0f8108c87dd18b5ca5f2a56a8dcd01adbb3b2761e2672fc952f116df4bd0abd4

Analysis

max time kernel
8s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
27/07/2024, 23:54

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General

Target

1c0bb3cf2f6b1b6506c2551ae4466970N.exe
Size

1.1MB
MD5

1c0bb3cf2f6b1b6506c2551ae4466970
SHA1

417ad18af89df9f88f32a6654b6e3338d8f956e1
SHA256

0f8108c87dd18b5ca5f2a56a8dcd01adbb3b2761e2672fc952f116df4bd0abd4
SHA512

6e2381f8a03d7195bf41445036ccd91db7e14a953a715e9f2c020f7588b200f5f7a78b29907bac370a54d895035038b85aa0b689186e928522291d9f4b89db6d
SSDEEP

12288:BwG9izpJ5n46SncBH7MTX0svLv/HbHt4SpcHGAB/Kc27P5HV0HiG+uLP6njiY25+:nMxIl

Score

7^/10

discovery persistence upx

Malware Config

Signatures

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-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation	1c0bb3cf2f6b1b6506c2551ae4466970N.exe

Executes dropped EXE 1 IoCs

pid	Process
3040	svchost.exe

UPX packed file 26 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1364-0-0x0000000000400000-0x0000000000521000-memory.dmp	upx
behavioral2/memory/1364-12-0x0000000000400000-0x0000000000521000-memory.dmp	upx
behavioral2/memory/2344-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1364-17-0x0000000000400000-0x0000000000521000-memory.dmp	upx
behavioral2/memory/2344-16-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2344-15-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000a0000000233b5-33.dat	upx
behavioral2/memory/3040-43-0x0000000000400000-0x0000000000521000-memory.dmp	upx
behavioral2/memory/3040-69-0x0000000000400000-0x0000000000521000-memory.dmp	upx
behavioral2/memory/2344-70-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3080-66-0x0000000000400000-0x000000000047B000-memory.dmp	upx
behavioral2/memory/3080-61-0x0000000000400000-0x000000000047B000-memory.dmp	upx
behavioral2/memory/3080-59-0x0000000000400000-0x000000000047B000-memory.dmp	upx
behavioral2/memory/3040-51-0x0000000000400000-0x0000000000521000-memory.dmp	upx
behavioral2/memory/3040-44-0x0000000000400000-0x0000000000521000-memory.dmp	upx
behavioral2/memory/3968-73-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3080-74-0x0000000000400000-0x000000000047B000-memory.dmp	upx
behavioral2/memory/3080-77-0x0000000000400000-0x000000000047B000-memory.dmp	upx
behavioral2/memory/3080-80-0x0000000000400000-0x000000000047B000-memory.dmp	upx
behavioral2/memory/3080-82-0x0000000000400000-0x000000000047B000-memory.dmp	upx
behavioral2/memory/3080-84-0x0000000000400000-0x000000000047B000-memory.dmp	upx
behavioral2/memory/3080-88-0x0000000000400000-0x000000000047B000-memory.dmp	upx
behavioral2/memory/3080-90-0x0000000000400000-0x000000000047B000-memory.dmp	upx
behavioral2/memory/3080-92-0x0000000000400000-0x000000000047B000-memory.dmp	upx
behavioral2/memory/3080-95-0x0000000000400000-0x000000000047B000-memory.dmp	upx
behavioral2/memory/3080-97-0x0000000000400000-0x000000000047B000-memory.dmp	upx

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\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Svchost = "C:\\Users\\Admin\\AppData\\Roaming\\MSSN\\svchost.exe"	reg.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1364 set thread context of 1392	1364	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	89
PID 1364 set thread context of 2344	1364	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	90

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 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1c0bb3cf2f6b1b6506c2551ae4466970N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1c0bb3cf2f6b1b6506c2551ae4466970N.exe

Modifies registry key 1 TTPs 4 IoCs

Modify Registry

T1112

pid	Process
4468	reg.exe
5116	reg.exe
4504	reg.exe
3996	reg.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe
1392	svchost.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1364	1c0bb3cf2f6b1b6506c2551ae4466970N.exe
1392	svchost.exe
2344	1c0bb3cf2f6b1b6506c2551ae4466970N.exe
3040	svchost.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1364 wrote to memory of 1392	1364	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	89
PID 1364 wrote to memory of 1392	1364	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	89
PID 1364 wrote to memory of 1392	1364	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	89
PID 1364 wrote to memory of 1392	1364	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	89
PID 1364 wrote to memory of 1392	1364	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	89
PID 1364 wrote to memory of 1392	1364	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	89
PID 1364 wrote to memory of 1392	1364	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	89
PID 1364 wrote to memory of 1392	1364	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	89
PID 1364 wrote to memory of 1392	1364	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	89
PID 1364 wrote to memory of 2344	1364	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	90
PID 1364 wrote to memory of 2344	1364	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	90
PID 1364 wrote to memory of 2344	1364	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	90
PID 1364 wrote to memory of 2344	1364	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	90
PID 1364 wrote to memory of 2344	1364	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	90
PID 1364 wrote to memory of 2344	1364	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	90
PID 1364 wrote to memory of 2344	1364	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	90
PID 1364 wrote to memory of 2344	1364	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	90
PID 2344 wrote to memory of 2716	2344	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	92
PID 2344 wrote to memory of 2716	2344	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	92
PID 2344 wrote to memory of 2716	2344	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	92
PID 2716 wrote to memory of 4448	2716	cmd.exe	95
PID 2716 wrote to memory of 4448	2716	cmd.exe	95
PID 2716 wrote to memory of 4448	2716	cmd.exe	95
PID 2344 wrote to memory of 3040	2344	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	96
PID 2344 wrote to memory of 3040	2344	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	96
PID 2344 wrote to memory of 3040	2344	1c0bb3cf2f6b1b6506c2551ae4466970N.exe	96

