asyncrat | 639a014ae556d3940e2dab686d310c36e80302367bbd06c70d4304d2d9f13ea1

Analysis

max time kernel
135s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
25-07-2024 22:26

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General

Target

639a014ae556d3940e2dab686d310c36e80302367bbd06c70d4304d2d9f13ea1.exe
Size

418KB
MD5

e9f97ff6d802b18ef23f3fda43197d4d
SHA1

f73e795660f1dd38807fd4b3551ea004255bccbe
SHA256

639a014ae556d3940e2dab686d310c36e80302367bbd06c70d4304d2d9f13ea1
SHA512

1340529c69aec37bb92a4511b88a53e5a56102f3c6edcfd839f3350b3a473f9d1128afb8b177770f93fb627096bda81e81ce67c0def7e98faf1d67222fb14d58
SSDEEP

6144:u5SLGG3tvLiX4aK8y0n80RTJyMPdFa5gJE3tl4Hwkt3l:u5SLhpiX4P8yqlR9yMPdEjKQkV

Score

10^/10

asyncrat default discovery rat spyware stealer

Malware Config

Extracted

Family

asyncrat

Version

AWS | RxR

Botnet

Default

cloudali.duckdns.org:6606

cloudali.duckdns.org:7707

cloudali.duckdns.org:8808

cloudali.duckdns.org:777

Mutex

gebna_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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4548 set thread context of 4820	4548	639a014ae556d3940e2dab686d310c36e80302367bbd06c70d4304d2d9f13ea1.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 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	639a014ae556d3940e2dab686d310c36e80302367bbd06c70d4304d2d9f13ea1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	639a014ae556d3940e2dab686d310c36e80302367bbd06c70d4304d2d9f13ea1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4820	639a014ae556d3940e2dab686d310c36e80302367bbd06c70d4304d2d9f13ea1.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4548 wrote to memory of 4820	4548	639a014ae556d3940e2dab686d310c36e80302367bbd06c70d4304d2d9f13ea1.exe	83
PID 4548 wrote to memory of 4820	4548	639a014ae556d3940e2dab686d310c36e80302367bbd06c70d4304d2d9f13ea1.exe	83
PID 4548 wrote to memory of 4820	4548	639a014ae556d3940e2dab686d310c36e80302367bbd06c70d4304d2d9f13ea1.exe	83
PID 4548 wrote to memory of 4820	4548	639a014ae556d3940e2dab686d310c36e80302367bbd06c70d4304d2d9f13ea1.exe	83
PID 4548 wrote to memory of 4820	4548	639a014ae556d3940e2dab686d310c36e80302367bbd06c70d4304d2d9f13ea1.exe	83
PID 4548 wrote to memory of 4820	4548	639a014ae556d3940e2dab686d310c36e80302367bbd06c70d4304d2d9f13ea1.exe	83
PID 4548 wrote to memory of 4820	4548	639a014ae556d3940e2dab686d310c36e80302367bbd06c70d4304d2d9f13ea1.exe	83
PID 4548 wrote to memory of 4820	4548	639a014ae556d3940e2dab686d310c36e80302367bbd06c70d4304d2d9f13ea1.exe	83

C:\Users\Admin\AppData\Local\Temp\639a014ae556d3940e2dab686d310c36e80302367bbd06c70d4304d2d9f13ea1.exe
"C:\Users\Admin\AppData\Local\Temp\639a014ae556d3940e2dab686d310c36e80302367bbd06c70d4304d2d9f13ea1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4548
- C:\Users\Admin\AppData\Local\Temp\639a014ae556d3940e2dab686d310c36e80302367bbd06c70d4304d2d9f13ea1.exe
  "C:\Users\Admin\AppData\Local\Temp\639a014ae556d3940e2dab686d310c36e80302367bbd06c70d4304d2d9f13ea1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4820

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/4548-8-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/4548-1-0x0000000000640000-0x00000000006AE000-memory.dmp

Filesize
440KB

Download
memory/4548-2-0x0000000002AA0000-0x0000000002AAA000-memory.dmp

Filesize
40KB

Download
memory/4548-0-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/4548-5-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/4820-7-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/4820-4-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4820-9-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/4820-12-0x00000000065E0000-0x000000000667C000-memory.dmp

Filesize
624KB

Download
memory/4820-13-0x0000000006C30000-0x00000000071D4000-memory.dmp

Filesize
5.6MB

Download
memory/4820-14-0x00000000066F0000-0x0000000006756000-memory.dmp

Filesize
408KB

Download
memory/4820-15-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/4820-16-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download