asyncrat | 0dbe8c82a5aa9e855a45066018b480d786054c810cb611465cc6cfa0bec2e8ba

General

Target

0dbe8c82a5aa9e855a45066018b480d786054c810cb611465cc6cfa0bec2e8baN.exe
Size

270KB
MD5

7a2b59d94c4497ffd26c841d481ae970
SHA1

04a664510872b3a4d04de6161f08196ae08290bc
SHA256

0dbe8c82a5aa9e855a45066018b480d786054c810cb611465cc6cfa0bec2e8ba
SHA512

d0b5b442e8221a9b989ac772d474020d5d2ebcb94f198612b5752cf28cf1e106b7b1ad1839f97f9b8ea04300ca94c9cdbc0c48e106d081553de33d3ba2d16196
SSDEEP

3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sde:WFzDqa86hV6uRRqX1evPlwAEde

Score

10^/10

asyncrat discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.4.9G

C2

corporation.warzonedns.com:9341

Mutex

480-28105c055659

Attributes

delay
0
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Asyncrat family
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/1628-36-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def
behavioral1/memory/1628-35-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def
behavioral1/memory/1628-34-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def
behavioral1/memory/1628-31-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def
behavioral1/memory/1628-29-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def

Executes dropped EXE 1 IoCs

pid	Process
2584	HiPatchService.exe

Loads dropped DLL 1 IoCs

pid	Process
1524	0dbe8c82a5aa9e855a45066018b480d786054c810cb611465cc6cfa0bec2e8baN.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\HiPatch = "C:\\Users\\Admin\\AppData\\Roaming\\HiPatch\\HiPatchService.exe"	0dbe8c82a5aa9e855a45066018b480d786054c810cb611465cc6cfa0bec2e8baN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2584 set thread context of 1628	2584	HiPatchService.exe	33

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	HiPatchService.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0dbe8c82a5aa9e855a45066018b480d786054c810cb611465cc6cfa0bec2e8baN.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1628	RegAsm.exe
1628	RegAsm.exe
1628	RegAsm.exe
1628	RegAsm.exe
1628	RegAsm.exe
1628	RegAsm.exe
1628	RegAsm.exe
1628	RegAsm.exe
1628	RegAsm.exe
1628	RegAsm.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 2584	1524	0dbe8c82a5aa9e855a45066018b480d786054c810cb611465cc6cfa0bec2e8baN.exe	30
PID 1524 wrote to memory of 2584	1524	0dbe8c82a5aa9e855a45066018b480d786054c810cb611465cc6cfa0bec2e8baN.exe	30
PID 1524 wrote to memory of 2584	1524	0dbe8c82a5aa9e855a45066018b480d786054c810cb611465cc6cfa0bec2e8baN.exe	30
PID 1524 wrote to memory of 2584	1524	0dbe8c82a5aa9e855a45066018b480d786054c810cb611465cc6cfa0bec2e8baN.exe	30
PID 1524 wrote to memory of 2584	1524	0dbe8c82a5aa9e855a45066018b480d786054c810cb611465cc6cfa0bec2e8baN.exe	30
PID 1524 wrote to memory of 2584	1524	0dbe8c82a5aa9e855a45066018b480d786054c810cb611465cc6cfa0bec2e8baN.exe	30
PID 1524 wrote to memory of 2584	1524	0dbe8c82a5aa9e855a45066018b480d786054c810cb611465cc6cfa0bec2e8baN.exe	30
PID 1524 wrote to memory of 2856	1524	0dbe8c82a5aa9e855a45066018b480d786054c810cb611465cc6cfa0bec2e8baN.exe	31
PID 1524 wrote to memory of 2856	1524	0dbe8c82a5aa9e855a45066018b480d786054c810cb611465cc6cfa0bec2e8baN.exe	31
PID 1524 wrote to memory of 2856	1524	0dbe8c82a5aa9e855a45066018b480d786054c810cb611465cc6cfa0bec2e8baN.exe	31
PID 1524 wrote to memory of 2856	1524	0dbe8c82a5aa9e855a45066018b480d786054c810cb611465cc6cfa0bec2e8baN.exe	31
PID 1524 wrote to memory of 2856	1524	0dbe8c82a5aa9e855a45066018b480d786054c810cb611465cc6cfa0bec2e8baN.exe	31
PID 1524 wrote to memory of 2856	1524	0dbe8c82a5aa9e855a45066018b480d786054c810cb611465cc6cfa0bec2e8baN.exe	31
PID 1524 wrote to memory of 2856	1524	0dbe8c82a5aa9e855a45066018b480d786054c810cb611465cc6cfa0bec2e8baN.exe	31
PID 2584 wrote to memory of 1628	2584	HiPatchService.exe	33
PID 2584 wrote to memory of 1628	2584	HiPatchService.exe	33
PID 2584 wrote to memory of 1628	2584	HiPatchService.exe	33
PID 2584 wrote to memory of 1628	2584	HiPatchService.exe	33
PID 2584 wrote to memory of 1628	2584	HiPatchService.exe	33
PID 2584 wrote to memory of 1628	2584	HiPatchService.exe	33
PID 2584 wrote to memory of 1628	2584	HiPatchService.exe	33
PID 2584 wrote to memory of 1628	2584	HiPatchService.exe	33
PID 2584 wrote to memory of 1628	2584	HiPatchService.exe	33
PID 2584 wrote to memory of 1628	2584	HiPatchService.exe	33
PID 2584 wrote to memory of 1628	2584	HiPatchService.exe	33
PID 2584 wrote to memory of 1628	2584	HiPatchService.exe	33

C:\Users\Admin\AppData\Local\Temp\0dbe8c82a5aa9e855a45066018b480d786054c810cb611465cc6cfa0bec2e8baN.exe
"C:\Users\Admin\AppData\Local\Temp\0dbe8c82a5aa9e855a45066018b480d786054c810cb611465cc6cfa0bec2e8baN.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1524
- C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe
  "C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2584
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:1628
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2856

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:1496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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
270KB

MD5
82a2a979d2928ce078ab2f55912893ee

SHA1
b4d2cc24f83b2a7beec8242d0033f74cbf57c80b

SHA256
d146d953e01bfbb2120d1f35ef3d6278d62dfbb0ec495164982a4bab3232f3ae

SHA512
0fefff531c6f2e670a992dc500479639d0a3ddbb4d57adc04bead25422d1815dcc2ffe3130fcbaef0593ab9b56eb646e4873569558eb6c26e5cfe76b958c9093

Download Submit
memory/1524-24-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/1524-1-0x0000000000E70000-0x0000000000EB6000-memory.dmp

Filesize
280KB

Download
memory/1524-2-0x0000000000200000-0x000000000020A000-memory.dmp

Filesize
40KB

Download
memory/1524-3-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/1524-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download
memory/1628-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1628-36-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1628-35-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1628-34-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1628-31-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1628-27-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1628-25-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1628-29-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2584-22-0x0000000000AD0000-0x0000000000B16000-memory.dmp

Filesize
280KB

Download
memory/2584-21-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/2584-37-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads