asyncrat | 49411006b41b80835875edfd5671119a03441d1974132d6e72601ac64271cf92

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
31/05/2024, 16:09

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General

Target
6ea5d97f2a97f68cd8dd470567d77900_NeikiAnalytics.exe
Size 265KB
Sample240531-tl5p4sec37
SHA256 49411006b41b80835875edfd5671119a03441d1974132d6e72601ac64271cf92
MD5 6ea5d97f2a97f68cd8dd470567d77900
SHA1 8480c99b804c8355041d1ec75f874e0aced7866e
SHA512 41487eb9683f84fe42936b26cf6d307fe00a26ff5f5ccdcb610f795907d9f581bcf217345ef986f251baccb1144a2129d9c795ae63984d077a5bfbb9207f289e
SSDEEP 3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/se:WFzDqa86hV6uRRqX1evPlwAEe
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/4216-28-0x0000000000400000-0x0000000000430000-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-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	6ea5d97f2a97f68cd8dd470567d77900_NeikiAnalytics.exe

Executes dropped EXE 1 IoCs

pid	Process
4268	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-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HiPatch = "C:\\Users\\Admin\\AppData\\Roaming\\HiPatch\\HiPatchService.exe"	6ea5d97f2a97f68cd8dd470567d77900_NeikiAnalytics.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4268 set thread context of 4216	4268	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
5108	timeout.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
4268	HiPatchService.exe
4268	HiPatchService.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe
4216	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4268	HiPatchService.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1496 wrote to memory of 4268	1496	6ea5d97f2a97f68cd8dd470567d77900_NeikiAnalytics.exe	89
PID 1496 wrote to memory of 4268	1496	6ea5d97f2a97f68cd8dd470567d77900_NeikiAnalytics.exe	89
PID 1496 wrote to memory of 4268	1496	6ea5d97f2a97f68cd8dd470567d77900_NeikiAnalytics.exe	89
PID 1496 wrote to memory of 3328	1496	6ea5d97f2a97f68cd8dd470567d77900_NeikiAnalytics.exe	90
PID 1496 wrote to memory of 3328	1496	6ea5d97f2a97f68cd8dd470567d77900_NeikiAnalytics.exe	90
PID 1496 wrote to memory of 3328	1496	6ea5d97f2a97f68cd8dd470567d77900_NeikiAnalytics.exe	90
PID 3328 wrote to memory of 5108	3328	cmd.exe	92
PID 3328 wrote to memory of 5108	3328	cmd.exe	92
PID 3328 wrote to memory of 5108	3328	cmd.exe	92
PID 4268 wrote to memory of 2636	4268	HiPatchService.exe	95
PID 4268 wrote to memory of 2636	4268	HiPatchService.exe	95
PID 4268 wrote to memory of 2636	4268	HiPatchService.exe	95
PID 4268 wrote to memory of 4216	4268	HiPatchService.exe	96
PID 4268 wrote to memory of 4216	4268	HiPatchService.exe	96
PID 4268 wrote to memory of 4216	4268	HiPatchService.exe	96
PID 4268 wrote to memory of 4216	4268	HiPatchService.exe	96
PID 4268 wrote to memory of 4216	4268	HiPatchService.exe	96
PID 4268 wrote to memory of 4216	4268	HiPatchService.exe	96
PID 4268 wrote to memory of 4216	4268	HiPatchService.exe	96
PID 4268 wrote to memory of 4216	4268	HiPatchService.exe	96

C:\Users\Admin\AppData\Local\Temp\6ea5d97f2a97f68cd8dd470567d77900_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\6ea5d97f2a97f68cd8dd470567d77900_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1496
- 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:4268
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    PID:2636
- - 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:4216
- 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:3328
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 180
    3⤵
    - Delays execution with timeout.exe
    PID:5108

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:2064

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 06f1d3cc4e61cabb293371d3327280aae791b387c5fec6eb202a63d4e827ef39
MD5 f6e635eb191398c96793421ec1e90bf6
SHA1 5f9027f2abb952bf8cccb9a85ba11ab5c3d007b7
SHA512 6f9dcf0b902ed27aa0cd4fe6f3fe30222ab831f8a83eac3e3a2ec9ee7f1d24f7296fb107a94dd438183c12d0512751e39f20bd5f39ae47659798f42a3b991e88
SSDEEP 3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/sC:WFzDqa86hV6uRRqX1evPlwAEC
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1496-6-0x0000000004CE0000-0x0000000004CEA000-memory.dmp

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memory/1496-3-0x0000000004D50000-0x0000000004DE2000-memory.dmp

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memory/1496-4-0x0000000004D00000-0x0000000004D0A000-memory.dmp

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memory/1496-5-0x00000000748A0000-0x0000000075050000-memory.dmp

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memory/1496-0-0x00000000748AE000-0x00000000748AF000-memory.dmp

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memory/1496-2-0x0000000005260000-0x0000000005804000-memory.dmp

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memory/1496-24-0x00000000748A0000-0x0000000075050000-memory.dmp

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memory/1496-1-0x00000000002E0000-0x0000000000326000-memory.dmp

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memory/4216-28-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/4268-25-0x00000000748A0000-0x0000000075050000-memory.dmp

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memory/4268-27-0x00000000748A0000-0x0000000075050000-memory.dmp

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memory/4268-30-0x00000000748A0000-0x0000000075050000-memory.dmp

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