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 1540 set thread context of 1856	1540	01 notifico demanda.exe	85
PID 1856 set thread context of 660	1856	cmd.exe	103

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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3100	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1540	01 notifico demanda.exe
1540	01 notifico demanda.exe
1856	cmd.exe
1856	cmd.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
1540	01 notifico demanda.exe
1856	cmd.exe
1856	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	660	MSBuild.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1540 wrote to memory of 1856	1540	01 notifico demanda.exe	85
PID 1540 wrote to memory of 1856	1540	01 notifico demanda.exe	85
PID 1540 wrote to memory of 1856	1540	01 notifico demanda.exe	85
PID 1540 wrote to memory of 1856	1540	01 notifico demanda.exe	85
PID 1856 wrote to memory of 660	1856	cmd.exe	103
PID 1856 wrote to memory of 660	1856	cmd.exe	103
PID 1856 wrote to memory of 660	1856	cmd.exe	103
PID 1856 wrote to memory of 660	1856	cmd.exe	103
PID 1856 wrote to memory of 660	1856	cmd.exe	103
PID 660 wrote to memory of 2176	660	MSBuild.exe	108
PID 660 wrote to memory of 2176	660	MSBuild.exe	108
PID 660 wrote to memory of 2176	660	MSBuild.exe	108
PID 2176 wrote to memory of 3100	2176	cmd.exe	110
PID 2176 wrote to memory of 3100	2176	cmd.exe	110
PID 2176 wrote to memory of 3100	2176	cmd.exe	110

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:1540
- 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:1856
- - 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:660
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp721E.tmp.bat""
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2176
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout 3
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:3100

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\f748a7fd

Filesize
777KB

MD5
92e741578b448429fe417f91c925c862

SHA1
90c50b195bf695d10105fad462d79367d1f5d94f

SHA256
7bcdb480297b139aceea723709b5e57f1f529d2324547085b8700b29a7fa9bdc

SHA512
bddbbe324bef4b85409c85e84a415471e8c60bc66df1ed1c03342d5146dae61bf8155c6f4514ba69e7f6ef318b4251daeb07eaf895cda1d9b600c4f4704d6b9e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp721E.tmp.bat

Filesize
171B

MD5
2acd1d605cf4d39398dd3bf3c7c7e0f1

SHA1
c35ff1ef11fed9ad5875904085cf65fb337c02ef

SHA256
e40bc5f461d6580665265fadf46fffb2b1b4d2f499336fafe8ed2433a8e1563d

SHA512
d00f690cefd54a2a395219da8d2678556d82f23665c86e64a6f5198ef21a6e5b6a9064aa1b671e58aa6a49489ccf6f0a1e564a204d6870ed6631017eb441e4da

Download Submit
memory/660-18-0x0000000073590000-0x00000000747E4000-memory.dmp

Filesize
18.3MB

Download
memory/660-28-0x0000000006300000-0x0000000006366000-memory.dmp

Filesize
408KB

Download
memory/660-37-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download
memory/660-21-0x000000007485E000-0x000000007485F000-memory.dmp

Filesize
4KB

Download
memory/660-32-0x00000000062E0000-0x0000000006304000-memory.dmp

Filesize
144KB

Download
memory/660-31-0x00000000071F0000-0x0000000007266000-memory.dmp

Filesize
472KB

Download
memory/660-30-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download
memory/660-29-0x000000007485E000-0x000000007485F000-memory.dmp

Filesize
4KB

Download
memory/660-27-0x0000000006840000-0x0000000006DE4000-memory.dmp

Filesize
5.6MB

Download
memory/660-22-0x0000000000F60000-0x0000000000F76000-memory.dmp

Filesize
88KB

Download
memory/660-23-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download
memory/660-33-0x0000000007270000-0x000000000728E000-memory.dmp

Filesize
120KB

Download
memory/660-26-0x00000000061F0000-0x000000000628C000-memory.dmp

Filesize
624KB

Download
memory/1540-1-0x00007FFE2E570000-0x00007FFE2E6E2000-memory.dmp

Filesize
1.4MB

Download
memory/1540-6-0x00007FFE2E570000-0x00007FFE2E6E2000-memory.dmp

Filesize
1.4MB

Download
memory/1540-5-0x00007FFE2E589000-0x00007FFE2E58A000-memory.dmp

Filesize
4KB

Download
memory/1540-9-0x00000000004D0000-0x000000000052E000-memory.dmp

Filesize
376KB

Download
memory/1540-7-0x00007FFE2E570000-0x00007FFE2E6E2000-memory.dmp

Filesize
1.4MB

Download
memory/1540-0-0x00000000004D0000-0x000000000052E000-memory.dmp

Filesize
376KB

Download
memory/1856-17-0x0000000075010000-0x000000007518B000-memory.dmp

Filesize
1.5MB

Download
memory/1856-13-0x0000000075010000-0x000000007518B000-memory.dmp

Filesize
1.5MB

Download
memory/1856-15-0x0000000075010000-0x000000007518B000-memory.dmp

Filesize
1.5MB

Download
memory/1856-14-0x000000007501E000-0x0000000075020000-memory.dmp

Filesize
8KB

Download
memory/1856-11-0x00007FFE4C550000-0x00007FFE4C745000-memory.dmp

Filesize
2.0MB

Download

Analysis

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