asyncrat | 2ac2e1571a16168fb4ca930eb4b1a27fdbbff15f87384c13565f44fc22c4a8c7

Analysis

max time kernel
135s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-12-2024 00:10

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General

Target

latencyx.exe
Size

45KB
MD5

f4c46528fb0b51636d9c5860e0e4048e
SHA1

76c0d55950b8e8995f0cc75d35f620f39d13ae1b
SHA256

2ac2e1571a16168fb4ca930eb4b1a27fdbbff15f87384c13565f44fc22c4a8c7
SHA512

aa6f1833ff1367bf938c2d52227707fb64c6ceaa5acbffd879150b094fc5a6b163e777ddbb7cc6cb33c3c15ec61ae7dbfc8c6462cf574bff43c88bf207fc80b9
SSDEEP

768:GuEs9THvkHCWU0neImo2q88maPol53APIkzjb+gX3i90yHCFB/JkAX1kBDZSx:GuEs9THc72cfob3lk3bBXS908CFnkAXh

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

t1euvzy.localto.net:2171

t1euvzy.localto.net:55065

Mutex

ZpDC6oZwIVKp

Attributes

delay
3
install
false
install_file
dwmm.exe
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Asyncrat family
asyncrat

System Location Discovery: System Language Discovery 1 TTPs 3 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	latencyx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2568	timeout.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4972	latencyx.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4972 wrote to memory of 4548	4972	latencyx.exe	103
PID 4972 wrote to memory of 4548	4972	latencyx.exe	103
PID 4972 wrote to memory of 4548	4972	latencyx.exe	103
PID 4548 wrote to memory of 2568	4548	cmd.exe	105
PID 4548 wrote to memory of 2568	4548	cmd.exe	105
PID 4548 wrote to memory of 2568	4548	cmd.exe	105

C:\Users\Admin\AppData\Local\Temp\latencyx.exe
"C:\Users\Admin\AppData\Local\Temp\latencyx.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4972
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA60A.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4548
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA60A.tmp.bat

Filesize
160B

MD5
33446c8c34b325ab6aded71f58d970cf

SHA1
4a4e1b9e49243cedb76cc36ae9966ec0e2654fb1

SHA256
6e40874a556efa5a9ec50f541a9809ea1df056048a92b931455c5ed6b7c3320f

SHA512
c1a29349577e5831175336d02a29d3a181faf92fe8bcb2a116dbf4f3717ee534588f4bdd4411b8a89909707228c26699b388a24130ddc65601b6a5216ce8ff44

Download Submit
memory/4972-8-0x0000000005FF0000-0x0000000006594000-memory.dmp

Filesize
5.6MB

Download
memory/4972-2-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/4972-3-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

Filesize
4KB

Download
memory/4972-4-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/4972-7-0x0000000005830000-0x00000000058CC000-memory.dmp

Filesize
624KB

Download
memory/4972-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

Filesize
4KB

Download
memory/4972-9-0x0000000005AB0000-0x0000000005B16000-memory.dmp

Filesize
408KB

Download
memory/4972-10-0x00000000011F0000-0x0000000001266000-memory.dmp

Filesize
472KB

Download
memory/4972-11-0x0000000001170000-0x00000000011D4000-memory.dmp

Filesize
400KB

Download
memory/4972-12-0x0000000006810000-0x000000000682E000-memory.dmp

Filesize
120KB

Download
memory/4972-1-0x0000000000850000-0x0000000000862000-memory.dmp

Filesize
72KB

Download
memory/4972-17-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download