asyncrat | d1de1db53d364adf0ff850b17ed5269dbf45518608807c554ee29052b4a8fefd

Analysis

max time kernel
95s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
29/01/2025, 22:46

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General

Target

d1de1db53d364adf0ff850b17ed5269dbf45518608807c554ee29052b4a8fefd.exe
Size

1.1MB
MD5

ff4ffc7bd7da1c1e15549ca9933e4657
SHA1

9b49b72b8524edae8c69879a04a58d2b3b514be5
SHA256

d1de1db53d364adf0ff850b17ed5269dbf45518608807c554ee29052b4a8fefd
SHA512

60eb140add6ffa0645052ea71cf8ce1cd5189ff56eaec2f96174247413436c62f6501d8d7b346b363e8805a46d961e1561e591212a137af2687a9af6ae142762
SSDEEP

24576:Z4t2HtTC3EAi4KFb5afmKE9q3/WFl6dIJ6AeJTc9kmlJUR9ton:yAJ/bAfmKUqvCF65Zcln

Score

10^/10

asyncrat zzzdefaultenvio2 discovery rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

zzzDefaultEnvio2

deadpoolstart2036.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 3736 created 3332	3736	d1de1db53d364adf0ff850b17ed5269dbf45518608807c554ee29052b4a8fefd.exe	56

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\TargetSite.vbs	d1de1db53d364adf0ff850b17ed5269dbf45518608807c554ee29052b4a8fefd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3736 set thread context of 3128	3736	d1de1db53d364adf0ff850b17ed5269dbf45518608807c554ee29052b4a8fefd.exe	84

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	d1de1db53d364adf0ff850b17ed5269dbf45518608807c554ee29052b4a8fefd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3736	d1de1db53d364adf0ff850b17ed5269dbf45518608807c554ee29052b4a8fefd.exe
3736	d1de1db53d364adf0ff850b17ed5269dbf45518608807c554ee29052b4a8fefd.exe
3736	d1de1db53d364adf0ff850b17ed5269dbf45518608807c554ee29052b4a8fefd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3736	d1de1db53d364adf0ff850b17ed5269dbf45518608807c554ee29052b4a8fefd.exe
Token: SeDebugPrivilege	3736	d1de1db53d364adf0ff850b17ed5269dbf45518608807c554ee29052b4a8fefd.exe
Token: SeDebugPrivilege	3128	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3736 wrote to memory of 3128	3736	d1de1db53d364adf0ff850b17ed5269dbf45518608807c554ee29052b4a8fefd.exe	84
PID 3736 wrote to memory of 3128	3736	d1de1db53d364adf0ff850b17ed5269dbf45518608807c554ee29052b4a8fefd.exe	84
PID 3736 wrote to memory of 3128	3736	d1de1db53d364adf0ff850b17ed5269dbf45518608807c554ee29052b4a8fefd.exe	84
PID 3736 wrote to memory of 3128	3736	d1de1db53d364adf0ff850b17ed5269dbf45518608807c554ee29052b4a8fefd.exe	84
PID 3736 wrote to memory of 3128	3736	d1de1db53d364adf0ff850b17ed5269dbf45518608807c554ee29052b4a8fefd.exe	84
PID 3736 wrote to memory of 3128	3736	d1de1db53d364adf0ff850b17ed5269dbf45518608807c554ee29052b4a8fefd.exe	84
PID 3736 wrote to memory of 3128	3736	d1de1db53d364adf0ff850b17ed5269dbf45518608807c554ee29052b4a8fefd.exe	84
PID 3736 wrote to memory of 3128	3736	d1de1db53d364adf0ff850b17ed5269dbf45518608807c554ee29052b4a8fefd.exe	84

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3332
- C:\Users\Admin\AppData\Local\Temp\d1de1db53d364adf0ff850b17ed5269dbf45518608807c554ee29052b4a8fefd.exe
  "C:\Users\Admin\AppData\Local\Temp\d1de1db53d364adf0ff850b17ed5269dbf45518608807c554ee29052b4a8fefd.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:3736
- 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:3128

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/3128-1344-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3128-1346-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/3128-1347-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/3128-1348-0x0000000005D90000-0x0000000005E2C000-memory.dmp

Filesize
624KB

Download
memory/3128-1349-0x0000000005EA0000-0x0000000005F06000-memory.dmp

Filesize
408KB

Download
memory/3128-1353-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/3128-1352-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/3128-1351-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/3128-1350-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/3736-30-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-18-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-52-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-66-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-64-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-62-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-60-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-58-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-56-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-54-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-50-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-48-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-46-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-45-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-42-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-40-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-36-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-34-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-32-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-6-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-38-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-28-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-26-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-24-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-22-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-20-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-16-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-14-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-12-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-4-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-11-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-3-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-1325-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/3736-1326-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/3736-1327-0x0000000004CD0000-0x0000000004D2C000-memory.dmp

Filesize
368KB

Download
memory/3736-1328-0x0000000004D50000-0x0000000004DAA000-memory.dmp

Filesize
360KB

Download
memory/3736-1329-0x0000000004DD0000-0x0000000004E1C000-memory.dmp

Filesize
304KB

Download
memory/3736-1330-0x000000007465E000-0x000000007465F000-memory.dmp

Filesize
4KB

Download
memory/3736-1331-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/3736-1332-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/3736-1333-0x0000000005710000-0x0000000005CB4000-memory.dmp

Filesize
5.6MB

Download
memory/3736-8-0x0000000004B70000-0x0000000004C6D000-memory.dmp

Filesize
1012KB

Download
memory/3736-2-0x0000000004B70000-0x0000000004C74000-memory.dmp

Filesize
1.0MB

Download
memory/3736-1-0x00000000001F0000-0x00000000002FC000-memory.dmp

Filesize
1.0MB

Download
memory/3736-0-0x000000007465E000-0x000000007465F000-memory.dmp

Filesize
4KB

Download
memory/3736-1334-0x00000000051A0000-0x00000000051F4000-memory.dmp

Filesize
336KB

Download
memory/3736-1340-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/3736-1342-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/3736-1345-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download