13086d2cbcf0b0cb99f165562049f90326e0ca57b4b4b12701f393d15f08fa85

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2024, 10:47

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

d5eb87079b33587754cea6d4f0411b9e.exe
Size

130KB
MD5

d5eb87079b33587754cea6d4f0411b9e
SHA1

436df1306e57d5ce5423c2927adcaa008e1dae42
SHA256

13086d2cbcf0b0cb99f165562049f90326e0ca57b4b4b12701f393d15f08fa85
SHA512

48023c89de4782bf7b7820f660d3f581a83d43ba712e8e9ea839316c38259ba59965fbab599f983c03d807e73a4d33aa7759c8b3cd4a5a7f2e0ad47cd463fc95
SSDEEP

3072:qUboH8STGbBby9ILYmLttldTsuZVGtB6Aili9ckw6:qVVGbBbSgttldT3vGtBzicTw6

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:\\Program Files\\Windows Media Player\\svchost.exe,"	d5eb87079b33587754cea6d4f0411b9e.exe

Executes dropped EXE 2 IoCs

pid	Process
2500	svchost.exe
3712	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
3712	svchost.exe
3712	svchost.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\PDLL.dll	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2356 set thread context of 4560	2356	d5eb87079b33587754cea6d4f0411b9e.exe	86
PID 2500 set thread context of 3712	2500	svchost.exe	92

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Windows Media Player\svchost.exe	d5eb87079b33587754cea6d4f0411b9e.exe
File created	C:\Program Files\Windows Media Player\svchost.exe	d5eb87079b33587754cea6d4f0411b9e.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4560	d5eb87079b33587754cea6d4f0411b9e.exe
4560	d5eb87079b33587754cea6d4f0411b9e.exe
4560	d5eb87079b33587754cea6d4f0411b9e.exe
4560	d5eb87079b33587754cea6d4f0411b9e.exe
4560	d5eb87079b33587754cea6d4f0411b9e.exe
4560	d5eb87079b33587754cea6d4f0411b9e.exe
4560	d5eb87079b33587754cea6d4f0411b9e.exe
4560	d5eb87079b33587754cea6d4f0411b9e.exe
4560	d5eb87079b33587754cea6d4f0411b9e.exe
4560	d5eb87079b33587754cea6d4f0411b9e.exe
4560	d5eb87079b33587754cea6d4f0411b9e.exe
4560	d5eb87079b33587754cea6d4f0411b9e.exe
4560	d5eb87079b33587754cea6d4f0411b9e.exe
4560	d5eb87079b33587754cea6d4f0411b9e.exe
4560	d5eb87079b33587754cea6d4f0411b9e.exe
4560	d5eb87079b33587754cea6d4f0411b9e.exe
4560	d5eb87079b33587754cea6d4f0411b9e.exe
4560	d5eb87079b33587754cea6d4f0411b9e.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3712	svchost.exe
3712	svchost.exe
3712	svchost.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 4560	2356	d5eb87079b33587754cea6d4f0411b9e.exe	86
PID 2356 wrote to memory of 4560	2356	d5eb87079b33587754cea6d4f0411b9e.exe	86
PID 2356 wrote to memory of 4560	2356	d5eb87079b33587754cea6d4f0411b9e.exe	86
PID 2356 wrote to memory of 4560	2356	d5eb87079b33587754cea6d4f0411b9e.exe	86
PID 2356 wrote to memory of 4560	2356	d5eb87079b33587754cea6d4f0411b9e.exe	86
PID 4560 wrote to memory of 3432	4560	d5eb87079b33587754cea6d4f0411b9e.exe	88
PID 4560 wrote to memory of 3432	4560	d5eb87079b33587754cea6d4f0411b9e.exe	88
PID 4560 wrote to memory of 3432	4560	d5eb87079b33587754cea6d4f0411b9e.exe	88
PID 4560 wrote to memory of 2500	4560	d5eb87079b33587754cea6d4f0411b9e.exe	90
PID 4560 wrote to memory of 2500	4560	d5eb87079b33587754cea6d4f0411b9e.exe	90
PID 4560 wrote to memory of 2500	4560	d5eb87079b33587754cea6d4f0411b9e.exe	90
PID 2500 wrote to memory of 3712	2500	svchost.exe	92
PID 2500 wrote to memory of 3712	2500	svchost.exe	92
PID 2500 wrote to memory of 3712	2500	svchost.exe	92
PID 2500 wrote to memory of 3712	2500	svchost.exe	92
PID 2500 wrote to memory of 3712	2500	svchost.exe	92

C:\Users\Admin\AppData\Local\Temp\d5eb87079b33587754cea6d4f0411b9e.exe
"C:\Users\Admin\AppData\Local\Temp\d5eb87079b33587754cea6d4f0411b9e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Users\Admin\AppData\Local\Temp\d5eb87079b33587754cea6d4f0411b9e.exe
  C:\Users\Admin\AppData\Local\Temp\d5eb87079b33587754cea6d4f0411b9e.exe
  2⤵
  - Modifies WinLogon for persistence
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4560
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$c44F8.tmp.bat
    3⤵
    PID:3432
- - C:\Program Files\Windows Media Player\svchost.exe
    "C:\Program Files\Windows Media Player\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2500
  - - C:\Program Files\Windows Media Player\svchost.exe
      "C:\Program Files\Windows Media Player\svchost.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Drops file in System32 directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      PID:3712

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

Loading Replay Monitor...

Downloads

C:\Program Files\Windows Media Player\svchost.exe

Filesize
130KB

MD5
d5eb87079b33587754cea6d4f0411b9e

SHA1
436df1306e57d5ce5423c2927adcaa008e1dae42

SHA256
13086d2cbcf0b0cb99f165562049f90326e0ca57b4b4b12701f393d15f08fa85

SHA512
48023c89de4782bf7b7820f660d3f581a83d43ba712e8e9ea839316c38259ba59965fbab599f983c03d807e73a4d33aa7759c8b3cd4a5a7f2e0ad47cd463fc95

Download Submit
C:\Users\Admin\AppData\Local\Temp\$$c44F8.tmp.bat

Filesize
233B

MD5
f63cdfd0a8f3c10a9a870267482965b3

SHA1
59a4cc1ce534a8891b500eeb836fbab087e5dd1c

SHA256
b3d056cf7a6e08b9b35b84b325c29e0cdb5158e3736afad34cb13e84795d1680

SHA512
409a34d160639692d6b6c65eeeb894f598f34a5ef437a1a8fc223c52378097ebc9954907052bcff2ba650318e29773733956d320a4eaadb185c3e1706fc3c6a5

Download Submit
C:\Windows\SysWOW64\PDLL.dll

Filesize
70KB

MD5
6fad8497ad45422e9d472a8abc96aec2

SHA1
f286b93f5d27f98fcf0fe2d802843072f3e344fb

SHA256
dd0f0b18a13d37656c8ffc38ad4995cc7a37f885b039eba47b88986dcb2d5a16

SHA512
a8c62a443ffa2f8dc1f707360edb5c308aaa1a24edf9c2d4797b9df3ae8a88a73ae53ad5dc266172db57c1356671991f0786fc8072c4bc96f4d941ad9e3efae2

Download Submit
memory/2356-3-0x0000000010000000-0x0000000010072000-memory.dmp

Filesize
456KB

Download
memory/2356-0-0x0000000010000000-0x0000000010072000-memory.dmp

Filesize
456KB

Download
memory/2500-19-0x0000000010000000-0x0000000010072000-memory.dmp

Filesize
456KB

Download
memory/2500-15-0x0000000010000000-0x0000000010072000-memory.dmp

Filesize
456KB

Download
memory/3712-32-0x00000000027E0000-0x000000000282B000-memory.dmp

Filesize
300KB

Download
memory/3712-36-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/3712-16-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/3712-35-0x00000000005E0000-0x00000000005FE000-memory.dmp

Filesize
120KB

Download
memory/3712-20-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/3712-22-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/3712-23-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/3712-24-0x00000000005E0000-0x00000000005FE000-memory.dmp

Filesize
120KB

Download
memory/3712-34-0x00000000027E0000-0x000000000282B000-memory.dmp

Filesize
300KB

Download
memory/3712-30-0x00000000027E0000-0x000000000282B000-memory.dmp

Filesize
300KB

Download
memory/4560-6-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/4560-1-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/4560-4-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/4560-7-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/4560-14-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download