d08e08b996cef33f9153175669c2e3a220cab47208c104ed7a664e12ab5f32f8

Analysis

max time kernel
145s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 04:13

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General

Target

8e30697dbe53eef3d4b391ae2651b4b9.exe
Size

14KB
MD5

8e30697dbe53eef3d4b391ae2651b4b9
SHA1

17408c0998489c99bd1e81960bdb00a1bf0f94fb
SHA256

d08e08b996cef33f9153175669c2e3a220cab47208c104ed7a664e12ab5f32f8
SHA512

2e7dd635af56b26791409c8113e77a88550b6d5228ab4cc8ee0b2aadbba407efab29098b4a5c3e69e530e83959f624df2d5cf14cb2e6b82700c6df643c619e1f
SSDEEP

384:65CSvS+Zv8FyZoAh3oUSaqCysuMvDGTzOY6QmBqeHY8U0E:d2AZAhqlCydiG356VkeH7jE

Score

8^/10

persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	LYLOADER.EXE

Deletes itself 1 IoCs

pid	Process
2972	LYLOADER.EXE

Executes dropped EXE 1 IoCs

pid	Process
2972	LYLOADER.EXE

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\LYMANGR.DLL	LYLOADER.EXE
File created	C:\Windows\SysWOW64\MSDEG32.DLL	LYLOADER.EXE
File created	C:\Windows\SysWOW64\REGKEY.hiv	LYLOADER.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2972	LYLOADER.EXE
2972	LYLOADER.EXE
2972	LYLOADER.EXE
2972	LYLOADER.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeRestorePrivilege	2972	LYLOADER.EXE
Token: SeDebugPrivilege	2972	LYLOADER.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5816 wrote to memory of 2972	5816	8e30697dbe53eef3d4b391ae2651b4b9.exe	85
PID 5816 wrote to memory of 2972	5816	8e30697dbe53eef3d4b391ae2651b4b9.exe	85
PID 5816 wrote to memory of 2972	5816	8e30697dbe53eef3d4b391ae2651b4b9.exe	85
PID 2972 wrote to memory of 3428	2972	LYLOADER.EXE	55

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3428
- C:\Users\Admin\AppData\Local\Temp\8e30697dbe53eef3d4b391ae2651b4b9.exe
  "C:\Users\Admin\AppData\Local\Temp\8e30697dbe53eef3d4b391ae2651b4b9.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5816
- - C:\Users\Admin\AppData\Local\Temp\LYLOADER.EXE
    C:\Users\Admin\AppData\Local\Temp\LYLOADER.EXE "C:\Users\Admin\AppData\Local\Temp\8e30697dbe53eef3d4b391ae2651b4b9.exe"
    3⤵
    - Adds policy Run key to start application
    - Deletes itself
    - Executes dropped EXE
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2972

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\LYLOADER.EXE

Filesize
10KB

MD5
3be8aeaf09d4be052fa5929de158e3f0

SHA1
1ca594af928cfeaa421a2097f9b7cfd56f05faee

SHA256
0077d3f6cabc0d0d399ce86f47feb9c40db0feefca5e1fcf501ad2f372696613

SHA512
09cd632e279c06fbfb246e2f6e9d9d2f8d237e5005cfd4a9cffa80f363d1d876f104567663d64ef047d8146369c8a5102580fb46de2086c2ef17da0bc13f391a

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