asyncrat | 75adbfdd47b0e66d0774f54187125345f1ecca5f5a5314287f32c82606300bc7

Analysis

max time kernel
146s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
28/06/2024, 03:30

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General

Target
75adbfdd47b0e66d0774f54187125345f1ecca5f5a5314287f32c82606300bc7_NeikiAnalytics.exe
Size 265KB
Sample240628-d2pe3ayfpd
SHA256 75adbfdd47b0e66d0774f54187125345f1ecca5f5a5314287f32c82606300bc7
MD5 3a0b63cac94e79b0cce28ec93ff52dd0
SHA1 f47c93a086ee50fc45d66a1bebf962b24702effb
SHA512 5a37b035c469dde6ee40a209c6728f2dc791fbe5c1bcd0b30bfa20041f2c6f73b9a0298c46211d27ae0d035f859e9cf7b43f0aa06f7c47db56b20fe52c4da86b
SSDEEP 3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/sK:WFzDqa86hV6uRRqX1evPlwAEK
MD5 SHA1 SHA512 SSDEEP

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 1 IoCs

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

resource	yara_rule
behavioral2/memory/5444-28-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation	75adbfdd47b0e66d0774f54187125345f1ecca5f5a5314287f32c82606300bc7_NeikiAnalytics.exe

Executes dropped EXE 1 IoCs

pid	Process
5200	HiPatchService.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-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HiPatch = "C:\\Users\\Admin\\AppData\\Roaming\\HiPatch\\HiPatchService.exe"	75adbfdd47b0e66d0774f54187125345f1ecca5f5a5314287f32c82606300bc7_NeikiAnalytics.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5200 set thread context of 5444	5200	HiPatchService.exe	96

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	RegAsm.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2928	timeout.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe
5444	RegAsm.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4008 wrote to memory of 5200	4008	75adbfdd47b0e66d0774f54187125345f1ecca5f5a5314287f32c82606300bc7_NeikiAnalytics.exe	92
PID 4008 wrote to memory of 5200	4008	75adbfdd47b0e66d0774f54187125345f1ecca5f5a5314287f32c82606300bc7_NeikiAnalytics.exe	92
PID 4008 wrote to memory of 5200	4008	75adbfdd47b0e66d0774f54187125345f1ecca5f5a5314287f32c82606300bc7_NeikiAnalytics.exe	92
PID 4008 wrote to memory of 2036	4008	75adbfdd47b0e66d0774f54187125345f1ecca5f5a5314287f32c82606300bc7_NeikiAnalytics.exe	93
PID 4008 wrote to memory of 2036	4008	75adbfdd47b0e66d0774f54187125345f1ecca5f5a5314287f32c82606300bc7_NeikiAnalytics.exe	93
PID 4008 wrote to memory of 2036	4008	75adbfdd47b0e66d0774f54187125345f1ecca5f5a5314287f32c82606300bc7_NeikiAnalytics.exe	93
PID 2036 wrote to memory of 2928	2036	cmd.exe	95
PID 2036 wrote to memory of 2928	2036	cmd.exe	95
PID 2036 wrote to memory of 2928	2036	cmd.exe	95
PID 5200 wrote to memory of 5444	5200	HiPatchService.exe	96
PID 5200 wrote to memory of 5444	5200	HiPatchService.exe	96
PID 5200 wrote to memory of 5444	5200	HiPatchService.exe	96
PID 5200 wrote to memory of 5444	5200	HiPatchService.exe	96
PID 5200 wrote to memory of 5444	5200	HiPatchService.exe	96
PID 5200 wrote to memory of 5444	5200	HiPatchService.exe	96
PID 5200 wrote to memory of 5444	5200	HiPatchService.exe	96
PID 5200 wrote to memory of 5444	5200	HiPatchService.exe	96

C:\Users\Admin\AppData\Local\Temp\75adbfdd47b0e66d0774f54187125345f1ecca5f5a5314287f32c82606300bc7_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\75adbfdd47b0e66d0774f54187125345f1ecca5f5a5314287f32c82606300bc7_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4008
- 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 use of WriteProcessMemory
  PID:5200
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:5444
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2036
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 180
    3⤵
    - Delays execution with timeout.exe
    PID:2928

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:2804

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

HiPatchService.bat

Path C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.bat
Size 213B
SHA256 9092dbb1ca1767d1966b7f79349dd95a802a68248251bf070c0f1d74d5681d71
MD5 0955cb4b691d44b37f8b6fad48a33b8e
SHA1 9dae759ae014cc124ab6eed7c8035788c124ae4a
SHA512 08b868a028c1e8d29ed643416850df16f58d44668f9193b46bd3934965e5617a0a4015fc52815c5456023dbde01023450d295b76d936a936f26b602e764b0235
MD5 SHA1 SHA512

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HiPatchService.exe

Path C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe
Size 265KB
SHA256 f9d8fbeb043bcc7ad32bc3286a43c9f0b5edf6127fd7018605445028b0c339ed
MD5 9ad8a036230e431d9c9ca7a9350d3327
SHA1 1b98c9bd30ed02f3dabb7bc52c55c3b8bca83e03
SHA512 a37fe9f12b4e673c519aa9ff3f1a74c29a71f09846212ce79a0c13c04568affb1ead75de893ff9846202197ced3bc0dafbaf30b397c23c334302c56f88f77516
SSDEEP 3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/sE:WFzDqa86hV6uRRqX1evPlwAEE
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/4008-6-0x00000000051D0000-0x00000000051DA000-memory.dmp

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memory/4008-3-0x00000000051E0000-0x0000000005272000-memory.dmp

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memory/4008-4-0x0000000005370000-0x000000000537A000-memory.dmp

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memory/4008-5-0x0000000075310000-0x0000000075AC0000-memory.dmp

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memory/4008-0-0x000000007531E000-0x000000007531F000-memory.dmp

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memory/4008-2-0x00000000056F0000-0x0000000005C94000-memory.dmp

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memory/4008-25-0x0000000075310000-0x0000000075AC0000-memory.dmp

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memory/4008-1-0x0000000000790000-0x00000000007D6000-memory.dmp

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memory/5200-24-0x0000000075310000-0x0000000075AC0000-memory.dmp

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memory/5200-27-0x0000000075310000-0x0000000075AC0000-memory.dmp

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memory/5200-30-0x0000000075310000-0x0000000075AC0000-memory.dmp

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memory/5444-28-0x0000000000400000-0x0000000000430000-memory.dmp

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