asyncrat | ef49862573dc6f3a18094cb5a2644d1a0db366283ec46152e79bcf2f828440bc

General

Target

ORDER-2114 doc.exe
Size

929KB
MD5

918c64196f31842ff6f7abcd6c8602fa
SHA1

6148d8afff84c92dbd5fc74ae4dd936ba4783bb4
SHA256

ef49862573dc6f3a18094cb5a2644d1a0db366283ec46152e79bcf2f828440bc
SHA512

7c37c2710177f3cc4cadf91ca7bb9a6cea112afa0a006faf2d552d36b73ed36526af5a71812e043cbbcfff38df930afb883c27da5ebfab04c7a027e5abdb0e93

Score

10^/10

asyncrat rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

C2

chongmei33.publicvm.com:49746

chongmei33.publicvm.com:2703

chongmei33.publicvm.com:49714

chongmei33.publicvm.com:49703

185.165.153.116:49746

185.165.153.116:2703

185.165.153.116:49714

185.165.153.116:49703

54.37.36.116:49746

54.37.36.116:2703

54.37.36.116:49714

54.37.36.116:49703

185.244.30.92:49746

185.244.30.92:2703

185.244.30.92:49714

185.244.30.92:49703

dongreg202020.duckdns.org:49746

dongreg202020.duckdns.org:2703

dongreg202020.duckdns.org:49714

dongreg202020.duckdns.org:49703

Mutex

word_6SI86kPnk

Attributes

aes_key
Hz9AIk2iuw31bDO3o1GepDyHZ5vVJkGp
anti_detection
false
autorun
false
bdos
false
delay
SEPT G8
host
chongmei33.publicvm.com,185.165.153.116,54.37.36.116,185.244.30.92,dongreg202020.duckdns.org,178.33.222.241,rahim321.duckdns.org,79.134.225.92,37.120.208.36
hwid
3
install_file
install_folder
%AppData%
mutex
word_6SI86kPnk
pastebin_config
null
port
49746,2703,49714,49703
version
0.5.7B

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat

Async RAT payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1932-11-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1932-12-0x000000000040C89E-mapping.dmp	asyncrat
behavioral1/memory/1932-13-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1932-14-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Drops startup file 2 IoCs

Processes:

Powershell.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe	Powershell.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe	Powershell.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Suspicious use of SetThreadContext 1 IoCs

Processes:

ORDER-2114 doc.exe

description pid process target process

PID 2024 set thread context of 1932 2024 ORDER-2114 doc.exe vbc.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Powershell.exeORDER-2114 doc.exe

pid process

488 Powershell.exe
2024 ORDER-2114 doc.exe
2024 ORDER-2114 doc.exe
2024 ORDER-2114 doc.exe
2024 ORDER-2114 doc.exe
488 Powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Powershell.exeORDER-2114 doc.exevbc.exe

description pid process

Token: SeDebugPrivilege 488 Powershell.exe
Token: SeDebugPrivilege 2024 ORDER-2114 doc.exe
Token: SeDebugPrivilege 1932 vbc.exe

description	pid	process	target process
PID 2024 set thread context of 1932	2024	ORDER-2114 doc.exe	vbc.exe

pid	process
488	Powershell.exe
2024	ORDER-2114 doc.exe
2024	ORDER-2114 doc.exe
2024	ORDER-2114 doc.exe
2024	ORDER-2114 doc.exe
488	Powershell.exe

description	pid	process
Token: SeDebugPrivilege	488	Powershell.exe
Token: SeDebugPrivilege	2024	ORDER-2114 doc.exe
Token: SeDebugPrivilege	1932	vbc.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

ORDER-2114 doc.exe

description	pid	process	target process
PID 2024 wrote to memory of 488	2024	ORDER-2114 doc.exe	Powershell.exe
PID 2024 wrote to memory of 488	2024	ORDER-2114 doc.exe	Powershell.exe
PID 2024 wrote to memory of 488	2024	ORDER-2114 doc.exe	Powershell.exe
PID 2024 wrote to memory of 488	2024	ORDER-2114 doc.exe	Powershell.exe
PID 2024 wrote to memory of 1092	2024	ORDER-2114 doc.exe	vbc.exe
PID 2024 wrote to memory of 1092	2024	ORDER-2114 doc.exe	vbc.exe
PID 2024 wrote to memory of 1092	2024	ORDER-2114 doc.exe	vbc.exe
PID 2024 wrote to memory of 1092	2024	ORDER-2114 doc.exe	vbc.exe
PID 2024 wrote to memory of 1824	2024	ORDER-2114 doc.exe	vbc.exe
PID 2024 wrote to memory of 1824	2024	ORDER-2114 doc.exe	vbc.exe
PID 2024 wrote to memory of 1824	2024	ORDER-2114 doc.exe	vbc.exe
PID 2024 wrote to memory of 1824	2024	ORDER-2114 doc.exe	vbc.exe
PID 2024 wrote to memory of 1932	2024	ORDER-2114 doc.exe	vbc.exe
PID 2024 wrote to memory of 1932	2024	ORDER-2114 doc.exe	vbc.exe
PID 2024 wrote to memory of 1932	2024	ORDER-2114 doc.exe	vbc.exe
PID 2024 wrote to memory of 1932	2024	ORDER-2114 doc.exe	vbc.exe
PID 2024 wrote to memory of 1932	2024	ORDER-2114 doc.exe	vbc.exe
PID 2024 wrote to memory of 1932	2024	ORDER-2114 doc.exe	vbc.exe
PID 2024 wrote to memory of 1932	2024	ORDER-2114 doc.exe	vbc.exe
PID 2024 wrote to memory of 1932	2024	ORDER-2114 doc.exe	vbc.exe
PID 2024 wrote to memory of 1932	2024	ORDER-2114 doc.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\ORDER-2114 doc.exe
"C:\Users\Admin\AppData\Local\Temp\ORDER-2114 doc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2024

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\ORDER-2114 doc.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe'
2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:488

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
2⤵
PID:1092

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1932

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
2⤵
PID:1824

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/488-17-0x0000000002600000-0x0000000002601000-memory.dmp

Filesize
4KB

Download
memory/488-35-0x0000000006280000-0x0000000006281000-memory.dmp

Filesize
4KB

Download
memory/488-28-0x00000000060E0000-0x00000000060E1000-memory.dmp

Filesize
4KB

Download
memory/488-6-0x0000000000000000-mapping.dmp

Download
memory/488-7-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/488-8-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

Download
memory/488-9-0x00000000047B0000-0x00000000047B1000-memory.dmp

Filesize
4KB

Download
memory/488-27-0x0000000006080000-0x0000000006081000-memory.dmp

Filesize
4KB

Download
memory/488-22-0x0000000006030000-0x0000000006031000-memory.dmp

Filesize
4KB

Download
memory/488-19-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/1932-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1932-14-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1932-15-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/1932-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1932-12-0x000000000040C89E-mapping.dmp

Download
memory/2024-2-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2024-10-0x0000000001EF0000-0x0000000001EFF000-memory.dmp

Filesize
60KB

Download
memory/2024-5-0x00000000009B0000-0x00000000009EA000-memory.dmp

Filesize
232KB

Download
memory/2024-3-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads