asyncrat | 1cf135e1f7c5574ed17b6dd7a55406d9f7645cedc44dc400cb90782b1381b321

Analysis

max time kernel
149s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
10/07/2024, 05:23

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General

Target

xt.png.ps1
Size

712KB
MD5

8bc95d2d1480070e0cccb017799b7b46
SHA1

868023685bbcd9308b2c0df2aa8bd9ff87054c89
SHA256

1cf135e1f7c5574ed17b6dd7a55406d9f7645cedc44dc400cb90782b1381b321
SHA512

95b105024fe1477dd6e063cbae74ddc312b3a11637d633dd3dd546ec1711b38b49610819388fad3cae4f9ece17a249040d2f955c1ab378e24dbad2bca576a412
SSDEEP

12288:9+x48PQ0D1VF5sh0cxArBhOmg1xHxR3C3rfLG48K:9848PQ0D1b53cxAYK

Score

10^/10

asyncrat ca execution rat

Malware Config

Extracted

Family

asyncrat

Version

| Edit 3LOSH RAT

Botnet

shady-mo.duckdns.org:9090

Mutex

Async_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1988 set thread context of 988	1988	powershell.exe	82

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1988	powershell.exe
3652	powershell.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3652	powershell.exe
3652	powershell.exe
1988	powershell.exe
1988	powershell.exe
988	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3652	powershell.exe
Token: SeDebugPrivilege	1988	powershell.exe
Token: SeDebugPrivilege	988	aspnet_compiler.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
988	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3652 wrote to memory of 1988	3652	powershell.exe	81
PID 3652 wrote to memory of 1988	3652	powershell.exe	81
PID 1988 wrote to memory of 988	1988	powershell.exe	82
PID 1988 wrote to memory of 988	1988	powershell.exe	82
PID 1988 wrote to memory of 988	1988	powershell.exe	82
PID 1988 wrote to memory of 988	1988	powershell.exe	82
PID 1988 wrote to memory of 988	1988	powershell.exe	82
PID 1988 wrote to memory of 988	1988	powershell.exe	82
PID 1988 wrote to memory of 988	1988	powershell.exe	82
PID 1988 wrote to memory of 988	1988	powershell.exe	82

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\xt.png.ps1
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3652
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -Command "& 'C:\ProgramData\OSRSEBJUUOBALHKLTGXZHU.ps1'"
  2⤵
  - Suspicious use of SetThreadContext
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1988
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\OSRSEBJUUOBALHKLTGXZHU.ps1

Filesize
710KB

MD5
3739e5fbe64bf7f544d6bd9caecec20e

SHA1
2007e966e3b3b41de5693035a526e1610ab08e73

SHA256
8bd1d3957449dba51f31bc1847a58b9f91a72d8899de053b0cd9f796262fc161

SHA512
300df7b9ede0ea99a769795fd6243ec00843ab82231daf11ef3c39a666643de6387327e684b5a78891c0ebf5ee105f5724117734a475093ac85b41f1236cbf42

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
0d53533b226ada04703fc90b556978a4

SHA1
4bf5e331fce099468eb2f4f34cbedf9411ddb8ae

SHA256
1589ebd677356cd2f45d1c79acfe8b8c2e03fa64931aff06e0fd9298cddd58e3

SHA512
1215eb84f69328a4bd085dddb4451d027d2569f4d7990b2e492682e17c5aa327015016a27cd384aa4968dfbaea731446b74b0562d73a41ce280e5caab32e3b55

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5bkd3e21.ht1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/988-66-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/988-79-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/988-78-0x0000000005440000-0x00000000054A6000-memory.dmp

Filesize
408KB

Download
memory/988-77-0x0000000005E40000-0x0000000005EDC000-memory.dmp

Filesize
624KB

Download
memory/988-76-0x00000000051D0000-0x00000000051DA000-memory.dmp

Filesize
40KB

Download
memory/988-75-0x0000000005240000-0x00000000052D2000-memory.dmp

Filesize
584KB

Download
memory/988-74-0x0000000005650000-0x0000000005BF4000-memory.dmp

Filesize
5.6MB

Download
memory/988-70-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/1988-53-0x000001B5EDBE0000-0x000001B5EDC01000-memory.dmp

Filesize
132KB

Download
memory/1988-40-0x000001B5EDBE0000-0x000001B5EDC01000-memory.dmp

Filesize
132KB

Download
memory/1988-62-0x000001B5EDBE0000-0x000001B5EDC01000-memory.dmp

Filesize
132KB

Download
memory/1988-60-0x000001B5EDBE0000-0x000001B5EDC01000-memory.dmp

Filesize
132KB

Download
memory/1988-38-0x000001B5EDBE0000-0x000001B5EDC01000-memory.dmp

Filesize
132KB

Download
memory/1988-65-0x00007FFA42510000-0x00007FFA42FD1000-memory.dmp

Filesize
10.8MB

Download
memory/1988-58-0x000001B5EDBE0000-0x000001B5EDC01000-memory.dmp

Filesize
132KB

Download
memory/1988-56-0x000001B5EDBE0000-0x000001B5EDC01000-memory.dmp

Filesize
132KB

Download
memory/1988-54-0x000001B5EDBE0000-0x000001B5EDC01000-memory.dmp

Filesize
132KB

Download
memory/1988-24-0x00007FFA42510000-0x00007FFA42FD1000-memory.dmp

Filesize
10.8MB

Download
memory/1988-50-0x000001B5EDBE0000-0x000001B5EDC01000-memory.dmp

Filesize
132KB

Download
memory/1988-48-0x000001B5EDBE0000-0x000001B5EDC01000-memory.dmp

Filesize
132KB

Download
memory/1988-46-0x000001B5EDBE0000-0x000001B5EDC01000-memory.dmp

Filesize
132KB

Download
memory/1988-44-0x000001B5EDBE0000-0x000001B5EDC01000-memory.dmp

Filesize
132KB

Download
memory/1988-42-0x000001B5EDBE0000-0x000001B5EDC01000-memory.dmp

Filesize
132KB

Download
memory/1988-64-0x000001B5EDBE0000-0x000001B5EDC01000-memory.dmp

Filesize
132KB

Download
memory/1988-36-0x000001B5EDBE0000-0x000001B5EDC01000-memory.dmp

Filesize
132KB

Download
memory/1988-34-0x000001B5EDBE0000-0x000001B5EDC01000-memory.dmp

Filesize
132KB

Download
memory/1988-32-0x000001B5EDBE0000-0x000001B5EDC01000-memory.dmp

Filesize
132KB

Download
memory/1988-30-0x000001B5EDBE0000-0x000001B5EDC01000-memory.dmp

Filesize
132KB

Download
memory/1988-68-0x00007FFA42510000-0x00007FFA42FD1000-memory.dmp

Filesize
10.8MB

Download
memory/1988-69-0x00007FFA42510000-0x00007FFA42FD1000-memory.dmp

Filesize
10.8MB

Download
memory/1988-29-0x000001B5EDBE0000-0x000001B5EDC01000-memory.dmp

Filesize
132KB

Download
memory/1988-28-0x000001B5EDBE0000-0x000001B5EDC08000-memory.dmp

Filesize
160KB

Download
memory/1988-25-0x00007FFA42510000-0x00007FFA42FD1000-memory.dmp

Filesize
10.8MB

Download
memory/1988-27-0x00007FFA42510000-0x00007FFA42FD1000-memory.dmp

Filesize
10.8MB

Download
memory/3652-73-0x00007FFA42510000-0x00007FFA42FD1000-memory.dmp

Filesize
10.8MB

Download
memory/3652-0-0x00007FFA42513000-0x00007FFA42515000-memory.dmp

Filesize
8KB

Download
memory/3652-12-0x00007FFA42510000-0x00007FFA42FD1000-memory.dmp

Filesize
10.8MB

Download
memory/3652-11-0x00007FFA42510000-0x00007FFA42FD1000-memory.dmp

Filesize
10.8MB

Download
memory/3652-1-0x0000015CBD8C0000-0x0000015CBD8E2000-memory.dmp

Filesize
136KB

Download