3157844376f1f67efa460820531e495d78f3371d7b10bbd666c6c84909ffc1cb

Analysis

max time kernel
120s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-08-2024 19:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6e12b57fa31dde6e68c697b13e3f2c20N.exe
Size

135KB
MD5

6e12b57fa31dde6e68c697b13e3f2c20
SHA1

42b6652a12afb53cd8357b03e1573b933acd8e15
SHA256

3157844376f1f67efa460820531e495d78f3371d7b10bbd666c6c84909ffc1cb
SHA512

0ef1278c3ead46a832978af8aefdc85bc77b3073dca2ff84be703cd5fd6a45acf1a7d3b656d100308062fc01692073363daa9f6fc86bb202cfcbcf6a0f5d3389
SSDEEP

1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbV8cybW:UVqoCl/YgjxEufVU0TbTyDDalicybW

Score

10^/10

discovery 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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
1068	explorer.exe
1664	spoolsv.exe
2812	svchost.exe
2860	spoolsv.exe

Adds Run key to start application 2 TTPs 4 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\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\explorer.exe	explorer.exe
File opened for modification	C:\Windows\SysWOW64\explorer.exe	svchost.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	6e12b57fa31dde6e68c697b13e3f2c20N.exe
File opened for modification	\??\c:\windows\resources\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\resources\svchost.exe	spoolsv.exe
File opened for modification	C:\Windows\Resources\tjud.exe	explorer.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6e12b57fa31dde6e68c697b13e3f2c20N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe
1068	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
1068	explorer.exe
2812	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe
1068	explorer.exe
1068	explorer.exe
1664	spoolsv.exe
1664	spoolsv.exe
2812	svchost.exe
2812	svchost.exe
2860	spoolsv.exe
2860	spoolsv.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 1068	2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe	93
PID 2972 wrote to memory of 1068	2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe	93
PID 2972 wrote to memory of 1068	2972	6e12b57fa31dde6e68c697b13e3f2c20N.exe	93
PID 1068 wrote to memory of 1664	1068	explorer.exe	94
PID 1068 wrote to memory of 1664	1068	explorer.exe	94
PID 1068 wrote to memory of 1664	1068	explorer.exe	94
PID 1664 wrote to memory of 2812	1664	spoolsv.exe	95
PID 1664 wrote to memory of 2812	1664	spoolsv.exe	95
PID 1664 wrote to memory of 2812	1664	spoolsv.exe	95
PID 2812 wrote to memory of 2860	2812	svchost.exe	96
PID 2812 wrote to memory of 2860	2812	svchost.exe	96
PID 2812 wrote to memory of 2860	2812	svchost.exe	96

C:\Users\Admin\AppData\Local\Temp\6e12b57fa31dde6e68c697b13e3f2c20N.exe
"C:\Users\Admin\AppData\Local\Temp\6e12b57fa31dde6e68c697b13e3f2c20N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2972
- \??\c:\windows\resources\themes\explorer.exe
  c:\windows\resources\themes\explorer.exe
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1068
- - \??\c:\windows\resources\spoolsv.exe
    c:\windows\resources\spoolsv.exe SE
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1664
  - - \??\c:\windows\resources\svchost.exe
      c:\windows\resources\svchost.exe
      4⤵
      Modifies visiblity of hidden/system files in Explorer
      Executes dropped EXE
      Adds Run key to start application
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2812
    - - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:2860

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1304,i,8231329449558834090,4540802069600791165,262144 --variations-seed-version --mojo-platform-channel-handle=1440 /prefetch:8
1⤵
PID:3748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\Resources\Themes\explorer.exe

Filesize
135KB

MD5
06cba94369438e923c28c401d71a9ce3

SHA1
a627cddf4ef7b5b101220a847f3f96eec46e0487

SHA256
c8dfbf600282af05561d8065008b6b0fe91c9c252f7362da40e94c944652ec4f

SHA512
45b5d721e35e4a346a7594c3c1f4debe49d9692fd51b2542ec830e0f07d360e073a21caa6f8614d6f308fe16d96817ace562900e96a71e66cb0b02c749c27e1f

Download Submit
C:\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
08c4c02dbc44dc3129b7a2fcbf7035a0

SHA1
0695fd192fdf7e8d847cb750d7a6f0f61192e892

SHA256
77ace85b7612e852ef389738ca2b3b9965757a4a78cfb7ee161b6e5e4487e193

SHA512
0f0f4c08afc0ccc9d3a2cb055539d3bbab7e7db980dc5672013b6d7352a4351852cc264d32b125a35e9117276dbf4efb8ead3533fb4e6d0c2e60da241dd431b1

Download Submit
C:\Windows\Resources\svchost.exe

Filesize
135KB

MD5
b564c056712e886131723d908eb058b7

SHA1
f1fec4bf6083a7d3ad14b33774523a04b16cd8b6

SHA256
9272f4ff46bd871b5c332a7e1d0bb62082cc704b95428ab46c376b381a28c875

SHA512
a380dd51974a180fba91aa5d59120f8e3af66661392d8a40a7b1813747e2e54e51bff1006ea0ede12c4bfcd6d1a8c584c6df621a0b1f7321913a6258518b7b47

Download Submit
memory/1068-35-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1664-33-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2812-36-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2860-32-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2972-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2972-34-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download