asyncrat | 08677f9228e22c78ac5021183f95fe7cf6e9a771d7010c29f5ca5aa4bc3635da

General

Target

ENVIO COPIA DE LA NOTIFICACION ELECTRONICA DEMANDA/01 notifico demanda.exe
Size

12.0MB
MD5

a7118dffeac3772076f1a39a364d608d
SHA1

6b984d9446f23579e154ec47437b9cf820fd6b67
SHA256

f1973746ac0a703b23526f68c639436f0b26b0bc71c4f5adf36dc5f6e8a7f4d0
SHA512

f547c13b78acda9ca0523f0f8cd966c906f70a23a266ac86156dc7e17e6349e5f506366787e7a7823e2b07b0d614c9bd08e34ca5cc4f48799b0fe36ac836e890
SSDEEP

98304:ReAtQzKADvk/9TEaImN9/tiHBIn8c3hCEFRUTaZnPZOtXwH:ReAOWOM/FE1mNHiFc3hr7UTaZnhOtXwH

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

| CRACKED BY https://t.me/xworm_v2

Botnet

Default

C2

envnuev1124.duckdns.org:3013

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
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 SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3100 set thread context of 4948	3100	01 notifico demanda.exe	84
PID 4948 set thread context of 3552	4948	cmd.exe	106

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 4 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4164	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3100	01 notifico demanda.exe
3100	01 notifico demanda.exe
4948	cmd.exe
4948	cmd.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
3100	01 notifico demanda.exe
4948	cmd.exe
4948	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3552	MSBuild.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3100 wrote to memory of 4948	3100	01 notifico demanda.exe	84
PID 3100 wrote to memory of 4948	3100	01 notifico demanda.exe	84
PID 3100 wrote to memory of 4948	3100	01 notifico demanda.exe	84
PID 3100 wrote to memory of 4948	3100	01 notifico demanda.exe	84
PID 4948 wrote to memory of 3552	4948	cmd.exe	106
PID 4948 wrote to memory of 3552	4948	cmd.exe	106
PID 4948 wrote to memory of 3552	4948	cmd.exe	106
PID 4948 wrote to memory of 3552	4948	cmd.exe	106
PID 4948 wrote to memory of 3552	4948	cmd.exe	106
PID 3552 wrote to memory of 4232	3552	MSBuild.exe	112
PID 3552 wrote to memory of 4232	3552	MSBuild.exe	112
PID 3552 wrote to memory of 4232	3552	MSBuild.exe	112
PID 4232 wrote to memory of 4164	4232	cmd.exe	114
PID 4232 wrote to memory of 4164	4232	cmd.exe	114
PID 4232 wrote to memory of 4164	4232	cmd.exe	114

C:\Users\Admin\AppData\Local\Temp\ENVIO COPIA DE LA NOTIFICACION ELECTRONICA DEMANDA\01 notifico demanda.exe
"C:\Users\Admin\AppData\Local\Temp\ENVIO COPIA DE LA NOTIFICACION ELECTRONICA DEMANDA\01 notifico demanda.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3100
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\SysWOW64\cmd.exe
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4948
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3552
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA3EC.tmp.bat""
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4232
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout 3
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:4164

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\fe1b25d4

Filesize
777KB

MD5
e20b30f1b7e3c30a2bb749a37deaf016

SHA1
10f081278966827689dcb1a808f4074778b97666

SHA256
29cc7ae53b6b085116d248112cd11cde9ff1f41c043e63521bc7f88d9174427c

SHA512
43d90cd94f279c00e72574ccebc437f82319f2a7d58df24e3286c3f3f118321e05df21f72631ff1b79dab781391c6d3321b4a6f6387bfe5b1bf19660950ee219

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA3EC.tmp.bat

Filesize
171B

MD5
69fd1f0aeb5730c43d8124e4793954e0

SHA1
8bd483d4e8198c9f61d68980e9d22d333f399a62

SHA256
d2d702563117133916509ccb87c32b62399312068425aad89d72ce780da951a0

SHA512
36f40772e746b437bc664a641a5ebf34b7fccfd35343c66c9ce7fc320b8754ac7388e77beb3d2228f447442e9ad69959fae3caefa02c70b5e6c4a57bfc08a658

Download Submit
memory/3100-0-0x00007FFE392E0000-0x00007FFE39452000-memory.dmp

Filesize
1.4MB

Download
memory/3100-4-0x00007FFE392F9000-0x00007FFE392FA000-memory.dmp

Filesize
4KB

Download
memory/3100-5-0x00007FFE392E0000-0x00007FFE39452000-memory.dmp

Filesize
1.4MB

Download
memory/3100-6-0x00007FFE392E0000-0x00007FFE39452000-memory.dmp

Filesize
1.4MB

Download
memory/3100-8-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/3552-28-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/3552-26-0x0000000006190000-0x0000000006734000-memory.dmp

Filesize
5.6MB

Download
memory/3552-37-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/3552-32-0x0000000006D40000-0x0000000006D5E000-memory.dmp

Filesize
120KB

Download
memory/3552-16-0x0000000073F40000-0x0000000075194000-memory.dmp

Filesize
18.3MB

Download
memory/3552-20-0x0000000000770000-0x0000000000786000-memory.dmp

Filesize
88KB

Download
memory/3552-21-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/3552-22-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/3552-25-0x0000000005B40000-0x0000000005BDC000-memory.dmp

Filesize
624KB

Download
memory/3552-31-0x0000000006C20000-0x0000000006C44000-memory.dmp

Filesize
144KB

Download
memory/3552-27-0x0000000005C50000-0x0000000005CB6000-memory.dmp

Filesize
408KB

Download
memory/3552-30-0x0000000006CA0000-0x0000000006D16000-memory.dmp

Filesize
472KB

Download
memory/3552-29-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/4948-13-0x00000000759CE000-0x00000000759D0000-memory.dmp

Filesize
8KB

Download
memory/4948-12-0x00000000759C0000-0x0000000075B3B000-memory.dmp

Filesize
1.5MB

Download
memory/4948-17-0x00000000759C0000-0x0000000075B3B000-memory.dmp

Filesize
1.5MB

Download
memory/4948-10-0x00007FFE57530000-0x00007FFE57725000-memory.dmp

Filesize
2.0MB

Download
memory/4948-14-0x00000000759C0000-0x0000000075B3B000-memory.dmp

Filesize
1.5MB

Download

Analysis

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