asyncrat | 99988371c15bd38fc947d898dc6eeb0d425c98f7bd471d040c24c8c667bd2b0b

General

Target

aba9ea59aab84849cf371965c19ef46c.exe
Size

88KB
MD5

aba9ea59aab84849cf371965c19ef46c
SHA1

366050aca450a5d1ea67ea5b6b1902a60c721c01
SHA256

99988371c15bd38fc947d898dc6eeb0d425c98f7bd471d040c24c8c667bd2b0b
SHA512

f38d27e4a58492a59043cf8ee3df3eb317581f3fb98b59d6d1b32163acc83a403425a554e1974e60c857b3489cf1d49a0e6de8734a9a159fea4d6fe571302248

Score

10^/10

asyncrat rat spyware stealer suricata

Malware Config

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
suricata

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2176-130-0x0000000009810000-0x000000000982B000-memory.dmp	asyncrat

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

aba9ea59aab84849cf371965c19ef46c.exe

pid process

2176 aba9ea59aab84849cf371965c19ef46c.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

aba9ea59aab84849cf371965c19ef46c.exe

description pid process

Token: SeDebugPrivilege 2176 aba9ea59aab84849cf371965c19ef46c.exe

pid	process
2176	aba9ea59aab84849cf371965c19ef46c.exe

description	pid	process
Token: SeDebugPrivilege	2176	aba9ea59aab84849cf371965c19ef46c.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

aba9ea59aab84849cf371965c19ef46c.execmd.exe

description	pid	process	target process
PID 2176 wrote to memory of 1780	2176	aba9ea59aab84849cf371965c19ef46c.exe	cmd.exe
PID 2176 wrote to memory of 1780	2176	aba9ea59aab84849cf371965c19ef46c.exe	cmd.exe
PID 2176 wrote to memory of 1780	2176	aba9ea59aab84849cf371965c19ef46c.exe	cmd.exe
PID 1780 wrote to memory of 3976	1780	cmd.exe	powershell.exe
PID 1780 wrote to memory of 3976	1780	cmd.exe	powershell.exe
PID 1780 wrote to memory of 3976	1780	cmd.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\aba9ea59aab84849cf371965c19ef46c.exe
"C:\Users\Admin\AppData\Local\Temp\aba9ea59aab84849cf371965c19ef46c.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2176

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c start /b powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\dgngyc.exe"' & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1780

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\dgngyc.exe"'
3⤵
PID:3976

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1780-131-0x0000000000000000-mapping.dmp

Download
memory/2176-124-0x00000000092E0000-0x00000000092E1000-memory.dmp

Filesize
4KB

Download
memory/2176-123-0x00000000091A0000-0x0000000009219000-memory.dmp

Filesize
484KB

Download
memory/2176-119-0x00000000057A0000-0x0000000005C9E000-memory.dmp

Filesize
5.0MB

Download
memory/2176-120-0x0000000008750000-0x0000000008751000-memory.dmp

Filesize
4KB

Download
memory/2176-125-0x0000000009370000-0x0000000009371000-memory.dmp

Filesize
4KB

Download
memory/2176-122-0x0000000009220000-0x0000000009221000-memory.dmp

Filesize
4KB

Download
memory/2176-118-0x0000000005860000-0x0000000005861000-memory.dmp

Filesize
4KB

Download
memory/2176-115-0x0000000000ED0000-0x0000000000ED1000-memory.dmp

Filesize
4KB

Download
memory/2176-121-0x00000000087F0000-0x00000000087F1000-memory.dmp

Filesize
4KB

Download
memory/2176-126-0x0000000009730000-0x0000000009734000-memory.dmp

Filesize
16KB

Download
memory/2176-127-0x0000000009740000-0x00000000097CD000-memory.dmp

Filesize
564KB

Download
memory/2176-128-0x0000000009960000-0x00000000099B9000-memory.dmp

Filesize
356KB

Download
memory/2176-129-0x00000000099C0000-0x00000000099C1000-memory.dmp

Filesize
4KB

Download
memory/2176-130-0x0000000009810000-0x000000000982B000-memory.dmp

Filesize
108KB

Download
memory/2176-117-0x0000000005CA0000-0x0000000005CA1000-memory.dmp

Filesize
4KB

Download
memory/3976-132-0x0000000000000000-mapping.dmp

Download

Analysis

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