asyncrat | fd7a64d15e03608dceb95bc0912b39f9b94327b7ba8e6c989aa29205c3819184

Resubmissions

31/01/2025, 00:34

250131-awx88swqaz 3

30/01/2025, 22:53

250130-2t99kavmez 10

Analysis

max time kernel
93s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
30/01/2025, 22:53

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General

Target

fd7a64d15e03608dceb95bc0912b39f9b94327b7ba8e6c989aa29205c3819184.exe
Size

1.0MB
MD5

f7ff29ed9c4f2bf03a3ee92e71cc07a4
SHA1

c6fbd7f4e8f4410b86d2bf5f59fcc0c3b9f1f41a
SHA256

fd7a64d15e03608dceb95bc0912b39f9b94327b7ba8e6c989aa29205c3819184
SHA512

a2bf2e20325916a465111ef6b868eaaf2af469ff7f8d7c39bccd6fc1baf4df1daed7dae43231bbfef0a27e85cb13f86df3be324bfbcc7f296001ac340e211d84
SSDEEP

24576:okJt1G8kI9YvYgfSsjsUT5VvZB5noWoTpiPTtZFZBLT9wUK:930z6uDT5BLVoWoiPTtZFZBl

Score

10^/10

asyncrat zzzzdefaultenviophantom discovery rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

zzzzDefaultEnvioPhantom

deadpoolstart2037.duckdns.org:4010

Mutex

cookiestemp

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

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 4256 created 3380	4256	fd7a64d15e03608dceb95bc0912b39f9b94327b7ba8e6c989aa29205c3819184.exe	55

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\NextSink.vbs	fd7a64d15e03608dceb95bc0912b39f9b94327b7ba8e6c989aa29205c3819184.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4256 set thread context of 2884	4256	fd7a64d15e03608dceb95bc0912b39f9b94327b7ba8e6c989aa29205c3819184.exe	88

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	fd7a64d15e03608dceb95bc0912b39f9b94327b7ba8e6c989aa29205c3819184.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4256	fd7a64d15e03608dceb95bc0912b39f9b94327b7ba8e6c989aa29205c3819184.exe
4256	fd7a64d15e03608dceb95bc0912b39f9b94327b7ba8e6c989aa29205c3819184.exe
4256	fd7a64d15e03608dceb95bc0912b39f9b94327b7ba8e6c989aa29205c3819184.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4256	fd7a64d15e03608dceb95bc0912b39f9b94327b7ba8e6c989aa29205c3819184.exe
Token: SeDebugPrivilege	4256	fd7a64d15e03608dceb95bc0912b39f9b94327b7ba8e6c989aa29205c3819184.exe
Token: SeDebugPrivilege	2884	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4256 wrote to memory of 2884	4256	fd7a64d15e03608dceb95bc0912b39f9b94327b7ba8e6c989aa29205c3819184.exe	88
PID 4256 wrote to memory of 2884	4256	fd7a64d15e03608dceb95bc0912b39f9b94327b7ba8e6c989aa29205c3819184.exe	88
PID 4256 wrote to memory of 2884	4256	fd7a64d15e03608dceb95bc0912b39f9b94327b7ba8e6c989aa29205c3819184.exe	88
PID 4256 wrote to memory of 2884	4256	fd7a64d15e03608dceb95bc0912b39f9b94327b7ba8e6c989aa29205c3819184.exe	88
PID 4256 wrote to memory of 2884	4256	fd7a64d15e03608dceb95bc0912b39f9b94327b7ba8e6c989aa29205c3819184.exe	88
PID 4256 wrote to memory of 2884	4256	fd7a64d15e03608dceb95bc0912b39f9b94327b7ba8e6c989aa29205c3819184.exe	88
PID 4256 wrote to memory of 2884	4256	fd7a64d15e03608dceb95bc0912b39f9b94327b7ba8e6c989aa29205c3819184.exe	88
PID 4256 wrote to memory of 2884	4256	fd7a64d15e03608dceb95bc0912b39f9b94327b7ba8e6c989aa29205c3819184.exe	88

