asyncrat | 3413c79e267f2906768a05abceb441e0503d346134b8731a086df0db1be84d90

Analysis

max time kernel
134s
max time network
145s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
20-04-2024 01:11

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General

Target

NOTIFICACION_JUDICIAL/NOTIFICACION DEMANDA/01Notificacion juridica.exe
Size

63KB
MD5

ae224c5e196ff381836c9e95deebb7d5
SHA1

910446a2a0f4e53307b6fdeb1a3e236c929e2ef4
SHA256

bf933ccf86c55fc328e343b55dbf2e8ebd528e8a0a54f8f659cd0d4b4f261f26
SHA512

f845dbb13b04f76b6823bec48e1c47f96bcbd6d02a834c8b128ac750fe338b53f775ee2a8784e8c443d49dfcb918c5b9d59b5492a1fe18743b8ba65b7d12514c
SSDEEP

1536:Wio8DVyYs7JZT0uPXn8OS6sIe3ekT5Z240jSZk:WkhyYIJZT0uPXn8OdsIe3c4Ql

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

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

Botnet

Default

sostener2024.duckdns.org:2020

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

Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1740-78-0x0000000000400000-0x0000000000416000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral1/memory/1740-82-0x0000000004380000-0x00000000043C0000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs

Detects file containing reversed ASEP Autorun registry keys 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1740-78-0x0000000000400000-0x0000000000416000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
behavioral1/memory/1740-80-0x0000000004380000-0x00000000043C0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
behavioral1/memory/1740-82-0x0000000004380000-0x00000000043C0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse

Suspicious use of SetThreadContext 2 IoCs

Processes:

01Notificacion juridica.execmd.exe

description	pid	process	target process
PID 2088 set thread context of 2856	2088	01Notificacion juridica.exe	cmd.exe
PID 2856 set thread context of 1740	2856	cmd.exe	MSBuild.exe

Drops file in Windows directory 1 IoCs

Processes:

cmd.exe

description ioc process

File created C:\Windows\Tasks\Bj_Javav4.job cmd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

01Notificacion juridica.execmd.exe

pid process

2088 01Notificacion juridica.exe
2856 cmd.exe
2856 cmd.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

01Notificacion juridica.execmd.exe

pid process

2088 01Notificacion juridica.exe
2856 cmd.exe
2856 cmd.exe

description	ioc	process
File created	C:\Windows\Tasks\Bj_Javav4.job	cmd.exe

pid	process
2088	01Notificacion juridica.exe
2856	cmd.exe
2856	cmd.exe

pid	process
2088	01Notificacion juridica.exe
2856	cmd.exe
2856	cmd.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

01Notificacion juridica.execmd.exe

description	pid	process	target process
PID 2088 wrote to memory of 2856	2088	01Notificacion juridica.exe	cmd.exe
PID 2088 wrote to memory of 2856	2088	01Notificacion juridica.exe	cmd.exe
PID 2088 wrote to memory of 2856	2088	01Notificacion juridica.exe	cmd.exe
PID 2088 wrote to memory of 2856	2088	01Notificacion juridica.exe	cmd.exe
PID 2088 wrote to memory of 2856	2088	01Notificacion juridica.exe	cmd.exe
PID 2856 wrote to memory of 1740	2856	cmd.exe	MSBuild.exe
PID 2856 wrote to memory of 1740	2856	cmd.exe	MSBuild.exe
PID 2856 wrote to memory of 1740	2856	cmd.exe	MSBuild.exe
PID 2856 wrote to memory of 1740	2856	cmd.exe	MSBuild.exe
PID 2856 wrote to memory of 1740	2856	cmd.exe	MSBuild.exe
PID 2856 wrote to memory of 1740	2856	cmd.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\NOTIFICACION_JUDICIAL\NOTIFICACION DEMANDA\01Notificacion juridica.exe
"C:\Users\Admin\AppData\Local\Temp\NOTIFICACION_JUDICIAL\NOTIFICACION DEMANDA\01Notificacion juridica.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2088

C:\Windows\SysWOW64\cmd.exe
C:\Windows\SysWOW64\cmd.exe
2⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2856

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
3⤵
PID:1740

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\9b97b999
Filesize
774KB

MD5
4a056ecbe98356cc77044f5e0d2821f5

SHA1
9be0066b699b4e5aace63f7122dea8817f98d725

SHA256
417da123f30832041f938dee30a5e082775f75158b60c42469bd8c645f869ad6

SHA512
2c1a0b6928b88cdca09ce3b9212de2b60e0ccb4bc056d228f51b9374baecee2885504a3da46f6b53cfeff09594eb15cfd65c57da92c4af183927160899cce53a

Download Submit
memory/1740-76-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1740-82-0x0000000004380000-0x00000000043C0000-memory.dmp

Filesize
256KB

Download
memory/1740-81-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download
memory/1740-80-0x0000000004380000-0x00000000043C0000-memory.dmp

Filesize
256KB

Download
memory/1740-79-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download
memory/1740-78-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1740-77-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1740-75-0x0000000072D50000-0x0000000073DB2000-memory.dmp

Filesize
16.4MB

Download
memory/2088-14-0x0000000074D30000-0x0000000074EA4000-memory.dmp

Filesize
1.5MB

Download
memory/2088-0-0x00000000004D0000-0x00000000005D8000-memory.dmp

Filesize
1.0MB

Download
memory/2088-13-0x0000000074D30000-0x0000000074EA4000-memory.dmp

Filesize
1.5MB

Download
memory/2088-4-0x00000000777D0000-0x0000000077979000-memory.dmp

Filesize
1.7MB

Download
memory/2088-3-0x0000000074D30000-0x0000000074EA4000-memory.dmp

Filesize
1.5MB

Download
memory/2088-2-0x0000000000E40000-0x0000000000E51000-memory.dmp

Filesize
68KB

Download
memory/2856-65-0x0000000074D30000-0x0000000074EA4000-memory.dmp

Filesize
1.5MB

Download
memory/2856-72-0x0000000074D30000-0x0000000074EA4000-memory.dmp

Filesize
1.5MB

Download
memory/2856-73-0x0000000074D30000-0x0000000074EA4000-memory.dmp

Filesize
1.5MB

Download
memory/2856-63-0x0000000074D30000-0x0000000074EA4000-memory.dmp

Filesize
1.5MB

Download
memory/2856-18-0x00000000777D0000-0x0000000077979000-memory.dmp

Filesize
1.7MB

Download
memory/2856-16-0x0000000074D30000-0x0000000074EA4000-memory.dmp

Filesize
1.5MB

Download