aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
29/06/2024, 01:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
Size

741KB
MD5

296d46df103012c3bb0c64bd262b532e
SHA1

8409505d00f4356a257ada95e3991a0c828522f7
SHA256

aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a
SHA512

1145936f13795b1a549dda2d9f60ef84d131db71db59dbb04710db4cf6f2ee252c0559027b8d895fed0993ae5335e49701768f80e22cd979f507b8209b5aa72a
SSDEEP

12288:ltTuhrf45I8jWtJ8OgL27rd69bk5NCgGhSFB79gYhLIf6EQ9EYcw1Fj:lIt4kt0Kd6F6CNzYhUiEWEYcwb

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
636	explorer.exe
808	spoolsv.exe
2920	svchost.exe
2592	spoolsv.exe

Loads dropped DLL 4 IoCs

pid	Process
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
636	explorer.exe
808	spoolsv.exe
2920	svchost.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\explorer.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\explorer.exe	explorer.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 19 IoCs

pid	Process
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
636	explorer.exe
808	spoolsv.exe
2920	svchost.exe
2592	spoolsv.exe
636	explorer.exe
2920	svchost.exe
636	explorer.exe
2920	svchost.exe
636	explorer.exe
2920	svchost.exe
636	explorer.exe
2920	svchost.exe
636	explorer.exe
2920	svchost.exe
636	explorer.exe
2920	svchost.exe
636	explorer.exe
2920	svchost.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
File opened for modification	\??\c:\windows\resources\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\resources\svchost.exe	spoolsv.exe
File opened for modification	C:\Windows\Resources\tjud.exe	explorer.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2608	schtasks.exe
1068	schtasks.exe
556	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
636	explorer.exe
636	explorer.exe
636	explorer.exe
636	explorer.exe
636	explorer.exe
636	explorer.exe
636	explorer.exe
636	explorer.exe
636	explorer.exe
636	explorer.exe
636	explorer.exe
636	explorer.exe
636	explorer.exe
636	explorer.exe
636	explorer.exe
636	explorer.exe
636	explorer.exe
636	explorer.exe
636	explorer.exe
808	spoolsv.exe
808	spoolsv.exe
808	spoolsv.exe
636	explorer.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
636	explorer.exe
2920	svchost.exe

Suspicious use of SetWindowsHookEx 15 IoCs

pid	Process
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
636	explorer.exe
636	explorer.exe
636	explorer.exe
808	spoolsv.exe
808	spoolsv.exe
808	spoolsv.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2592	spoolsv.exe
2592	spoolsv.exe
2592	spoolsv.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1556 wrote to memory of 636	1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe	28
PID 1556 wrote to memory of 636	1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe	28
PID 1556 wrote to memory of 636	1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe	28
PID 1556 wrote to memory of 636	1556	aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe	28
PID 636 wrote to memory of 808	636	explorer.exe	29
PID 636 wrote to memory of 808	636	explorer.exe	29
PID 636 wrote to memory of 808	636	explorer.exe	29
PID 636 wrote to memory of 808	636	explorer.exe	29
PID 808 wrote to memory of 2920	808	spoolsv.exe	30
PID 808 wrote to memory of 2920	808	spoolsv.exe	30
PID 808 wrote to memory of 2920	808	spoolsv.exe	30
PID 808 wrote to memory of 2920	808	spoolsv.exe	30
PID 2920 wrote to memory of 2592	2920	svchost.exe	31
PID 2920 wrote to memory of 2592	2920	svchost.exe	31
PID 2920 wrote to memory of 2592	2920	svchost.exe	31
PID 2920 wrote to memory of 2592	2920	svchost.exe	31
PID 636 wrote to memory of 1436	636	explorer.exe	32
PID 636 wrote to memory of 1436	636	explorer.exe	32
PID 636 wrote to memory of 1436	636	explorer.exe	32
PID 636 wrote to memory of 1436	636	explorer.exe	32
PID 2920 wrote to memory of 2608	2920	svchost.exe	33
PID 2920 wrote to memory of 2608	2920	svchost.exe	33
PID 2920 wrote to memory of 2608	2920	svchost.exe	33
PID 2920 wrote to memory of 2608	2920	svchost.exe	33
PID 2920 wrote to memory of 1068	2920	svchost.exe	38
PID 2920 wrote to memory of 1068	2920	svchost.exe	38
PID 2920 wrote to memory of 1068	2920	svchost.exe	38
PID 2920 wrote to memory of 1068	2920	svchost.exe	38
PID 2920 wrote to memory of 556	2920	svchost.exe	40
PID 2920 wrote to memory of 556	2920	svchost.exe	40
PID 2920 wrote to memory of 556	2920	svchost.exe	40
PID 2920 wrote to memory of 556	2920	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe
"C:\Users\Admin\AppData\Local\Temp\aaddcb0a5d7993bd1da7b9e5d999c72984ef571d5cd1269087e5fc6210c60a7a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1556
- \??\c:\windows\resources\themes\explorer.exe
  c:\windows\resources\themes\explorer.exe
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:636
- - \??\c:\windows\resources\spoolsv.exe
    c:\windows\resources\spoolsv.exe SE
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:808
  - - \??\c:\windows\resources\svchost.exe
      c:\windows\resources\svchost.exe
      4⤵
      Modifies visiblity of hidden/system files in Explorer
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Drops file in System32 directory
      Suspicious use of NtSetInformationThreadHideFromDebugger
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2920
    - - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of NtSetInformationThreadHideFromDebugger
        Suspicious use of SetWindowsHookEx
        
        PID:2592
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 01:22 /f
        5⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:2608
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 01:23 /f
        5⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:1068
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 01:24 /f
        5⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:556
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:1436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Windows\Resources\Themes\explorer.exe

Filesize
741KB

MD5
a26aad77021f8ea32910136586375c04

SHA1
1105f14543162456aee4e448aad7e601f180cd95

SHA256
e0e0853e2ef20470aeb9596e3ce3fcd685635481bfdd07d0c36f4c7b508c6e23

SHA512
2cc85537398edea0f636e6997fbafd1e9f8c49343946f3715e061f9aec80154ab48f66bef730220a5cbe7e78f4b0c65918967dbbad415f96644138d0abf0ba4f

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
741KB

MD5
506129aeac212d52c47375ecdcd7df5b

SHA1
7027d198d576a1ec1f4e139c12f614b92e708075

SHA256
becdf5834e3432735918d55fa33776ae8c99a4ee7e4100897cfab1cd1b159e9f

SHA512
0ed948904ff123cdcc48f51cdb48fd44f0579c6510461f5426c2ec8376d64025bb5f90f8e2f98afb2de4a646f3a817c2c6d9838ba55750540e7301c80abbe4c6

Download Submit
\Windows\Resources\svchost.exe

Filesize
741KB

MD5
b683a65253ec7076568125edd2f9415e

SHA1
4bf356d900e37266fbe51c69925eccbaea9aba16

SHA256
77e793b40626345b6a731d615f84ed1ca54c9d1eead64ea57dee320f2ea84051

SHA512
7d28f15dca6235a71b91cf531fddabc54619a50df8ce687917bbf105a9a9cbc676e6a8a97877b16d52c5692f2ddc71546fba46a542eabdb970b3ffba9d662d7a

Download Submit
memory/636-54-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/636-10-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/636-81-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/636-21-0x0000000003D50000-0x00000000040C2000-memory.dmp

Filesize
3.4MB

Download
memory/636-69-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/636-67-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/636-65-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/636-63-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/636-59-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/808-31-0x0000000003C60000-0x0000000003FD2000-memory.dmp

Filesize
3.4MB

Download
memory/808-49-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/808-22-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/1556-50-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/1556-51-0x0000000003DF0000-0x0000000004162000-memory.dmp

Filesize
3.4MB

Download
memory/1556-52-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/1556-0-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/2592-47-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/2592-42-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/2920-40-0x00000000037E0000-0x0000000003B52000-memory.dmp

Filesize
3.4MB

Download
memory/2920-64-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/2920-66-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/2920-60-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/2920-34-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/2920-58-0x00000000037E0000-0x0000000003B52000-memory.dmp

Filesize
3.4MB

Download
memory/2920-74-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/2920-76-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/2920-55-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download