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3380
- C:\Users\Admin\AppData\Local\Temp\fd7a64d15e03608dceb95bc0912b39f9b94327b7ba8e6c989aa29205c3819184.exe
  "C:\Users\Admin\AppData\Local\Temp\fd7a64d15e03608dceb95bc0912b39f9b94327b7ba8e6c989aa29205c3819184.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Drops startup file
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4256
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2884

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

Replay Monitor

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Downloads

memory/2884-1343-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2884-1346-0x0000000074D80000-0x0000000075530000-memory.dmp

Filesize
7.7MB

Download
memory/2884-1347-0x0000000074D80000-0x0000000075530000-memory.dmp

Filesize
7.7MB

Download
memory/2884-1348-0x0000000005A00000-0x0000000005A9C000-memory.dmp

Filesize
624KB

Download
memory/2884-1349-0x0000000005B10000-0x0000000005B76000-memory.dmp

Filesize
408KB

Download
memory/2884-1353-0x0000000074D80000-0x0000000075530000-memory.dmp

Filesize
7.7MB

Download
memory/2884-1352-0x0000000074D80000-0x0000000075530000-memory.dmp

Filesize
7.7MB

Download
memory/2884-1351-0x0000000074D80000-0x0000000075530000-memory.dmp

Filesize
7.7MB

Download
memory/2884-1350-0x0000000074D80000-0x0000000075530000-memory.dmp

Filesize
7.7MB

Download
memory/4256-46-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-14-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-64-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-62-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-60-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-58-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-56-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-54-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-52-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-50-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-44-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-40-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-36-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-34-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-32-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-31-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-29-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-26-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-48-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-18-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-42-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-38-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-24-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-22-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-16-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-66-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-12-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-10-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-8-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-6-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-20-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-3-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-1325-0x0000000074D80000-0x0000000075530000-memory.dmp

Filesize
7.7MB

Download
memory/4256-1326-0x0000000074D80000-0x0000000075530000-memory.dmp

Filesize
7.7MB

Download
memory/4256-1327-0x0000000005880000-0x00000000058DC000-memory.dmp

Filesize
368KB

Download
memory/4256-1328-0x00000000058E0000-0x000000000593A000-memory.dmp

Filesize
360KB

Download
memory/4256-1329-0x0000000005940000-0x000000000598C000-memory.dmp

Filesize
304KB

Download
memory/4256-1330-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

Filesize
4KB

Download
memory/4256-1331-0x0000000074D80000-0x0000000075530000-memory.dmp

Filesize
7.7MB

Download
memory/4256-1332-0x0000000006320000-0x00000000068C4000-memory.dmp

Filesize
5.6MB

Download
memory/4256-1333-0x0000000005BA0000-0x0000000005BF4000-memory.dmp

Filesize
336KB

Download
memory/4256-1339-0x0000000074D80000-0x0000000075530000-memory.dmp

Filesize
7.7MB

Download
memory/4256-5-0x0000000005660000-0x000000000575D000-memory.dmp

Filesize
1012KB

Download
memory/4256-2-0x0000000005660000-0x0000000005762000-memory.dmp

Filesize
1.0MB

Download
memory/4256-1-0x0000000000D20000-0x0000000000E2E000-memory.dmp

Filesize
1.1MB

Download
memory/4256-0-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

Filesize
4KB

Download
memory/4256-1344-0x0000000074D80000-0x0000000075530000-memory.dmp

Filesize
7.7MB

Download
memory/4256-1345-0x0000000074D80000-0x0000000075530000-memory.dmp

Filesize
7.7MB

Download
memory/4256-1342-0x0000000074D80000-0x0000000075530000-memory.dmp

Filesize
7.7MB

Download