1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195

Analysis

max time kernel
149s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2024, 19:23

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General

Target

1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe
Size

1.7MB
MD5

ce281d3cea993ab4c7a151308a215b99
SHA1

f2bc0362a45665ea5f7eaae0305a65a9dc412539
SHA256

1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195
SHA512

6b535c2355d9d11aca6d74d5d02fea0638668a9e51aca3ca38480bd0719f9a7f84ddda49f767816242d966948d898d1d90ad9efe45a3236f009e9eb7b3ca7b24
SSDEEP

24576:89SQXgnU56Gt4ULYVI8RGwvrK7/ckFLI78cP9:ssnxUA

Score

10^/10

discovery evasion persistence trojan upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe, C:\\Program Files (x86)\\Internet Explorer\\Ieupdate.exe"	reg.exe

Modifies firewall policy service 3 TTPs 10 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
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\vb6.exe = "C:\\Users\\Admin\\AppData\\Roaming\\vb6.exe:*:Enabled:Windows Messanger"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Program Files (x86)\Internet Explorer\Ieupdate.exe = "C:\\Program Files (x86)\\Internet Explorer\\Ieupdate.exe:*:Enabled:Windows Messanger"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	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

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	reg.exe

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	Ieupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\Microsoft = "C:\\Users\\Admin\\AppData\\Roaming\\vb6.exe"	Ieupdate.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{EAFF07AB-FA6F-2EBB-4DBF-CDBBEA4DDCE3}	Ieupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{EAFF07AB-FA6F-2EBB-4DBF-CDBBEA4DDCE3}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\vb6.exe"	Ieupdate.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{EAFF07AB-FA6F-2EBB-4DBF-CDBBEA4DDCE3}	Ieupdate.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{EAFF07AB-FA6F-2EBB-4DBF-CDBBEA4DDCE3}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\vb6.exe"	Ieupdate.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe

Executes dropped EXE 3 IoCs

pid	Process
1188	Ieupdate.exe
2724	Ieupdate.exe
1476	Ieupdate.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\Run\Microsoft = "C:\\Users\\Admin\\AppData\\Roaming\\vb6.exe"	Ieupdate.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft = "C:\\Users\\Admin\\AppData\\Roaming\\vb6.exe"	Ieupdate.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\IeUpdate = "C:\\Program Files (x86)\\Internet Explorer\\Ieupdate.exe"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\IeUpdate = "C:\\Program Files (x86)\\Internet Explorer\\Ieupdate.exe"	reg.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Ieupdate.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1188 set thread context of 2724	1188	Ieupdate.exe	101
PID 1188 set thread context of 1476	1188	Ieupdate.exe	102

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4052-0-0x0000000000400000-0x00000000005A9000-memory.dmp	upx
behavioral2/files/0x000e000000023b00-40.dat	upx
behavioral2/memory/4052-52-0x0000000000400000-0x00000000005A9000-memory.dmp	upx
behavioral2/memory/2724-55-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral2/memory/2724-58-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral2/memory/2724-57-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral2/memory/1476-59-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral2/memory/1476-65-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral2/memory/1476-66-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral2/memory/1188-72-0x0000000000400000-0x00000000005A9000-memory.dmp	upx
behavioral2/memory/2724-73-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral2/memory/1476-77-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral2/memory/2724-78-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral2/memory/2724-83-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral2/memory/2724-87-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral2/memory/2724-91-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral2/memory/2724-95-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral2/memory/2724-103-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral2/memory/2724-107-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral2/memory/2724-111-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral2/memory/2724-115-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral2/memory/2724-119-0x0000000000400000-0x000000000045C000-memory.dmp	upx

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Internet Explorer\Ieupdate.exe	1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe
File opened for modification	C:\Program Files (x86)\Internet Explorer\Ieupdate.exe	Ieupdate.exe
File opened for modification	C:\Program Files (x86)\Internet Explorer\Ieupdate.exe	Ieupdate.exe
File created	C:\Program Files (x86)\Internet Explorer\Ieupdate.txt	1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe
File opened for modification	C:\Program Files (x86)\Internet Explorer\Ieupdate.txt	1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe

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 21 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	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	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ieupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ieupdate.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	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	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ieupdate.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	1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry key 1 TTPs 4 IoCs

Modify Registry

T1112

pid	Process
404	reg.exe
2340	reg.exe
2464	reg.exe
2400	reg.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: 1	2724	Ieupdate.exe
Token: SeCreateTokenPrivilege	2724	Ieupdate.exe
Token: SeAssignPrimaryTokenPrivilege	2724	Ieupdate.exe
Token: SeLockMemoryPrivilege	2724	Ieupdate.exe
Token: SeIncreaseQuotaPrivilege	2724	Ieupdate.exe
Token: SeMachineAccountPrivilege	2724	Ieupdate.exe
Token: SeTcbPrivilege	2724	Ieupdate.exe
Token: SeSecurityPrivilege	2724	Ieupdate.exe
Token: SeTakeOwnershipPrivilege	2724	Ieupdate.exe
Token: SeLoadDriverPrivilege	2724	Ieupdate.exe
Token: SeSystemProfilePrivilege	2724	Ieupdate.exe
Token: SeSystemtimePrivilege	2724	Ieupdate.exe
Token: SeProfSingleProcessPrivilege	2724	Ieupdate.exe
Token: SeIncBasePriorityPrivilege	2724	Ieupdate.exe
Token: SeCreatePagefilePrivilege	2724	Ieupdate.exe
Token: SeCreatePermanentPrivilege	2724	Ieupdate.exe
Token: SeBackupPrivilege	2724	Ieupdate.exe
Token: SeRestorePrivilege	2724	Ieupdate.exe
Token: SeShutdownPrivilege	2724	Ieupdate.exe
Token: SeDebugPrivilege	2724	Ieupdate.exe
Token: SeAuditPrivilege	2724	Ieupdate.exe
Token: SeSystemEnvironmentPrivilege	2724	Ieupdate.exe
Token: SeChangeNotifyPrivilege	2724	Ieupdate.exe
Token: SeRemoteShutdownPrivilege	2724	Ieupdate.exe
Token: SeUndockPrivilege	2724	Ieupdate.exe
Token: SeSyncAgentPrivilege	2724	Ieupdate.exe
Token: SeEnableDelegationPrivilege	2724	Ieupdate.exe
Token: SeManageVolumePrivilege	2724	Ieupdate.exe
Token: SeImpersonatePrivilege	2724	Ieupdate.exe
Token: SeCreateGlobalPrivilege	2724	Ieupdate.exe
Token: 31	2724	Ieupdate.exe
Token: 32	2724	Ieupdate.exe
Token: 33	2724	Ieupdate.exe
Token: 34	2724	Ieupdate.exe
Token: 35	2724	Ieupdate.exe
Token: SeDebugPrivilege	1476	Ieupdate.exe
Token: SeDebugPrivilege	2724	Ieupdate.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
4052	1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe
1188	Ieupdate.exe
1188	Ieupdate.exe
2724	Ieupdate.exe
2724	Ieupdate.exe
2724	Ieupdate.exe
1476	Ieupdate.exe
1476	Ieupdate.exe
2724	Ieupdate.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4052 wrote to memory of 2180	4052	1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe	85
PID 4052 wrote to memory of 2180	4052	1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe	85
PID 4052 wrote to memory of 2180	4052	1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe	85
PID 2180 wrote to memory of 4244	2180	cmd.exe	89
PID 2180 wrote to memory of 4244	2180	cmd.exe	89
PID 2180 wrote to memory of 4244	2180	cmd.exe	89
PID 2180 wrote to memory of 668	2180	cmd.exe	90
PID 2180 wrote to memory of 668	2180	cmd.exe	90
PID 2180 wrote to memory of 668	2180	cmd.exe	90
PID 4052 wrote to memory of 232	4052	1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe	91
PID 4052 wrote to memory of 232	4052	1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe	91
PID 4052 wrote to memory of 232	4052	1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe	91
PID 232 wrote to memory of 1332	232	cmd.exe	93
PID 232 wrote to memory of 1332	232	cmd.exe	93
PID 232 wrote to memory of 1332	232	cmd.exe	93
PID 4052 wrote to memory of 3928	4052	1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe	94
PID 4052 wrote to memory of 3928	4052	1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe	94
PID 4052 wrote to memory of 3928	4052	1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe	94
PID 3928 wrote to memory of 1964	3928	cmd.exe	96
PID 3928 wrote to memory of 1964	3928	cmd.exe	96
PID 3928 wrote to memory of 1964	3928	cmd.exe	96
PID 4052 wrote to memory of 5068	4052	1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe	97
PID 4052 wrote to memory of 5068	4052	1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe	97
PID 4052 wrote to memory of 5068	4052	1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe	97
PID 5068 wrote to memory of 3500	5068	cmd.exe	99
PID 5068 wrote to memory of 3500	5068	cmd.exe	99
PID 5068 wrote to memory of 3500	5068	cmd.exe	99
PID 4052 wrote to memory of 1188	4052	1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe	100
PID 4052 wrote to memory of 1188	4052	1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe	100
PID 4052 wrote to memory of 1188	4052	1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe	100
PID 1188 wrote to memory of 2724	1188	Ieupdate.exe	101
PID 1188 wrote to memory of 2724	1188	Ieupdate.exe	101
PID 1188 wrote to memory of 2724	1188	Ieupdate.exe	101
PID 1188 wrote to memory of 2724	1188	Ieupdate.exe	101
PID 1188 wrote to memory of 2724	1188	Ieupdate.exe	101
PID 1188 wrote to memory of 2724	1188	Ieupdate.exe	101
PID 1188 wrote to memory of 2724	1188	Ieupdate.exe	101
PID 1188 wrote to memory of 2724	1188	Ieupdate.exe	101
PID 1188 wrote to memory of 1476	1188	Ieupdate.exe	102
PID 1188 wrote to memory of 1476	1188	Ieupdate.exe	102
PID 1188 wrote to memory of 1476	1188	Ieupdate.exe	102
PID 1188 wrote to memory of 1476	1188	Ieupdate.exe	102
PID 1188 wrote to memory of 1476	1188	Ieupdate.exe	102
PID 1188 wrote to memory of 1476	1188	Ieupdate.exe	102
PID 1188 wrote to memory of 1476	1188	Ieupdate.exe	102
PID 1188 wrote to memory of 1476	1188	Ieupdate.exe	102
PID 2724 wrote to memory of 4216	2724	Ieupdate.exe	103
PID 2724 wrote to memory of 4216	2724	Ieupdate.exe	103
PID 2724 wrote to memory of 4216	2724	Ieupdate.exe	103
PID 2724 wrote to memory of 4416	2724	Ieupdate.exe	104
PID 2724 wrote to memory of 4416	2724	Ieupdate.exe	104
PID 2724 wrote to memory of 4416	2724	Ieupdate.exe	104
PID 2724 wrote to memory of 860	2724	Ieupdate.exe	105
PID 2724 wrote to memory of 860	2724	Ieupdate.exe	105
PID 2724 wrote to memory of 860	2724	Ieupdate.exe	105
PID 2724 wrote to memory of 2684	2724	Ieupdate.exe	106
PID 2724 wrote to memory of 2684	2724	Ieupdate.exe	106
PID 2724 wrote to memory of 2684	2724	Ieupdate.exe	106
PID 860 wrote to memory of 404	860	cmd.exe	111
PID 860 wrote to memory of 404	860	cmd.exe	111
PID 860 wrote to memory of 404	860	cmd.exe	111
PID 4416 wrote to memory of 2464	4416	cmd.exe	112
PID 4416 wrote to memory of 2464	4416	cmd.exe	112
PID 4416 wrote to memory of 2464	4416	cmd.exe	112

C:\Users\Admin\AppData\Local\Temp\1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe
"C:\Users\Admin\AppData\Local\Temp\1ac7b11f2970f58550848929c1a9899132f5914e0922325a277572318c2ce195.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4052
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JNYVYK.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2180
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Security Center /v UACDisableNotify /t REG_DWORD /d 0 /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4244
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
    3⤵
    - UAC bypass
    - System Location Discovery: System Language Discovery
    PID:668
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\QPxhZ.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:232
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "IeUpdate" /t REG_SZ /d "C:\Program Files (x86)\Internet Explorer\Ieupdate.exe" /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:1332
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\leXGB.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3928
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "IeUpdate" /t REG_SZ /d "C:\Program Files (x86)\Internet Explorer\Ieupdate.exe" /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:1964
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ZEpoN.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5068
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v "Shell" /t REG_SZ /d "Explorer.exe, C:\Program Files (x86)\Internet Explorer\Ieupdate.exe" /f
    3⤵
    - Modifies WinLogon for persistence
    - System Location Discovery: System Language Discovery
    PID:3500
- C:\Program Files (x86)\Internet Explorer\Ieupdate.exe
  "C:\Program Files (x86)\Internet Explorer\Ieupdate.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1188
- - C:\Program Files (x86)\Internet Explorer\Ieupdate.exe
    "C:\Program Files (x86)\Internet Explorer\Ieupdate.exe"
    3⤵
    - Adds policy Run key to start application
    - Boot or Logon Autostart Execution: Active Setup
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2724
  - - 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
      4⤵
      System Location Discovery: System Language Discovery
      PID:4216
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        5⤵
        Modifies firewall policy service
        System Location Discovery: System Language Discovery
        Modifies registry key
        
        PID:2340
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Program Files (x86)\Internet Explorer\Ieupdate.exe" /t REG_SZ /d "C:\Program Files (x86)\Internet Explorer\Ieupdate.exe:*:Enabled:Windows Messanger" /f
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4416
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Program Files (x86)\Internet Explorer\Ieupdate.exe" /t REG_SZ /d "C:\Program Files (x86)\Internet Explorer\Ieupdate.exe:*:Enabled:Windows Messanger" /f
        5⤵
        Modifies firewall policy service
        System Location Discovery: System Language Discovery
        Modifies registry key
        
        PID:2464
  - - 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
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:860
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        5⤵
        Modifies firewall policy service
        System Location Discovery: System Language Discovery
        Modifies registry key
        
        PID:404
  - - 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\vb6.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\vb6.exe:*:Enabled:Windows Messanger" /f
      4⤵
      System Location Discovery: System Language Discovery
      PID:2684
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\vb6.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\vb6.exe:*:Enabled:Windows Messanger" /f
        5⤵
        Modifies firewall policy service
        System Location Discovery: System Language Discovery
        Modifies registry key
        
        PID:2400
- - C:\Program Files (x86)\Internet Explorer\Ieupdate.exe
    "C:\Program Files (x86)\Internet Explorer\Ieupdate.exe"
    3⤵
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

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

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Downloads

C:\Program Files (x86)\Internet Explorer\Ieupdate.txt

Filesize
1.7MB

MD5
9165acefd179d0f1b2603eca6c24d3af

SHA1
5e3a69a13bf0f4164294b6d06a3239f576fc8cd9

SHA256
258a05750fecd680525bfd424fd11bc23fad673940ae6698c66b4969fc44ba4d

SHA512
f45a275aab9646eb6d4e69a6f7d5b87c7d5f227a43838b988f0e20473b9ae2033571d3f21d5952ae59700961d2887ef77ea59572f7bcdfd6f2bd345018cb530b

Download Submit
C:\Users\Admin\AppData\Local\Temp\JNYVYK.txt

Filesize
274B

MD5
9fcec2a4ee61953e0d4867261a39ea32

SHA1
d552acf26d9fcc31a9da82ecce503b16a11e9d2a

SHA256
24c5da914d1f429c07ef17dfb7d4d0c90eb060e5a9bd009963fba83b1dd6cae3

SHA512
57d8a88138645780357a88658f21f833efa0ba657dd1fefa6458ba930731e1949216b518f26ab995241837bc7e6eff90b46e5cb5ec34364d2f89db09779e5564

Download Submit
C:\Users\Admin\AppData\Local\Temp\QPxhZ.bat

Filesize
148B

MD5
5d73853d695283e13b412c88ec62984c

SHA1
672379399a80a746a8f0d8043bbf98956101d0ca

SHA256
59884297b763a498c1f55e4ba57f04597ab37677feb9b686839e7553942cf335

SHA512
9043d02ec14cc4869cc8c01562838c11448e2bff42af32ec0a60de76fa8915c3a3a50529ce567c6cb93d2691525b38862257993674c263ed25f6625e370cb2d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\ZEpoN.bat

Filesize
181B

MD5
09d67635a7674b12183c3f0668ce0cd1

SHA1
c3fe2225cc5198a1c33df0342a95528c2e657a6d

SHA256
972e896e8649a5d2caf286a0d75db99909587b1d2f4683870207b547c3bc02d9

SHA512
b37bdad4fb0e9ab947ea5750337de073907d31156d0d00a1a79392741ced2d1aabf1cc2d92581d7f068266f82cd5b2c10fd7e5c573044e6ce77dea6da6dde321

Download Submit
C:\Users\Admin\AppData\Local\Temp\leXGB.bat

Filesize
148B

MD5
3d470539cbafa762cdb72a4635ad553d

SHA1
4bda3e7de91052dc7d073d8b278ad09ad0d10fa6

SHA256
9f0571e3567d7e1849c7bd5dd7b7a2be942ec44aea6c8bb32d415874b7282691

SHA512
42b168fabd5ddd175ccd143d4f9338880aad03eb22d07fb8a2e13f387015b9eb1d23307bff3ae370c95a5644c88c5e9f7c8b12b332b595c79be069ffc92a448e

Download Submit
memory/1188-72-0x0000000000400000-0x00000000005A9000-memory.dmp

Filesize
1.7MB

Download
memory/1476-59-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1476-77-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1476-66-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1476-65-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2724-87-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2724-83-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2724-58-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2724-55-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2724-73-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2724-119-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2724-78-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2724-57-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2724-115-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2724-91-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2724-95-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2724-103-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2724-107-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2724-111-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/4052-0-0x0000000000400000-0x00000000005A9000-memory.dmp

Filesize
1.7MB

Download
memory/4052-52-0x0000000000400000-0x00000000005A9000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads