983d5da5a77bd35296ad8569ec9eeeb0b7984f9deadf4d7b65842275da53ca72

General

Target
SecuriteInfo.com.Generic.mg.f10fa882881f9083.11555.exe
Size 196KB
Sample201109-fd2qqfp6k6
SHA256 983d5da5a77bd35296ad8569ec9eeeb0b7984f9deadf4d7b65842275da53ca72
MD5 f10fa882881f9083f8184209142842f3
SHA1 c1eaf9dfd4111bc0498d213cfbc90ee5d9e483a4
SHA512 3c3004d9d1588b92f766c0c304e5cbd3d63921c161cf6a053adde164df1e2ba5fd3d27068f3976d72912f8d04fc0c4c7e83ea5d4d02ef722adb7de2861aab81d
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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\ProgramData\\Ostersin\\gennt.exe\""	gennt.exe

Executes dropped EXE 1 IoCs

pid	Process
2028	gennt.exe

Deletes itself 1 IoCs

pid	Process
2028	gennt.exe

Loads dropped DLL 2 IoCs

pid	Process
1588	SecuriteInfo.com.Generic.mg.f10fa882881f9083.11555.exe
1588	SecuriteInfo.com.Generic.mg.f10fa882881f9083.11555.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)	\??\Q:	gennt.exe
File opened (read-only)	\??\X:	gennt.exe
File opened (read-only)	\??\Z:	gennt.exe
File opened (read-only)	\??\B:	gennt.exe
File opened (read-only)	\??\H:	gennt.exe
File opened (read-only)	\??\L:	gennt.exe
File opened (read-only)	\??\N:	gennt.exe
File opened (read-only)	\??\O:	gennt.exe
File opened (read-only)	\??\R:	gennt.exe
File opened (read-only)	\??\T:	gennt.exe
File opened (read-only)	\??\W:	gennt.exe
File opened (read-only)	\??\A:	gennt.exe
File opened (read-only)	\??\E:	gennt.exe
File opened (read-only)	\??\P:	gennt.exe
File opened (read-only)	\??\U:	gennt.exe
File opened (read-only)	\??\V:	gennt.exe
File opened (read-only)	\??\F:	gennt.exe
File opened (read-only)	\??\G:	gennt.exe
File opened (read-only)	\??\I:	gennt.exe
File opened (read-only)	\??\J:	gennt.exe
File opened (read-only)	\??\K:	gennt.exe
File opened (read-only)	\??\M:	gennt.exe
File opened (read-only)	\??\S:	gennt.exe
File opened (read-only)	\??\Y:	gennt.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1356	1332	WerFault.exe	30

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2028	gennt.exe
1356	WerFault.exe
1356	WerFault.exe
1356	WerFault.exe
1356	WerFault.exe
1356	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1356	WerFault.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1588 wrote to memory of 2028	1588	SecuriteInfo.com.Generic.mg.f10fa882881f9083.11555.exe	29
PID 1588 wrote to memory of 2028	1588	SecuriteInfo.com.Generic.mg.f10fa882881f9083.11555.exe	29
PID 1588 wrote to memory of 2028	1588	SecuriteInfo.com.Generic.mg.f10fa882881f9083.11555.exe	29
PID 1588 wrote to memory of 2028	1588	SecuriteInfo.com.Generic.mg.f10fa882881f9083.11555.exe	29
PID 2028 wrote to memory of 1332	2028	gennt.exe	30
PID 2028 wrote to memory of 1332	2028	gennt.exe	30
PID 2028 wrote to memory of 1332	2028	gennt.exe	30
PID 2028 wrote to memory of 1332	2028	gennt.exe	30
PID 2028 wrote to memory of 1332	2028	gennt.exe	30
PID 2028 wrote to memory of 1332	2028	gennt.exe	30
PID 2028 wrote to memory of 1332	2028	gennt.exe	30
PID 2028 wrote to memory of 1332	2028	gennt.exe	30
PID 2028 wrote to memory of 1332	2028	gennt.exe	30
PID 2028 wrote to memory of 1332	2028	gennt.exe	30
PID 2028 wrote to memory of 1332	2028	gennt.exe	30
PID 1332 wrote to memory of 1356	1332	secinit.exe	31
PID 1332 wrote to memory of 1356	1332	secinit.exe	31
PID 1332 wrote to memory of 1356	1332	secinit.exe	31
PID 1332 wrote to memory of 1356	1332	secinit.exe	31

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.f10fa882881f9083.11555.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.f10fa882881f9083.11555.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1588
- C:\ProgramData\Ostersin\gennt.exe
  C:\ProgramData\Ostersin\gennt.exe "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.f10fa882881f9083.11555.exe" ensgJJ
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Deletes itself
  - Enumerates connected drives
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2028
- - C:\Windows\SysWOW64\secinit.exe
    C:\ProgramData\Ostersin\gennt.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1332
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1332 -s 136
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1356

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

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Downloads

memory/1332-9-0x0000000000080000-0x0000000000081000-memory.dmp

Download

memory/1356-15-0x0000000002540000-0x0000000002551000-memory.dmp

Download

memory/1356-12-0x00000000008B0000-0x00000000008C1000-memory.dmp

Download

memory/1588-0-0x00000000004EA000-0x00000000004EB000-memory.dmp

Download

memory/1588-1-0x00000000005D0000-0x00000000005E1000-memory.dmp

Download

memory/2028-7-0x00000000006A0000-0x00000000006B1000-memory.dmp

Download

memory/2028-6-0x00000000002CA000-0x00000000002CB000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads