72ce558438ce0c94ade7a0d1b7aab4f3163b40c52785f994ce4a8265bc5cd40c

Analysis

max time kernel
151s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
14-10-2023 13:44

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General

Target

NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe
Size

112KB
MD5

19ad0a8933444fef529eebfc0c015140
SHA1

2a7ecdb95fb655e33ca8791a66b6e52e7f65b452
SHA256

72ce558438ce0c94ade7a0d1b7aab4f3163b40c52785f994ce4a8265bc5cd40c
SHA512

f3254200575eda2048332cbc4a87d29a816f80597b4803042e05ad28c2019ef7309c49104f318e7de7069a74ae9db0bf92338e710eeebfbebec494f056bab50c
SSDEEP

1536:9acTW6flUmAJIVMvnwRcpzonFdqquwo2NSKlnayY72j0MYszD3l1JeJ:Mk3lTgIVdRGdqS6SKlp+2ITglOJ

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	nrtaiw.exe

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-1-5-21-1141987721-3945596982-3297311814-1000\Control Panel\International\Geo\Nation	NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe

Executes dropped EXE 2 IoCs

pid	Process
3492	nrtaiw.exe
2080	nrtaiw.exe

Adds Run key to start application 2 TTPs 27 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /u"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /g"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /j"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /b"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /n"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /v"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /t"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /h"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /e"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /s"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /q"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /f"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /s"	NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /o"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /w"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /r"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /l"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /y"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /a"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /i"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /m"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /k"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /p"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /x"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /d"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /c"	nrtaiw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrtaiw = "C:\\Users\\Admin\\nrtaiw.exe /z"	nrtaiw.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	nrtaiw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	nrtaiw.exe

Drops autorun.inf file 1 TTPs 1 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	C:\Users\Admin\c\autorun.inf	nrtaiw.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4596 set thread context of 4456	4596	NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe	85
PID 3492 set thread context of 2080	3492	nrtaiw.exe	94

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4456	NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe
4456	NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe
2080	nrtaiw.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4596	NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe
4456	NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe
3492	nrtaiw.exe
2080	nrtaiw.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 4456	4596	NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe	85
PID 4596 wrote to memory of 4456	4596	NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe	85
PID 4596 wrote to memory of 4456	4596	NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe	85
PID 4596 wrote to memory of 4456	4596	NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe	85
PID 4596 wrote to memory of 4456	4596	NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe	85
PID 4596 wrote to memory of 4456	4596	NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe	85
PID 4596 wrote to memory of 4456	4596	NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe	85
PID 4596 wrote to memory of 4456	4596	NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe	85
PID 4596 wrote to memory of 4456	4596	NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe	85
PID 4456 wrote to memory of 3492	4456	NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe	93
PID 4456 wrote to memory of 3492	4456	NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe	93
PID 4456 wrote to memory of 3492	4456	NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe	93
PID 3492 wrote to memory of 2080	3492	nrtaiw.exe	94
PID 3492 wrote to memory of 2080	3492	nrtaiw.exe	94
PID 3492 wrote to memory of 2080	3492	nrtaiw.exe	94
PID 3492 wrote to memory of 2080	3492	nrtaiw.exe	94
PID 3492 wrote to memory of 2080	3492	nrtaiw.exe	94
PID 3492 wrote to memory of 2080	3492	nrtaiw.exe	94
PID 3492 wrote to memory of 2080	3492	nrtaiw.exe	94
PID 3492 wrote to memory of 2080	3492	nrtaiw.exe	94
PID 3492 wrote to memory of 2080	3492	nrtaiw.exe	94

C:\Users\Admin\AppData\Local\Temp\NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4596
- C:\Users\Admin\AppData\Local\Temp\NEAS.19ad0a8933444fef529eebfc0c015140_JC.exe
  74
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Checks computer location settings
  - Adds Run key to start application
  - Maps connected drives based on registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4456
- - C:\Users\Admin\nrtaiw.exe
    "C:\Users\Admin\nrtaiw.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3492
  - - C:\Users\Admin\nrtaiw.exe
      74
      4⤵
      Modifies visiblity of hidden/system files in Explorer
      Executes dropped EXE
      Adds Run key to start application
      Maps connected drives based on registry
      Drops autorun.inf file
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      PID:2080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\nrtaiw.exe

Filesize
112KB

MD5
19ad0a8933444fef529eebfc0c015140

SHA1
2a7ecdb95fb655e33ca8791a66b6e52e7f65b452

SHA256
72ce558438ce0c94ade7a0d1b7aab4f3163b40c52785f994ce4a8265bc5cd40c

SHA512
f3254200575eda2048332cbc4a87d29a816f80597b4803042e05ad28c2019ef7309c49104f318e7de7069a74ae9db0bf92338e710eeebfbebec494f056bab50c

Download Submit
C:\Users\Admin\nrtaiw.exe

Filesize
112KB

MD5
19ad0a8933444fef529eebfc0c015140

SHA1
2a7ecdb95fb655e33ca8791a66b6e52e7f65b452

SHA256
72ce558438ce0c94ade7a0d1b7aab4f3163b40c52785f994ce4a8265bc5cd40c

SHA512
f3254200575eda2048332cbc4a87d29a816f80597b4803042e05ad28c2019ef7309c49104f318e7de7069a74ae9db0bf92338e710eeebfbebec494f056bab50c

Download Submit
C:\Users\Admin\nrtaiw.exe

Filesize
112KB

MD5
19ad0a8933444fef529eebfc0c015140

SHA1
2a7ecdb95fb655e33ca8791a66b6e52e7f65b452

SHA256
72ce558438ce0c94ade7a0d1b7aab4f3163b40c52785f994ce4a8265bc5cd40c

SHA512
f3254200575eda2048332cbc4a87d29a816f80597b4803042e05ad28c2019ef7309c49104f318e7de7069a74ae9db0bf92338e710eeebfbebec494f056bab50c

Download Submit
C:\Users\Admin\nrtaiw.exe

Filesize
112KB

MD5
19ad0a8933444fef529eebfc0c015140

SHA1
2a7ecdb95fb655e33ca8791a66b6e52e7f65b452

SHA256
72ce558438ce0c94ade7a0d1b7aab4f3163b40c52785f994ce4a8265bc5cd40c

SHA512
f3254200575eda2048332cbc4a87d29a816f80597b4803042e05ad28c2019ef7309c49104f318e7de7069a74ae9db0bf92338e710eeebfbebec494f056bab50c

Download Submit
memory/2080-85-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2080-87-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2080-95-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2080-93-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2080-91-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2080-48-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2080-49-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2080-89-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2080-73-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2080-83-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2080-75-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2080-81-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2080-77-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2080-79-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4456-9-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4456-74-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4456-78-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4456-82-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4456-88-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4456-84-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4456-2-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4456-65-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4456-76-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4456-80-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4456-86-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4456-90-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4456-47-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4456-92-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4456-4-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4456-94-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4456-40-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download