asyncrat | ad822394ecd393272d3d1ba77306e502ee90259f4c328dab80e9d6b5e4bd363f

Analysis

max time kernel
96s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-12-2024 15:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

file.exe
Size

2.2MB
MD5

1d3f1b333a438438193b1d29731fd607
SHA1

0c8852028d925fc940ad1fcccc7539bf3c0db92c
SHA256

ad822394ecd393272d3d1ba77306e502ee90259f4c328dab80e9d6b5e4bd363f
SHA512

b9008ef7fc8aadc92fe20df3d3081a06bc561491b3aaac35caaf256f136e8c95c248d1622112ef08cc415f0b6efe10055b4cc31d9b1f88b508c64b688e8f561d
SSDEEP

49152:C3YMeBr/pNfVrjepcpNHrMS0p1K4Gsu08+nzgc:IeBr/pNfVvepwaR

Score

10^/10

asyncrat stormkitty discovery persistence 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
behavioral1/memory/4520-1203-0x0000000000400000-0x0000000000704000-memory.dmp	family_stormkitty

Stormkitty family
stormkitty

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 408 created 3464	408	roomscience.exe	54

Executes dropped EXE 1 IoCs

pid	Process
408	roomscience.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\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	file.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 408 set thread context of 4520	408	roomscience.exe	92

System Location Discovery: System Language Discovery 1 TTPs 2 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	roomscience.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
408	roomscience.exe
4520	MSBuild.exe
4520	MSBuild.exe
4520	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	408	roomscience.exe
Token: SeDebugPrivilege	408	roomscience.exe
Token: SeDebugPrivilege	4520	MSBuild.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4520	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 408	2368	file.exe	82
PID 2368 wrote to memory of 408	2368	file.exe	82
PID 2368 wrote to memory of 408	2368	file.exe	82
PID 408 wrote to memory of 4520	408	roomscience.exe	92
PID 408 wrote to memory of 4520	408	roomscience.exe	92
PID 408 wrote to memory of 4520	408	roomscience.exe	92
PID 408 wrote to memory of 4520	408	roomscience.exe	92
PID 408 wrote to memory of 4520	408	roomscience.exe	92
PID 408 wrote to memory of 4520	408	roomscience.exe	92
PID 408 wrote to memory of 4520	408	roomscience.exe	92
PID 408 wrote to memory of 4520	408	roomscience.exe	92

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3464
- C:\Users\Admin\AppData\Local\Temp\file.exe
  "C:\Users\Admin\AppData\Local\Temp\file.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\roomscience.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\roomscience.exe
    3⤵
    - Suspicious use of NtCreateUserProcessOtherParentProcess
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:408
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\roomscience.exe

Filesize
2.3MB

MD5
6686485b91f2f50fbdeb53b83acd3a87

SHA1
1fcf914c4e3711332b0a62308082645b4f8bfbb8

SHA256
605f8e4d0bc1f92c5bc9b0e37377c8e18226b1e2b4c61c0a0531ba865d66e43c

SHA512
588762f9d07ea4887b37f7a217d22ce9061449d17bdc7948d1fdb0139315d7d56c0cc30b28dafd2f33358d17e18ea452af5bb7fab6f99e8b7d7aabbbc3236924

Download Submit
memory/408-5-0x000000007531E000-0x000000007531F000-memory.dmp

Filesize
4KB

Download
memory/408-6-0x0000000000A80000-0x0000000000CE0000-memory.dmp

Filesize
2.4MB

Download
memory/408-7-0x0000000005580000-0x000000000577E000-memory.dmp

Filesize
2.0MB

Download
memory/408-8-0x0000000005D30000-0x00000000062D4000-memory.dmp

Filesize
5.6MB

Download
memory/408-9-0x0000000005830000-0x00000000058C2000-memory.dmp

Filesize
584KB

Download
memory/408-15-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-17-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-65-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-57-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-49-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-43-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-41-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-39-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-37-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-35-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-33-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-29-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-27-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-25-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-23-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-19-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-45-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-13-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-31-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-11-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-21-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-10-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-71-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-73-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-69-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-67-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-63-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-61-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-59-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-55-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-53-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-51-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-47-0x0000000005580000-0x0000000005779000-memory.dmp

Filesize
2.0MB

Download
memory/408-1186-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/408-1187-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/408-1188-0x0000000005AF0000-0x0000000005C5E000-memory.dmp

Filesize
1.4MB

Download
memory/408-1189-0x00000000058D0000-0x000000000591C000-memory.dmp

Filesize
304KB

Download
memory/408-1190-0x000000007531E000-0x000000007531F000-memory.dmp

Filesize
4KB

Download
memory/408-1191-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/408-1192-0x0000000005A50000-0x0000000005AA4000-memory.dmp

Filesize
336KB

Download
memory/408-1196-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/408-1198-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/408-1201-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/408-1200-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/4520-1202-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/4520-1203-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/4520-1204-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/4520-1205-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/4520-1206-0x0000000005810000-0x000000000581A000-memory.dmp

Filesize
40KB

Download
memory/4520-1209-0x0000000006B60000-0x0000000006BFC000-memory.dmp

Filesize
624KB

Download
memory/4520-1210-0x0000000006650000-0x00000000066B6000-memory.dmp

Filesize
408KB

Download
memory/4520-1211-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/4520-1212-0x0000000006EF0000-0x0000000006F12000-memory.dmp

Filesize
136KB

Download
memory/4520-1213-0x0000000006F20000-0x0000000007274000-memory.dmp

Filesize
3.3MB

Download
memory/4520-1214-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/4520-1215-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/4520-1216-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/4520-1217-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download