asyncrat | 7b8f49ee16e33842749de6145dbec03a13ced02717ad905eee2d88e59718f455

Analysis

max time kernel
60s
max time network
52s
platform
windows11-21h2_x64
resource
win11-20250410-en
resource tags

arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
submitted
20/04/2025, 19:00

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General

Target

7b8f49ee16e33842749de6145dbec03a13ced02717ad905eee2d88e59718f455.exe
Size

1.3MB
MD5

b2176882f0392c4bf65d78beca48cb93
SHA1

30b824d0c169dd45272abb85e03573d19acbb416
SHA256

7b8f49ee16e33842749de6145dbec03a13ced02717ad905eee2d88e59718f455
SHA512

54b3bacc09848691c9b9f011d33e8e769673b49454bec3c546f86e353524831af72920f6b0ac66356e2b551957a6e304d480e7c256c9e1e2f22f9dba5ed4b013
SSDEEP

24576:2YVxlmFfqq4BNH8Ar3MVFGEkBvSbaliqOpr:txIWpRMV8PNxUr

Score

10^/10

asyncrat default defense_evasion discovery rat upx

Malware Config

Extracted

Family

asyncrat

Botnet

Default

127.0.0.1:6666

127.0.0.1:30496

147.185.221.26:6666

147.185.221.26:30496

Attributes

delay
2
install
true
install_file
Discord.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

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x001a00000002b05c-14.dat	family_asyncrat

Executes dropped EXE 3 IoCs

pid	Process
684	GH Injector - x64.exe
4568	Discord.exe
4988	Discord.exe

Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
defense_evasion

Command Obfuscation
T1027.010

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/684-73-0x00007FF6127E0000-0x00007FF6129E8000-memory.dmp	autoit_exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x001a00000002b059-4.dat	upx
behavioral2/memory/684-20-0x00007FF6127E0000-0x00007FF6129E8000-memory.dmp	upx
behavioral2/memory/684-73-0x00007FF6127E0000-0x00007FF6129E8000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	7b8f49ee16e33842749de6145dbec03a13ced02717ad905eee2d88e59718f455.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4232	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3596	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3148	powershell.exe
3148	powershell.exe
4568	Discord.exe
4568	Discord.exe
4568	Discord.exe
4568	Discord.exe
4568	Discord.exe
4568	Discord.exe
4568	Discord.exe
4568	Discord.exe
4568	Discord.exe
4568	Discord.exe
4568	Discord.exe
4568	Discord.exe
4568	Discord.exe
4568	Discord.exe
4568	Discord.exe
4568	Discord.exe
4568	Discord.exe
4568	Discord.exe
4568	Discord.exe
4568	Discord.exe
4568	Discord.exe
4568	Discord.exe
4568	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe
4988	Discord.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	3148	powershell.exe
Token: SeDebugPrivilege	4568	Discord.exe
Token: SeDebugPrivilege	4568	Discord.exe
Token: SeDebugPrivilege	4988	Discord.exe
Token: SeDebugPrivilege	4988	Discord.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3296 wrote to memory of 3148	3296	7b8f49ee16e33842749de6145dbec03a13ced02717ad905eee2d88e59718f455.exe	78
PID 3296 wrote to memory of 3148	3296	7b8f49ee16e33842749de6145dbec03a13ced02717ad905eee2d88e59718f455.exe	78
PID 3296 wrote to memory of 3148	3296	7b8f49ee16e33842749de6145dbec03a13ced02717ad905eee2d88e59718f455.exe	78
PID 3296 wrote to memory of 684	3296	7b8f49ee16e33842749de6145dbec03a13ced02717ad905eee2d88e59718f455.exe	80
PID 3296 wrote to memory of 684	3296	7b8f49ee16e33842749de6145dbec03a13ced02717ad905eee2d88e59718f455.exe	80
PID 3296 wrote to memory of 4568	3296	7b8f49ee16e33842749de6145dbec03a13ced02717ad905eee2d88e59718f455.exe	81
PID 3296 wrote to memory of 4568	3296	7b8f49ee16e33842749de6145dbec03a13ced02717ad905eee2d88e59718f455.exe	81
PID 4568 wrote to memory of 3660	4568	Discord.exe	83
PID 4568 wrote to memory of 3660	4568	Discord.exe	83
PID 4568 wrote to memory of 5016	4568	Discord.exe	85
PID 4568 wrote to memory of 5016	4568	Discord.exe	85
PID 3660 wrote to memory of 3596	3660	cmd.exe	87
PID 3660 wrote to memory of 3596	3660	cmd.exe	87
PID 5016 wrote to memory of 4232	5016	cmd.exe	88
PID 5016 wrote to memory of 4232	5016	cmd.exe	88
PID 5016 wrote to memory of 4988	5016	cmd.exe	89
PID 5016 wrote to memory of 4988	5016	cmd.exe	89

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\7b8f49ee16e33842749de6145dbec03a13ced02717ad905eee2d88e59718f455.exe
"C:\Users\Admin\AppData\Local\Temp\7b8f49ee16e33842749de6145dbec03a13ced02717ad905eee2d88e59718f455.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3296
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAHUAawB1ACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAGcAbABhACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAHAAZABmACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGMAYgB0ACMAPgA="
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3148
- C:\Users\Admin\AppData\Local\Temp\GH Injector - x64.exe
  "C:\Users\Admin\AppData\Local\Temp\GH Injector - x64.exe"
  2⤵
  - Executes dropped EXE
  PID:684
- C:\Users\Admin\AppData\Local\Temp\Discord.exe
  "C:\Users\Admin\AppData\Local\Temp\Discord.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4568
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Discord" /tr '"C:\Users\Admin\AppData\Roaming\Discord.exe"' & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3660
  - - C:\Windows\system32\schtasks.exe
      schtasks /create /f /sc onlogon /rl highest /tn "Discord" /tr '"C:\Users\Admin\AppData\Roaming\Discord.exe"'
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:3596
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4CF7.tmp.bat""
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5016
  - - C:\Windows\system32\timeout.exe
      timeout 3
      4⤵
      Delays execution with timeout.exe
      PID:4232
  - - C:\Users\Admin\AppData\Roaming\Discord.exe
      "C:\Users\Admin\AppData\Roaming\Discord.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4988

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Obfuscated Files or Information

T1027

Command Obfuscation

T1027.010

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

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\Microsoft\CLR_v4.0\UsageLogs\Discord.exe.log

Filesize
871B

MD5
1569f2c982851def168a6a1dad27317a

SHA1
cca0d9a1aca7b213c527efec865e1caee36fa127

SHA256
fc9a4ce0e2bd7b632291798d9b436861bd9006b858ee148811201ebfe6458e26

SHA512
78c9101c78f685829db5314a10f45485813b2ede4561facaa5f965d94077772a2e445610631be15230df27aaeacee08ddd4cd02a9398a5e3877e5b6c16bbe2c1

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

Filesize
342KB

MD5
11bca33947e3a77ec9dd7250805192b4

SHA1
c7b4ccbcc1ade9b5a484fca7399cb383bb3d4ea0

SHA256
dc860dd5a4ee1c7a3a3b4e6dbb77be0a3228bb4def6feac7953df212ab5bd519

SHA512
73cdc8ecad08f1687a7afc8feab85a3de0ea9d88e139ad80bc6fe5b488b40c3ad04ff419d04275fcb8c7f5fba05005ab37ef8d638093e66085801fa1022326b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\GH Injector - x64.exe

Filesize
927KB

MD5
fac188061068468b413905c05ffe4a2e

SHA1
bc5159c4a2aabc8b138fd28da099c5c6e4e87c86

SHA256
16ac233c0be5784cf4b3bb0b3c94a9732609c6725d3982736280f04195d5304a

SHA512
3750a9e46d0d43e95e2369996661bc0c82511242c79d2aacd4e09455bba3abb8fa6eaf51880875d75cb920543108a5c8c8ebf6c0ea4fcf05a99eb40a6dd2357b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4t3n3fve.wmi.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4CF7.tmp.bat

Filesize
151B

MD5
b2fea4b9882072ea9d97500d4bbfb933

SHA1
74cf46a2a2d8b77829591953993895241dd21e11

SHA256
0d0456ba836332aed1fe213442a1c4f45e7712161c965fca141352d39fd2ed68

SHA512
246cc8e25698fdb3f1ea9667797765bb47178d607c2050bb6860a1b7f29934f96db9ef8b3a653b04f490134b15d6019ad61292a74c943c2a1469c1e1974f105c

Download Submit
memory/684-20-0x00007FF6127E0000-0x00007FF6129E8000-memory.dmp

Filesize
2.0MB

Download
memory/684-73-0x00007FF6127E0000-0x00007FF6129E8000-memory.dmp

Filesize
2.0MB

Download
memory/3148-41-0x0000000007690000-0x00000000076C4000-memory.dmp

Filesize
208KB

Download
memory/3148-53-0x0000000008060000-0x00000000086DA000-memory.dmp

Filesize
6.5MB

Download
memory/3148-28-0x0000000005F40000-0x0000000005FA6000-memory.dmp

Filesize
408KB

Download
memory/3148-27-0x0000000005840000-0x0000000005862000-memory.dmp

Filesize
136KB

Download
memory/3148-38-0x00000000061D0000-0x0000000006527000-memory.dmp

Filesize
3.3MB

Download
memory/3148-39-0x00000000066D0000-0x00000000066EE000-memory.dmp

Filesize
120KB

Download
memory/3148-40-0x0000000006760000-0x00000000067AC000-memory.dmp

Filesize
304KB

Download
memory/3148-26-0x0000000005910000-0x0000000005F3A000-memory.dmp

Filesize
6.2MB

Download
memory/3148-42-0x00000000710C0000-0x000000007110C000-memory.dmp

Filesize
304KB

Download
memory/3148-51-0x00000000076D0000-0x00000000076EE000-memory.dmp

Filesize
120KB

Download
memory/3148-52-0x00000000078F0000-0x0000000007994000-memory.dmp

Filesize
656KB

Download
memory/3148-29-0x0000000006120000-0x0000000006186000-memory.dmp

Filesize
408KB

Download
memory/3148-54-0x0000000007A20000-0x0000000007A3A000-memory.dmp

Filesize
104KB

Download
memory/3148-55-0x0000000007AB0000-0x0000000007ABA000-memory.dmp

Filesize
40KB

Download
memory/3148-56-0x0000000007CB0000-0x0000000007D46000-memory.dmp

Filesize
600KB

Download
memory/3148-57-0x0000000007C40000-0x0000000007C51000-memory.dmp

Filesize
68KB

Download
memory/3148-58-0x0000000007C70000-0x0000000007C7E000-memory.dmp

Filesize
56KB

Download
memory/3148-59-0x0000000007C80000-0x0000000007C95000-memory.dmp

Filesize
84KB

Download
memory/3148-60-0x0000000007D70000-0x0000000007D8A000-memory.dmp

Filesize
104KB

Download
memory/3148-65-0x0000000007D60000-0x0000000007D68000-memory.dmp

Filesize
32KB

Download
memory/3148-25-0x0000000005250000-0x0000000005286000-memory.dmp

Filesize
216KB

Download
memory/4568-24-0x00007FF94FC63000-0x00007FF94FC65000-memory.dmp

Filesize
8KB

Download
memory/4568-23-0x0000000000610000-0x000000000066C000-memory.dmp

Filesize
368KB

Download