9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24/04/2024, 19:15

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General

Target

9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
Size

2.6MB
MD5

1e3a6a31db311756dde13aff8a860b99
SHA1

37b51c0dae5dd2a82ef11c179037dfe682df4b13
SHA256

9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d
SHA512

5c4bee464970cb766a5fda0da84c2e8e9a9d01833a9e40fe5ba63690a550975a7e950f7176889c1afb03f391f9c2db53d8004be6c3f248bc9f2d4edef7807228
SSDEEP

49152:TeS12nRc6C5CEAHD26ICQVt1ULUQRP6a6YPkCLJ37xbIjNyX5Hxzl/a:6S+c6ZEmqCMtmoQRP6aZtnsNq9l/a

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
2956	explorer.exe
2588	spoolsv.exe
2976	svchost.exe
1204	spoolsv.exe

Loads dropped DLL 4 IoCs

pid	Process
3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
2956	explorer.exe
2588	spoolsv.exe
2976	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	explorer.exe
File opened for modification	C:\Windows\SysWOW64\explorer.exe	svchost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 35 IoCs

pid	Process
3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
2956	explorer.exe
2588	spoolsv.exe
2976	svchost.exe
1204	spoolsv.exe
2956	explorer.exe
2976	svchost.exe
2956	explorer.exe
2976	svchost.exe
2956	explorer.exe
2976	svchost.exe
2956	explorer.exe
2976	svchost.exe
2956	explorer.exe
2976	svchost.exe
2956	explorer.exe
2976	svchost.exe
2956	explorer.exe
2976	svchost.exe
2956	explorer.exe
2976	svchost.exe
2956	explorer.exe
2976	svchost.exe
2956	explorer.exe
2976	svchost.exe
2956	explorer.exe
2976	svchost.exe
2956	explorer.exe
2976	svchost.exe
2956	explorer.exe
2976	svchost.exe
2956	explorer.exe
2976	svchost.exe
2956	explorer.exe
2976	svchost.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.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

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
1792	schtasks.exe
3056	schtasks.exe
2860	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
2956	explorer.exe
2956	explorer.exe
2956	explorer.exe
2956	explorer.exe
2956	explorer.exe
2956	explorer.exe
2956	explorer.exe
2956	explorer.exe
2956	explorer.exe
2956	explorer.exe
2956	explorer.exe
2956	explorer.exe
2956	explorer.exe
2956	explorer.exe
2956	explorer.exe
2956	explorer.exe
2976	svchost.exe
2976	svchost.exe
2976	svchost.exe
2976	svchost.exe
2976	svchost.exe
2976	svchost.exe
2976	svchost.exe
2976	svchost.exe
2976	svchost.exe
2976	svchost.exe
2976	svchost.exe
2976	svchost.exe
2976	svchost.exe
2976	svchost.exe
2976	svchost.exe
2976	svchost.exe
2956	explorer.exe
2956	explorer.exe
2956	explorer.exe
2956	explorer.exe
2956	explorer.exe
2956	explorer.exe
2956	explorer.exe
2976	svchost.exe
2976	svchost.exe
2976	svchost.exe
2956	explorer.exe
2956	explorer.exe
2976	svchost.exe
2976	svchost.exe
2956	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2956	explorer.exe
2976	svchost.exe

Suspicious use of SetWindowsHookEx 15 IoCs

pid	Process
3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
2956	explorer.exe
2956	explorer.exe
2956	explorer.exe
2588	spoolsv.exe
2588	spoolsv.exe
2588	spoolsv.exe
2976	svchost.exe
2976	svchost.exe
2976	svchost.exe
1204	spoolsv.exe
1204	spoolsv.exe
1204	spoolsv.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2956	3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe	28
PID 3000 wrote to memory of 2956	3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe	28
PID 3000 wrote to memory of 2956	3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe	28
PID 3000 wrote to memory of 2956	3000	9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe	28
PID 2956 wrote to memory of 2588	2956	explorer.exe	29
PID 2956 wrote to memory of 2588	2956	explorer.exe	29
PID 2956 wrote to memory of 2588	2956	explorer.exe	29
PID 2956 wrote to memory of 2588	2956	explorer.exe	29
PID 2588 wrote to memory of 2976	2588	spoolsv.exe	30
PID 2588 wrote to memory of 2976	2588	spoolsv.exe	30
PID 2588 wrote to memory of 2976	2588	spoolsv.exe	30
PID 2588 wrote to memory of 2976	2588	spoolsv.exe	30
PID 2976 wrote to memory of 1204	2976	svchost.exe	31
PID 2976 wrote to memory of 1204	2976	svchost.exe	31
PID 2976 wrote to memory of 1204	2976	svchost.exe	31
PID 2976 wrote to memory of 1204	2976	svchost.exe	31
PID 2956 wrote to memory of 2460	2956	explorer.exe	32
PID 2956 wrote to memory of 2460	2956	explorer.exe	32
PID 2956 wrote to memory of 2460	2956	explorer.exe	32
PID 2956 wrote to memory of 2460	2956	explorer.exe	32
PID 2976 wrote to memory of 1792	2976	svchost.exe	33
PID 2976 wrote to memory of 1792	2976	svchost.exe	33
PID 2976 wrote to memory of 1792	2976	svchost.exe	33
PID 2976 wrote to memory of 1792	2976	svchost.exe	33
PID 2976 wrote to memory of 3056	2976	svchost.exe	38
PID 2976 wrote to memory of 3056	2976	svchost.exe	38
PID 2976 wrote to memory of 3056	2976	svchost.exe	38
PID 2976 wrote to memory of 3056	2976	svchost.exe	38
PID 2976 wrote to memory of 2860	2976	svchost.exe	40
PID 2976 wrote to memory of 2860	2976	svchost.exe	40
PID 2976 wrote to memory of 2860	2976	svchost.exe	40
PID 2976 wrote to memory of 2860	2976	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.exe
"C:\Users\Admin\AppData\Local\Temp\9fdbb3ac2a3c9814f05abb98daac8de7d6bfbed4caa002c9b01e7777c1c8851d.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:3000
- \??\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:2956
- - \??\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:2588
  - - \??\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:2976
    - - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of NtSetInformationThreadHideFromDebugger
        Suspicious use of SetWindowsHookEx
        
        PID:1204
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 19:17 /f
        5⤵
        Creates scheduled task(s)
        
        PID:1792
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 19:18 /f
        5⤵
        Creates scheduled task(s)
        
        PID:3056
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 19:19 /f
        5⤵
        Creates scheduled task(s)
        
        PID:2860
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:2460

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

\Windows\Resources\Themes\explorer.exe

Filesize
2.6MB

MD5
a732c208aeaddda982dde26c5634a0bb

SHA1
64676a6ab73dcf9793e806bbef484fb36761d77d

SHA256
25b438a6c3fe4c3b33cc8a654f047b84128026a2efafa39be6082ff6ab41b719

SHA512
8fb5c5bcc4825b04d37d2de3d3fa8ba6d8a91c8fc5abe349dcf507aae1b32ce0aa25481dc6976670fe88518016f62e197fdbc874937153c9a90c9da820b5ce32

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
2.6MB

MD5
153dab4d97b11ae1c07d833d807dc57a

SHA1
b3c55be91e3434a0e3d161f124c30d8e3fbd664f

SHA256
f9ae505bf4636da432002e3fef6cae244184a1aaa415fa11d0d1ba23a4cc81f7

SHA512
30817a2a0f529196591ae0422f3eb9a66e4fe812fbb51ffbb08089d8dccf1771cb5bf1787472541efa661e7d536239d1bb614e77bc84af57e280e7e967f610a0

Download Submit
\Windows\Resources\svchost.exe

Filesize
2.6MB

MD5
5fc402a41651afb30cf2ce7fdb3952f8

SHA1
5105a361c0c5a7cdc85b2332038d8caa499f5865

SHA256
7854c84500ec9ef220a331e406be84cf3ee810d3bc087a6e85ca098e5f85955b

SHA512
257a23bd2dc81d719de4f0969aa500a8d635af1954500f6064627f82fd1d0ec8ff55825bcbf482de0db30ad99943948114f8e4b7f8e6cb528b11175ac8f7c0e0

Download Submit
memory/1204-53-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

Filesize
3.8MB

Download
memory/1204-52-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/1204-50-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/1204-47-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

Filesize
3.8MB

Download
memory/2588-38-0x0000000004260000-0x0000000004BB1000-memory.dmp

Filesize
9.3MB

Download
memory/2588-54-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2588-26-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2588-29-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

Filesize
3.8MB

Download
memory/2956-81-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2956-73-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2956-79-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2956-77-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2956-24-0x00000000045A0000-0x0000000004EF1000-memory.dmp

Filesize
9.3MB

Download
memory/2956-16-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

Filesize
3.8MB

Download
memory/2956-14-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2956-65-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2956-83-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2956-85-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2956-71-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2956-57-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2956-58-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2956-69-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2956-60-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2956-67-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2976-59-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2976-70-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2976-66-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2976-62-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2976-61-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2976-68-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2976-64-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2976-40-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2976-86-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2976-72-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2976-74-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2976-84-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2976-82-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2976-78-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/2976-43-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

Filesize
3.8MB

Download
memory/2976-80-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/3000-0-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/3000-45-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/3000-11-0x0000000004320000-0x0000000004C71000-memory.dmp

Filesize
9.3MB

Download
memory/3000-55-0x0000000000400000-0x0000000000D51000-memory.dmp

Filesize
9.3MB

Download
memory/3000-1-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

Filesize
3.8MB

Download
memory/3000-56-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

Filesize
3.8MB

Download