6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
02/06/2024, 23:18

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General

Target

6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
Size

3.6MB
MD5

6145e3ebc882746fb2414ccad1ed4ed9
SHA1

20471c3b4120cc056dda6a7a4a1a8a2c4209d2d0
SHA256

6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede
SHA512

5ddf6d066d2ca1e8a2134f04ecf2a987f07344dab615d66713b3cb9dee0fad8f0f27cc4fad2e71deace1615a04ae4b3126a8cafca5aed5430742101debea1151
SSDEEP

98304:JdByXcdnlLwOrI5Vfeg91hZOhkRpsinjx:Jdien+OrFuBR6cx

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-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
2396	explorer.exe
2540	spoolsv.exe
2656	svchost.exe
2452	spoolsv.exe

Loads dropped DLL 4 IoCs

pid	Process
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2396	explorer.exe
2540	spoolsv.exe
2656	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\Svchost = "c:\\windows\\resources\\svchost.exe RO"	svchost.exe
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

Drops file in System32 directory 2 IoCs

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

Suspicious use of NtSetInformationThreadHideFromDebugger 37 IoCs

pid	Process
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2396	explorer.exe
2540	spoolsv.exe
2540	spoolsv.exe
2656	svchost.exe
2452	spoolsv.exe
2396	explorer.exe
2656	svchost.exe
2396	explorer.exe
2656	svchost.exe
2396	explorer.exe
2656	svchost.exe
2396	explorer.exe
2656	svchost.exe
2396	explorer.exe
2656	svchost.exe
2396	explorer.exe
2656	svchost.exe
2396	explorer.exe
2656	svchost.exe
2396	explorer.exe
2656	svchost.exe
2396	explorer.exe
2656	svchost.exe
2396	explorer.exe
2656	svchost.exe
2396	explorer.exe
2656	svchost.exe
2396	explorer.exe
2656	svchost.exe
2396	explorer.exe
2656	svchost.exe
2396	explorer.exe
2656	svchost.exe
2396	explorer.exe
2656	svchost.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Resources\tjud.exe	explorer.exe
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
File opened for modification	\??\c:\windows\resources\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\resources\svchost.exe	spoolsv.exe

Creates scheduled task(s) 1 TTPs 3 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
2208	schtasks.exe
1656	schtasks.exe
2192	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2396	explorer.exe
2396	explorer.exe
2396	explorer.exe
2396	explorer.exe
2396	explorer.exe
2396	explorer.exe
2396	explorer.exe
2396	explorer.exe
2396	explorer.exe
2396	explorer.exe
2396	explorer.exe
2396	explorer.exe
2396	explorer.exe
2396	explorer.exe
2396	explorer.exe
2396	explorer.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2396	explorer.exe
2396	explorer.exe
2396	explorer.exe
2656	svchost.exe
2656	svchost.exe
2396	explorer.exe
2656	svchost.exe
2656	svchost.exe
2396	explorer.exe
2656	svchost.exe
2396	explorer.exe
2396	explorer.exe
2656	svchost.exe
2656	svchost.exe
2396	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2656	svchost.exe
2396	explorer.exe

Suspicious use of SetWindowsHookEx 15 IoCs

pid	Process
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
2396	explorer.exe
2396	explorer.exe
2396	explorer.exe
2540	spoolsv.exe
2540	spoolsv.exe
2540	spoolsv.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2452	spoolsv.exe
2452	spoolsv.exe
2452	spoolsv.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2396	2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe	28
PID 2528 wrote to memory of 2396	2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe	28
PID 2528 wrote to memory of 2396	2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe	28
PID 2528 wrote to memory of 2396	2528	6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe	28
PID 2396 wrote to memory of 2540	2396	explorer.exe	29
PID 2396 wrote to memory of 2540	2396	explorer.exe	29
PID 2396 wrote to memory of 2540	2396	explorer.exe	29
PID 2396 wrote to memory of 2540	2396	explorer.exe	29
PID 2540 wrote to memory of 2656	2540	spoolsv.exe	30
PID 2540 wrote to memory of 2656	2540	spoolsv.exe	30
PID 2540 wrote to memory of 2656	2540	spoolsv.exe	30
PID 2540 wrote to memory of 2656	2540	spoolsv.exe	30
PID 2656 wrote to memory of 2452	2656	svchost.exe	31
PID 2656 wrote to memory of 2452	2656	svchost.exe	31
PID 2656 wrote to memory of 2452	2656	svchost.exe	31
PID 2656 wrote to memory of 2452	2656	svchost.exe	31
PID 2396 wrote to memory of 2924	2396	explorer.exe	32
PID 2396 wrote to memory of 2924	2396	explorer.exe	32
PID 2396 wrote to memory of 2924	2396	explorer.exe	32
PID 2396 wrote to memory of 2924	2396	explorer.exe	32
PID 2656 wrote to memory of 2208	2656	svchost.exe	33
PID 2656 wrote to memory of 2208	2656	svchost.exe	33
PID 2656 wrote to memory of 2208	2656	svchost.exe	33
PID 2656 wrote to memory of 2208	2656	svchost.exe	33
PID 2656 wrote to memory of 1656	2656	svchost.exe	38
PID 2656 wrote to memory of 1656	2656	svchost.exe	38
PID 2656 wrote to memory of 1656	2656	svchost.exe	38
PID 2656 wrote to memory of 1656	2656	svchost.exe	38
PID 2656 wrote to memory of 2192	2656	svchost.exe	40
PID 2656 wrote to memory of 2192	2656	svchost.exe	40
PID 2656 wrote to memory of 2192	2656	svchost.exe	40
PID 2656 wrote to memory of 2192	2656	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.exe
"C:\Users\Admin\AppData\Local\Temp\6e2eb9481bbca637c22725ab53fd7005ad011c55ce02d804f812da6790a9bede.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:2528
- \??\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:2396
- - \??\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 use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2540
  - - \??\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:2656
    - - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of NtSetInformationThreadHideFromDebugger
        Suspicious use of SetWindowsHookEx
        
        PID:2452
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 23:20 /f
        5⤵
        Creates scheduled task(s)
        
        PID:2208
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 23:21 /f
        5⤵
        Creates scheduled task(s)
        
        PID:1656
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 23:22 /f
        5⤵
        Creates scheduled task(s)
        
        PID:2192
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:2924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

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

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Downloads

C:\Windows\Resources\Themes\explorer.exe

Filesize
3.6MB

MD5
b36ed243f54fd23627c4ab95adeb1eca

SHA1
d50c3546c4db24b4cb01fb514dc63886bb884904

SHA256
70089a0b6fe203b3f040059cbb3d2e5255e7b1bef93bf49671f0dca272385cbe

SHA512
759775c731991177eec7918c7851c5ae527ea113a43ac6ece73969f7b7b4c43326df58e3089451b7dda179c3d749b969a5db2459c1a53de120cedc0827bbfe2f

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
3.6MB

MD5
8c52c25c379a9acedbedd0acec7b7f60

SHA1
36f3588d036fb5b1747a788d3f787aa1a0b26f1b

SHA256
0298fc02cd1f0b77eebb36a48f44cf1c65f7094e19b87fb6be672b4a4a26d4f5

SHA512
93c4342b380b5c48840f84f4b3cb8f650a56211ed3d2b1166c8353238238d747aa97bd7a79f2fb99e29ffaba039a02e8eedb6f16c802ce609525a00ec7909902

Download Submit
\Windows\Resources\svchost.exe

Filesize
3.6MB

MD5
e4c4a9608e53f0b056bd83ec1f4a1525

SHA1
10d76ea3e7dcaa54766623093b447d0dd1753a15

SHA256
d577804e6aa317f565a49840700515df59d3a594e9adadf023f6346d190351c6

SHA512
f1134a6e63ae035fd5ad40a293a5394a671a1f0a2f22855f0b58a80401ccf96179a50261592870f06ea2779adfa3e10b208682f8f42299577ccf3386cd3cebd3

Download Submit
memory/2396-73-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2396-69-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2396-79-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2396-77-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2396-24-0x00000000039E0000-0x0000000003D64000-memory.dmp

Filesize
3.5MB

Download
memory/2396-81-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2396-75-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2396-59-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2396-71-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2396-14-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2396-67-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2396-65-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2396-53-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2396-54-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2396-63-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2396-56-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2396-61-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2452-43-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2452-48-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2528-1-0x0000000077700000-0x0000000077701000-memory.dmp

Filesize
4KB

Download
memory/2528-11-0x0000000003A60000-0x0000000003DE4000-memory.dmp

Filesize
3.5MB

Download
memory/2528-0-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2528-52-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2540-50-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2540-25-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2540-34-0x00000000039D0000-0x0000000003D54000-memory.dmp

Filesize
3.5MB

Download
memory/2656-70-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2656-68-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2656-60-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2656-66-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2656-72-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2656-55-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2656-74-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2656-76-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2656-37-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2656-64-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2656-62-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2656-80-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2656-58-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download