asyncrat | bd25554c274a03203a99a4bc55c6a8553edbcc7dbee5ec606eefbedd7f551e00

Resubmissions

30-05-2024 18:53

240530-xjnklagb6z 10

Analysis

max time kernel
134s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30-05-2024 18:53

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General

Target

03- PROCESO JUDICIAL JUZGADO CIVIL 02 DEL CIRCUITO/01 PROCESO JUDICIAL JUZGADO.exe
Size

5.4MB
MD5

ad2735f096925010a53450cb4178c89e
SHA1

c6d65163c6315a642664f4eaec0fae9528549bfe
SHA256

4e775b5fafb4e6d89a4694f8694d2b8b540534bd4a52ff42f70095f1c929160e
SHA512

1868b22a7c5cba89545b06f010c09c5418b3d86039099d681eee9567c47208fdba3b89c6251cf03c964c58c805280d45ba9c3533125f6bd3e0bc067477e03ab9
SSDEEP

98304:o/zx+riUDpJowboU+XEsumY2XW6jBYeZ1ER:2x+riUDwUj12X1tY5

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

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

Botnet

Default

enviofinal.kozow.com:5051

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_file
AnsyFelix
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Suspicious use of SetThreadContext 2 IoCs

Processes:

01 PROCESO JUDICIAL JUZGADO.execmd.exe

description	pid	process	target process
PID 2096 set thread context of 1216	2096	01 PROCESO JUDICIAL JUZGADO.exe	cmd.exe
PID 1216 set thread context of 5032	1216	cmd.exe	MSBuild.exe

Drops file in Windows directory 1 IoCs

Processes:

cmd.exe

description ioc process

File created C:\Windows\Tasks\ValidAppv3.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 5 IoCs

Processes:

01 PROCESO JUDICIAL JUZGADO.execmd.exeMSBuild.exe

pid process

2096 01 PROCESO JUDICIAL JUZGADO.exe
2096 01 PROCESO JUDICIAL JUZGADO.exe
1216 cmd.exe
1216 cmd.exe
5032 MSBuild.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

01 PROCESO JUDICIAL JUZGADO.execmd.exe

pid process

2096 01 PROCESO JUDICIAL JUZGADO.exe
1216 cmd.exe
1216 cmd.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 5032 MSBuild.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MSBuild.exe

pid process

5032 MSBuild.exe

description	ioc	process
File created	C:\Windows\Tasks\ValidAppv3.job	cmd.exe

pid	process
2096	01 PROCESO JUDICIAL JUZGADO.exe
2096	01 PROCESO JUDICIAL JUZGADO.exe
1216	cmd.exe
1216	cmd.exe
5032	MSBuild.exe

pid	process
2096	01 PROCESO JUDICIAL JUZGADO.exe
1216	cmd.exe
1216	cmd.exe

description	pid	process
Token: SeDebugPrivilege	5032	MSBuild.exe

pid	process
5032	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

01 PROCESO JUDICIAL JUZGADO.execmd.exe

description	pid	process	target process
PID 2096 wrote to memory of 1216	2096	01 PROCESO JUDICIAL JUZGADO.exe	cmd.exe
PID 2096 wrote to memory of 1216	2096	01 PROCESO JUDICIAL JUZGADO.exe	cmd.exe
PID 2096 wrote to memory of 1216	2096	01 PROCESO JUDICIAL JUZGADO.exe	cmd.exe
PID 2096 wrote to memory of 1216	2096	01 PROCESO JUDICIAL JUZGADO.exe	cmd.exe
PID 1216 wrote to memory of 5032	1216	cmd.exe	MSBuild.exe
PID 1216 wrote to memory of 5032	1216	cmd.exe	MSBuild.exe
PID 1216 wrote to memory of 5032	1216	cmd.exe	MSBuild.exe
PID 1216 wrote to memory of 5032	1216	cmd.exe	MSBuild.exe
PID 1216 wrote to memory of 5032	1216	cmd.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\03- PROCESO JUDICIAL JUZGADO CIVIL 02 DEL CIRCUITO\01 PROCESO JUDICIAL JUZGADO.exe
"C:\Users\Admin\AppData\Local\Temp\03- PROCESO JUDICIAL JUZGADO CIVIL 02 DEL CIRCUITO\01 PROCESO JUDICIAL JUZGADO.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2096
- 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:1216
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:5032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\acd380ea

Filesize
774KB

MD5
25bb5cf83573b3b91436cc12b32ebb41

SHA1
ec862c2328a8b96e5c03e8d7da7dc93bf9d7c74e

SHA256
7f0e8157b000ea1b5dce96cb158836e630021b0a6be57d99ebd0109e2e6e22dc

SHA512
78855a669d144b90b51f2bfc19cb66782d5e5d0a9f1769b027db1982274e8c0f1692285c250f9670d11ed91b7c4cb3796e3f703b24fb8894caae31f556efcf0b

Download Submit
memory/1216-25-0x0000000075990000-0x0000000075B0B000-memory.dmp

Filesize
1.5MB

Download
memory/1216-17-0x00007FF935AB0000-0x00007FF935CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1216-27-0x0000000075990000-0x0000000075B0B000-memory.dmp

Filesize
1.5MB

Download
memory/1216-31-0x000000007599E000-0x00000000759A2000-memory.dmp

Filesize
16KB

Download
memory/1216-24-0x0000000075990000-0x0000000075B0B000-memory.dmp

Filesize
1.5MB

Download
memory/1216-19-0x0000000075990000-0x0000000075B0B000-memory.dmp

Filesize
1.5MB

Download
memory/1216-22-0x0000000075990000-0x0000000075B0B000-memory.dmp

Filesize
1.5MB

Download
memory/1216-20-0x000000007599E000-0x00000000759A2000-memory.dmp

Filesize
16KB

Download
memory/2096-12-0x00007FF9171F8000-0x00007FF9171F9000-memory.dmp

Filesize
4KB

Download
memory/2096-0-0x00007FF9171E0000-0x00007FF917352000-memory.dmp

Filesize
1.4MB

Download
memory/2096-14-0x00007FF9171E0000-0x00007FF917352000-memory.dmp

Filesize
1.4MB

Download
memory/2096-13-0x00007FF9171E0000-0x00007FF917352000-memory.dmp

Filesize
1.4MB

Download
memory/5032-32-0x00000000735FE000-0x00000000735FF000-memory.dmp

Filesize
4KB

Download
memory/5032-28-0x0000000073EB0000-0x0000000075104000-memory.dmp

Filesize
18.3MB

Download
memory/5032-33-0x0000000000DA0000-0x0000000000DB6000-memory.dmp

Filesize
88KB

Download
memory/5032-36-0x0000000005AA0000-0x0000000005AAA000-memory.dmp

Filesize
40KB

Download
memory/5032-35-0x0000000005AD0000-0x0000000005B62000-memory.dmp

Filesize
584KB

Download
memory/5032-34-0x0000000005EE0000-0x0000000006484000-memory.dmp

Filesize
5.6MB

Download
memory/5032-39-0x0000000006B70000-0x0000000006C0C000-memory.dmp

Filesize
624KB

Download
memory/5032-40-0x0000000006AD0000-0x0000000006B36000-memory.dmp

Filesize
408KB

Download
memory/5032-41-0x00000000735FE000-0x00000000735FF000-memory.dmp

Filesize
4KB

Download