asyncrat | afe70b3c28c52a2f90f0bfca93e335008cf06eb1c14d1b161ebf25754c6c81ac

Analysis

max time kernel
1799s
max time network
1800s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02-12-2024 17:21

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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
behavioral1/files/0x0008000000016cfd-3.dat	family_asyncrat

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
2628	hWs440TJ.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 64 IoCs

pid	Process
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
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2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe
2628	hWs440TJ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2628	hWs440TJ.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2628	hWs440TJ.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2628	hWs440TJ.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 632	1504	xrp.exe	31
PID 1504 wrote to memory of 632	1504	xrp.exe	31
PID 1504 wrote to memory of 632	1504	xrp.exe	31
PID 632 wrote to memory of 2628	632	cmd.exe	32
PID 632 wrote to memory of 2628	632	cmd.exe	32
PID 632 wrote to memory of 2628	632	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\xrp.exe
"C:\Users\Admin\AppData\Local\Temp\xrp.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1504
- C:\Windows\system32\cmd.exe
  cmd /c "C:\Users\Admin\AppData\Local\Temp\hWs440TJ.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:632
- - C:\Users\Admin\AppData\Local\Temp\hWs440TJ.exe
    C:\Users\Admin\AppData\Local\Temp\hWs440TJ.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2628

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\CabB5BA.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarC9F8.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\hWs440TJ.exe

Filesize
52KB

MD5
e44a3c6751846ef4b5f9ab3ac17dcda5

SHA1
a1acd1a1a73e6b1a07ef9edd4002f9b2795cfb01

SHA256
5dbaa08e8142595cd13f1ca1a809ab6459b67a74a55dbe5e1d7a98f43c82d632

SHA512
5f843767b15cac2d413d4b85932b80560381e10fd53d27defc92c13ed2e349d3d123fbbbf385ecc744e6aa4fc01f14320f468357680bceaba03296320ee0b4a0

Download Submit
memory/1504-43-0x000000013FE40000-0x000000013FE65000-memory.dmp

Filesize
148KB

Download
memory/2628-5-0x000007FEF4E33000-0x000007FEF4E34000-memory.dmp

Filesize
4KB

Download
memory/2628-6-0x0000000000800000-0x0000000000812000-memory.dmp

Filesize
72KB

Download
memory/2628-8-0x000007FEF4E30000-0x000007FEF581C000-memory.dmp

Filesize
9.9MB

Download
memory/2628-44-0x000007FEF4E33000-0x000007FEF4E34000-memory.dmp

Filesize
4KB

Download
memory/2628-45-0x000007FEF4E30000-0x000007FEF581C000-memory.dmp

Filesize
9.9MB

Download