113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/04/2024, 18:50

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General

Target

113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
Size

336KB
MD5

8a0cc091812abcf043f177522a2fd541
SHA1

9360f6d0e16dfc96cd9dd80877e821a7c9b9e56e
SHA256

113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343
SHA512

3d1e4c0b9ed325df73bbda50e68314b6cad67061adb10c34f4234ed541f957a7b3375864d40176a335015bcdd1a5b344d6fa1e7072db19052ffcaa2968f765f1
SSDEEP

6144:C4/23XQJN7AUSyrWppKneQG1BuSFqwHkllnzpEH/19tt:P/2oAUTWpp6c9glnzpEH7

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 3 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\Run\Application Installer = "C:\\Windows\\Installer\\Installer.exe"	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win32SystemFile = "C:\\MSystem.exe"	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicrosoftPCHealth = "C:\\Windows\\System32\\PCHealth.exe"	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\PCHealth.exe	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
File opened for modification	C:\Windows\SysWOW64\PCHealth.exe	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Installer\Installer.exe	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
File opened for modification	C:\Windows\Installer\Installer.exe	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe

Suspicious behavior: MapViewOfSection 21 IoCs

pid	Process
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 376	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	3
PID 640 wrote to memory of 376	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	3
PID 640 wrote to memory of 376	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	3
PID 640 wrote to memory of 376	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	3
PID 640 wrote to memory of 376	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	3
PID 640 wrote to memory of 376	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	3
PID 640 wrote to memory of 376	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	3
PID 640 wrote to memory of 388	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	4
PID 640 wrote to memory of 388	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	4
PID 640 wrote to memory of 388	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	4
PID 640 wrote to memory of 388	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	4
PID 640 wrote to memory of 388	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	4
PID 640 wrote to memory of 388	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	4
PID 640 wrote to memory of 388	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	4
PID 640 wrote to memory of 424	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	5
PID 640 wrote to memory of 424	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	5
PID 640 wrote to memory of 424	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	5
PID 640 wrote to memory of 424	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	5
PID 640 wrote to memory of 424	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	5
PID 640 wrote to memory of 424	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	5
PID 640 wrote to memory of 424	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	5
PID 640 wrote to memory of 472	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	6
PID 640 wrote to memory of 472	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	6
PID 640 wrote to memory of 472	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	6
PID 640 wrote to memory of 472	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	6
PID 640 wrote to memory of 472	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	6
PID 640 wrote to memory of 472	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	6
PID 640 wrote to memory of 472	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	6
PID 640 wrote to memory of 480	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	7
PID 640 wrote to memory of 480	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	7
PID 640 wrote to memory of 480	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	7
PID 640 wrote to memory of 480	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	7
PID 640 wrote to memory of 480	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	7
PID 640 wrote to memory of 480	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	7
PID 640 wrote to memory of 480	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	7
PID 640 wrote to memory of 492	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	8
PID 640 wrote to memory of 492	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	8
PID 640 wrote to memory of 492	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	8
PID 640 wrote to memory of 492	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	8
PID 640 wrote to memory of 492	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	8
PID 640 wrote to memory of 492	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	8
PID 640 wrote to memory of 492	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	8
PID 640 wrote to memory of 612	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	9
PID 640 wrote to memory of 612	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	9
PID 640 wrote to memory of 612	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	9
PID 640 wrote to memory of 612	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	9
PID 640 wrote to memory of 612	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	9
PID 640 wrote to memory of 612	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	9
PID 640 wrote to memory of 612	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	9
PID 640 wrote to memory of 688	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	10
PID 640 wrote to memory of 688	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	10
PID 640 wrote to memory of 688	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	10
PID 640 wrote to memory of 688	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	10
PID 640 wrote to memory of 688	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	10
PID 640 wrote to memory of 688	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	10
PID 640 wrote to memory of 688	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	10
PID 640 wrote to memory of 764	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	11
PID 640 wrote to memory of 764	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	11
PID 640 wrote to memory of 764	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	11
PID 640 wrote to memory of 764	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	11
PID 640 wrote to memory of 764	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	11
PID 640 wrote to memory of 764	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	11
PID 640 wrote to memory of 764	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	11
PID 640 wrote to memory of 824	640	113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe	12

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:376
- C:\Windows\system32\services.exe
  C:\Windows\system32\services.exe
  2⤵
  PID:472
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k DcomLaunch
    3⤵
    PID:612
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:2316
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k RPCSS
    3⤵
    PID:688
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
    3⤵
    PID:764
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
    3⤵
    PID:824
  - - C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      4⤵
      PID:1188
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    3⤵
    PID:864
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService
    3⤵
    PID:1004
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k NetworkService
    3⤵
    PID:332
- - C:\Windows\System32\spoolsv.exe
    C:\Windows\System32\spoolsv.exe
    3⤵
    PID:304
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1084
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1132
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:2848
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:2904
- C:\Windows\system32\lsass.exe
  C:\Windows\system32\lsass.exe
  2⤵
  PID:480
- C:\Windows\system32\lsm.exe
  C:\Windows\system32\lsm.exe
  2⤵
  PID:492

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
PID:388

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:424

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe
  "C:\Users\Admin\AppData\Local\Temp\113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:640

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

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\MSystem.exe

Filesize
336KB

MD5
8a0cc091812abcf043f177522a2fd541

SHA1
9360f6d0e16dfc96cd9dd80877e821a7c9b9e56e

SHA256
113877b3662e9a63364706fa356e1e2be5ea826057d86b7ca472303700994343

SHA512
3d1e4c0b9ed325df73bbda50e68314b6cad67061adb10c34f4234ed541f957a7b3375864d40176a335015bcdd1a5b344d6fa1e7072db19052ffcaa2968f765f1

Download Submit
memory/640-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/640-1-0x00000000779FF000-0x0000000077A00000-memory.dmp

Filesize
4KB

Download
memory/640-2-0x0000000077A00000-0x0000000077A01000-memory.dmp

Filesize
4KB

Download