b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946

General

Target

b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe
Size

320KB
MD5

e122c855aa06e48be73df0ccb044c8d1
SHA1

388c0f5bf8530cbfaf816d7c432ca75cc26a89c5
SHA256

b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946
SHA512

baebbdf3afc6cf874e5be7fd19f045b4b677331f64ef2b8611943da4e5b503ba8fc5fa7d4ce4d6f1ed89cf5e00407a821fdb95d4dabacf0bacede6d6f8e5c224
SSDEEP

6144:BLU+svfwBcuybmk3Skg7wpqreGls/rofa48BH1fZLt1m84iTAKwua6mzwx:1Yw6bV3Hg7wpieGKDlbH1RtY8qKwudWI

Score

10^/10

evasion 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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\lsass.exe"	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\MSWUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\lsass.exe"	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\MSWUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\lsass.exe"	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe

Executes dropped EXE 2 IoCs

pid	Process
4548	lsass.exe
2100	lsass.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
3708	netsh.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\lsass.exe"	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\lsass.exe"	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2268 set thread context of 1944	2268	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe	81
PID 4548 set thread context of 2100	4548	lsass.exe	85

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2268	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe
1944	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe
4548	lsass.exe
2100	lsass.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 1944	2268	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe	81
PID 2268 wrote to memory of 1944	2268	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe	81
PID 2268 wrote to memory of 1944	2268	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe	81
PID 2268 wrote to memory of 1944	2268	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe	81
PID 2268 wrote to memory of 1944	2268	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe	81
PID 2268 wrote to memory of 1944	2268	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe	81
PID 2268 wrote to memory of 1944	2268	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe	81
PID 2268 wrote to memory of 1944	2268	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe	81
PID 1944 wrote to memory of 3708	1944	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe	82
PID 1944 wrote to memory of 3708	1944	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe	82
PID 1944 wrote to memory of 3708	1944	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe	82
PID 1944 wrote to memory of 4548	1944	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe	84
PID 1944 wrote to memory of 4548	1944	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe	84
PID 1944 wrote to memory of 4548	1944	b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe	84
PID 4548 wrote to memory of 2100	4548	lsass.exe	85
PID 4548 wrote to memory of 2100	4548	lsass.exe	85
PID 4548 wrote to memory of 2100	4548	lsass.exe	85
PID 4548 wrote to memory of 2100	4548	lsass.exe	85
PID 4548 wrote to memory of 2100	4548	lsass.exe	85
PID 4548 wrote to memory of 2100	4548	lsass.exe	85
PID 4548 wrote to memory of 2100	4548	lsass.exe	85
PID 4548 wrote to memory of 2100	4548	lsass.exe	85

C:\Users\Admin\AppData\Local\Temp\b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe
"C:\Users\Admin\AppData\Local\Temp\b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Users\Admin\AppData\Local\Temp\b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe
  "C:\Users\Admin\AppData\Local\Temp\b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Adds policy Run key to start application
  - Adds Run key to start application
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1944
- - C:\Windows\SysWOW64\netsh.exe
    netsh advfirewall firewall add rule name="ImgBurn" dir=in action=allow description="Multimedia suite" program="C:\Users\Admin\AppData\Roaming\Microsoft\lsass.exe" enable=yes
    3⤵
    - Modifies Windows Firewall
    PID:3708
- - C:\Users\Admin\AppData\Roaming\Microsoft\lsass.exe
    /k C:\Users\Admin\AppData\Local\Temp\b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4548
  - - C:\Users\Admin\AppData\Roaming\Microsoft\lsass.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\lsass.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetWindowsHookEx
      PID:2100

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

3

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
320KB

MD5
e122c855aa06e48be73df0ccb044c8d1

SHA1
388c0f5bf8530cbfaf816d7c432ca75cc26a89c5

SHA256
b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946

SHA512
baebbdf3afc6cf874e5be7fd19f045b4b677331f64ef2b8611943da4e5b503ba8fc5fa7d4ce4d6f1ed89cf5e00407a821fdb95d4dabacf0bacede6d6f8e5c224

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\lsass.exe

Filesize
320KB

MD5
e122c855aa06e48be73df0ccb044c8d1

SHA1
388c0f5bf8530cbfaf816d7c432ca75cc26a89c5

SHA256
b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946

SHA512
baebbdf3afc6cf874e5be7fd19f045b4b677331f64ef2b8611943da4e5b503ba8fc5fa7d4ce4d6f1ed89cf5e00407a821fdb95d4dabacf0bacede6d6f8e5c224

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\lsass.exe

Filesize
320KB

MD5
e122c855aa06e48be73df0ccb044c8d1

SHA1
388c0f5bf8530cbfaf816d7c432ca75cc26a89c5

SHA256
b7f9fc288cba7ebf57585adfde5cdb41bc3365bd8eb22444f61f8d11886b5946

SHA512
baebbdf3afc6cf874e5be7fd19f045b4b677331f64ef2b8611943da4e5b503ba8fc5fa7d4ce4d6f1ed89cf5e00407a821fdb95d4dabacf0bacede6d6f8e5c224

Download Submit
memory/1944-135-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1944-140-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1944-146-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2100-153-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2100-154-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads