1ba444d8a2c31266e40a412aadabe7d2a309c7e85b5d8d84e5607abd19da7e81

General

Target
SecuriteInfo.com.Generic.mg.c82ce3bd93bd8c12.29329.exe
Size 235KB
Sample201109-5l4x992tee
SHA256 1ba444d8a2c31266e40a412aadabe7d2a309c7e85b5d8d84e5607abd19da7e81
MD5 c82ce3bd93bd8c12778911a466c22a44
SHA1 9f8000f51a5b4557d4abef7e3b0cbf251bed81fe
SHA512 1e96d138ea96d6e44aee3b51ed14871c76847d4011d04281115db6befa58a32138991a91ccf4bc79b1ab31110867fcaf5dcab3728ce3d5fcb7b5bb90e037d217
MD5 SHA1 SHA512

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\ProgramData\\ErrorResponder\\responder.exe\""	responder.exe

Executes dropped EXE 1 IoCs

pid	Process
1388	responder.exe

Deletes itself 1 IoCs

pid	Process
1388	responder.exe

Loads dropped DLL 2 IoCs

pid	Process
1688	SecuriteInfo.com.Generic.mg.c82ce3bd93bd8c12.29329.exe
1688	SecuriteInfo.com.Generic.mg.c82ce3bd93bd8c12.29329.exe

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\G:	responder.exe
File opened (read-only)	\??\K:	responder.exe
File opened (read-only)	\??\M:	responder.exe
File opened (read-only)	\??\S:	responder.exe
File opened (read-only)	\??\Y:	responder.exe
File opened (read-only)	\??\Z:	responder.exe
File opened (read-only)	\??\H:	responder.exe
File opened (read-only)	\??\L:	responder.exe
File opened (read-only)	\??\N:	responder.exe
File opened (read-only)	\??\P:	responder.exe
File opened (read-only)	\??\T:	responder.exe
File opened (read-only)	\??\W:	responder.exe
File opened (read-only)	\??\X:	responder.exe
File opened (read-only)	\??\B:	responder.exe
File opened (read-only)	\??\E:	responder.exe
File opened (read-only)	\??\I:	responder.exe
File opened (read-only)	\??\J:	responder.exe
File opened (read-only)	\??\Q:	responder.exe
File opened (read-only)	\??\R:	responder.exe
File opened (read-only)	\??\V:	responder.exe
File opened (read-only)	\??\A:	responder.exe
File opened (read-only)	\??\F:	responder.exe
File opened (read-only)	\??\O:	responder.exe
File opened (read-only)	\??\U:	responder.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
564	1728	WerFault.exe	30

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1388	responder.exe
564	WerFault.exe
564	WerFault.exe
564	WerFault.exe
564	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	564	WerFault.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 1388	1688	SecuriteInfo.com.Generic.mg.c82ce3bd93bd8c12.29329.exe	29
PID 1688 wrote to memory of 1388	1688	SecuriteInfo.com.Generic.mg.c82ce3bd93bd8c12.29329.exe	29
PID 1688 wrote to memory of 1388	1688	SecuriteInfo.com.Generic.mg.c82ce3bd93bd8c12.29329.exe	29
PID 1688 wrote to memory of 1388	1688	SecuriteInfo.com.Generic.mg.c82ce3bd93bd8c12.29329.exe	29
PID 1388 wrote to memory of 1728	1388	responder.exe	30
PID 1388 wrote to memory of 1728	1388	responder.exe	30
PID 1388 wrote to memory of 1728	1388	responder.exe	30
PID 1388 wrote to memory of 1728	1388	responder.exe	30
PID 1388 wrote to memory of 1728	1388	responder.exe	30
PID 1388 wrote to memory of 1728	1388	responder.exe	30
PID 1388 wrote to memory of 1728	1388	responder.exe	30
PID 1388 wrote to memory of 1728	1388	responder.exe	30
PID 1388 wrote to memory of 1728	1388	responder.exe	30
PID 1388 wrote to memory of 1728	1388	responder.exe	30
PID 1388 wrote to memory of 1728	1388	responder.exe	30
PID 1728 wrote to memory of 564	1728	secinit.exe	31
PID 1728 wrote to memory of 564	1728	secinit.exe	31
PID 1728 wrote to memory of 564	1728	secinit.exe	31
PID 1728 wrote to memory of 564	1728	secinit.exe	31

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.c82ce3bd93bd8c12.29329.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.c82ce3bd93bd8c12.29329.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1688
- C:\ProgramData\ErrorResponder\responder.exe
  C:\ProgramData\ErrorResponder\responder.exe "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.c82ce3bd93bd8c12.29329.exe" ensgJJ
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Deletes itself
  - Enumerates connected drives
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1388
- - C:\Windows\SysWOW64\secinit.exe
    C:\ProgramData\ErrorResponder\responder.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1728
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1728 -s 136
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:564

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/564-18-0x00000000024A0000-0x00000000024B1000-memory.dmp

Download

memory/564-15-0x0000000001E30000-0x0000000001E41000-memory.dmp

Download

memory/1388-9-0x0000000001D90000-0x0000000001DA1000-memory.dmp

Download

memory/1388-8-0x000000000028B000-0x000000000028C000-memory.dmp

Download

memory/1388-11-0x0000000001D90000-0x0000000001DA1000-memory.dmp

Download

memory/1688-0-0x00000000003EB000-0x00000000003EC000-memory.dmp

Download

memory/1688-3-0x0000000001C00000-0x0000000001C11000-memory.dmp

Download

memory/1688-1-0x0000000001C00000-0x0000000001C11000-memory.dmp

Download

memory/1728-12-0x0000000000080000-0x0000000000081000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads