asyncrat | 79f2920559cb7f055a8a65b0800eb18ba00a510d31e06644f6481a7b500bd613

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General

Target
79f2920559cb7f055a8a65b0800eb18ba00a510d31e06644f6481a7b500bd613
Size 45KB
Sample260710-wbr3dady4j
SHA256 79f2920559cb7f055a8a65b0800eb18ba00a510d31e06644f6481a7b500bd613
MD5 53700f13639ba9c33389d17ef51025d5
SHA1 51ff81f260de88084f948129b4801d733e87833c
SHA512 cfd4f313d5e2e31db61c53a6e08fe9cbcef4eadb5549fdd327a8b1a30212bb336bab0c944f41d0eb1160df13d6c00ac614ae4a631aa3fe309375624ca837c871
SSDEEP 768:cu6RaepTPYzbs8WU+Xaamo2q17b3/GYjHuPInzjbEgXbi8cUBO1x5JtzBDZUx:cu6YepTPso22L/3n3bLX2l1pdUx
TLSH
T1FE231A0037E8822BF2BE4FB499F26145467AF6637603D6491CC441DB5B23FC69A426FE
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
cryptolocker.fimsec.com:80
cryptolocker.fimsec.com:22
cryptolocker.fimsec.com:8080
cryptolocker.fimsec.com:8880
cryptolocker.fimsec.com:2052
cryptolocker.fimsec.com:2082
cryptolocker.fimsec.com:2086
cryptolocker.fimsec.com:2095
cryptolocker.fimsec.com:443
cryptolocker.fimsec.com:2053
cryptolocker.fimsec.com:2083
cryptolocker.fimsec.com:2087
cryptolocker.fimsec.com:2096
cryptolocker.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
sasser.fimsec.com:80
sasser.fimsec.com:22
sasser.fimsec.com:8080
sasser.fimsec.com:8880
sasser.fimsec.com:2052
sasser.fimsec.com:2082
sasser.fimsec.com:2086
sasser.fimsec.com:2095
sasser.fimsec.com:443
sasser.fimsec.com:2053
sasser.fimsec.com:2083
sasser.fimsec.com:2087
sasser.fimsec.com:2096
sasser.fimsec.com:8443

Mutex

2ROyEiYF4bit

Attributes

delay
0
install
true
install_file
nhe7tqxo.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
79f2920559cb7f055a8a65b0800eb18ba00a510d31e06644f6481a7b500bd613

File Explorer

79f2920559cb7f055a8a65b0800eb18ba00a510d31e06644f6481a7b500bd613

.exe 45KB

79f2920559cb7f055a8a65b0800eb18ba00a510d31e06644f6481a7b500bd613

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 79f2920559cb7f055a8a65b0800eb18ba00a510d31e06644f6481a7b500bd613
MD5 53700f13639ba9c33389d17ef51025d5
SHA1 51ff81f260de88084f948129b4801d733e87833c
SHA512 cfd4f313d5e2e31db61c53a6e08fe9cbcef4eadb5549fdd327a8b1a30212bb336bab0c944f41d0eb1160df13d6c00ac614ae4a631aa3fe309375624ca837c871
SSDEEP 768:cu6RaepTPYzbs8WU+Xaamo2q17b3/GYjHuPInzjbEgXbi8cUBO1x5JtzBDZUx:cu6YepTPso22L/3n3bLX2l1pdUx
TLSH
T1FE231A0037E8822BF2BE4FB499F26145467AF6637603D6491CC441DB5B23FC69A426FE
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

79f2920559cb7f055a8a65b0800eb18ba00a510d31e06644f6481a7b500bd613

mscoree

dotnet