asyncrat | 3a854a86cb00b76c36b5c41e2d8e1f08a8f12ab98c2105690d78e3c65b717e8f

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 06:00

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General

Target

3a854a86cb00b76c36b5c41e2d8e1f08a8f12ab98c2105690d78e3c65b717e8f_NeikiAnalytics.exe
Size

266KB
MD5

77a611fd524d39d270036a0d8a8bce30
SHA1

680368e32a8696085d3c83ab13fce90aa6a22e3b
SHA256

3a854a86cb00b76c36b5c41e2d8e1f08a8f12ab98c2105690d78e3c65b717e8f
SHA512

86bd7fc3f5cc6b270630928a5d73301688ad61ffe91238f96699eadd840f60f28af3d2d4bd80fe7a1da88fe9e5268ba3640db1d4535b575c38faf9ee61c0d08e
SSDEEP

3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/sc:WFzDqa86hV6uRRqX1evPlwAEc

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.

Processes:

resource yara_rule

behavioral2/memory/4672-29-0x0000000000400000-0x0000000000430000-memory.dmp disable_win_def

resource	yara_rule
behavioral2/memory/4672-29-0x0000000000400000-0x0000000000430000-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

Processes:

3a854a86cb00b76c36b5c41e2d8e1f08a8f12ab98c2105690d78e3c65b717e8f_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	3a854a86cb00b76c36b5c41e2d8e1f08a8f12ab98c2105690d78e3c65b717e8f_NeikiAnalytics.exe

Executes dropped EXE 1 IoCs

Processes:

HiPatchService.exe

pid process

3156 HiPatchService.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3a854a86cb00b76c36b5c41e2d8e1f08a8f12ab98c2105690d78e3c65b717e8f_NeikiAnalytics.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HiPatch = "C:\\Users\\Admin\\AppData\\Roaming\\HiPatch\\HiPatchService.exe"	3a854a86cb00b76c36b5c41e2d8e1f08a8f12ab98c2105690d78e3c65b717e8f_NeikiAnalytics.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

HiPatchService.exe

description pid process target process

PID 3156 set thread context of 4672 3156 HiPatchService.exe RegAsm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 3156 set thread context of 4672	3156	HiPatchService.exe	RegAsm.exe

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

Processes:

RegAsm.exe

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

Processes:

timeout.exe

pid process

3928 timeout.exe

pid	process
3928	timeout.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

HiPatchService.exeRegAsm.exe

pid	process
3156	HiPatchService.exe
3156	HiPatchService.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe
4672	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

HiPatchService.exe

description pid process

Token: SeDebugPrivilege 3156 HiPatchService.exe

description	pid	process
Token: SeDebugPrivilege	3156	HiPatchService.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

3a854a86cb00b76c36b5c41e2d8e1f08a8f12ab98c2105690d78e3c65b717e8f_NeikiAnalytics.execmd.exeHiPatchService.exe

description	pid	process	target process
PID 4516 wrote to memory of 3156	4516	3a854a86cb00b76c36b5c41e2d8e1f08a8f12ab98c2105690d78e3c65b717e8f_NeikiAnalytics.exe	HiPatchService.exe
PID 4516 wrote to memory of 3156	4516	3a854a86cb00b76c36b5c41e2d8e1f08a8f12ab98c2105690d78e3c65b717e8f_NeikiAnalytics.exe	HiPatchService.exe
PID 4516 wrote to memory of 3156	4516	3a854a86cb00b76c36b5c41e2d8e1f08a8f12ab98c2105690d78e3c65b717e8f_NeikiAnalytics.exe	HiPatchService.exe
PID 4516 wrote to memory of 972	4516	3a854a86cb00b76c36b5c41e2d8e1f08a8f12ab98c2105690d78e3c65b717e8f_NeikiAnalytics.exe	cmd.exe
PID 4516 wrote to memory of 972	4516	3a854a86cb00b76c36b5c41e2d8e1f08a8f12ab98c2105690d78e3c65b717e8f_NeikiAnalytics.exe	cmd.exe
PID 4516 wrote to memory of 972	4516	3a854a86cb00b76c36b5c41e2d8e1f08a8f12ab98c2105690d78e3c65b717e8f_NeikiAnalytics.exe	cmd.exe
PID 972 wrote to memory of 3928	972	cmd.exe	timeout.exe
PID 972 wrote to memory of 3928	972	cmd.exe	timeout.exe
PID 972 wrote to memory of 3928	972	cmd.exe	timeout.exe
PID 3156 wrote to memory of 3400	3156	HiPatchService.exe	RegAsm.exe
PID 3156 wrote to memory of 3400	3156	HiPatchService.exe	RegAsm.exe
PID 3156 wrote to memory of 3400	3156	HiPatchService.exe	RegAsm.exe
PID 3156 wrote to memory of 4672	3156	HiPatchService.exe	RegAsm.exe
PID 3156 wrote to memory of 4672	3156	HiPatchService.exe	RegAsm.exe
PID 3156 wrote to memory of 4672	3156	HiPatchService.exe	RegAsm.exe
PID 3156 wrote to memory of 4672	3156	HiPatchService.exe	RegAsm.exe
PID 3156 wrote to memory of 4672	3156	HiPatchService.exe	RegAsm.exe
PID 3156 wrote to memory of 4672	3156	HiPatchService.exe	RegAsm.exe
PID 3156 wrote to memory of 4672	3156	HiPatchService.exe	RegAsm.exe
PID 3156 wrote to memory of 4672	3156	HiPatchService.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\3a854a86cb00b76c36b5c41e2d8e1f08a8f12ab98c2105690d78e3c65b717e8f_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\3a854a86cb00b76c36b5c41e2d8e1f08a8f12ab98c2105690d78e3c65b717e8f_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4516

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:3156

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
PID:3400

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:4672

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:972

C:\Windows\SysWOW64\timeout.exe
timeout /t 180
3⤵
- Delays execution with timeout.exe
PID:3928

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:3564

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4220 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
1⤵
PID:1812

Network

MITRE ATT&CK Matrix ATT&CK v13

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
C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe
Filesize
266KB

MD5
f506c100d46b2fb913efa5c2e058a65d

SHA1
3c82413cf672764f26bf9a6bcef5313a2e37dcf4

SHA256
0b06eb3a131398e77b0dee5834aa6fca9370e1ab2e87fc599b5abbc6c40b22a0

SHA512
fca27e728d1bfc361a9dbcf3a6bbcb1a8475598519f69dd389c396cd90324903dcae0851e7157cc4b6f15d50c08ed51decea2889ada864652bb501899c84c197

Download Submit
memory/3156-31-0x0000000074A40000-0x00000000751F0000-memory.dmp

Filesize
7.7MB

Download
memory/3156-25-0x0000000074A40000-0x00000000751F0000-memory.dmp

Filesize
7.7MB

Download
memory/3156-22-0x0000000074A40000-0x00000000751F0000-memory.dmp

Filesize
7.7MB

Download
memory/4516-6-0x00000000058C0000-0x00000000058CA000-memory.dmp

Filesize
40KB

Download
memory/4516-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

Filesize
4KB

Download
memory/4516-5-0x00000000058D0000-0x00000000058DA000-memory.dmp

Filesize
40KB

Download
memory/4516-4-0x0000000074A40000-0x00000000751F0000-memory.dmp

Filesize
7.7MB

Download
memory/4516-24-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

Filesize
4KB

Download
memory/4516-3-0x0000000005910000-0x00000000059A2000-memory.dmp

Filesize
584KB

Download
memory/4516-2-0x0000000005E20000-0x00000000063C4000-memory.dmp

Filesize
5.6MB

Download
memory/4516-28-0x0000000074A40000-0x00000000751F0000-memory.dmp

Filesize
7.7MB

Download
memory/4516-1-0x0000000000E80000-0x0000000000EC6000-memory.dmp

Filesize
280KB

Download
memory/4672-29-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download