59f059803061e6c230f5f1e6a8e95c8062ece8365378f2dafd385466058ef7a0

Analysis

max time kernel
120s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 08:11

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General

Target

6ec84828e584896d088cdb01c696a530N.exe
Size

135KB
MD5

6ec84828e584896d088cdb01c696a530
SHA1

cbde1f498d8b98ed20e40b05f2f3cc80296ca466
SHA256

59f059803061e6c230f5f1e6a8e95c8062ece8365378f2dafd385466058ef7a0
SHA512

b1583d7eeac008662326bb5ec1d8ff970fd21c555471de01b5d96b518f639b7f89288c5e6e8e184e79f8ccabe06d8a4f424d77040e303959824e2c05a16af15b
SSDEEP

1536:4fsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVwW9:4VqoCl/YgjxEufVU0TbTyDDalSW9

Score

10^/10

discovery 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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
1152	explorer.exe
5020	spoolsv.exe
384	svchost.exe
3056	spoolsv.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

Drops file in Windows directory 4 IoCs

description	ioc	Process
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
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	6ec84828e584896d088cdb01c696a530N.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6ec84828e584896d088cdb01c696a530N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe
1152	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
1152	explorer.exe
384	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
640	6ec84828e584896d088cdb01c696a530N.exe
640	6ec84828e584896d088cdb01c696a530N.exe
1152	explorer.exe
1152	explorer.exe
5020	spoolsv.exe
5020	spoolsv.exe
384	svchost.exe
384	svchost.exe
3056	spoolsv.exe
3056	spoolsv.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 1152	640	6ec84828e584896d088cdb01c696a530N.exe	86
PID 640 wrote to memory of 1152	640	6ec84828e584896d088cdb01c696a530N.exe	86
PID 640 wrote to memory of 1152	640	6ec84828e584896d088cdb01c696a530N.exe	86
PID 1152 wrote to memory of 5020	1152	explorer.exe	87
PID 1152 wrote to memory of 5020	1152	explorer.exe	87
PID 1152 wrote to memory of 5020	1152	explorer.exe	87
PID 5020 wrote to memory of 384	5020	spoolsv.exe	88
PID 5020 wrote to memory of 384	5020	spoolsv.exe	88
PID 5020 wrote to memory of 384	5020	spoolsv.exe	88
PID 384 wrote to memory of 3056	384	svchost.exe	89
PID 384 wrote to memory of 3056	384	svchost.exe	89
PID 384 wrote to memory of 3056	384	svchost.exe	89

C:\Users\Admin\AppData\Local\Temp\6ec84828e584896d088cdb01c696a530N.exe
"C:\Users\Admin\AppData\Local\Temp\6ec84828e584896d088cdb01c696a530N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:640
- \??\c:\windows\resources\themes\explorer.exe
  c:\windows\resources\themes\explorer.exe
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1152
- - \??\c:\windows\resources\spoolsv.exe
    c:\windows\resources\spoolsv.exe SE
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:5020
  - - \??\c:\windows\resources\svchost.exe
      c:\windows\resources\svchost.exe
      4⤵
      Modifies visiblity of hidden/system files in Explorer
      Executes dropped EXE
      Adds Run key to start application
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:384
    - - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:3056

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
135KB

MD5
e32b9939c5c8ffbc8aaeaa23d9caea63

SHA1
c3a09b00ea0bf446d58bf56142b78b80f4ab62e2

SHA256
4f13c63e9581539c188f64c73b1f37c0e57aee85f1b76daa551866f0897c76ce

SHA512
32233e7997e44f5721f2ae08e9c62846f87c16051728bc0f44fcbdd3cc5798a9001f0c4fbb727cbf008721fa9300a4d1ed54a6cb753adf9d3899ef5ddb11c484

Download Submit
C:\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
aaef6c372e6d0e37968e9260853ca707

SHA1
a156d2e3e166ff82a44c8c48ecbd0ebae27ea6be

SHA256
45b51da325feb830a9dc23e139e912d2c41398d7ca3f21f88ac9aeb510970734

SHA512
3ab82a71551985fb28526eacf511b4ad7a91179b0f6ae464866f2f7dadd1a6ff7559efa94890c0734c1832f96a1211a723a31a4cf512aedc38d641db2ee00c18

Download Submit
C:\Windows\Resources\svchost.exe

Filesize
135KB

MD5
3bcbde8ab83e3536e422108b463968e9

SHA1
154b860732af34695652fc62b12f576a349b0532

SHA256
a061b837ccdc206063f5f784632760e7c84282d807d98db5a842c4a971a45526

SHA512
47d612d3143ad26ac0ec50ef1fd214f1f633853b5731d38e82776d5d121563908b5dd360930358463208f57d689f6818759b64f32f32cb764a8c666e1610174b

Download Submit
memory/384-36-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/640-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/640-34-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1152-35-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3056-32-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/5020-33-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download