asyncrat | 9ce4aff682a4faa9c09793f5a0f09db075786fe2d3098acf7553c62df22fa766

General

Target

9ce4aff682a4faa9c09793f5a0f09db075786fe2d3098acf7553c62df22fa766.exe
Size

87KB
MD5

1ac438d233f333474b959f8c0cb719af
SHA1

9e64e2e4c3f295829a57810853a112b567209301
SHA256

9ce4aff682a4faa9c09793f5a0f09db075786fe2d3098acf7553c62df22fa766
SHA512

c5fb1dcf19be5dd5f1526b5a3572ae7fbd7efe63453cb7b5babd7d494d48b8c264d0c302658976a50b1b8d2f52874765631d6b9b64f5f1903bf674af81ca3990
SSDEEP

1536:7UZggBc01k4Br4bk4OAsZ08PL4IBQF7EiMsf617xIatwIavbgoeaZ91x2uta:7UigBMRbBi/MGQF7EiMe6xZtqbgoeY9s

Score

10^/10

asyncrat securityhealthseurvice persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

SecurityHealthSeurvice

C2

217.64.31.3:8437

Mutex

SecurityHealthSeurvice

Attributes

delay
3
install
false
install_file
SecurityHealthSeurvice.exe
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1164-139-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

powershell.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SecurityHealthSeurvic = "C:\\Users\\Admin\\AppData\\Roaming\\SecurityHealthSeurvic\\SecurityHealthSeurvic.exe"	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

9ce4aff682a4faa9c09793f5a0f09db075786fe2d3098acf7553c62df22fa766.exe

description	pid	process	target process
PID 1556 set thread context of 1164	1556	9ce4aff682a4faa9c09793f5a0f09db075786fe2d3098acf7553c62df22fa766.exe	RegAsm.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

532 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

3448 powershell.exe
3448 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 3448 powershell.exe

pid	process
532	schtasks.exe

pid	process
3448	powershell.exe
3448	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3448	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

9ce4aff682a4faa9c09793f5a0f09db075786fe2d3098acf7553c62df22fa766.execmd.exe

description	pid	process	target process
PID 1556 wrote to memory of 3448	1556	9ce4aff682a4faa9c09793f5a0f09db075786fe2d3098acf7553c62df22fa766.exe	powershell.exe
PID 1556 wrote to memory of 3448	1556	9ce4aff682a4faa9c09793f5a0f09db075786fe2d3098acf7553c62df22fa766.exe	powershell.exe
PID 1556 wrote to memory of 3448	1556	9ce4aff682a4faa9c09793f5a0f09db075786fe2d3098acf7553c62df22fa766.exe	powershell.exe
PID 1556 wrote to memory of 3768	1556	9ce4aff682a4faa9c09793f5a0f09db075786fe2d3098acf7553c62df22fa766.exe	cmd.exe
PID 1556 wrote to memory of 3768	1556	9ce4aff682a4faa9c09793f5a0f09db075786fe2d3098acf7553c62df22fa766.exe	cmd.exe
PID 1556 wrote to memory of 3768	1556	9ce4aff682a4faa9c09793f5a0f09db075786fe2d3098acf7553c62df22fa766.exe	cmd.exe
PID 3768 wrote to memory of 532	3768	cmd.exe	schtasks.exe
PID 3768 wrote to memory of 532	3768	cmd.exe	schtasks.exe
PID 3768 wrote to memory of 532	3768	cmd.exe	schtasks.exe
PID 1556 wrote to memory of 1164	1556	9ce4aff682a4faa9c09793f5a0f09db075786fe2d3098acf7553c62df22fa766.exe	RegAsm.exe
PID 1556 wrote to memory of 1164	1556	9ce4aff682a4faa9c09793f5a0f09db075786fe2d3098acf7553c62df22fa766.exe	RegAsm.exe
PID 1556 wrote to memory of 1164	1556	9ce4aff682a4faa9c09793f5a0f09db075786fe2d3098acf7553c62df22fa766.exe	RegAsm.exe
PID 1556 wrote to memory of 1164	1556	9ce4aff682a4faa9c09793f5a0f09db075786fe2d3098acf7553c62df22fa766.exe	RegAsm.exe
PID 1556 wrote to memory of 1164	1556	9ce4aff682a4faa9c09793f5a0f09db075786fe2d3098acf7553c62df22fa766.exe	RegAsm.exe
PID 1556 wrote to memory of 1164	1556	9ce4aff682a4faa9c09793f5a0f09db075786fe2d3098acf7553c62df22fa766.exe	RegAsm.exe
PID 1556 wrote to memory of 1164	1556	9ce4aff682a4faa9c09793f5a0f09db075786fe2d3098acf7553c62df22fa766.exe	RegAsm.exe
PID 1556 wrote to memory of 1164	1556	9ce4aff682a4faa9c09793f5a0f09db075786fe2d3098acf7553c62df22fa766.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\9ce4aff682a4faa9c09793f5a0f09db075786fe2d3098acf7553c62df22fa766.exe
"C:\Users\Admin\AppData\Local\Temp\9ce4aff682a4faa9c09793f5a0f09db075786fe2d3098acf7553c62df22fa766.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1556

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" Remove -ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'SecurityHealthSeurvic';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'SecurityHealthSeurvic' -Value '"C:\Users\Admin\AppData\Roaming\SecurityHealthSeurvic\SecurityHealthSeurvic.exe"' -PropertyType 'String'
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3448

C:\Windows\SysWOW64\cmd.exe
"cmd" /C schtasks /create /tn \SecurityHealthSeurvic /tr "C:\Users\Admin\AppData\Roaming\SecurityHealthSeurvic\SecurityHealthSeurvic.exe" /st 00:00 /du 9999:59 /sc once /ri 60 /rl HIGHEST /f
2⤵
- Suspicious use of WriteProcessMemory
PID:3768

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn \SecurityHealthSeurvic /tr "C:\Users\Admin\AppData\Roaming\SecurityHealthSeurvic\SecurityHealthSeurvic.exe" /st 00:00 /du 9999:59 /sc once /ri 60 /rl HIGHEST /f
3⤵
- Creates scheduled task(s)
PID:532

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
#cmd
2⤵
PID:1164

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/532-136-0x0000000000000000-mapping.dmp

Download
memory/1164-138-0x0000000000000000-mapping.dmp

Download
memory/1164-139-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1556-133-0x00000000057E0000-0x0000000005D84000-memory.dmp

Filesize
5.6MB

Download
memory/1556-132-0x0000000000950000-0x000000000096C000-memory.dmp

Filesize
112KB

Download
memory/3448-144-0x0000000006230000-0x000000000624E000-memory.dmp

Filesize
120KB

Download
memory/3448-146-0x00000000707E0000-0x000000007082C000-memory.dmp

Filesize
304KB

Download
memory/3448-155-0x0000000007920000-0x0000000007942000-memory.dmp

Filesize
136KB

Download
memory/3448-140-0x00000000053F0000-0x0000000005A18000-memory.dmp

Filesize
6.2MB

Download
memory/3448-141-0x0000000005260000-0x0000000005282000-memory.dmp

Filesize
136KB

Download
memory/3448-142-0x0000000005B80000-0x0000000005BE6000-memory.dmp

Filesize
408KB

Download
memory/3448-143-0x0000000005C00000-0x0000000005C66000-memory.dmp

Filesize
408KB

Download
memory/3448-134-0x0000000000000000-mapping.dmp

Download
memory/3448-145-0x0000000006890000-0x00000000068C2000-memory.dmp

Filesize
200KB

Download
memory/3448-137-0x0000000002900000-0x0000000002936000-memory.dmp

Filesize
216KB

Download
memory/3448-147-0x0000000006850000-0x000000000686E000-memory.dmp

Filesize
120KB

Download
memory/3448-148-0x0000000007C40000-0x00000000082BA000-memory.dmp

Filesize
6.5MB

Download
memory/3448-149-0x00000000075E0000-0x00000000075FA000-memory.dmp

Filesize
104KB

Download
memory/3448-150-0x0000000007630000-0x000000000763A000-memory.dmp

Filesize
40KB

Download
memory/3448-151-0x0000000007840000-0x00000000078D6000-memory.dmp

Filesize
600KB

Download
memory/3448-152-0x00000000077F0000-0x00000000077FE000-memory.dmp

Filesize
56KB

Download
memory/3448-153-0x0000000007900000-0x000000000791A000-memory.dmp

Filesize
104KB

Download
memory/3448-154-0x00000000078E0000-0x00000000078E8000-memory.dmp

Filesize
32KB

Download
memory/3768-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads