026fd0d6222bdc69a9e122070503c54ccedb41e5cb2ed25f1c322ce2089b69bd

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2024, 10:19

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General

Target

53410845688ea45527967c26844ffcbd.exe
Size

51KB
MD5

53410845688ea45527967c26844ffcbd
SHA1

45c834d651d7acf80eb44296efeb738de0edf63d
SHA256

026fd0d6222bdc69a9e122070503c54ccedb41e5cb2ed25f1c322ce2089b69bd
SHA512

ed499521deb3b941a37f694bcdf1fa685bb0167367b039823a5f546bf7902cea9d3e16d4b0a85508cd234a2b54e336599034fbeabb9760c59644366cae4c4d5c
SSDEEP

1536:Rda/y/g+qZqrWlhpe8XwHb8zOKch+0uJ6Jug:+oglYrWnkOI8yhru9g

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\\twext.exe,"	53410845688ea45527967c26844ffcbd.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\twext.exe	53410845688ea45527967c26844ffcbd.exe
File created	C:\Windows\SysWOW64\twext.exe	53410845688ea45527967c26844ffcbd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2660	53410845688ea45527967c26844ffcbd.exe
2660	53410845688ea45527967c26844ffcbd.exe
2660	53410845688ea45527967c26844ffcbd.exe
2660	53410845688ea45527967c26844ffcbd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2660	53410845688ea45527967c26844ffcbd.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3
PID 2660 wrote to memory of 612	2660	53410845688ea45527967c26844ffcbd.exe	3

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

C:\Users\Admin\AppData\Local\Temp\53410845688ea45527967c26844ffcbd.exe
"C:\Users\Admin\AppData\Local\Temp\53410845688ea45527967c26844ffcbd.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2660

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/612-13-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/612-18-0x0000000008390000-0x00000000083B8000-memory.dmp

Filesize
160KB

Download
memory/612-28-0x00000000083F0000-0x0000000008418000-memory.dmp

Filesize
160KB

Download
memory/612-33-0x0000000008420000-0x0000000008448000-memory.dmp

Filesize
160KB

Download
memory/612-38-0x0000000008450000-0x0000000008478000-memory.dmp

Filesize
160KB

Download
memory/612-43-0x0000000008480000-0x00000000084A8000-memory.dmp

Filesize
160KB

Download
memory/612-48-0x00000000084B0000-0x00000000084D8000-memory.dmp

Filesize
160KB

Download
memory/612-53-0x00000000084E0000-0x0000000008508000-memory.dmp

Filesize
160KB

Download
memory/612-58-0x0000000008510000-0x0000000008538000-memory.dmp

Filesize
160KB

Download
memory/612-63-0x0000000008540000-0x0000000008568000-memory.dmp

Filesize
160KB

Download
memory/612-73-0x00000000085A0000-0x00000000085C8000-memory.dmp

Filesize
160KB

Download
memory/612-78-0x00000000085D0000-0x00000000085F8000-memory.dmp

Filesize
160KB

Download
memory/612-88-0x0000000008630000-0x0000000008658000-memory.dmp

Filesize
160KB

Download
memory/612-93-0x0000000008660000-0x0000000008688000-memory.dmp

Filesize
160KB

Download
memory/612-83-0x0000000008600000-0x0000000008628000-memory.dmp

Filesize
160KB

Download
memory/612-68-0x0000000008570000-0x0000000008598000-memory.dmp

Filesize
160KB

Download
memory/612-103-0x00000000086C0000-0x00000000086E8000-memory.dmp

Filesize
160KB

Download
memory/612-108-0x00000000086F0000-0x0000000008718000-memory.dmp

Filesize
160KB

Download
memory/612-118-0x0000000008750000-0x0000000008778000-memory.dmp

Filesize
160KB

Download
memory/612-123-0x0000000008780000-0x00000000087A8000-memory.dmp

Filesize
160KB

Download
memory/612-133-0x00000000087E0000-0x0000000008808000-memory.dmp

Filesize
160KB

Download
memory/612-138-0x0000000008810000-0x0000000008838000-memory.dmp

Filesize
160KB

Download
memory/612-143-0x0000000008840000-0x0000000008868000-memory.dmp

Filesize
160KB

Download
memory/612-128-0x00000000087B0000-0x00000000087D8000-memory.dmp

Filesize
160KB

Download
memory/612-153-0x00000000088A0000-0x00000000088C8000-memory.dmp

Filesize
160KB

Download
memory/612-158-0x00000000088D0000-0x00000000088F8000-memory.dmp

Filesize
160KB

Download
memory/612-163-0x0000000008900000-0x0000000008928000-memory.dmp

Filesize
160KB

Download
memory/612-173-0x0000000008960000-0x0000000008988000-memory.dmp

Filesize
160KB

Download
memory/612-178-0x0000000008990000-0x00000000089B8000-memory.dmp

Filesize
160KB

Download
memory/612-188-0x00000000089F0000-0x0000000008A18000-memory.dmp

Filesize
160KB

Download
memory/612-183-0x00000000089C0000-0x00000000089E8000-memory.dmp

Filesize
160KB

Download
memory/612-193-0x0000000008A20000-0x0000000008A48000-memory.dmp

Filesize
160KB

Download
memory/612-198-0x0000000008A50000-0x0000000008A78000-memory.dmp

Filesize
160KB

Download
memory/612-208-0x0000000008AB0000-0x0000000008AD8000-memory.dmp

Filesize
160KB

Download
memory/612-213-0x0000000008AE0000-0x0000000008B08000-memory.dmp

Filesize
160KB

Download
memory/612-218-0x0000000008B10000-0x0000000008B38000-memory.dmp

Filesize
160KB

Download
memory/612-203-0x0000000008A80000-0x0000000008AA8000-memory.dmp

Filesize
160KB

Download
memory/612-168-0x0000000008930000-0x0000000008958000-memory.dmp

Filesize
160KB

Download
memory/612-223-0x0000000008B40000-0x0000000008B68000-memory.dmp

Filesize
160KB

Download
memory/612-233-0x0000000008BA0000-0x0000000008BC8000-memory.dmp

Filesize
160KB

Download
memory/612-238-0x0000000008BD0000-0x0000000008BF8000-memory.dmp

Filesize
160KB

Download
memory/612-243-0x0000000008C00000-0x0000000008C28000-memory.dmp

Filesize
160KB

Download
memory/612-253-0x0000000008C60000-0x0000000008C88000-memory.dmp

Filesize
160KB

Download
memory/612-263-0x0000000008CC0000-0x0000000008CE8000-memory.dmp

Filesize
160KB

Download
memory/612-268-0x0000000008CF0000-0x0000000008D18000-memory.dmp

Filesize
160KB

Download
memory/612-273-0x0000000008D20000-0x0000000008D48000-memory.dmp

Filesize
160KB

Download
memory/612-283-0x0000000008D80000-0x0000000008DA8000-memory.dmp

Filesize
160KB

Download
memory/612-278-0x0000000008D50000-0x0000000008D78000-memory.dmp

Filesize
160KB

Download
memory/612-288-0x0000000008DB0000-0x0000000008DD8000-memory.dmp

Filesize
160KB

Download
memory/612-298-0x0000000008E10000-0x0000000008E38000-memory.dmp

Filesize
160KB

Download
memory/612-303-0x0000000008E40000-0x0000000008E68000-memory.dmp

Filesize
160KB

Download
memory/612-308-0x0000000008E70000-0x0000000008E98000-memory.dmp

Filesize
160KB

Download
memory/612-318-0x0000000008ED0000-0x0000000008EF8000-memory.dmp

Filesize
160KB

Download
memory/612-313-0x0000000008EA0000-0x0000000008EC8000-memory.dmp

Filesize
160KB

Download
memory/612-323-0x0000000008F00000-0x0000000008F28000-memory.dmp

Filesize
160KB

Download
memory/612-293-0x0000000008DE0000-0x0000000008E08000-memory.dmp

Filesize
160KB

Download
memory/612-258-0x0000000008C90000-0x0000000008CB8000-memory.dmp

Filesize
160KB

Download
memory/612-248-0x0000000008C30000-0x0000000008C58000-memory.dmp

Filesize
160KB

Download
memory/612-228-0x0000000008B70000-0x0000000008B98000-memory.dmp

Filesize
160KB

Download
memory/612-148-0x0000000008870000-0x0000000008898000-memory.dmp

Filesize
160KB

Download
memory/612-113-0x0000000008720000-0x0000000008748000-memory.dmp

Filesize
160KB

Download
memory/612-98-0x0000000008690000-0x00000000086B8000-memory.dmp

Filesize
160KB

Download
memory/612-23-0x00000000083C0000-0x00000000083E8000-memory.dmp

Filesize
160KB

Download
memory/2660-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2660-3-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2660-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2660-2-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2660-1-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download