asyncrat | b286f8601963f19accf4714aec18b6c51db33820834215f22674d1d2e5370989

Sharing

Copy URL Twitter E-mail

General

Target
b286f8601963f19accf4714aec18b6c51db33820834215f22674d1d2e5370989
Size 45KB
Sample260710-rr72babs4j
SHA256 b286f8601963f19accf4714aec18b6c51db33820834215f22674d1d2e5370989
MD5 f9427dd74c28465707b5fe105667cccd
SHA1 f08812521def0c35ca8e4e0c1aef40b8331adb49
SHA512 2ae4239e363cb8faf17db6ae848d09ee83e8f8c82c855060f83e8acfda2ebc97647e6c284efebca26dd576552fbd500e3cfa9e2cd0a580a09e7f130b5b0e4ce8
SSDEEP 768:EulCJTHESwgWUK3aGmo2q9TZo3TMtPIQHjb8gX3ioUywOz8uN52BDZsx:EulCJTHl42sU3QDbTXSoU1sYdsx
TLSH
T18E231B003BD8C12BF2BE4B7869F26245867AF2637603D64E1CC451DB5723BC696426FD
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
sobig.fimsec.com:80
sobig.fimsec.com:22
sobig.fimsec.com:8080
sobig.fimsec.com:8880
sobig.fimsec.com:2052
sobig.fimsec.com:2082
sobig.fimsec.com:2086
sobig.fimsec.com:2095
sobig.fimsec.com:443
sobig.fimsec.com:2053
sobig.fimsec.com:2083
sobig.fimsec.com:2087
sobig.fimsec.com:2096
sobig.fimsec.com:8443
gootloader.fimsec.com:80
gootloader.fimsec.com:22
gootloader.fimsec.com:8080
gootloader.fimsec.com:8880
gootloader.fimsec.com:2052
gootloader.fimsec.com:2082
gootloader.fimsec.com:2086
gootloader.fimsec.com:2095
gootloader.fimsec.com:443
gootloader.fimsec.com:2053
gootloader.fimsec.com:2083
gootloader.fimsec.com:2087
gootloader.fimsec.com:2096
gootloader.fimsec.com:8443
codered.fimsec.com:80
codered.fimsec.com:22
codered.fimsec.com:8080
codered.fimsec.com:8880
codered.fimsec.com:2052
codered.fimsec.com:2082
codered.fimsec.com:2086
codered.fimsec.com:2095
codered.fimsec.com:443
codered.fimsec.com:2053
codered.fimsec.com:2083
codered.fimsec.com:2087
codered.fimsec.com:2096
codered.fimsec.com:8443
zeus.fimsec.com:80
zeus.fimsec.com:22
zeus.fimsec.com:8080
zeus.fimsec.com:8880
zeus.fimsec.com:2052
zeus.fimsec.com:2082
zeus.fimsec.com:2086
zeus.fimsec.com:2095
zeus.fimsec.com:443
zeus.fimsec.com:2053
zeus.fimsec.com:2083
zeus.fimsec.com:2087
zeus.fimsec.com:2096
zeus.fimsec.com:8443

Mutex

LBwoovoz1OAE

Attributes

delay
0
install
true
install_file
c711fb.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
b286f8601963f19accf4714aec18b6c51db33820834215f22674d1d2e5370989

File Explorer

b286f8601963f19accf4714aec18b6c51db33820834215f22674d1d2e5370989

.exe 45KB

b286f8601963f19accf4714aec18b6c51db33820834215f22674d1d2e5370989

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 b286f8601963f19accf4714aec18b6c51db33820834215f22674d1d2e5370989
MD5 f9427dd74c28465707b5fe105667cccd
SHA1 f08812521def0c35ca8e4e0c1aef40b8331adb49
SHA512 2ae4239e363cb8faf17db6ae848d09ee83e8f8c82c855060f83e8acfda2ebc97647e6c284efebca26dd576552fbd500e3cfa9e2cd0a580a09e7f130b5b0e4ce8
SSDEEP 768:EulCJTHESwgWUK3aGmo2q9TZo3TMtPIQHjb8gX3ioUywOz8uN52BDZsx:EulCJTHl42sU3QDbTXSoU1sYdsx
TLSH
T18E231B003BD8C12BF2BE4B7869F26245867AF2637603D64E1CC451DB5723BC696426FD
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

b286f8601963f19accf4714aec18b6c51db33820834215f22674d1d2e5370989

mscoree

dotnet