77e8465236439d398d65d41906b7173559700950c220af0c0db54d168b92b590

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 13:48

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General

Target

b4d8e7d22fe95b14fc79a1068fdf66f2.exe
Size

599KB
MD5

b4d8e7d22fe95b14fc79a1068fdf66f2
SHA1

599937e533c6570a507cd2e96f3a2bda5e72902a
SHA256

77e8465236439d398d65d41906b7173559700950c220af0c0db54d168b92b590
SHA512

ce665450871c7917cc5d578432371f79a2461f7b0010f4f4df3d2745c0fa9e7740d52bbe772c837637735cb0a2e13f9736c9249533d9d57b712fd74a10f92b24
SSDEEP

12288:SfpL7a07Au24ZxQAykcTo9K6ld2D9ccQBb6LS/riACotAViE:QPRAP4j0iIWv5WACoKQE

Score

10^/10

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\\sdra64.exe,"	b4d8e7d22fe95b14fc79a1068fdf66f2.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\sdra64.exe	b4d8e7d22fe95b14fc79a1068fdf66f2.exe
File created	C:\Windows\SysWOW64\sdra64.exe	b4d8e7d22fe95b14fc79a1068fdf66f2.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3440 set thread context of 1180	3440	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	91

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe
1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe
1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe
1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3440	b4d8e7d22fe95b14fc79a1068fdf66f2.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3440 wrote to memory of 1180	3440	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	91
PID 3440 wrote to memory of 1180	3440	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	91
PID 3440 wrote to memory of 1180	3440	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	91
PID 3440 wrote to memory of 1180	3440	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	91
PID 3440 wrote to memory of 1180	3440	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	91
PID 3440 wrote to memory of 1180	3440	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	91
PID 3440 wrote to memory of 1180	3440	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	91
PID 3440 wrote to memory of 1180	3440	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	91
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5
PID 1180 wrote to memory of 612	1180	b4d8e7d22fe95b14fc79a1068fdf66f2.exe	5

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:612

C:\Users\Admin\AppData\Local\Temp\b4d8e7d22fe95b14fc79a1068fdf66f2.exe
"C:\Users\Admin\AppData\Local\Temp\b4d8e7d22fe95b14fc79a1068fdf66f2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3440
- C:\Users\Admin\AppData\Local\Temp\b4d8e7d22fe95b14fc79a1068fdf66f2.exe
  C:\Users\Admin\AppData\Local\Temp\b4d8e7d22fe95b14fc79a1068fdf66f2.exe
  2⤵
  - Modifies WinLogon for persistence
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1180

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/612-16-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/612-21-0x000000000C5E0000-0x000000000C5FC000-memory.dmp

Filesize
112KB

Download
memory/612-26-0x000000000C600000-0x000000000C61C000-memory.dmp

Filesize
112KB

Download
memory/612-31-0x000000000C620000-0x000000000C63C000-memory.dmp

Filesize
112KB

Download
memory/612-36-0x000000000C640000-0x000000000C65C000-memory.dmp

Filesize
112KB

Download
memory/612-41-0x000000000C660000-0x000000000C67C000-memory.dmp

Filesize
112KB

Download
memory/612-46-0x000000000C680000-0x000000000C69C000-memory.dmp

Filesize
112KB

Download
memory/612-51-0x000000000C6A0000-0x000000000C6BC000-memory.dmp

Filesize
112KB

Download
memory/612-61-0x000000000C6E0000-0x000000000C6FC000-memory.dmp

Filesize
112KB

Download
memory/612-56-0x000000000C6C0000-0x000000000C6DC000-memory.dmp

Filesize
112KB

Download
memory/612-66-0x000000000C700000-0x000000000C71C000-memory.dmp

Filesize
112KB

Download
memory/612-71-0x000000000C720000-0x000000000C73C000-memory.dmp

Filesize
112KB

Download
memory/612-76-0x000000000C740000-0x000000000C75C000-memory.dmp

Filesize
112KB

Download
memory/612-81-0x000000000C760000-0x000000000C77C000-memory.dmp

Filesize
112KB

Download
memory/612-86-0x000000000C780000-0x000000000C79C000-memory.dmp

Filesize
112KB

Download
memory/612-91-0x000000000C7A0000-0x000000000C7BC000-memory.dmp

Filesize
112KB

Download
memory/612-96-0x000000000C7C0000-0x000000000C7DC000-memory.dmp

Filesize
112KB

Download
memory/612-101-0x000000000C7E0000-0x000000000C7FC000-memory.dmp

Filesize
112KB

Download
memory/612-106-0x000000000C800000-0x000000000C81C000-memory.dmp

Filesize
112KB

Download
memory/612-111-0x000000000C820000-0x000000000C83C000-memory.dmp

Filesize
112KB

Download
memory/612-116-0x000000000C840000-0x000000000C85C000-memory.dmp

Filesize
112KB

Download
memory/612-121-0x000000000C860000-0x000000000C87C000-memory.dmp

Filesize
112KB

Download
memory/612-126-0x000000000C880000-0x000000000C89C000-memory.dmp

Filesize
112KB

Download
memory/612-131-0x000000000C8A0000-0x000000000C8BC000-memory.dmp

Filesize
112KB

Download
memory/612-136-0x000000000C8C0000-0x000000000C8DC000-memory.dmp

Filesize
112KB

Download
memory/612-141-0x000000000C8E0000-0x000000000C8FC000-memory.dmp

Filesize
112KB

Download
memory/612-146-0x000000000C900000-0x000000000C91C000-memory.dmp

Filesize
112KB

Download
memory/612-151-0x000000000C920000-0x000000000C93C000-memory.dmp

Filesize
112KB

Download
memory/612-156-0x000000000C940000-0x000000000C95C000-memory.dmp

Filesize
112KB

Download
memory/612-161-0x000000000C960000-0x000000000C97C000-memory.dmp

Filesize
112KB

Download
memory/612-166-0x000000000C980000-0x000000000C99C000-memory.dmp

Filesize
112KB

Download
memory/612-171-0x000000000C9A0000-0x000000000C9BC000-memory.dmp

Filesize
112KB

Download
memory/612-176-0x000000000C9C0000-0x000000000C9DC000-memory.dmp

Filesize
112KB

Download
memory/612-181-0x000000000C9E0000-0x000000000C9FC000-memory.dmp

Filesize
112KB

Download
memory/612-186-0x000000000CA00000-0x000000000CA1C000-memory.dmp

Filesize
112KB

Download
memory/612-191-0x000000000CA20000-0x000000000CA3C000-memory.dmp

Filesize
112KB

Download
memory/612-196-0x000000000CA40000-0x000000000CA5C000-memory.dmp

Filesize
112KB

Download
memory/612-201-0x000000000CA60000-0x000000000CA7C000-memory.dmp

Filesize
112KB

Download
memory/612-206-0x000000000CA80000-0x000000000CA9C000-memory.dmp

Filesize
112KB

Download
memory/612-211-0x000000000CAA0000-0x000000000CABC000-memory.dmp

Filesize
112KB

Download
memory/612-216-0x000000000CAC0000-0x000000000CADC000-memory.dmp

Filesize
112KB

Download
memory/612-221-0x000000000CAE0000-0x000000000CAFC000-memory.dmp

Filesize
112KB

Download
memory/612-226-0x000000000CB00000-0x000000000CB1C000-memory.dmp

Filesize
112KB

Download
memory/612-231-0x000000000CB20000-0x000000000CB3C000-memory.dmp

Filesize
112KB

Download
memory/612-236-0x000000000CB40000-0x000000000CB5C000-memory.dmp

Filesize
112KB

Download
memory/612-241-0x000000000CB60000-0x000000000CB7C000-memory.dmp

Filesize
112KB

Download
memory/612-246-0x000000000CB80000-0x000000000CB9C000-memory.dmp

Filesize
112KB

Download
memory/612-251-0x000000000CBA0000-0x000000000CBBC000-memory.dmp

Filesize
112KB

Download
memory/612-256-0x000000000CBC0000-0x000000000CBDC000-memory.dmp

Filesize
112KB

Download
memory/612-261-0x000000000CBE0000-0x000000000CBFC000-memory.dmp

Filesize
112KB

Download
memory/612-266-0x000000000CC00000-0x000000000CC1C000-memory.dmp

Filesize
112KB

Download
memory/612-271-0x000000000CC20000-0x000000000CC3C000-memory.dmp

Filesize
112KB

Download
memory/612-276-0x000000000CC40000-0x000000000CC5C000-memory.dmp

Filesize
112KB

Download
memory/612-281-0x000000000CC60000-0x000000000CC7C000-memory.dmp

Filesize
112KB

Download
memory/612-286-0x000000000CC80000-0x000000000CC9C000-memory.dmp

Filesize
112KB

Download
memory/612-291-0x000000000CCA0000-0x000000000CCBC000-memory.dmp

Filesize
112KB

Download
memory/612-296-0x000000000CCC0000-0x000000000CCDC000-memory.dmp

Filesize
112KB

Download
memory/612-301-0x000000000CCE0000-0x000000000CCFC000-memory.dmp

Filesize
112KB

Download
memory/612-306-0x000000000CD00000-0x000000000CD1C000-memory.dmp

Filesize
112KB

Download
memory/612-311-0x000000000CD20000-0x000000000CD3C000-memory.dmp

Filesize
112KB

Download
memory/1180-2-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1180-4-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1180-6-0x0000000000580000-0x0000000000594000-memory.dmp

Filesize
80KB

Download
memory/1180-7-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download