36b6bd45b1e1ba82e988d14163dae843854ecbee141fb2815260f6443340cc9b

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 19:11

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General

Target

36f426936db645690496fdee469c34a1.exe
Size

965KB
MD5

36f426936db645690496fdee469c34a1
SHA1

f5ccf81f0f837fbbe45c42ab8f3e8be94d9f559c
SHA256

36b6bd45b1e1ba82e988d14163dae843854ecbee141fb2815260f6443340cc9b
SHA512

1b0311411e82044b9a6fab0e11b45041be4914dcc18f2223ad0e503c5f2ba10170736872ce6cc857df5ebfb999b28e25a2fabd923e24aeb6e6b09dcdf171acbc
SSDEEP

12288:ypqiC/2OGAtkCP4cejGSOpRKwCGYjLGis:ypo/2+ttPJLfpRKwCGYf

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe system3_.exe"	36f426936db645690496fdee469c34a1.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	36f426936db645690496fdee469c34a1.exe

Disables Task Manager via registry modification
evasion

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\Yahoo Messengger = "C:\\Users\\Admin\\Desktop\\system3_.exe"	36f426936db645690496fdee469c34a1.exe

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1308-0-0x0000000000400000-0x0000000000509000-memory.dmp	autoit_exe
behavioral1/files/0x000b000000012185-7.dat	autoit_exe
behavioral1/memory/1308-8-0x0000000000400000-0x0000000000509000-memory.dmp	autoit_exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 5 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Default_Page_URL = "http://www.mydreamworld.50webs.com"	36f426936db645690496fdee469c34a1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Default_Search_URL = "http://www.mydreamworld.50webs.com"	36f426936db645690496fdee469c34a1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Search Page = "http://www.mydreamworld.50webs.com"	36f426936db645690496fdee469c34a1.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main	36f426936db645690496fdee469c34a1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Main	36f426936db645690496fdee469c34a1.exe

Modifies Internet Explorer start page 1 TTPs 2 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Start Page = "http://www.mydreamworld.50webs.com"	36f426936db645690496fdee469c34a1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://www.mydreamworld.50webs.com"	36f426936db645690496fdee469c34a1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1308	36f426936db645690496fdee469c34a1.exe
1308	36f426936db645690496fdee469c34a1.exe

Suspicious behavior: MapViewOfSection 21 IoCs

pid	Process
1308	36f426936db645690496fdee469c34a1.exe
1308	36f426936db645690496fdee469c34a1.exe
1308	36f426936db645690496fdee469c34a1.exe
1308	36f426936db645690496fdee469c34a1.exe
1308	36f426936db645690496fdee469c34a1.exe
1308	36f426936db645690496fdee469c34a1.exe
1308	36f426936db645690496fdee469c34a1.exe
1308	36f426936db645690496fdee469c34a1.exe
1308	36f426936db645690496fdee469c34a1.exe
1308	36f426936db645690496fdee469c34a1.exe
1308	36f426936db645690496fdee469c34a1.exe
1308	36f426936db645690496fdee469c34a1.exe
1308	36f426936db645690496fdee469c34a1.exe
1308	36f426936db645690496fdee469c34a1.exe
1308	36f426936db645690496fdee469c34a1.exe
1308	36f426936db645690496fdee469c34a1.exe
1308	36f426936db645690496fdee469c34a1.exe
1308	36f426936db645690496fdee469c34a1.exe
1308	36f426936db645690496fdee469c34a1.exe
1308	36f426936db645690496fdee469c34a1.exe
1308	36f426936db645690496fdee469c34a1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1308	36f426936db645690496fdee469c34a1.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 372	1308	36f426936db645690496fdee469c34a1.exe	5
PID 1308 wrote to memory of 372	1308	36f426936db645690496fdee469c34a1.exe	5
PID 1308 wrote to memory of 372	1308	36f426936db645690496fdee469c34a1.exe	5
PID 1308 wrote to memory of 372	1308	36f426936db645690496fdee469c34a1.exe	5
PID 1308 wrote to memory of 372	1308	36f426936db645690496fdee469c34a1.exe	5
PID 1308 wrote to memory of 372	1308	36f426936db645690496fdee469c34a1.exe	5
PID 1308 wrote to memory of 372	1308	36f426936db645690496fdee469c34a1.exe	5
PID 1308 wrote to memory of 384	1308	36f426936db645690496fdee469c34a1.exe	4
PID 1308 wrote to memory of 384	1308	36f426936db645690496fdee469c34a1.exe	4
PID 1308 wrote to memory of 384	1308	36f426936db645690496fdee469c34a1.exe	4
PID 1308 wrote to memory of 384	1308	36f426936db645690496fdee469c34a1.exe	4
PID 1308 wrote to memory of 384	1308	36f426936db645690496fdee469c34a1.exe	4
PID 1308 wrote to memory of 384	1308	36f426936db645690496fdee469c34a1.exe	4
PID 1308 wrote to memory of 384	1308	36f426936db645690496fdee469c34a1.exe	4
PID 1308 wrote to memory of 420	1308	36f426936db645690496fdee469c34a1.exe	3
PID 1308 wrote to memory of 420	1308	36f426936db645690496fdee469c34a1.exe	3
PID 1308 wrote to memory of 420	1308	36f426936db645690496fdee469c34a1.exe	3
PID 1308 wrote to memory of 420	1308	36f426936db645690496fdee469c34a1.exe	3
PID 1308 wrote to memory of 420	1308	36f426936db645690496fdee469c34a1.exe	3
PID 1308 wrote to memory of 420	1308	36f426936db645690496fdee469c34a1.exe	3
PID 1308 wrote to memory of 420	1308	36f426936db645690496fdee469c34a1.exe	3
PID 1308 wrote to memory of 464	1308	36f426936db645690496fdee469c34a1.exe	2
PID 1308 wrote to memory of 464	1308	36f426936db645690496fdee469c34a1.exe	2
PID 1308 wrote to memory of 464	1308	36f426936db645690496fdee469c34a1.exe	2
PID 1308 wrote to memory of 464	1308	36f426936db645690496fdee469c34a1.exe	2
PID 1308 wrote to memory of 464	1308	36f426936db645690496fdee469c34a1.exe	2
PID 1308 wrote to memory of 464	1308	36f426936db645690496fdee469c34a1.exe	2
PID 1308 wrote to memory of 464	1308	36f426936db645690496fdee469c34a1.exe	2
PID 1308 wrote to memory of 480	1308	36f426936db645690496fdee469c34a1.exe	1
PID 1308 wrote to memory of 480	1308	36f426936db645690496fdee469c34a1.exe	1
PID 1308 wrote to memory of 480	1308	36f426936db645690496fdee469c34a1.exe	1
PID 1308 wrote to memory of 480	1308	36f426936db645690496fdee469c34a1.exe	1
PID 1308 wrote to memory of 480	1308	36f426936db645690496fdee469c34a1.exe	1
PID 1308 wrote to memory of 480	1308	36f426936db645690496fdee469c34a1.exe	1
PID 1308 wrote to memory of 480	1308	36f426936db645690496fdee469c34a1.exe	1
PID 1308 wrote to memory of 488	1308	36f426936db645690496fdee469c34a1.exe	8
PID 1308 wrote to memory of 488	1308	36f426936db645690496fdee469c34a1.exe	8
PID 1308 wrote to memory of 488	1308	36f426936db645690496fdee469c34a1.exe	8
PID 1308 wrote to memory of 488	1308	36f426936db645690496fdee469c34a1.exe	8
PID 1308 wrote to memory of 488	1308	36f426936db645690496fdee469c34a1.exe	8
PID 1308 wrote to memory of 488	1308	36f426936db645690496fdee469c34a1.exe	8
PID 1308 wrote to memory of 488	1308	36f426936db645690496fdee469c34a1.exe	8
PID 1308 wrote to memory of 600	1308	36f426936db645690496fdee469c34a1.exe	26
PID 1308 wrote to memory of 600	1308	36f426936db645690496fdee469c34a1.exe	26
PID 1308 wrote to memory of 600	1308	36f426936db645690496fdee469c34a1.exe	26
PID 1308 wrote to memory of 600	1308	36f426936db645690496fdee469c34a1.exe	26
PID 1308 wrote to memory of 600	1308	36f426936db645690496fdee469c34a1.exe	26
PID 1308 wrote to memory of 600	1308	36f426936db645690496fdee469c34a1.exe	26
PID 1308 wrote to memory of 600	1308	36f426936db645690496fdee469c34a1.exe	26
PID 1308 wrote to memory of 676	1308	36f426936db645690496fdee469c34a1.exe	25
PID 1308 wrote to memory of 676	1308	36f426936db645690496fdee469c34a1.exe	25
PID 1308 wrote to memory of 676	1308	36f426936db645690496fdee469c34a1.exe	25
PID 1308 wrote to memory of 676	1308	36f426936db645690496fdee469c34a1.exe	25
PID 1308 wrote to memory of 676	1308	36f426936db645690496fdee469c34a1.exe	25
PID 1308 wrote to memory of 676	1308	36f426936db645690496fdee469c34a1.exe	25
PID 1308 wrote to memory of 676	1308	36f426936db645690496fdee469c34a1.exe	25
PID 1308 wrote to memory of 752	1308	36f426936db645690496fdee469c34a1.exe	24
PID 1308 wrote to memory of 752	1308	36f426936db645690496fdee469c34a1.exe	24
PID 1308 wrote to memory of 752	1308	36f426936db645690496fdee469c34a1.exe	24
PID 1308 wrote to memory of 752	1308	36f426936db645690496fdee469c34a1.exe	24
PID 1308 wrote to memory of 752	1308	36f426936db645690496fdee469c34a1.exe	24
PID 1308 wrote to memory of 752	1308	36f426936db645690496fdee469c34a1.exe	24
PID 1308 wrote to memory of 752	1308	36f426936db645690496fdee469c34a1.exe	24
PID 1308 wrote to memory of 812	1308	36f426936db645690496fdee469c34a1.exe	23

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:480

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
PID:464
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
  2⤵
  PID:1096
- C:\Windows\system32\sppsvc.exe
  C:\Windows\system32\sppsvc.exe
  2⤵
  PID:2060
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
  2⤵
  PID:1280
- C:\Windows\system32\taskhost.exe
  "taskhost.exe"
  2⤵
  PID:1128
- C:\Windows\System32\spoolsv.exe
  C:\Windows\System32\spoolsv.exe
  2⤵
  PID:276
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k NetworkService
  2⤵
  PID:344
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalService
  2⤵
  PID:996
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k netsvcs
  2⤵
  PID:852
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
  2⤵
  PID:812
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
  2⤵
  PID:752
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k RPCSS
  2⤵
  PID:676
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k DcomLaunch
  2⤵
  PID:600

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:420

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:384

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:372
- C:\Windows\system32\lsm.exe
  C:\Windows\system32\lsm.exe
  2⤵
  PID:488

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1996

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\36f426936db645690496fdee469c34a1.exe
  "C:\Users\Admin\AppData\Local\Temp\36f426936db645690496fdee469c34a1.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Disables RegEdit via registry modification
  - Adds Run key to start application
  - Modifies Internet Explorer settings
  - Modifies Internet Explorer start page
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1308

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1188

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

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Desktop\system3_.exe

Filesize
965KB

MD5
36f426936db645690496fdee469c34a1

SHA1
f5ccf81f0f837fbbe45c42ab8f3e8be94d9f559c

SHA256
36b6bd45b1e1ba82e988d14163dae843854ecbee141fb2815260f6443340cc9b

SHA512
1b0311411e82044b9a6fab0e11b45041be4914dcc18f2223ad0e503c5f2ba10170736872ce6cc857df5ebfb999b28e25a2fabd923e24aeb6e6b09dcdf171acbc

Download Submit
memory/1308-0-0x0000000000400000-0x0000000000509000-memory.dmp

Filesize
1.0MB

Download
memory/1308-1-0x0000000077D9F000-0x0000000077DA0000-memory.dmp

Filesize
4KB

Download
memory/1308-2-0x0000000077DA0000-0x0000000077DA1000-memory.dmp

Filesize
4KB

Download
memory/1308-8-0x0000000000400000-0x0000000000509000-memory.dmp

Filesize
1.0MB

Download