asyncrat | 6b21c5b53198967f49dda5d8b79e06bfd1ac72ca4c362bbdbc7a58cf2a5de9af

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	OTPBOT.exe
Key value queried	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	._cache_OTPBOT.exe
Key value queried	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	Synaptics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	NOBLOCKTM.exe
Key value queried	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	._cache_Synaptics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	._cache_NOBLOCKTM.exe

Executes dropped EXE 8 IoCs

pid	Process
3332	._cache_OTPBOT.exe
3868	Synaptics.exe
2568	OTP_BOT.exe
408	NOBLOCKTM.exe
1372	OTP_BOT.exe
4340	._cache_Synaptics.exe
1820	._cache_NOBLOCKTM.exe
2020	steam.exe

Loads dropped DLL 20 IoCs

pid	Process
1372	OTP_BOT.exe
1372	OTP_BOT.exe
1372	OTP_BOT.exe
1372	OTP_BOT.exe
1372	OTP_BOT.exe
1372	OTP_BOT.exe
1372	OTP_BOT.exe
1372	OTP_BOT.exe
1372	OTP_BOT.exe
1372	OTP_BOT.exe
1372	OTP_BOT.exe
1372	OTP_BOT.exe
1372	OTP_BOT.exe
1372	OTP_BOT.exe
1372	OTP_BOT.exe
1372	OTP_BOT.exe
1372	OTP_BOT.exe
1372	OTP_BOT.exe
1372	OTP_BOT.exe
1372	OTP_BOT.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	OTPBOT.exe

Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
defense_evasion

Command Obfuscation
T1027.010

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
behavioral2/files/0x0007000000023466-196.dat	pyinstaller

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 3 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	OTPBOT.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NOBLOCKTM.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3044	timeout.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	NOBLOCKTM.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	OTPBOT.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
1496	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1216	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 37 IoCs

pid	Process
3960	powershell.exe
3960	powershell.exe
1964	powershell.exe
1964	powershell.exe
1964	powershell.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
1820	._cache_NOBLOCKTM.exe
2020	steam.exe
2020	steam.exe
2020	steam.exe
2020	steam.exe
2020	steam.exe
2020	steam.exe
2020	steam.exe
2020	steam.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3960	powershell.exe
Token: SeDebugPrivilege	1964	powershell.exe
Token: SeDebugPrivilege	1820	._cache_NOBLOCKTM.exe
Token: SeDebugPrivilege	2020	steam.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1216	EXCEL.EXE
1216	EXCEL.EXE
1216	EXCEL.EXE
1216	EXCEL.EXE
2020	steam.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 1580 wrote to memory of 3332	1580	OTPBOT.exe	87
PID 1580 wrote to memory of 3332	1580	OTPBOT.exe	87
PID 1580 wrote to memory of 3868	1580	OTPBOT.exe	88
PID 1580 wrote to memory of 3868	1580	OTPBOT.exe	88
PID 1580 wrote to memory of 3868	1580	OTPBOT.exe	88
PID 3332 wrote to memory of 3960	3332	._cache_OTPBOT.exe	89
PID 3332 wrote to memory of 3960	3332	._cache_OTPBOT.exe	89
PID 3332 wrote to memory of 2568	3332	._cache_OTPBOT.exe	91
PID 3332 wrote to memory of 2568	3332	._cache_OTPBOT.exe	91
PID 3332 wrote to memory of 408	3332	._cache_OTPBOT.exe	93
PID 3332 wrote to memory of 408	3332	._cache_OTPBOT.exe	93
PID 3332 wrote to memory of 408	3332	._cache_OTPBOT.exe	93
PID 2568 wrote to memory of 1372	2568	OTP_BOT.exe	95
PID 2568 wrote to memory of 1372	2568	OTP_BOT.exe	95
PID 3868 wrote to memory of 4340	3868	Synaptics.exe	94
PID 3868 wrote to memory of 4340	3868	Synaptics.exe	94
PID 4340 wrote to memory of 1964	4340	._cache_Synaptics.exe	97
PID 4340 wrote to memory of 1964	4340	._cache_Synaptics.exe	97
PID 1372 wrote to memory of 1244	1372	OTP_BOT.exe	99
PID 1372 wrote to memory of 1244	1372	OTP_BOT.exe	99
PID 408 wrote to memory of 1820	408	NOBLOCKTM.exe	102
PID 408 wrote to memory of 1820	408	NOBLOCKTM.exe	102
PID 1372 wrote to memory of 372	1372	OTP_BOT.exe	107
PID 1372 wrote to memory of 372	1372	OTP_BOT.exe	107
PID 372 wrote to memory of 4352	372	cmd.exe	109
PID 372 wrote to memory of 4352	372	cmd.exe	109
PID 1372 wrote to memory of 4820	1372	OTP_BOT.exe	112
PID 1372 wrote to memory of 4820	1372	OTP_BOT.exe	112
PID 4820 wrote to memory of 220	4820	cmd.exe	113
PID 4820 wrote to memory of 220	4820	cmd.exe	113
PID 1372 wrote to memory of 2388	1372	OTP_BOT.exe	114
PID 1372 wrote to memory of 2388	1372	OTP_BOT.exe	114
PID 1820 wrote to memory of 2016	1820	._cache_NOBLOCKTM.exe	116
PID 1820 wrote to memory of 2016	1820	._cache_NOBLOCKTM.exe	116
PID 1820 wrote to memory of 1208	1820	._cache_NOBLOCKTM.exe	117
PID 1820 wrote to memory of 1208	1820	._cache_NOBLOCKTM.exe	117
PID 2016 wrote to memory of 1496	2016	cmd.exe	121
PID 2016 wrote to memory of 1496	2016	cmd.exe	121
PID 1208 wrote to memory of 3044	1208	cmd.exe	122
PID 1208 wrote to memory of 3044	1208	cmd.exe	122
PID 1208 wrote to memory of 2020	1208	cmd.exe	124
PID 1208 wrote to memory of 2020	1208	cmd.exe	124

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\OTPBOT.exe
"C:\Users\Admin\AppData\Local\Temp\OTPBOT.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1580
- C:\Users\Admin\AppData\Local\Temp\._cache_OTPBOT.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_OTPBOT.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:3332
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAG0AcgB4ACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAHcAeQB6ACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAG4AbQBtACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAHYAYgBhACMAPgA="
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3960
- - C:\Users\Admin\AppData\Local\Temp\OTP_BOT.exe
    "C:\Users\Admin\AppData\Local\Temp\OTP_BOT.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2568
  - - C:\Users\Admin\AppData\Local\Temp\OTP_BOT.exe
      "C:\Users\Admin\AppData\Local\Temp\OTP_BOT.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:1372
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c "ver"
        5⤵
        
        PID:1244
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c mode con: cols=60 lines=20
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:372
      - C:\Windows\system32\mode.com
        
        mode con: cols=60 lines=20
        6⤵
        
        PID:4352
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c title OTP BOT | By lcm_2080
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4820
      - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" title OTP BOT "
        6⤵
        
        PID:220
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c cls
        5⤵
        
        PID:2388
- - C:\Users\Admin\AppData\Local\Temp\NOBLOCKTM.exe
    "C:\Users\Admin\AppData\Local\Temp\NOBLOCKTM.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:408
  - - C:\Users\Admin\AppData\Local\Temp\._cache_NOBLOCKTM.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_NOBLOCKTM.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1820
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "steam" /tr '"C:\Users\Admin\AppData\Roaming\steam.exe"' & exit
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2016
      - C:\Windows\system32\schtasks.exe
        
        schtasks /create /f /sc onlogon /rl highest /tn "steam" /tr '"C:\Users\Admin\AppData\Roaming\steam.exe"'
        6⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:1496
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpCE3D.tmp.bat""
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1208
      - C:\Windows\system32\timeout.exe
        
        timeout 3
        6⤵
        Delays execution with timeout.exe
        
        PID:3044
      - C:\Users\Admin\AppData\Roaming\steam.exe
        
        "C:\Users\Admin\AppData\Roaming\steam.exe"
        6⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:2020
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3868
- - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:4340
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAG0AcgB4ACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAHcAeQB6ACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAG4AbQBtACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAHYAYgBhACMAPgA="
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1964

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Modify Registry

T1112

Obfuscated Files or Information

T1027

Command Obfuscation

T1027.010

Credential Access

Discovery

Query Registry

System Information Discovery