448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab

General

Target

448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe
Size

385KB
MD5

ba1703dffcc9ab27f2ce70e0f52b617e
SHA1

0ff1a187f57e3fa6fe38d660529d9d0d3c1fd0e3
SHA256

448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab
SHA512

523ac850216b2af6b5c764c0a2b9c704e970cfffc7fee0a4f8abef7698a7c2459f187739decca6bd1b2dd2fccf41b78fc0268cecbe333a4594f7a7dc7643d2ee
SSDEEP

6144:1Njs5UHBv5I0YL2jhiCKitsUFK8dHdpF8tAA0Ti33R0:10+YL8DnHMqHF8tAAQinR0

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"	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.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	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\MSWUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\lsass.exe"	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\MSWUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\lsass.exe"	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe

Executes dropped EXE 2 IoCs

pid	Process
2244	lsass.exe
2540	lsass.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
480	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
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\lsass.exe"	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\lsass.exe"	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4612 set thread context of 544	4612	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe	87
PID 2244 set thread context of 2540	2244	lsass.exe	91

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4612	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe
Token: SeDebugPrivilege	2244	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
544	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe
2540	lsass.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 544	4612	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe	87
PID 4612 wrote to memory of 544	4612	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe	87
PID 4612 wrote to memory of 544	4612	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe	87
PID 4612 wrote to memory of 544	4612	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe	87
PID 4612 wrote to memory of 544	4612	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe	87
PID 4612 wrote to memory of 544	4612	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe	87
PID 4612 wrote to memory of 544	4612	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe	87
PID 4612 wrote to memory of 544	4612	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe	87
PID 544 wrote to memory of 480	544	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe	88
PID 544 wrote to memory of 480	544	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe	88
PID 544 wrote to memory of 480	544	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe	88
PID 544 wrote to memory of 2244	544	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe	90
PID 544 wrote to memory of 2244	544	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe	90
PID 544 wrote to memory of 2244	544	448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe	90
PID 2244 wrote to memory of 2540	2244	lsass.exe	91
PID 2244 wrote to memory of 2540	2244	lsass.exe	91
PID 2244 wrote to memory of 2540	2244	lsass.exe	91
PID 2244 wrote to memory of 2540	2244	lsass.exe	91
PID 2244 wrote to memory of 2540	2244	lsass.exe	91
PID 2244 wrote to memory of 2540	2244	lsass.exe	91
PID 2244 wrote to memory of 2540	2244	lsass.exe	91
PID 2244 wrote to memory of 2540	2244	lsass.exe	91

C:\Users\Admin\AppData\Local\Temp\448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe
"C:\Users\Admin\AppData\Local\Temp\448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4612
- C:\Users\Admin\AppData\Local\Temp\448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe
  C:\Users\Admin\AppData\Local\Temp\448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.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:544
- - 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:480
- - C:\Users\Admin\AppData\Roaming\Microsoft\lsass.exe
    /k C:\Users\Admin\AppData\Local\Temp\448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2244
  - - 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:2540

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
385KB

MD5
ba1703dffcc9ab27f2ce70e0f52b617e

SHA1
0ff1a187f57e3fa6fe38d660529d9d0d3c1fd0e3

SHA256
448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab

SHA512
523ac850216b2af6b5c764c0a2b9c704e970cfffc7fee0a4f8abef7698a7c2459f187739decca6bd1b2dd2fccf41b78fc0268cecbe333a4594f7a7dc7643d2ee

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

Filesize
385KB

MD5
ba1703dffcc9ab27f2ce70e0f52b617e

SHA1
0ff1a187f57e3fa6fe38d660529d9d0d3c1fd0e3

SHA256
448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab

SHA512
523ac850216b2af6b5c764c0a2b9c704e970cfffc7fee0a4f8abef7698a7c2459f187739decca6bd1b2dd2fccf41b78fc0268cecbe333a4594f7a7dc7643d2ee

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

Filesize
385KB

MD5
ba1703dffcc9ab27f2ce70e0f52b617e

SHA1
0ff1a187f57e3fa6fe38d660529d9d0d3c1fd0e3

SHA256
448bfbdf276dffcce3d993554a14873ef27df2f53d590090e22f6b878e98baab

SHA512
523ac850216b2af6b5c764c0a2b9c704e970cfffc7fee0a4f8abef7698a7c2459f187739decca6bd1b2dd2fccf41b78fc0268cecbe333a4594f7a7dc7643d2ee

Download Submit
memory/544-137-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/544-135-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2244-152-0x00000000753A0000-0x0000000075951000-memory.dmp

Filesize
5.7MB

Download
memory/4612-139-0x00000000754C0000-0x0000000075A71000-memory.dmp

Filesize
5.7MB

Download
memory/4612-132-0x00000000754C0000-0x0000000075A71000-memory.dmp

Filesize
5.7MB

Download
memory/4612-133-0x00000000754C0000-0x0000000075A71000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads