77f03b6e7ff483c1e4e156f1279a0d3d788494968917f6f947505b762dcb12d5

General

Target

29ec600836346c641b153f753ed721fa.exe
Size

503KB
MD5

29ec600836346c641b153f753ed721fa
SHA1

1491d34b229bf06de9c791e6b28eb91d13e542e2
SHA256

77f03b6e7ff483c1e4e156f1279a0d3d788494968917f6f947505b762dcb12d5
SHA512

b32231ada19d28829063b72e21f16fb42c2711a61ddaf3eaf804dcb236384528d5a95587cf77363804b1e4ffdf99e25b83d02d1d0225e1bd2c05151daa904f94
SSDEEP

12288:yc+qifEn16C7bFZr8nnnImLkBlTAHDOR96Btb1:12EF7Jl8ImRjORWb

Score

10^/10

evasion persistence trojan

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 %WINDIR%\\WinMgmt.exe"	WinMgmt.exe

Modifies security service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	WinMgmt.exe

Windows security bypass 2 TTPs 5 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	WinMgmt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	WinMgmt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	WinMgmt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	WinMgmt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	WinMgmt.exe

Deletes itself 1 IoCs

pid	Process
2884	WinMgmt.exe

Executes dropped EXE 1 IoCs

pid	Process
2884	WinMgmt.exe

Windows security modification 2 TTPs 5 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	WinMgmt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	WinMgmt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	WinMgmt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	WinMgmt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	WinMgmt.exe

Drops file in System32 directory 8 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\tftp.exe	WinMgmt.exe
File opened for modification	C:\Windows\SysWOW64\dllcache\tftp.exe	WinMgmt.exe
File opened for modification	C:\Windows\SysWOW64\microsoft\backup.ftp	WinMgmt.exe
File opened for modification	C:\Windows\SysWOW64\microsoft\backup.tftp	WinMgmt.exe
File created	C:\Windows\SysWOW64\microsoft\backup.ftp	WinMgmt.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	WinMgmt.exe
File opened for modification	C:\Windows\SysWOW64\ftp.exe	WinMgmt.exe
File opened for modification	C:\Windows\SysWOW64\dllcache\ftp.exe	WinMgmt.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\WinMgmt.exe	29ec600836346c641b153f753ed721fa.exe
File opened for modification	C:\Windows\WinMgmt.exe	29ec600836346c641b153f753ed721fa.exe

Modifies data under HKEY_USERS 16 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	WinMgmt.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft	WinMgmt.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows	WinMgmt.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion	WinMgmt.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	WinMgmt.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1"	WinMgmt.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	WinMgmt.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	WinMgmt.exe
Key created	\REGISTRY\USER\.DEFAULT	WinMgmt.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	WinMgmt.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	WinMgmt.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies	WinMgmt.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	WinMgmt.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	WinMgmt.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	WinMgmt.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System	WinMgmt.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2868	29ec600836346c641b153f753ed721fa.exe
2884	WinMgmt.exe
2884	WinMgmt.exe
2884	WinMgmt.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2884	WinMgmt.exe

C:\Users\Admin\AppData\Local\Temp\29ec600836346c641b153f753ed721fa.exe
"C:\Users\Admin\AppData\Local\Temp\29ec600836346c641b153f753ed721fa.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:2868

C:\Windows\WinMgmt.exe
"C:\Windows\WinMgmt.exe"
1⤵
- Modifies WinLogon for persistence
- Modifies security service
- Windows security bypass
- Deletes itself
- Executes dropped EXE
- Windows security modification
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2868-9-0x0000000004100000-0x0000000004101000-memory.dmp

Filesize
4KB

Download
memory/2868-0-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/2868-1-0x0000000004050000-0x0000000004052000-memory.dmp

Filesize
8KB

Download
memory/2868-2-0x00000000040F0000-0x00000000040F1000-memory.dmp

Filesize
4KB

Download
memory/2868-3-0x0000000004090000-0x0000000004091000-memory.dmp

Filesize
4KB

Download
memory/2868-6-0x0000000004120000-0x0000000004122000-memory.dmp

Filesize
8KB

Download
memory/2868-7-0x0000000004080000-0x0000000004081000-memory.dmp

Filesize
4KB

Download
memory/2868-8-0x0000000001E50000-0x0000000001E51000-memory.dmp

Filesize
4KB

Download
memory/2868-11-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/2884-16-0x0000000004080000-0x0000000004081000-memory.dmp

Filesize
4KB

Download
memory/2884-26-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/2884-14-0x0000000004100000-0x0000000004101000-memory.dmp

Filesize
4KB

Download
memory/2884-13-0x00000000006E0000-0x00000000006E2000-memory.dmp

Filesize
8KB

Download
memory/2884-17-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/2884-18-0x00000000040E0000-0x00000000040E1000-memory.dmp

Filesize
4KB

Download
memory/2884-19-0x00000000040D0000-0x00000000040D1000-memory.dmp

Filesize
4KB

Download
memory/2884-20-0x00000000006D0000-0x00000000006D1000-memory.dmp

Filesize
4KB

Download
memory/2884-21-0x0000000004110000-0x0000000004111000-memory.dmp

Filesize
4KB

Download
memory/2884-22-0x0000000004060000-0x0000000004061000-memory.dmp

Filesize
4KB

Download
memory/2884-23-0x0000000004130000-0x0000000004131000-memory.dmp

Filesize
4KB

Download
memory/2884-12-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/2884-24-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/2884-15-0x0000000004090000-0x0000000004091000-memory.dmp

Filesize
4KB

Download
memory/2884-25-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/2884-27-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/2884-28-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/2884-29-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/2884-31-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/2884-32-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/2884-33-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/2884-34-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/2884-35-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/2884-36-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/2884-37-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/2884-38-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/2884-39-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads