asyncrat | 916778d1feed61663c9e8f5c078d00c336ac87a82b685ccb32dbe7ec379576d9

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
23-07-2024 00:18

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General

Target

916778d1feed61663c9e8f5c078d00c336ac87a82b685ccb32dbe7ec379576d9.exe
Size

266KB
MD5

67882cbc280299f97f801585d1e3eb0c
SHA1

19b1072622634494ec95a85d4521c32e5c7a8647
SHA256

916778d1feed61663c9e8f5c078d00c336ac87a82b685ccb32dbe7ec379576d9
SHA512

aeea3d8f56dc7a1ade886fb6b63f66896f1c9c1f19f8b61155a34f3b7aefe50d59bcfa01943914c03a292a16a694111b103efc7c07e8e927c8f5787dac7827bf
SSDEEP

3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8V:WFzDqa86hV6uRRqX1evPlwAEI

Score

10^/10

asyncrat persistence rat

Malware Config

Signatures

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

Contains code to disable Windows Defender 5 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

resource	yara_rule
behavioral1/memory/876-34-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def
behavioral1/memory/876-36-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def
behavioral1/memory/876-35-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def
behavioral1/memory/876-31-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def
behavioral1/memory/876-29-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def

Executes dropped EXE 1 IoCs

pid	Process
2764	HiPatchService.exe

Loads dropped DLL 1 IoCs

pid	Process
2832	916778d1feed61663c9e8f5c078d00c336ac87a82b685ccb32dbe7ec379576d9.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-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\HiPatch = "C:\\Users\\Admin\\AppData\\Roaming\\HiPatch\\HiPatchService.exe"	916778d1feed61663c9e8f5c078d00c336ac87a82b685ccb32dbe7ec379576d9.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 876	2764	HiPatchService.exe	35

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2764	HiPatchService.exe
2764	HiPatchService.exe
876	RegAsm.exe
876	RegAsm.exe
876	RegAsm.exe
876	RegAsm.exe
876	RegAsm.exe
876	RegAsm.exe
876	RegAsm.exe
876	RegAsm.exe
876	RegAsm.exe
876	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2764	HiPatchService.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2832 wrote to memory of 2764	2832	916778d1feed61663c9e8f5c078d00c336ac87a82b685ccb32dbe7ec379576d9.exe	31
PID 2832 wrote to memory of 2764	2832	916778d1feed61663c9e8f5c078d00c336ac87a82b685ccb32dbe7ec379576d9.exe	31
PID 2832 wrote to memory of 2764	2832	916778d1feed61663c9e8f5c078d00c336ac87a82b685ccb32dbe7ec379576d9.exe	31
PID 2832 wrote to memory of 2764	2832	916778d1feed61663c9e8f5c078d00c336ac87a82b685ccb32dbe7ec379576d9.exe	31
PID 2832 wrote to memory of 2764	2832	916778d1feed61663c9e8f5c078d00c336ac87a82b685ccb32dbe7ec379576d9.exe	31
PID 2832 wrote to memory of 2764	2832	916778d1feed61663c9e8f5c078d00c336ac87a82b685ccb32dbe7ec379576d9.exe	31
PID 2832 wrote to memory of 2764	2832	916778d1feed61663c9e8f5c078d00c336ac87a82b685ccb32dbe7ec379576d9.exe	31
PID 2832 wrote to memory of 2560	2832	916778d1feed61663c9e8f5c078d00c336ac87a82b685ccb32dbe7ec379576d9.exe	32
PID 2832 wrote to memory of 2560	2832	916778d1feed61663c9e8f5c078d00c336ac87a82b685ccb32dbe7ec379576d9.exe	32
PID 2832 wrote to memory of 2560	2832	916778d1feed61663c9e8f5c078d00c336ac87a82b685ccb32dbe7ec379576d9.exe	32
PID 2832 wrote to memory of 2560	2832	916778d1feed61663c9e8f5c078d00c336ac87a82b685ccb32dbe7ec379576d9.exe	32
PID 2832 wrote to memory of 2560	2832	916778d1feed61663c9e8f5c078d00c336ac87a82b685ccb32dbe7ec379576d9.exe	32
PID 2832 wrote to memory of 2560	2832	916778d1feed61663c9e8f5c078d00c336ac87a82b685ccb32dbe7ec379576d9.exe	32
PID 2832 wrote to memory of 2560	2832	916778d1feed61663c9e8f5c078d00c336ac87a82b685ccb32dbe7ec379576d9.exe	32
PID 2764 wrote to memory of 584	2764	HiPatchService.exe	34
PID 2764 wrote to memory of 584	2764	HiPatchService.exe	34
PID 2764 wrote to memory of 584	2764	HiPatchService.exe	34
PID 2764 wrote to memory of 584	2764	HiPatchService.exe	34
PID 2764 wrote to memory of 584	2764	HiPatchService.exe	34
PID 2764 wrote to memory of 584	2764	HiPatchService.exe	34
PID 2764 wrote to memory of 584	2764	HiPatchService.exe	34
PID 2764 wrote to memory of 876	2764	HiPatchService.exe	35
PID 2764 wrote to memory of 876	2764	HiPatchService.exe	35
PID 2764 wrote to memory of 876	2764	HiPatchService.exe	35
PID 2764 wrote to memory of 876	2764	HiPatchService.exe	35
PID 2764 wrote to memory of 876	2764	HiPatchService.exe	35
PID 2764 wrote to memory of 876	2764	HiPatchService.exe	35
PID 2764 wrote to memory of 876	2764	HiPatchService.exe	35
PID 2764 wrote to memory of 876	2764	HiPatchService.exe	35
PID 2764 wrote to memory of 876	2764	HiPatchService.exe	35
PID 2764 wrote to memory of 876	2764	HiPatchService.exe	35
PID 2764 wrote to memory of 876	2764	HiPatchService.exe	35
PID 2764 wrote to memory of 876	2764	HiPatchService.exe	35

C:\Users\Admin\AppData\Local\Temp\916778d1feed61663c9e8f5c078d00c336ac87a82b685ccb32dbe7ec379576d9.exe
"C:\Users\Admin\AppData\Local\Temp\916778d1feed61663c9e8f5c078d00c336ac87a82b685ccb32dbe7ec379576d9.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2832
- C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe
  "C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2764
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    PID:584
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:876
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.bat""
  2⤵
  PID:2560

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:2412

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 Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.bat

Filesize
213B

MD5
0955cb4b691d44b37f8b6fad48a33b8e

SHA1
9dae759ae014cc124ab6eed7c8035788c124ae4a

SHA256
9092dbb1ca1767d1966b7f79349dd95a802a68248251bf070c0f1d74d5681d71

SHA512
08b868a028c1e8d29ed643416850df16f58d44668f9193b46bd3934965e5617a0a4015fc52815c5456023dbde01023450d295b76d936a936f26b602e764b0235

Download Submit
\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe

Filesize
266KB

MD5
710c055774cb76bc854463002a5be087

SHA1
543ba41e276c13e3c08ee7960b2c7863fd8f8d11

SHA256
0f1e73a04d0cea72675fc6f3bf43dee4afc35c30625e7bc4b0c7237e264b429d

SHA512
8bac783d7cbd4faa3f4a4ba86489f936ad5504769a678de8dec9e4d57e21c0e2859d78e73b0a535fe6d8ebc5df09fa082d8542811d8856afd55fc99ed84ca532

Download Submit
memory/876-35-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/876-34-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/876-25-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/876-29-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/876-31-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/876-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/876-36-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/876-28-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2764-21-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/2764-22-0x0000000000EB0000-0x0000000000EF6000-memory.dmp

Filesize
280KB

Download
memory/2764-37-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/2832-23-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/2832-0-0x000000007467E000-0x000000007467F000-memory.dmp

Filesize
4KB

Download
memory/2832-3-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/2832-1-0x0000000000190000-0x00000000001D6000-memory.dmp

Filesize
280KB

Download
memory/2832-2-0x0000000000250000-0x000000000025A000-memory.dmp

Filesize
40KB

Download