asyncrat | b0677fc92f0fffd04359bba6068013ebeef88ea6a6db189763f7c51b1637f59a[.]exe

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General

Target
b0677fc92f0fffd04359bba6068013ebeef88ea6a6db189763f7c51b1637f59a.exe
Size 45KB
Sample260710-nam32abs2w
SHA256 b0677fc92f0fffd04359bba6068013ebeef88ea6a6db189763f7c51b1637f59a
MD5 650068862a44a68df337fcd8c62d4055
SHA1 185e04d5e4381525fb6be3fd662d86be558dc10e
SHA512 72a9b1f8fb8206ae6e7758afd037f4bc5c7c561eb85648a7920a644d563a41f5062443ee6f9feb146c322e15d2e73fa6f6ed95bc526a566091898161f2cc2e0b
SSDEEP 768:QulLJTEs+EgWUKJTGmo2q98COtTMtPIjzjbtgX3i0Cg1mdLLW0h/BDZTx:QulLJTE9X2jRvj3b6XS0C+i9JdTx
TLSH
T160232B0037E8812BF2BE5F7899F26245857AF6673603D58A1CC441DB4623FC6DA42AFD
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
hack.fimsec.com:80
hack.fimsec.com:22
hack.fimsec.com:8080
hack.fimsec.com:8880
hack.fimsec.com:2052
hack.fimsec.com:2082
hack.fimsec.com:2086
hack.fimsec.com:2095
hack.fimsec.com:443
hack.fimsec.com:2053
hack.fimsec.com:2083
hack.fimsec.com:2087
hack.fimsec.com:2096
hack.fimsec.com:8443
remote.fimsec.com:80
remote.fimsec.com:22
remote.fimsec.com:8080
remote.fimsec.com:8880
remote.fimsec.com:2052
remote.fimsec.com:2082
remote.fimsec.com:2086
remote.fimsec.com:2095
remote.fimsec.com:443
remote.fimsec.com:2053
remote.fimsec.com:2083
remote.fimsec.com:2087
remote.fimsec.com:2096
remote.fimsec.com:8443

Mutex

BF7jW0fCQv6K

Attributes

delay
0
install
true
install_file
4dcoz5.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
b0677fc92f0fffd04359bba6068013ebeef88ea6a6db189763f7c51b1637f59a.exe

File Explorer

b0677fc92f0fffd04359bba6068013ebeef88ea6a6db189763f7c51b1637f59a.exe

.exe 45KB

b0677fc92f0fffd04359bba6068013ebeef88ea6a6db189763f7c51b1637f59a.exe

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 b0677fc92f0fffd04359bba6068013ebeef88ea6a6db189763f7c51b1637f59a
MD5 650068862a44a68df337fcd8c62d4055
SHA1 185e04d5e4381525fb6be3fd662d86be558dc10e
SHA512 72a9b1f8fb8206ae6e7758afd037f4bc5c7c561eb85648a7920a644d563a41f5062443ee6f9feb146c322e15d2e73fa6f6ed95bc526a566091898161f2cc2e0b
SSDEEP 768:QulLJTEs+EgWUKJTGmo2q98COtTMtPIjzjbtgX3i0Cg1mdLLW0h/BDZTx:QulLJTE9X2jRvj3b6XS0C+i9JdTx
TLSH
T160232B0037E8812BF2BE5F7899F26245857AF6673603D58A1CC441DB4623FC6DA42AFD
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

51230

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

b0677fc92f0fffd04359bba6068013ebeef88ea6a6db189763f7c51b1637f59a.exe

mscoree

dotnet