27f004ed75fb463041d5cbe28c11d0ac7e292bdea2a617904e4e0e73d1b04b50

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2024, 05:56

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General

Target

e0edf8897845530c23b115a69b49fbf9.exe
Size

62KB
MD5

e0edf8897845530c23b115a69b49fbf9
SHA1

6098df53a842ec64e94218bbe5c8cced83587a7e
SHA256

27f004ed75fb463041d5cbe28c11d0ac7e292bdea2a617904e4e0e73d1b04b50
SHA512

c592a5fa1e9155b563ce59ae4771dae96eb9ce2886257b207343258ecf9fddc2cba552cc48a3d9f4f202077db5988fb6a0ae42abee8fb9e2f8bbe788e3542931
SSDEEP

1536:D3oVV+I64rPKeoGsJXn2+SRoJ0pE6SXNKDFWXz:A64rSgspwK0tyGO

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cdmmslpo = "C:\\Windows\\system32\\klpllsm.exe"	e0edf8897845530c23b115a69b49fbf9.exe

Modifies WinLogon 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\Taskman = "C:\\Windows\\system32\\klpllsm.exe"	e0edf8897845530c23b115a69b49fbf9.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\klpllsm.exe	e0edf8897845530c23b115a69b49fbf9.exe
File opened for modification	C:\Windows\SysWOW64\klpllsm.exe	e0edf8897845530c23b115a69b49fbf9.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1000 set thread context of 2992	1000	e0edf8897845530c23b115a69b49fbf9.exe	90

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2992	e0edf8897845530c23b115a69b49fbf9.exe
2992	e0edf8897845530c23b115a69b49fbf9.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1000 wrote to memory of 2992	1000	e0edf8897845530c23b115a69b49fbf9.exe	90
PID 1000 wrote to memory of 2992	1000	e0edf8897845530c23b115a69b49fbf9.exe	90
PID 1000 wrote to memory of 2992	1000	e0edf8897845530c23b115a69b49fbf9.exe	90
PID 1000 wrote to memory of 2992	1000	e0edf8897845530c23b115a69b49fbf9.exe	90
PID 1000 wrote to memory of 2992	1000	e0edf8897845530c23b115a69b49fbf9.exe	90
PID 1000 wrote to memory of 2992	1000	e0edf8897845530c23b115a69b49fbf9.exe	90
PID 1000 wrote to memory of 2992	1000	e0edf8897845530c23b115a69b49fbf9.exe	90
PID 1000 wrote to memory of 2992	1000	e0edf8897845530c23b115a69b49fbf9.exe	90
PID 2992 wrote to memory of 3488	2992	e0edf8897845530c23b115a69b49fbf9.exe	57
PID 2992 wrote to memory of 3488	2992	e0edf8897845530c23b115a69b49fbf9.exe	57
PID 2992 wrote to memory of 3488	2992	e0edf8897845530c23b115a69b49fbf9.exe	57

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3488
- C:\Users\Admin\AppData\Local\Temp\e0edf8897845530c23b115a69b49fbf9.exe
  "C:\Users\Admin\AppData\Local\Temp\e0edf8897845530c23b115a69b49fbf9.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1000
- - C:\Users\Admin\AppData\Local\Temp\e0edf8897845530c23b115a69b49fbf9.exe
    "C:\Users\Admin\AppData\Local\Temp\e0edf8897845530c23b115a69b49fbf9.exe"
    3⤵
    - Adds Run key to start application
    - Modifies WinLogon
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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/1000-5-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2992-0-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2992-1-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2992-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2992-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2992-8-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download