C:\Users\Admin\AppData\Local\Temp\1c0bb3cf2f6b1b6506c2551ae4466970N.exe
"C:\Users\Admin\AppData\Local\Temp\1c0bb3cf2f6b1b6506c2551ae4466970N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1364
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\system32\svchost.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1392
- C:\Users\Admin\AppData\Local\Temp\1c0bb3cf2f6b1b6506c2551ae4466970N.exe
  "C:\Users\Admin\AppData\Local\Temp\1c0bb3cf2f6b1b6506c2551ae4466970N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2344
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CSOPL.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2716
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Svchost" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:4448
- - C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe
    "C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:3040
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      4⤵
      PID:2536
  - - C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe
      "C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe"
      4⤵
      PID:3968
  - - C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe
      "C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe"
      4⤵
      PID:3080
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        5⤵
        
        PID:2304
      - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        6⤵
        Modifies registry key
        
        PID:4468
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe:*:Enabled:Windows Messanger" /f
        5⤵
        
        PID:2240
      - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe:*:Enabled:Windows Messanger" /f
        6⤵
        Modifies registry key
        
        PID:4504
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        5⤵
        
        PID:4172
      - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        6⤵
        Modifies registry key
        
        PID:5116
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\NAOO.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\NAOO.exe:*:Enabled:Windows Messanger" /f
        5⤵
        
        PID:4056
      - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\NAOO.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\NAOO.exe:*:Enabled:Windows Messanger" /f
        6⤵
        Modifies registry key
        
        PID:3996

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

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\CSOPL.txt

Filesize
141B

MD5
eedf1bdeda7a9e6d314f346ae723cef1

SHA1
0680703a702f23e44ca855381c8764cfb7ec406e

SHA256
c8eed6be01e84beeef07e298e0db3a86e14d265f176034c1a1b6b386f3766920

SHA512
5d7081569bfea250054a49efea9d444ff7af9a351b959fec6197896622d9b0af4b32711c987493a088f2068834095e57ecd7856423b61fb5b950a7b704fdb364

Download Submit
C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe

Filesize
1.1MB

MD5
9bee03a851ec0f284d2f9891b2eace68

SHA1
bb18fa32e2734b72b03a83fc84c04833329f6b46

SHA256
f0f5b6cdb7791db94e944ba70458f26eecc8aa267964bdc663d2fcae16ac5d7c

SHA512
9d511e83d825d50e54161c3844ed1907a723882d8d314da3e279695009a9c6e29d8d53b4a883000e546f31adcc6ff64dfd2eea20d62364a8f38ba8d4f92dbef8

Download Submit
memory/1364-3-0x00000000029E0000-0x00000000029E2000-memory.dmp

Filesize
8KB

Download
memory/1364-4-0x0000000002A10000-0x0000000002A12000-memory.dmp

Filesize
8KB

Download
memory/1364-12-0x0000000000400000-0x0000000000521000-memory.dmp

Filesize
1.1MB

Download
memory/1364-17-0x0000000000400000-0x0000000000521000-memory.dmp

Filesize
1.1MB

Download
memory/1364-0-0x0000000000400000-0x0000000000521000-memory.dmp

Filesize
1.1MB

Download
memory/1392-5-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1392-7-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1392-11-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1392-8-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1392-75-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2344-70-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2344-16-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2344-15-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2344-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2536-85-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2536-52-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2536-45-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2536-47-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3040-44-0x0000000000400000-0x0000000000521000-memory.dmp

Filesize
1.1MB

Download
memory/3040-43-0x0000000000400000-0x0000000000521000-memory.dmp

Filesize
1.1MB

Download
memory/3040-69-0x0000000000400000-0x0000000000521000-memory.dmp

Filesize
1.1MB

Download
memory/3040-51-0x0000000000400000-0x0000000000521000-memory.dmp

Filesize
1.1MB

Download
memory/3080-74-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/3080-66-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/3080-97-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/3080-61-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/3080-77-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/3080-80-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/3080-82-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/3080-59-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/3080-84-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/3080-88-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/3080-90-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/3080-92-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/3080-95-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/3968-73-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download