asyncrat | f0400b06676859c0b8140cfe8fcdc370f51627224a39db387d261c4582e2fe08

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 2828 set thread context of 2156	2828	01 notifico demanda.exe	30
PID 2156 set thread context of 828	2156	cmd.exe	32

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
2652	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2828	01 notifico demanda.exe
2828	01 notifico demanda.exe
2156	cmd.exe
2156	cmd.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2828	01 notifico demanda.exe
2156	cmd.exe
2156	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	828	MSBuild.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 2156	2828	01 notifico demanda.exe	30
PID 2828 wrote to memory of 2156	2828	01 notifico demanda.exe	30
PID 2828 wrote to memory of 2156	2828	01 notifico demanda.exe	30
PID 2828 wrote to memory of 2156	2828	01 notifico demanda.exe	30
PID 2828 wrote to memory of 2156	2828	01 notifico demanda.exe	30
PID 2156 wrote to memory of 828	2156	cmd.exe	32
PID 2156 wrote to memory of 828	2156	cmd.exe	32
PID 2156 wrote to memory of 828	2156	cmd.exe	32
PID 2156 wrote to memory of 828	2156	cmd.exe	32
PID 2156 wrote to memory of 828	2156	cmd.exe	32
PID 2156 wrote to memory of 828	2156	cmd.exe	32
PID 828 wrote to memory of 1672	828	MSBuild.exe	35
PID 828 wrote to memory of 1672	828	MSBuild.exe	35
PID 828 wrote to memory of 1672	828	MSBuild.exe	35
PID 828 wrote to memory of 1672	828	MSBuild.exe	35
PID 1672 wrote to memory of 2652	1672	cmd.exe	37
PID 1672 wrote to memory of 2652	1672	cmd.exe	37
PID 1672 wrote to memory of 2652	1672	cmd.exe	37
PID 1672 wrote to memory of 2652	1672	cmd.exe	37

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:2828
- 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:2156
- - 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:828
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpA8B6.tmp.bat""
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1672
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout 3
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:2652

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\1087efa3

Filesize
777KB

MD5
28b48b76e8b8e0711a57fb88de041f7c

SHA1
6abab7a8b403112213a01819021990cb04b194e0

SHA256
a8cd5f24db51c280e8e51c1987336e1aee59241ae4b3a51d334a8ba2e9b4ab51

SHA512
dd338e70c7ec86ab52fca544c4ebc87c1f61943f26daab940968b1ab09a77a5661d83fe8932b88550dc94b1068e8ebe2b01add4f2fd7530e1b7892b5cc552327

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabE311.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA846.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA8B6.tmp.bat

Filesize
171B

MD5
a8b4ec6824099ccd05281fd3714da538

SHA1
80e4c86bfb81b293887b0b61018596009afddcad

SHA256
76a73d11ad5e48ff4fbc8364f53ab17a92a6d2b4f1bead3c609bf8f844b3d2ba

SHA512
97febb1d9d5de67410c95b01fc625ed26ea0bec25ce902039f8fdcd174b50846130846c697a4123748c48fde87163a34af48d87356b114db90f7ad125672bea6

Download Submit
memory/828-62-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/828-80-0x0000000000430000-0x0000000000454000-memory.dmp

Filesize
144KB

Download
memory/828-63-0x0000000000080000-0x0000000000096000-memory.dmp

Filesize
88KB

Download
memory/828-59-0x0000000072600000-0x0000000073662000-memory.dmp

Filesize
16.4MB

Download
memory/828-61-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2156-57-0x0000000074870000-0x00000000749E4000-memory.dmp

Filesize
1.5MB

Download
memory/2156-60-0x0000000074870000-0x00000000749E4000-memory.dmp

Filesize
1.5MB

Download
memory/2156-55-0x0000000074870000-0x00000000749E4000-memory.dmp

Filesize
1.5MB

Download
memory/2156-56-0x000000007487E000-0x0000000074880000-memory.dmp

Filesize
8KB

Download
memory/2156-10-0x0000000077080000-0x0000000077229000-memory.dmp

Filesize
1.7MB

Download
memory/2828-0-0x000007FEF6150000-0x000007FEF62A8000-memory.dmp

Filesize
1.3MB

Download
memory/2828-8-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2828-6-0x000007FEF6150000-0x000007FEF62A8000-memory.dmp

Filesize
1.3MB

Download
memory/2828-5-0x000007FEF6150000-0x000007FEF62A8000-memory.dmp

Filesize
1.3MB

Download
memory/2828-4-0x000007FEF6169000-0x000007FEF616A000-memory.dmp

Filesize
4KB

Download

Analysis

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