asyncrat | 5c3603c16f14470925cb27d1448e3e74f73041ddb767378da24fe196e9289551

General

Target

0f66ff679ac2376c3f317f09cce13220.ps1
Size

103KB
MD5

0f66ff679ac2376c3f317f09cce13220
SHA1

dc4cc0139395fb9b79fa760762f609f9a40ad552
SHA256

5c3603c16f14470925cb27d1448e3e74f73041ddb767378da24fe196e9289551
SHA512

12576d365a832f35cf946b846c325a30f349334a70112ecc2b3a053d8944ebe4265c29bf8057656ecd77deafa5c7a4e4b5bbe0f82e2d546b523745add4cadd5e
SSDEEP

1536:EUKQoDt+kNmfZxz0enLSOybC07jwSMgE6Dis9GLTG:NrG

Score

10^/10

asyncrat love rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

love

C2

arieldon.linkpc.net:4444

77.247.127.24:4444

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 written in C#.
rat asyncrat

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/380-28-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 696 set thread context of 380 696 powershell.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

696 powershell.exe
696 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 696 powershell.exe

description	pid	process	target process
PID 696 set thread context of 380	696	powershell.exe	RegAsm.exe

pid	process
696	powershell.exe
696	powershell.exe

description	pid	process
Token: SeDebugPrivilege	696	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

powershell.execsc.exe

description	pid	process	target process
PID 696 wrote to memory of 1220	696	powershell.exe	csc.exe
PID 696 wrote to memory of 1220	696	powershell.exe	csc.exe
PID 1220 wrote to memory of 492	1220	csc.exe	cvtres.exe
PID 1220 wrote to memory of 492	1220	csc.exe	cvtres.exe
PID 696 wrote to memory of 380	696	powershell.exe	RegAsm.exe
PID 696 wrote to memory of 380	696	powershell.exe	RegAsm.exe
PID 696 wrote to memory of 380	696	powershell.exe	RegAsm.exe
PID 696 wrote to memory of 380	696	powershell.exe	RegAsm.exe
PID 696 wrote to memory of 380	696	powershell.exe	RegAsm.exe
PID 696 wrote to memory of 380	696	powershell.exe	RegAsm.exe
PID 696 wrote to memory of 380	696	powershell.exe	RegAsm.exe
PID 696 wrote to memory of 380	696	powershell.exe	RegAsm.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\0f66ff679ac2376c3f317f09cce13220.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:696

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\gfxgqkwd\gfxgqkwd.cmdline"
2⤵
- Suspicious use of WriteProcessMemory
PID:1220

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES71D4.tmp" "c:\Users\Admin\AppData\Local\Temp\gfxgqkwd\CSC60621704D7BF412190F670173F9D22D1.TMP"
3⤵
PID:492

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:380

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RES71D4.tmp
Filesize
1KB

MD5
2eb01629080eef02d9d17cd14434e0b4

SHA1
a9152115aad8e6cbf38ee47c4be23f8a6643ebcd

SHA256
a936b19d05b9d47196c310b4beb29c83137524e67163a12b7875fada7a9211fb

SHA512
a18e96c23ea805dfe5c07fc83e9f04566ca3368fc2ae15de5495d8c1ee584f2f7d9d0da605d3514802b6f81b6b017250c40cf65f5ea50ae6ad952c8d6f158820

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bksi4e52.dxm.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\gfxgqkwd\gfxgqkwd.dll
Filesize
13KB

MD5
9407e78c3a686af09db12df58e9d6ab5

SHA1
fb4bb68ea0fbb8314813804ba5a5310fbe82cbf5

SHA256
3ac6c35e6be5f6bdbab0071c4daacb9e858a426f6065fbd2307de15301b1244e

SHA512
c887baa67a7ba78d57de9676f53954d2e52ecd34c5c866d0462068c4139ee7ab5e090343292cfe1439959060e0e6895ab87f3384847ae5e0ec4b043b62ec1fc8

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\gfxgqkwd\CSC60621704D7BF412190F670173F9D22D1.TMP
Filesize
652B

MD5
718908942d7ea95d26325f8550aa336c

SHA1
8bcbfad983a6277e31d8127b7f0fee242a21d0a0

SHA256
217c9e06b3f9fc991a8355550947280a3f762dc3f44545d11d1a430454021f2a

SHA512
2d7c4bceb812d34b2c94ef031271bc3660cb0912936805dfb3fbdddfc6f6c91804256d465f095aa9e5a8c64729fb6c615f6510abcc9a67ce12a270e4969c1d98

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\gfxgqkwd\gfxgqkwd.0.cs
Filesize
13KB

MD5
e03b1e7ba7f1a53a7e10c0fd9049f437

SHA1
3bb851a42717eeb588eb7deadfcd04c571c15f41

SHA256
3ca2d456cf2f8d781f2134e1481bd787a9cb6f4bcaa2131ebbe0d47a0eb36427

SHA512
a098a8e2a60a75357ee202ed4bbe6b86fa7b2ebae30574791e0d13dcf3ee95b841a14b51553c23b95af32a29cc2265afc285b3b0442f0454ea730de4d647383f

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\gfxgqkwd\gfxgqkwd.cmdline
Filesize
327B

MD5
7cc161d16c80d015bfad41b64d3f4bbb

SHA1
41583fb7016e631ff539ae8acc98bf8e707048a5

SHA256
f61d343fb46d53631759ac783d0e722f4167136b9fbd40c79a24d6138b6c9494

SHA512
8bd6595268a40e01cecaf72c7187522b14d73bf476c724a98656fdc1a8b91d65ed37814791781ab12410e2ce2b9f597c902c332a8499639f1acb7d50e757e366

Download Submit
memory/380-28-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/380-32-0x0000000074370000-0x0000000074B20000-memory.dmp

Filesize
7.7MB

Download
memory/380-33-0x0000000005740000-0x0000000005750000-memory.dmp

Filesize
64KB

Download
memory/380-34-0x0000000074370000-0x0000000074B20000-memory.dmp

Filesize
7.7MB

Download
memory/380-35-0x0000000005740000-0x0000000005750000-memory.dmp

Filesize
64KB

Download
memory/696-13-0x000001D1580F0000-0x000001D158166000-memory.dmp

Filesize
472KB

Download
memory/696-12-0x000001D157230000-0x000001D157240000-memory.dmp

Filesize
64KB

Download
memory/696-11-0x000001D157230000-0x000001D157240000-memory.dmp

Filesize
64KB

Download
memory/696-10-0x00007FFE7E910000-0x00007FFE7F3D1000-memory.dmp

Filesize
10.8MB

Download
memory/696-26-0x000001D157B70000-0x000001D157B7A000-memory.dmp

Filesize
40KB

Download
memory/696-9-0x000001D157B20000-0x000001D157B42000-memory.dmp

Filesize
136KB

Download
memory/696-31-0x00007FFE7E910000-0x00007FFE7F3D1000-memory.dmp

Filesize
10.8MB

Download

Analysis

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