662bb894208dfbfb0f8cdafb530c1d4d28592994275c61918da447671f42ced2

General

Target
jaffacakes118_662bb894208dfbfb0f8cdafb530c1d4d28592994275c61918da447671f42ced2.exe
Size 136KB
Sample260924-mnqweabe59
SHA256 662bb894208dfbfb0f8cdafb530c1d4d28592994275c61918da447671f42ced2
MD5 a345496104fa3cdb585ab91c36e5c153
SHA1 5c3c6f336ae1d6667041ea0a21419e3d6d02d454
SHA512 4cf7398a37225ea046010c54b99f7539da6fb8e06b3939f8291751648450f3b6451be5ee173ddee8016d3e70973d02ead75a47e7ad7cd079a741ba9b24b50efe
SSDEEP 1536:J/mBBoQSc4FhTBgghQGgVObBFQBv99kp93YQDXN4aJk3nyE5:ZmBBQTBgghbv4Bvbkp1YQjnC
TLSH
T11AD36C0376DA08B1E658467020AB57F2817DB9615AF3BADE7F20DD6E0C3B5239D32607
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery persistence

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\Userinit = "C:\\WINDOWS\\system32\\Userinit.exe,C:\\Program Files\\Common Files\\System\\ado\\lsasss.exe,C:\\Program Files\\Common Files\\System\\msadc\\system32.exe"	lsasss.exe

Executes dropped EXE 1 IoCs

pid	Process
5440	lsasss.exe

Network Share Discovery 1 TTPs
Attempt to gather information on host network.
discovery

Network Share Discovery
T1135

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\SysWOW64\vsdertl32.DIG	jaffacakes118_662bb894208dfbfb0f8cdafb530c1d4d28592994275c61918da447671f42ced2.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\ado\lsasss.exe	jaffacakes118_662bb894208dfbfb0f8cdafb530c1d4d28592994275c61918da447671f42ced2.exe
File created	C:\Program Files\Common Files\System\ado\server32.exe	jaffacakes118_662bb894208dfbfb0f8cdafb530c1d4d28592994275c61918da447671f42ced2.exe
File opened for modification	C:\Program Files\Common Files\System\ado\lsasss.exe	jaffacakes118_662bb894208dfbfb0f8cdafb530c1d4d28592994275c61918da447671f42ced2.exe
File opened for modification	C:\Program Files\Common Files\System\ado\server32.exe	jaffacakes118_662bb894208dfbfb0f8cdafb530c1d4d28592994275c61918da447671f42ced2.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	\??\c:\windows\inf\icuc32.dll	lsasss.exe
File opened for modification	\??\c:\windows\inf\icuc32.dll	lsasss.exe
File created	\??\c:\windows\inf\icucd32.dll	lsasss.exe
File opened for modification	\??\c:\windows\inf\icucd32.dll	lsasss.exe
File created	\??\c:\windows\inf\servers.exe	lsasss.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 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	jaffacakes118_662bb894208dfbfb0f8cdafb530c1d4d28592994275c61918da447671f42ced2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsasss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Suspicious behavior: EnumeratesProcesses 38 IoCs

pid	Process
5940	jaffacakes118_662bb894208dfbfb0f8cdafb530c1d4d28592994275c61918da447671f42ced2.exe
5940	jaffacakes118_662bb894208dfbfb0f8cdafb530c1d4d28592994275c61918da447671f42ced2.exe
5940	jaffacakes118_662bb894208dfbfb0f8cdafb530c1d4d28592994275c61918da447671f42ced2.exe
5940	jaffacakes118_662bb894208dfbfb0f8cdafb530c1d4d28592994275c61918da447671f42ced2.exe
5940	jaffacakes118_662bb894208dfbfb0f8cdafb530c1d4d28592994275c61918da447671f42ced2.exe
5940	jaffacakes118_662bb894208dfbfb0f8cdafb530c1d4d28592994275c61918da447671f42ced2.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe
5440	lsasss.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5440	lsasss.exe
Token: SeDebugPrivilege	5440	lsasss.exe
Token: SeDebugPrivilege	5440	lsasss.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
5940	jaffacakes118_662bb894208dfbfb0f8cdafb530c1d4d28592994275c61918da447671f42ced2.exe
5440	lsasss.exe
5440	lsasss.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 5940 wrote to memory of 5440	5940	jaffacakes118_662bb894208dfbfb0f8cdafb530c1d4d28592994275c61918da447671f42ced2.exe	90
PID 5440 wrote to memory of 4796	5440	lsasss.exe	91
PID 5440 wrote to memory of 5392	5440	lsasss.exe	93
PID 4796 wrote to memory of 4992	4796	net.exe	95
PID 5392 wrote to memory of 5420	5392	net.exe	96
PID 5440 wrote to memory of 2464	5440	lsasss.exe	65
PID 5440 wrote to memory of 2464	5440	lsasss.exe	65

C:\Windows\system32\ctfmon.exe
/QuitInfo:0000000000000268;000000000000026C;
1⤵
PID:2464

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_662bb894208dfbfb0f8cdafb530c1d4d28592994275c61918da447671f42ced2.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_662bb894208dfbfb0f8cdafb530c1d4d28592994275c61918da447671f42ced2.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5940
- C:\Program Files\Common Files\System\ado\lsasss.exe
  "C:\Program Files\Common Files\System\ado\lsasss.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5440
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\System32\net.exe" stop sharedaccess
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4796
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop sharedaccess
      4⤵
      System Location Discovery: System Language Discovery
      PID:4992
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\System32\net.exe" stop sharedaccess
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5392
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop sharedaccess
      4⤵
      System Location Discovery: System Language Discovery
      PID:5420

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Network Share Discovery

1

T1135

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

lsasss.exe

Path C:\Program Files\Common Files\System\ado\lsasss.exe
Size 136KB
SHA256 662bb894208dfbfb0f8cdafb530c1d4d28592994275c61918da447671f42ced2
MD5 a345496104fa3cdb585ab91c36e5c153
SHA1 5c3c6f336ae1d6667041ea0a21419e3d6d02d454
SHA512 4cf7398a37225ea046010c54b99f7539da6fb8e06b3939f8291751648450f3b6451be5ee173ddee8016d3e70973d02ead75a47e7ad7cd079a741ba9b24b50efe
SSDEEP 1536:J/mBBoQSc4FhTBgghQGgVObBFQBv99kp93YQDXN4aJk3nyE5:ZmBBQTBgghbv4Bvbkp1YQjnC
TLSH
T11AD36C0376DA08B1E658467020AB57F2817DB9615AF3BADE7F20DD6E0C3B5239D32607
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads