asyncrat | bd25554c274a03203a99a4bc55c6a8553edbcc7dbee5ec606eefbedd7f551e00

Resubmissions

30-05-2024 18:53

240530-xjnklagb6z 10

Analysis

max time kernel
120s
max time network
160s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 2600 set thread context of 2664	2600	01 PROCESO JUDICIAL JUZGADO.exe	cmd.exe
PID 2664 set thread context of 960	2664	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

2600 01 PROCESO JUDICIAL JUZGADO.exe
2600 01 PROCESO JUDICIAL JUZGADO.exe
2664 cmd.exe
2664 cmd.exe
960 MSBuild.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

01 PROCESO JUDICIAL JUZGADO.execmd.exe

pid process

2600 01 PROCESO JUDICIAL JUZGADO.exe
2664 cmd.exe
2664 cmd.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 960 MSBuild.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MSBuild.exe

pid process

960 MSBuild.exe

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

pid	process
2600	01 PROCESO JUDICIAL JUZGADO.exe
2600	01 PROCESO JUDICIAL JUZGADO.exe
2664	cmd.exe
2664	cmd.exe
960	MSBuild.exe

pid	process
2600	01 PROCESO JUDICIAL JUZGADO.exe
2664	cmd.exe
2664	cmd.exe

description	pid	process
Token: SeDebugPrivilege	960	MSBuild.exe

pid	process
960	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

01 PROCESO JUDICIAL JUZGADO.execmd.exe

description	pid	process	target process
PID 2600 wrote to memory of 2664	2600	01 PROCESO JUDICIAL JUZGADO.exe	cmd.exe
PID 2600 wrote to memory of 2664	2600	01 PROCESO JUDICIAL JUZGADO.exe	cmd.exe
PID 2600 wrote to memory of 2664	2600	01 PROCESO JUDICIAL JUZGADO.exe	cmd.exe
PID 2600 wrote to memory of 2664	2600	01 PROCESO JUDICIAL JUZGADO.exe	cmd.exe
PID 2600 wrote to memory of 2664	2600	01 PROCESO JUDICIAL JUZGADO.exe	cmd.exe
PID 2664 wrote to memory of 960	2664	cmd.exe	MSBuild.exe
PID 2664 wrote to memory of 960	2664	cmd.exe	MSBuild.exe
PID 2664 wrote to memory of 960	2664	cmd.exe	MSBuild.exe
PID 2664 wrote to memory of 960	2664	cmd.exe	MSBuild.exe
PID 2664 wrote to memory of 960	2664	cmd.exe	MSBuild.exe
PID 2664 wrote to memory of 960	2664	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:2600
- 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:2664
- - 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:960

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\1d64741f

Filesize
774KB

MD5
981edd5997b744f04a6624142b314233

SHA1
9ae85015c0d5b670fa4b3c5b26aaeee9bb8b2e71

SHA256
e04909a0a2b70a7621736c89148f6e460d847984824eaa772cd08ca90eb1a867

SHA512
014dab300c31fa042cfcf490e181b29ea63b74930fc2a768f7897d98189b5d8acbbdccc819234740315674fae42e45756416e76bd7109f6645d7e33fcc87512c

Download Submit
memory/960-77-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/960-80-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/960-75-0x0000000072A80000-0x0000000073AE2000-memory.dmp

Filesize
16.4MB

Download
memory/960-78-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2600-0-0x000007FEF5B40000-0x000007FEF5C98000-memory.dmp

Filesize
1.3MB

Download
memory/2600-14-0x000007FEF5B40000-0x000007FEF5C98000-memory.dmp

Filesize
1.3MB

Download
memory/2600-12-0x000007FEF5B58000-0x000007FEF5B59000-memory.dmp

Filesize
4KB

Download
memory/2600-13-0x000007FEF5B40000-0x000007FEF5C98000-memory.dmp

Filesize
1.3MB

Download
memory/2664-62-0x0000000074C90000-0x0000000074E04000-memory.dmp

Filesize
1.5MB

Download
memory/2664-73-0x0000000074C90000-0x0000000074E04000-memory.dmp

Filesize
1.5MB

Download
memory/2664-76-0x0000000074C90000-0x0000000074E04000-memory.dmp

Filesize
1.5MB

Download
memory/2664-17-0x0000000077450000-0x00000000775F9000-memory.dmp

Filesize
1.7MB

Download
memory/2664-69-0x0000000074C90000-0x0000000074E04000-memory.dmp

Filesize
1.5MB

Download
memory/2664-63-0x0000000074C9E000-0x0000000074CA2000-memory.dmp

Filesize
16KB

Download
memory/2664-79-0x0000000074C9E000-0x0000000074CA2000-memory.dmp

Filesize
16KB

Download
memory/2664-72-0x0000000074C90000-0x0000000074E04000-memory.dmp

Filesize
1.5MB

Download