46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49

Analysis

max time kernel
120s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10/10/2024, 12:50

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General

Target

46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
Size

1.7MB
MD5

13b9675d1e67b8cc1c401038647535d0
SHA1

b0d760d490932040490748ed641b245c90a0245a
SHA256

46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49
SHA512

d2752cfe32df336a4602120b5b5b52d006137547a0aad4718ff85ff0c955946b8f88711bf61ee4d1841968927bfaa36e8428523c83f36297b334c518f0753167
SSDEEP

49152:tnsExITYbNbNWo4kSH3OqtwI6V6dRPaRWLT:RsExIT4bNJFY3Oqt1d1eWLT

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 6 IoCs

pid	Process
1612	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49n.exe
5000	icsys.icn.exe
4528	explorer.exe
2612	spoolsv.exe
4396	svchost.exe
3624	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\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	svchost.exe

Drops file in System32 directory 2 IoCs

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

Drops file in Windows directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Resources\Themes\icsys.icn.exe	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	icsys.icn.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 6 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icsys.icn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49n.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49n.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49n.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1612	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49n.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
5000	icsys.icn.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
4528	explorer.exe
4396	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1612	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49n.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
5000	icsys.icn.exe
5000	icsys.icn.exe
4528	explorer.exe
4528	explorer.exe
2612	spoolsv.exe
2612	spoolsv.exe
4396	svchost.exe
4396	svchost.exe
3624	spoolsv.exe
3624	spoolsv.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 1612	1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe	84
PID 1200 wrote to memory of 1612	1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe	84
PID 1200 wrote to memory of 5000	1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe	87
PID 1200 wrote to memory of 5000	1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe	87
PID 1200 wrote to memory of 5000	1200	46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe	87
PID 5000 wrote to memory of 4528	5000	icsys.icn.exe	88
PID 5000 wrote to memory of 4528	5000	icsys.icn.exe	88
PID 5000 wrote to memory of 4528	5000	icsys.icn.exe	88
PID 4528 wrote to memory of 2612	4528	explorer.exe	89
PID 4528 wrote to memory of 2612	4528	explorer.exe	89
PID 4528 wrote to memory of 2612	4528	explorer.exe	89
PID 2612 wrote to memory of 4396	2612	spoolsv.exe	90
PID 2612 wrote to memory of 4396	2612	spoolsv.exe	90
PID 2612 wrote to memory of 4396	2612	spoolsv.exe	90
PID 4396 wrote to memory of 3624	4396	svchost.exe	91
PID 4396 wrote to memory of 3624	4396	svchost.exe	91
PID 4396 wrote to memory of 3624	4396	svchost.exe	91

C:\Users\Admin\AppData\Local\Temp\46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.exe
"C:\Users\Admin\AppData\Local\Temp\46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49N.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:1200
- \??\c:\users\admin\appdata\local\temp\46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49n.exe
  c:\users\admin\appdata\local\temp\46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49n.exe
  2⤵
  - Executes dropped EXE
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1612
- C:\Windows\Resources\Themes\icsys.icn.exe
  C:\Windows\Resources\Themes\icsys.icn.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5000
- - \??\c:\windows\resources\themes\explorer.exe
    c:\windows\resources\themes\explorer.exe
    3⤵
    - 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: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4528
  - - \??\c:\windows\resources\spoolsv.exe
      c:\windows\resources\spoolsv.exe SE
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2612
    - - \??\c:\windows\resources\svchost.exe
        
        c:\windows\resources\svchost.exe
        5⤵
        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:4396
      - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:3624

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\46154c0c670ecd7b9a9966fef17352e80366371a5c7240617b0c416ef18b4c49n.exe

Filesize
1.6MB

MD5
ed87e86892e7f39fb9911a5e8451bc12

SHA1
f2d3f0dbca4c0777de5819f0d96036cd90293020

SHA256
643eaebfd8a057e6e9cc88863d7e9430b932b06470ea7ba809e337c99c4c4890

SHA512
8fcd881b7d0b24bbf91a7ecc1de1bd3fd7020f4d933b79c0d423e6f0365660fb3a141a0de32db57fe322f36fdb64a2add29d578db396ddd708bdb6e094904fcf

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

Filesize
135KB

MD5
50de53fa2691e001e2e754d9c306c53a

SHA1
e810986c0a9c69fd8634ecc9dc0e54f2df00767d

SHA256
696e8d01aaa854c182fb69d209a4e65555e8fe83e6e528cce368c1fbc6089b79

SHA512
4771bc1f5b56eda12009e48352a9cd55d51eaf7bfa2f060cc156e01185c9685da441e9235e560e34fc0f20efd2f59cb12f53ce347b973869539a7e9fc83962b2

Download Submit
C:\Windows\Resources\Themes\icsys.icn.exe

Filesize
135KB

MD5
9ef8c8cef3be80b1fb5adc183dec4c43

SHA1
c34b76e1304a94c2dd591763718c7cf6ca8ede89

SHA256
d1a1ad3ee951b40257f1fc70c22d6c94efb20942e57f29dd4ab33fd8120de560

SHA512
3b8532f71be6e874cefde755b9d9c6a30baed56a8b58472704cff5205f8f5bd2f73c34eefa51ab678b8e52881baeb6c7b3982fdab4de4edd6849b67dfd9920b8

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

Filesize
135KB

MD5
4e1e8f3d92d69e565752dea6aee0602d

SHA1
b329e32d9a646d25195fc36a925c96555edb342e

SHA256
e2c668f2e92846b5bb7a28c1c9df788d6822b377addbbfebf1d95d9a68bd0991

SHA512
5d8592d0adfe49fbeee27b1292ab495ef6db51bcbbef852be3bb5aa9e2e17114a4121ff741e3e4f172b87995678173bc292d2efcff738c0d823971e87de0c871

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

Filesize
135KB

MD5
16c06bb384c861e1f39b0e7a75fbab70

SHA1
8332b74fba8800b27deccab613f39d6f05339470

SHA256
139a73d21716849b57dc441e065931d0624c68bce6fd39ff647fb7afb54563c9

SHA512
a62473c3aaa31ef0849b94acd8130780e495a34261a64217a296d421afbdbc5e1fecacf43443b0c4e32b02ea621376f4355560510b9d4ef2a9f9ae39295bf44c

Download Submit
memory/1200-52-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1200-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1612-10-0x0000024743180000-0x0000024743316000-memory.dmp

Filesize
1.6MB

Download
memory/1612-11-0x000002475DDC0000-0x000002475DFD4000-memory.dmp

Filesize
2.1MB

Download
memory/1612-12-0x00007FF91C9D0000-0x00007FF91D491000-memory.dmp

Filesize
10.8MB

Download
memory/1612-9-0x00007FF91C9D3000-0x00007FF91C9D5000-memory.dmp

Filesize
8KB

Download
memory/1612-53-0x00007FF91C9D3000-0x00007FF91C9D5000-memory.dmp

Filesize
8KB

Download
memory/1612-54-0x00007FF91C9D0000-0x00007FF91D491000-memory.dmp

Filesize
10.8MB

Download
memory/2612-50-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3624-49-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4396-43-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4396-56-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4528-55-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/5000-51-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/5000-16-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download