asyncrat | 05fd9a9a3e64771d103a4af295262aabaed466d049d0abdff5850689062c1daa

Analysis

max time kernel
138s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-08-2024 14:49

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General

Target

ficheiro.exe
Size

66KB
MD5

5f2804848c03af062230d595f5e3f64f
SHA1

078a1658a8f4b420b657e712939d8f0ecf63540b
SHA256

05fd9a9a3e64771d103a4af295262aabaed466d049d0abdff5850689062c1daa
SHA512

565209416d326b2fa8fdc094ba2f718bdfcf92c9d85495e2d2f1a6411339dd2f834f87a2f27cbb8a80f66de701aa622749d64a6cb14033ee9b0e637033bf5349
SSDEEP

1536:8mfW6qHdykrVMKuJUYFsbWdry9d8UX6kIbnBkA1vD7XtrQTGex:8me6qHdykGKuJUYFsady9yUXubnH1vnO

Score

10^/10

asyncrat 4iba discovery rat spyware stealer

Malware Config

Extracted

Family

asyncrat

Version

AWS | 3Losh

Botnet

4iba

hema2024.from-ut.com:6666

hema2024.from-ut.com:555

hema2024.from-ut.com:5555

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ficheiro.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4812	ficheiro.exe
4812	ficheiro.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4812	ficheiro.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4812	ficheiro.exe

C:\Users\Admin\AppData\Local\Temp\ficheiro.exe
"C:\Users\Admin\AppData\Local\Temp\ficheiro.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4812

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1040,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=4608 /prefetch:8
1⤵
PID:4064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4812-0-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/4812-1-0x0000000000340000-0x0000000000356000-memory.dmp

Filesize
88KB

Download
memory/4812-2-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4812-3-0x00000000054E0000-0x0000000005A84000-memory.dmp

Filesize
5.6MB

Download
memory/4812-4-0x0000000005110000-0x00000000051A2000-memory.dmp

Filesize
584KB

Download
memory/4812-5-0x0000000005100000-0x000000000510A000-memory.dmp

Filesize
40KB

Download
memory/4812-8-0x0000000006310000-0x00000000063AC000-memory.dmp

Filesize
624KB

Download
memory/4812-9-0x0000000005E00000-0x0000000005E66000-memory.dmp

Filesize
408KB

Download
memory/4812-10-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/4812-11-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download