asyncrat | afe70b3c28c52a2f90f0bfca93e335008cf06eb1c14d1b161ebf25754c6c81ac

Analysis

max time kernel
140s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2024, 17:19

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General

Target

xrp.exe
Size

136KB
MD5

0d08e05884330a38020985c58e14e3af
SHA1

40703991414f435a13d1da2879edeba05e2a6f4a
SHA256

afe70b3c28c52a2f90f0bfca93e335008cf06eb1c14d1b161ebf25754c6c81ac
SHA512

b7ac3707a6e7a6152c0694f1b5e44ac45522ebf94720664e91b4a66f4bcafa918d88f2ba3d233acfdd2466652dc6a3d85f980621a254165760705ea4b7d42c14
SSDEEP

1536:tGAUgKrkSIWXgB7DIHYSf6GpcEApEXJjh0Nq9tAIGpdnJWZjN52QR0+GoxhoMyn6:tGAUBgSdG7e305mxrSk

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

v1.2.0

Botnet

Default

192.252.186.220:56003

192.252.186.220:3534

192.252.186.220:43985

Mutex

igsnloedblkziu

Attributes

delay
1
install
false
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

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x0007000000023cb0-3.dat	family_asyncrat

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
3528	BtRp61k7.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3528	BtRp61k7.exe
3528	BtRp61k7.exe
3528	BtRp61k7.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3528	BtRp61k7.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3528	BtRp61k7.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 3104	2320	xrp.exe	83
PID 2320 wrote to memory of 3104	2320	xrp.exe	83
PID 3104 wrote to memory of 3528	3104	cmd.exe	84
PID 3104 wrote to memory of 3528	3104	cmd.exe	84

C:\Users\Admin\AppData\Local\Temp\xrp.exe
"C:\Users\Admin\AppData\Local\Temp\xrp.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c "C:\Users\Admin\AppData\Local\Temp\BtRp61k7.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3104
- - C:\Users\Admin\AppData\Local\Temp\BtRp61k7.exe
    C:\Users\Admin\AppData\Local\Temp\BtRp61k7.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:3528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\BtRp61k7.exe

Filesize
52KB

MD5
b3f5422006291ef27db335983a29acf4

SHA1
86e2cf8a9db62435f68caca32030265a22f3152a

SHA256
6f7eb9f2c040ca90b0b5c4410d6ef19a447c858147031628cfaca56ac18bed75

SHA512
2dc00a116c555c44206e08f02c914ee03fed1b0ad5c984368891134cba07a07aa377161e9380b7ab8857829b4110456c6961573596bb6c453c5b1402a9ad1359

Download Submit
memory/2320-15-0x00007FF7C06B0000-0x00007FF7C06D5000-memory.dmp

Filesize
148KB

Download
memory/3528-5-0x00007FF9E83A3000-0x00007FF9E83A5000-memory.dmp

Filesize
8KB

Download
memory/3528-6-0x000001D728A40000-0x000001D728A52000-memory.dmp

Filesize
72KB

Download
memory/3528-8-0x00007FF9E83A0000-0x00007FF9E8E61000-memory.dmp

Filesize
10.8MB

Download
memory/3528-11-0x00007FF9E83A0000-0x00007FF9E8E61000-memory.dmp

Filesize
10.8MB

Download
memory/3528-12-0x00007FF9E83A0000-0x00007FF9E8E61000-memory.dmp

Filesize
10.8MB

Download
memory/3528-14-0x00007FF9E83A3000-0x00007FF9E83A5000-memory.dmp

Filesize
8KB

Download
memory/3528-16-0x00007FF9E83A0000-0x00007FF9E8E61000-memory.dmp

Filesize
10.8MB

Download
memory/3528-17-0x00007FF9E83A0000-0x00007FF9E8E61000-memory.dmp

Filesize
10.8MB

Download
memory/3528-18-0x00007FF9E83A0000-0x00007FF9E8E61000-memory.dmp

Filesize
10.8MB

Download