asyncrat | 1ae401515e509c79b5af470feb8d156859771f61e598dfa10f37409bebdc4dbb

Resubmissions

24/10/2023, 12:00

231024-n6mgdacg4s 10

24/10/2023, 11:52

24/10/2023, 11:33

24/10/2023, 11:30

24/10/2023, 11:27

24/10/2023, 09:15

Analysis

max time kernel
145s
max time network
121s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
24/10/2023, 12:00

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Report Analysis Logs

General

Target

rat.exe
Size

512KB
MD5

738c07f22ff7922d8fcff5ba6555dbb3
SHA1

86a08e0cb6b92b08d358c75e47dd5325b4aba323
SHA256

7a83115ab46ba6a3c237d78f32bd3386ff4d4d7cd7b06ad731fe8071b2246278
SHA512

c49a900d0165f56cc513c6e4e6551a69f3b49c8c0a9719ac925c6004b69554540999d1f3c9d63c397564e6ec67bb65cc31fa6e0ff9c2685a325fea7c8c0868dd
SSDEEP

3072:7HivS2XIxjLnBnbmOKIudTziZ3w2OAGzCZ44Lz/w:LxvnBJh+T63wZzCZ44Lzw

Score

10^/10

asyncrat default rat spyware stealer

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

Mutex

DcRatMutex_qwqdanchun

Attributes

delay
1
install
false
install_file
svchost.exe
install_folder
%AppData%

aes.plain

Signatures

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

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2220-7-0x0000000002160000-0x0000000002176000-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
T1552.001

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
464	Process not Found

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2220	rat.exe
Token: SeDebugPrivilege	2220	rat.exe
Token: 33	1792	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1792	AUDIODG.EXE
Token: 33	1792	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1792	AUDIODG.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 2592	2748	cmd.exe	32
PID 2748 wrote to memory of 2592	2748	cmd.exe	32
PID 2748 wrote to memory of 2592	2748	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\rat.exe
"C:\Users\Admin\AppData\Local\Temp\rat.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2220

C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Windows\system32\netsh.exe
  netsh trace start capture=yes tracefile=C:\file.etl
  2⤵
  PID:2592

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2568

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x1d4
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2220-0-0x000000013FF10000-0x000000013FF5C000-memory.dmp

Filesize
304KB

Download
memory/2220-1-0x000007FEF5020000-0x000007FEF5A0C000-memory.dmp

Filesize
9.9MB

Download
memory/2220-2-0x000000001BB10000-0x000000001BB90000-memory.dmp

Filesize
512KB

Download
memory/2220-3-0x00000000008E0000-0x00000000008FC000-memory.dmp

Filesize
112KB

Download
memory/2220-4-0x00000000020C0000-0x00000000020D6000-memory.dmp

Filesize
88KB

Download
memory/2220-5-0x000007FEF5020000-0x000007FEF5A0C000-memory.dmp

Filesize
9.9MB

Download
memory/2220-6-0x000000001BB10000-0x000000001BB90000-memory.dmp

Filesize
512KB

Download
memory/2220-7-0x0000000002160000-0x0000000002176000-memory.dmp

Filesize
88KB

Download
memory/2220-8-0x0000000076CD0000-0x0000000076E79000-memory.dmp

Filesize
1.7MB

Download
memory/2220-9-0x0000000076CD0000-0x0000000076E79000-memory.dmp

Filesize
1.7MB

Download