539061a17804854fc7cc766069d84113629d583b9c7c1a08d66e6ae1136230b4

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
13/10/2024, 11:10

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General

Target

539061a17804854fc7cc766069d84113629d583b9c7c1a08d66e6ae1136230b4N.exe
Size

822KB
MD5

28b8a068f6f920939872671162822250
SHA1

77944f8ae243c52339c79622ce1decd0a9c9d629
SHA256

539061a17804854fc7cc766069d84113629d583b9c7c1a08d66e6ae1136230b4
SHA512

c6ac87a610f8dedfd65c3d629929dc08ae57209e4cafbbcc6568e1ef5185e5cb96c315e058d510af1428118b3d5981ec313afbeab7b8d4d36911e2fdf61c0364
SSDEEP

12288:xOdht2EP6MCpxNU3ly8EeyR6sR40v8qL0I+cguHoEDgwWox2LWi8gPqCdaWMobBB:DM31gRFVxgurk4Wd90F8LH

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 8 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe = "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\vbc.exe:*:Enabled:Windows Messanger"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	reg.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\uncrypt.exe = "C:\\Users\\Admin\\AppData\\Roaming\\uncrypt.exe:*:Enabled:Windows Messanger"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	reg.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\MG = "C:\\Users\\Admin\\AppData\\Roaming\\RSGR.exe"	539061a17804854fc7cc766069d84113629d583b9c7c1a08d66e6ae1136230b4N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1056 set thread context of 2768	1056	539061a17804854fc7cc766069d84113629d583b9c7c1a08d66e6ae1136230b4N.exe	31

System Location Discovery: System Language Discovery 1 TTPs 10 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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
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	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	539061a17804854fc7cc766069d84113629d583b9c7c1a08d66e6ae1136230b4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
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	reg.exe

Modifies registry key 1 TTPs 4 IoCs

Modify Registry

T1112

pid	Process
2908	reg.exe
2720	reg.exe
3028	reg.exe
2868	reg.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: 1	2768	vbc.exe
Token: SeCreateTokenPrivilege	2768	vbc.exe
Token: SeAssignPrimaryTokenPrivilege	2768	vbc.exe
Token: SeLockMemoryPrivilege	2768	vbc.exe
Token: SeIncreaseQuotaPrivilege	2768	vbc.exe
Token: SeMachineAccountPrivilege	2768	vbc.exe
Token: SeTcbPrivilege	2768	vbc.exe
Token: SeSecurityPrivilege	2768	vbc.exe
Token: SeTakeOwnershipPrivilege	2768	vbc.exe
Token: SeLoadDriverPrivilege	2768	vbc.exe
Token: SeSystemProfilePrivilege	2768	vbc.exe
Token: SeSystemtimePrivilege	2768	vbc.exe
Token: SeProfSingleProcessPrivilege	2768	vbc.exe
Token: SeIncBasePriorityPrivilege	2768	vbc.exe
Token: SeCreatePagefilePrivilege	2768	vbc.exe
Token: SeCreatePermanentPrivilege	2768	vbc.exe
Token: SeBackupPrivilege	2768	vbc.exe
Token: SeRestorePrivilege	2768	vbc.exe
Token: SeShutdownPrivilege	2768	vbc.exe
Token: SeDebugPrivilege	2768	vbc.exe
Token: SeAuditPrivilege	2768	vbc.exe
Token: SeSystemEnvironmentPrivilege	2768	vbc.exe
Token: SeChangeNotifyPrivilege	2768	vbc.exe
Token: SeRemoteShutdownPrivilege	2768	vbc.exe
Token: SeUndockPrivilege	2768	vbc.exe
Token: SeSyncAgentPrivilege	2768	vbc.exe
Token: SeEnableDelegationPrivilege	2768	vbc.exe
Token: SeManageVolumePrivilege	2768	vbc.exe
Token: SeImpersonatePrivilege	2768	vbc.exe
Token: SeCreateGlobalPrivilege	2768	vbc.exe
Token: 31	2768	vbc.exe
Token: 32	2768	vbc.exe
Token: 33	2768	vbc.exe
Token: 34	2768	vbc.exe
Token: 35	2768	vbc.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2768	vbc.exe
2768	vbc.exe
2768	vbc.exe
2768	vbc.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 2768	1056	539061a17804854fc7cc766069d84113629d583b9c7c1a08d66e6ae1136230b4N.exe	31
PID 1056 wrote to memory of 2768	1056	539061a17804854fc7cc766069d84113629d583b9c7c1a08d66e6ae1136230b4N.exe	31
PID 1056 wrote to memory of 2768	1056	539061a17804854fc7cc766069d84113629d583b9c7c1a08d66e6ae1136230b4N.exe	31
PID 1056 wrote to memory of 2768	1056	539061a17804854fc7cc766069d84113629d583b9c7c1a08d66e6ae1136230b4N.exe	31
PID 1056 wrote to memory of 2768	1056	539061a17804854fc7cc766069d84113629d583b9c7c1a08d66e6ae1136230b4N.exe	31
PID 1056 wrote to memory of 2768	1056	539061a17804854fc7cc766069d84113629d583b9c7c1a08d66e6ae1136230b4N.exe	31
PID 1056 wrote to memory of 2768	1056	539061a17804854fc7cc766069d84113629d583b9c7c1a08d66e6ae1136230b4N.exe	31
PID 1056 wrote to memory of 2768	1056	539061a17804854fc7cc766069d84113629d583b9c7c1a08d66e6ae1136230b4N.exe	31
PID 1056 wrote to memory of 2768	1056	539061a17804854fc7cc766069d84113629d583b9c7c1a08d66e6ae1136230b4N.exe	31
PID 2768 wrote to memory of 2924	2768	vbc.exe	32
PID 2768 wrote to memory of 2924	2768	vbc.exe	32
PID 2768 wrote to memory of 2924	2768	vbc.exe	32
PID 2768 wrote to memory of 2924	2768	vbc.exe	32
PID 2768 wrote to memory of 2124	2768	vbc.exe	33
PID 2768 wrote to memory of 2124	2768	vbc.exe	33
PID 2768 wrote to memory of 2124	2768	vbc.exe	33
PID 2768 wrote to memory of 2124	2768	vbc.exe	33
PID 2768 wrote to memory of 2772	2768	vbc.exe	35
PID 2768 wrote to memory of 2772	2768	vbc.exe	35
PID 2768 wrote to memory of 2772	2768	vbc.exe	35
PID 2768 wrote to memory of 2772	2768	vbc.exe	35
PID 2768 wrote to memory of 2936	2768	vbc.exe	37
PID 2768 wrote to memory of 2936	2768	vbc.exe	37
PID 2768 wrote to memory of 2936	2768	vbc.exe	37
PID 2768 wrote to memory of 2936	2768	vbc.exe	37
PID 2924 wrote to memory of 3028	2924	cmd.exe	40
PID 2924 wrote to memory of 3028	2924	cmd.exe	40
PID 2924 wrote to memory of 3028	2924	cmd.exe	40
PID 2924 wrote to memory of 3028	2924	cmd.exe	40
PID 2772 wrote to memory of 2868	2772	cmd.exe	42
PID 2772 wrote to memory of 2868	2772	cmd.exe	42
PID 2772 wrote to memory of 2868	2772	cmd.exe	42
PID 2772 wrote to memory of 2868	2772	cmd.exe	42
PID 2124 wrote to memory of 2720	2124	cmd.exe	41
PID 2124 wrote to memory of 2720	2124	cmd.exe	41
PID 2124 wrote to memory of 2720	2124	cmd.exe	41
PID 2124 wrote to memory of 2720	2124	cmd.exe	41
PID 2936 wrote to memory of 2908	2936	cmd.exe	43
PID 2936 wrote to memory of 2908	2936	cmd.exe	43
PID 2936 wrote to memory of 2908	2936	cmd.exe	43
PID 2936 wrote to memory of 2908	2936	cmd.exe	43

C:\Users\Admin\AppData\Local\Temp\539061a17804854fc7cc766069d84113629d583b9c7c1a08d66e6ae1136230b4N.exe
"C:\Users\Admin\AppData\Local\Temp\539061a17804854fc7cc766069d84113629d583b9c7c1a08d66e6ae1136230b4N.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1056
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2768
- - 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
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2924
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
      4⤵
      Modifies firewall policy service
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:3028
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe:*:Enabled:Windows Messanger" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2124
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Modifies firewall policy service
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:2720
- - 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
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2772
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
      4⤵
      Modifies firewall policy service
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:2868
- - 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\uncrypt.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\uncrypt.exe:*:Enabled:Windows Messanger" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2936
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\uncrypt.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\uncrypt.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Modifies firewall policy service
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:2908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1056-8-0x00000000740C0000-0x000000007466B000-memory.dmp

Filesize
5.7MB

Download
memory/1056-1-0x00000000740C0000-0x000000007466B000-memory.dmp

Filesize
5.7MB

Download
memory/1056-2-0x00000000740C0000-0x000000007466B000-memory.dmp

Filesize
5.7MB

Download
memory/1056-0-0x00000000740C1000-0x00000000740C2000-memory.dmp

Filesize
4KB

Download
memory/2768-14-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2768-13-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2768-4-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2768-16-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2768-17-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2768-18-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2768-21-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2768-22-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2768-24-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2768-25-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2768-26-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads