asyncrat | 7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab

General

Target

7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
Size

170KB
MD5

7a43bf93d5c1df0289e57152105162c9
SHA1

3abb60159200859e3e22babcf12479766f7b0f78
SHA256

7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab
SHA512

4b8babe45c349cbcdaf7ec40d0a064f5b8f9a74dafc3a1d4583666b3fa857e148a4cdcc4a0851f73fa92b9cee8425a95413cf9833e7eca6bb0ab7ed0f91eb48f

Score

10^/10

asyncrat stormkitty default rat spyware stealer suricata

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

https://api.telegram.org/bot5247464974:AAE4nAxJ7vaD4mfWmY-bGuO23tZg_Mi9B4I/sendMessage?chat_id=736679240

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat
StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2652-124-0x0000000000AF0000-0x0000000000B20000-memory.dmp	family_stormkitty

suricata: ET MALWARE StormKitty Data Exfil via Telegram
suricata: ET MALWARE StormKitty Data Exfil via Telegram
suricata

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/2652-124-0x0000000000AF0000-0x0000000000B20000-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

Drops desktop.ini file(s) 8 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\6abd23921e66a8f7404dfa03e0226015\Admin@JPOOYTSX_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
File created	C:\Users\Admin\AppData\Local\6abd23921e66a8f7404dfa03e0226015\Admin@JPOOYTSX_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
File opened for modification	C:\Users\Admin\AppData\Local\6abd23921e66a8f7404dfa03e0226015\Admin@JPOOYTSX_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
File created	C:\Users\Admin\AppData\Local\6abd23921e66a8f7404dfa03e0226015\Admin@JPOOYTSX_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
File opened for modification	C:\Users\Admin\AppData\Local\6abd23921e66a8f7404dfa03e0226015\Admin@JPOOYTSX_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
File created	C:\Users\Admin\AppData\Local\6abd23921e66a8f7404dfa03e0226015\Admin@JPOOYTSX_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
File created	C:\Users\Admin\AppData\Local\6abd23921e66a8f7404dfa03e0226015\Admin@JPOOYTSX_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
File created	C:\Users\Admin\AppData\Local\6abd23921e66a8f7404dfa03e0226015\Admin@JPOOYTSX_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
10	icanhazip.com

Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 1932	2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe	80
PID 2652 wrote to memory of 1932	2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe	80
PID 2652 wrote to memory of 1932	2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe	80
PID 1932 wrote to memory of 3828	1932	cmd.exe	82
PID 1932 wrote to memory of 3828	1932	cmd.exe	82
PID 1932 wrote to memory of 3828	1932	cmd.exe	82
PID 1932 wrote to memory of 4536	1932	cmd.exe	83
PID 1932 wrote to memory of 4536	1932	cmd.exe	83
PID 1932 wrote to memory of 4536	1932	cmd.exe	83
PID 1932 wrote to memory of 3464	1932	cmd.exe	84
PID 1932 wrote to memory of 3464	1932	cmd.exe	84
PID 1932 wrote to memory of 3464	1932	cmd.exe	84
PID 2652 wrote to memory of 4328	2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe	85
PID 2652 wrote to memory of 4328	2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe	85
PID 2652 wrote to memory of 4328	2652	7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe	85
PID 4328 wrote to memory of 1184	4328	cmd.exe	87
PID 4328 wrote to memory of 1184	4328	cmd.exe	87
PID 4328 wrote to memory of 1184	4328	cmd.exe	87
PID 4328 wrote to memory of 1652	4328	cmd.exe	88
PID 4328 wrote to memory of 1652	4328	cmd.exe	88
PID 4328 wrote to memory of 1652	4328	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe
"C:\Users\Admin\AppData\Local\Temp\7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab.exe"
1⤵
- Drops desktop.ini file(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1932
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:3828
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show profile
    3⤵
    PID:4536
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    PID:3464
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4328
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:1184
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show networks mode=bssid
    3⤵
    PID:1652

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2652-125-0x0000000005840000-0x00000000058A6000-memory.dmp

Filesize
408KB

Download
memory/2652-126-0x00000000063D0000-0x0000000006462000-memory.dmp

Filesize
584KB

Download
memory/2652-127-0x0000000005633000-0x0000000005635000-memory.dmp

Filesize
8KB

Download
memory/2652-128-0x0000000006A20000-0x0000000006FC4000-memory.dmp

Filesize
5.6MB

Download
memory/2652-124-0x0000000000AF0000-0x0000000000B20000-memory.dmp

Filesize
192KB

Download
memory/2652-137-0x0000000006690000-0x00000000066A2000-memory.dmp

Filesize
72KB

Download
memory/2652-136-0x00000000064F0000-0x00000000064FA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing