f94f453101a64eea061afffa5c35c95d1fce1ccf26583872f19a9e2a68be40c5

General

Target

f94f453101a64eea061afffa5c35c95d1fce1ccf26583872f19a9e2a68be40c5.exe
Size

108KB
MD5

62b2845c8526d0427800505bd3fb841b
SHA1

54c3b7a6668bd90c4ae491bb6aa990f35b35243b
SHA256

f94f453101a64eea061afffa5c35c95d1fce1ccf26583872f19a9e2a68be40c5
SHA512

1f5eca6a1123249551bf159617149c6195a2eab46dc5f7c5bad4d314c942c022392e0bcfcb5ba65bd30f6e999bffbf1193e081b588fe46bc7a461273d1538321
SSDEEP

1536:Q5eGgiOaTV+BA5uIpZo/QGoGG8betK4pkSQsVEj:Q5eLiO7GSuGGJ0V+Vm

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	f94f453101a64eea061afffa5c35c95d1fce1ccf26583872f19a9e2a68be40c5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	lsass.exe

Executes dropped EXE 1 IoCs

pid	Process
1376	lsass.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
2008	netsh.exe

Deletes itself 1 IoCs

pid	Process
1376	lsass.exe

Loads dropped DLL 2 IoCs

pid	Process
1720	f94f453101a64eea061afffa5c35c95d1fce1ccf26583872f19a9e2a68be40c5.exe
1720	f94f453101a64eea061afffa5c35c95d1fce1ccf26583872f19a9e2a68be40c5.exe

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	f94f453101a64eea061afffa5c35c95d1fce1ccf26583872f19a9e2a68be40c5.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	f94f453101a64eea061afffa5c35c95d1fce1ccf26583872f19a9e2a68be40c5.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	f94f453101a64eea061afffa5c35c95d1fce1ccf26583872f19a9e2a68be40c5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	f94f453101a64eea061afffa5c35c95d1fce1ccf26583872f19a9e2a68be40c5.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	lsass.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	lsass.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	lsass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1720	f94f453101a64eea061afffa5c35c95d1fce1ccf26583872f19a9e2a68be40c5.exe
1376	lsass.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 2008	1720	f94f453101a64eea061afffa5c35c95d1fce1ccf26583872f19a9e2a68be40c5.exe	27
PID 1720 wrote to memory of 2008	1720	f94f453101a64eea061afffa5c35c95d1fce1ccf26583872f19a9e2a68be40c5.exe	27
PID 1720 wrote to memory of 2008	1720	f94f453101a64eea061afffa5c35c95d1fce1ccf26583872f19a9e2a68be40c5.exe	27
PID 1720 wrote to memory of 2008	1720	f94f453101a64eea061afffa5c35c95d1fce1ccf26583872f19a9e2a68be40c5.exe	27
PID 1720 wrote to memory of 1376	1720	f94f453101a64eea061afffa5c35c95d1fce1ccf26583872f19a9e2a68be40c5.exe	29
PID 1720 wrote to memory of 1376	1720	f94f453101a64eea061afffa5c35c95d1fce1ccf26583872f19a9e2a68be40c5.exe	29
PID 1720 wrote to memory of 1376	1720	f94f453101a64eea061afffa5c35c95d1fce1ccf26583872f19a9e2a68be40c5.exe	29
PID 1720 wrote to memory of 1376	1720	f94f453101a64eea061afffa5c35c95d1fce1ccf26583872f19a9e2a68be40c5.exe	29

C:\Users\Admin\AppData\Local\Temp\f94f453101a64eea061afffa5c35c95d1fce1ccf26583872f19a9e2a68be40c5.exe
"C:\Users\Admin\AppData\Local\Temp\f94f453101a64eea061afffa5c35c95d1fce1ccf26583872f19a9e2a68be40c5.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\lsass.exe" CityScape Enable
  2⤵
  - Modifies Windows Firewall
  PID:2008
- C:\Users\Admin\AppData\Roaming\lsass.exe
  /d C:\Users\Admin\AppData\Local\Temp\f94f453101a64eea061afffa5c35c95d1fce1ccf26583872f19a9e2a68be40c5.exe
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Deletes itself
  - Adds Run key to start application
  - Suspicious use of SetWindowsHookEx
  PID:1376

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\lsass.exe

Filesize
108KB

MD5
09698791cc99e3197344f26604a02fc5

SHA1
23969b4f75b728dcd14b9c6918d0196db652f743

SHA256
72b5b4ac5d54c5c00323fa49472b0efab29759bf38a6e71b0c29ad9e9c1ba852

SHA512
dc3c1b3bdbb0866ba482022f7ba273460953cc27d5af0ec21d10d3cdd8793c3ad3f6dbd0a9a4b79291300ee76e4b259593789b81325b7020ff355d4491964833

Download Submit
\Users\Admin\AppData\Roaming\lsass.exe

Filesize
108KB

MD5
09698791cc99e3197344f26604a02fc5

SHA1
23969b4f75b728dcd14b9c6918d0196db652f743

SHA256
72b5b4ac5d54c5c00323fa49472b0efab29759bf38a6e71b0c29ad9e9c1ba852

SHA512
dc3c1b3bdbb0866ba482022f7ba273460953cc27d5af0ec21d10d3cdd8793c3ad3f6dbd0a9a4b79291300ee76e4b259593789b81325b7020ff355d4491964833

Download Submit
\Users\Admin\AppData\Roaming\lsass.exe

Filesize
108KB

MD5
09698791cc99e3197344f26604a02fc5

SHA1
23969b4f75b728dcd14b9c6918d0196db652f743

SHA256
72b5b4ac5d54c5c00323fa49472b0efab29759bf38a6e71b0c29ad9e9c1ba852

SHA512
dc3c1b3bdbb0866ba482022f7ba273460953cc27d5af0ec21d10d3cdd8793c3ad3f6dbd0a9a4b79291300ee76e4b259593789b81325b7020ff355d4491964833

Download Submit
memory/1720-56-0x00000000757A1000-0x00000000757A3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads