5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9

Analysis

max time kernel
154s
max time network
192s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 10:08

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General

Target

5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe
Size

184KB
MD5

7ed15306689a6ce28d857a696fa28550
SHA1

749f3e283781ea263a5f15136455e49ac72db652
SHA256

5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9
SHA512

dc77a6b22f8cc8d48fce8f21239dc8f6e460748443ca98331afaee09d48f9f9f8ea90de5bd191678af45c27a4f75435b2b82016c3cc029d84d1c69001fac4027
SSDEEP

3072:A35if+jskj+la75P/0F5lQ5Qz8hNi4yaGCERgzvOP:siGbwa75Ps5KQzkNfJP6P

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Screen Saver Pro 3.1 = "C:\\Users\\Admin\\AppData\\Roaming\\ScreenSaverPro.scr"	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ynfnfl = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Ynfnfl.exe"	mspaint.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ynfnfl = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Ynfnfl.exe"	iexplore.exe

Enumerates connected drives 3 TTPs 25 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\B:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\D:	mspaint.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\F:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\D:	iexplore.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1660 set thread context of 3872	1660	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	84
PID 3872 set thread context of 1804	3872	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	86

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	mspaint.exe

Modifies Internet Explorer settings 1 TTPs 18 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2633130345"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31001823"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{B5E3B2A5-78D2-11ED-BF5F-5EDCA19B148A} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31001823"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2633130345"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4148	mspaint.exe
4148	mspaint.exe
1804	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe
1804	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe
1804	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3872	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1804	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe
Token: SeDebugPrivilege	3872	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe
Token: SeDebugPrivilege	1904	svchost.exe
Token: SeDebugPrivilege	4148	mspaint.exe
Token: SeDebugPrivilege	1104	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1808	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
4148	mspaint.exe
4148	mspaint.exe
4148	mspaint.exe
4148	mspaint.exe
1808	IEXPLORE.EXE
1808	IEXPLORE.EXE
3232	IEXPLORE.EXE
3232	IEXPLORE.EXE
3232	IEXPLORE.EXE
3232	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 3872	1660	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	84
PID 1660 wrote to memory of 3872	1660	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	84
PID 1660 wrote to memory of 3872	1660	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	84
PID 1660 wrote to memory of 3872	1660	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	84
PID 1660 wrote to memory of 3872	1660	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	84
PID 1660 wrote to memory of 3872	1660	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	84
PID 1660 wrote to memory of 3872	1660	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	84
PID 1660 wrote to memory of 3872	1660	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	84
PID 1660 wrote to memory of 3872	1660	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	84
PID 3872 wrote to memory of 1904	3872	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	85
PID 3872 wrote to memory of 1904	3872	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	85
PID 3872 wrote to memory of 1904	3872	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	85
PID 3872 wrote to memory of 1904	3872	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	85
PID 3872 wrote to memory of 1904	3872	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	85
PID 3872 wrote to memory of 1904	3872	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	85
PID 3872 wrote to memory of 1804	3872	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	86
PID 3872 wrote to memory of 1804	3872	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	86
PID 3872 wrote to memory of 1804	3872	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	86
PID 3872 wrote to memory of 1804	3872	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	86
PID 3872 wrote to memory of 1804	3872	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	86
PID 3872 wrote to memory of 1804	3872	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	86
PID 3872 wrote to memory of 1804	3872	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	86
PID 3872 wrote to memory of 1804	3872	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	86
PID 3872 wrote to memory of 1804	3872	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	86
PID 1904 wrote to memory of 4148	1904	svchost.exe	87
PID 1904 wrote to memory of 4148	1904	svchost.exe	87
PID 1904 wrote to memory of 4148	1904	svchost.exe	87
PID 1804 wrote to memory of 1104	1804	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	91
PID 1804 wrote to memory of 1104	1804	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	91
PID 1804 wrote to memory of 1104	1804	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	91
PID 1104 wrote to memory of 1808	1104	iexplore.exe	92
PID 1104 wrote to memory of 1808	1104	iexplore.exe	92
PID 1804 wrote to memory of 3872	1804	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	84
PID 1804 wrote to memory of 3872	1804	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	84
PID 1804 wrote to memory of 1904	1804	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	85
PID 1804 wrote to memory of 1904	1804	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	85
PID 1804 wrote to memory of 4148	1804	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	87
PID 1804 wrote to memory of 4148	1804	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	87
PID 1804 wrote to memory of 1104	1804	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	91
PID 1804 wrote to memory of 1104	1804	5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe	91
PID 1808 wrote to memory of 3232	1808	IEXPLORE.EXE	94
PID 1808 wrote to memory of 3232	1808	IEXPLORE.EXE	94
PID 1808 wrote to memory of 3232	1808	IEXPLORE.EXE	94

C:\Users\Admin\AppData\Local\Temp\5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe
"C:\Users\Admin\AppData\Local\Temp\5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Users\Admin\AppData\Local\Temp\5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe
  "C:\Users\Admin\AppData\Local\Temp\5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3872
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Windows\system32\svchost.exe"
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1904
  - - C:\Windows\SysWOW64\mspaint.exe
      "C:\Windows\system32\mspaint.exe"
      4⤵
      Adds Run key to start application
      Enumerates connected drives
      Drops file in Windows directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:4148
- - C:\Users\Admin\AppData\Local\Temp\5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe
    "C:\Users\Admin\AppData\Local\Temp\5695ccb9dc8db67b61a15742dcc3a4c1efe945be2f11c25a88cbf78513e3f2b9.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1804
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
      4⤵
      Adds Run key to start application
      Enumerates connected drives
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1104
    - - C:\Program Files\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:1808
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1808 CREDAT:17410 /prefetch:2
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3232

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
1⤵
PID:3128

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1804-144-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1804-153-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1804-138-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1804-140-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1804-146-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1904-145-0x00000000001A0000-0x00000000001C1000-memory.dmp

Filesize
132KB

Download
memory/1904-151-0x0000000002640000-0x000000000268E000-memory.dmp

Filesize
312KB

Download
memory/1904-148-0x0000000002640000-0x000000000268E000-memory.dmp

Filesize
312KB

Download
memory/1904-142-0x00000000001A0000-0x00000000001C1000-memory.dmp

Filesize
132KB

Download
memory/3872-133-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3872-147-0x0000000000590000-0x00000000005DE000-memory.dmp

Filesize
312KB

Download
memory/3872-150-0x0000000000590000-0x00000000005DE000-memory.dmp

Filesize
312KB

Download
memory/3872-141-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3872-135-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4148-149-0x0000000005900000-0x000000000594E000-memory.dmp

Filesize
312KB

Download
memory/4148-152-0x0000000005900000-0x000000000594E000-memory.dmp

Filesize
312KB

Download