8c5aeec27d314122b3e63372d986420f607dbe786ae8ffb7ac710d8c88576cd2ce32bdad1
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q140b3NLAteiZPImzjbcgl3iTRghzu+hY+xHGSOjooR:wuZ8pT1tc2y3ZhiWm3bzlSTahzY+RrcB
TLSH
T18C231A003BE9812BF2BE4F78A9F26145467AF2672603D6491CC451DB5723FC68A43AFD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

fimsec.com:80
fimsec.com:22
fimsec.com:8080
fimsec.com:8880
fimsec.com:2052
fimsec.com:2082
fimsec.com:2086
fimsec.com:2095
fimsec.com:443
fimsec.com:2053
fimsec.com:2083
fimsec.com:2087
fimsec.com:2096
fimsec.com:8443
www.fimsec.com:80
www.fimsec.com:22
www.fimsec.com:8080
www.fimsec.com:8880
www.fimsec.com:2052
www.fimsec.com:2082
www.fimsec.com:2086
www.fimsec.com:2095
www.fimsec.com:443
www.fimsec.com:2053
www.fimsec.com:2083
www.fimsec.com:2087
www.fimsec.com:2096
www.fimsec.com:8443
gozi.fimsec.com:80
gozi.fimsec.com:22
gozi.fimsec.com:8080
gozi.fimsec.com:8880
gozi.fimsec.com:2052
gozi.fimsec.com:2082
gozi.fimsec.com:2086
gozi.fimsec.com:2095
gozi.fimsec.com:443
gozi.fimsec.com:2053
gozi.fimsec.com:2083
gozi.fimsec.com:2087
gozi.fimsec.com:2096
gozi.fimsec.com:8443
melissa.fimsec.com:80
melissa.fimsec.com:22
melissa.fimsec.com:8080
melissa.fimsec.com:8880
melissa.fimsec.com:2052
melissa.fimsec.com:2082
melissa.fimsec.com:2086
melissa.fimsec.com:2095
melissa.fimsec.com:443
melissa.fimsec.com:2053
melissa.fimsec.com:2083
melissa.fimsec.com:2087
melissa.fimsec.com:2096
melissa.fimsec.com:8443
dridex.fimsec.com:80
dridex.fimsec.com:22
dridex.fimsec.com:8080
dridex.fimsec.com:8880
dridex.fimsec.com:2052
dridex.fimsec.com:2082
dridex.fimsec.com:2086
dridex.fimsec.com:2095
dridex.fimsec.com:443
dridex.fimsec.com:2053
dridex.fimsec.com:2083
dridex.fimsec.com:2087
dridex.fimsec.com:2096
dridex.fimsec.com:8443

Mutex

fpsfDixCihZg

Attributes

delay
0
install
true
install_file
dwxk.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
cf8b42401ef6d67e7b79f2c37c41ac1b5d2cc387c80cbeba25ac91dbf9b15610

File Explorer

cf8b42401ef6d67e7b79f2c37c41ac1b5d2cc387c80cbeba25ac91dbf9b15610

.exe 45KB

cf8b42401ef6d67e7b79f2c37c41ac1b5d2cc387c80cbeba25ac91dbf9b15610

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 cf8b42401ef6d67e7b79f2c37c41ac1b5d2cc387c80cbeba25ac91dbf9b15610
MD5 8963b6754e3267698dd37cf6e2e773d6
SHA1 394c61371faad19be35755e459665fccff20cea7
SHA512 9113f650fbeeff9efbc05a62f7e366e57dbe5d680a196a63335442d8c5aeec27d314122b3e63372d986420f607dbe786ae8ffb7ac710d8c88576cd2ce32bdad1
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q140b3NLAteiZPImzjbcgl3iTRghzu+hY+xHGSOjooR:wuZ8pT1tc2y3ZhiWm3bzlSTahzY+RrcB
TLSH
T18C231A003BE9812BF2BE4F78A9F26145467AF2672603D6491CC451DB5723FC68A43AFD
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

51262

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

cf8b42401ef6d67e7b79f2c37c41ac1b5d2cc387c80cbeba25ac91dbf9b15610

mscoree

dotnet