73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae

Analysis

max time kernel
159s
max time network
187s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2022, 22:37

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General

Target

73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe
Size

164KB
MD5

62753ed4ba0d72ae5be0962c4bd0f6e0
SHA1

fb87345c4c113d35c8e4698c72e5caa1e6bbf9d1
SHA256

73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae
SHA512

e1fba6cdf0be2d7badc2ea1b90cae061626e4282d0ad3d3a269bb0f2261cb437f4d1bc2040dbb79c50218b44f90075d1be3f14ea43b0588b72970b07e4ac81e8
SSDEEP

3072:l5FeBleNP8ucWIbTrUOIi8os4/pwSq46tmvmHYerwrNZ0C7nF8RqXyN6X0:rPoTQZi8o/I4cYerwrNr7FzyQX0

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Screen Saver Pro 3.1 = "C:\\Users\\Admin\\AppData\\Roaming\\ScreenSaverPro.scr"	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Utzfzz = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Utzfzz.exe"	mspaint.exe

Enumerates connected drives 3 TTPs 24 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)	\??\E:	svchost.exe
File opened (read-only)	\??\F:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\D:	mspaint.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\B:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2340 set thread context of 5064	2340	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	82

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 25 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "371443393"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30987784"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1648785134"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30987784"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{86C8EF60-41FB-11ED-B696-DA88DC7FA106} = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1648785134"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3924	mspaint.exe
3924	mspaint.exe
5064	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe
5064	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe
5064	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2340	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	5064	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe
Token: SeDebugPrivilege	3272	svchost.exe
Token: SeDebugPrivilege	1036	IEXPLORE.EXE
Token: SeDebugPrivilege	3924	mspaint.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2044	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
3924	mspaint.exe
3924	mspaint.exe
3924	mspaint.exe
3924	mspaint.exe
2044	IEXPLORE.EXE
2044	IEXPLORE.EXE
1036	IEXPLORE.EXE
1036	IEXPLORE.EXE
1036	IEXPLORE.EXE
1036	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 3272	2340	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	81
PID 2340 wrote to memory of 3272	2340	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	81
PID 2340 wrote to memory of 3272	2340	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	81
PID 2340 wrote to memory of 3272	2340	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	81
PID 2340 wrote to memory of 3272	2340	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	81
PID 2340 wrote to memory of 3272	2340	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	81
PID 2340 wrote to memory of 5064	2340	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	82
PID 2340 wrote to memory of 5064	2340	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	82
PID 2340 wrote to memory of 5064	2340	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	82
PID 2340 wrote to memory of 5064	2340	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	82
PID 2340 wrote to memory of 5064	2340	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	82
PID 2340 wrote to memory of 5064	2340	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	82
PID 2340 wrote to memory of 5064	2340	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	82
PID 2340 wrote to memory of 5064	2340	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	82
PID 2340 wrote to memory of 5064	2340	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	82
PID 3272 wrote to memory of 3924	3272	svchost.exe	83
PID 3272 wrote to memory of 3924	3272	svchost.exe	83
PID 3272 wrote to memory of 3924	3272	svchost.exe	83
PID 5064 wrote to memory of 220	5064	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	87
PID 5064 wrote to memory of 220	5064	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	87
PID 5064 wrote to memory of 220	5064	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	87
PID 220 wrote to memory of 2044	220	iexplore.exe	88
PID 220 wrote to memory of 2044	220	iexplore.exe	88
PID 2044 wrote to memory of 1036	2044	IEXPLORE.EXE	89
PID 2044 wrote to memory of 1036	2044	IEXPLORE.EXE	89
PID 2044 wrote to memory of 1036	2044	IEXPLORE.EXE	89
PID 5064 wrote to memory of 3272	5064	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	81
PID 5064 wrote to memory of 3272	5064	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	81
PID 5064 wrote to memory of 3924	5064	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	83
PID 5064 wrote to memory of 3924	5064	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	83
PID 5064 wrote to memory of 1036	5064	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	89
PID 5064 wrote to memory of 1036	5064	73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe	89

C:\Users\Admin\AppData\Local\Temp\73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe
"C:\Users\Admin\AppData\Local\Temp\73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\system32\svchost.exe"
  2⤵
  - Enumerates connected drives
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3272
- - C:\Windows\SysWOW64\mspaint.exe
    "C:\Windows\system32\mspaint.exe"
    3⤵
    - 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:3924
- C:\Users\Admin\AppData\Local\Temp\73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe
  "C:\Users\Admin\AppData\Local\Temp\73133a9a5cd2b5f4b28520806af8df3f59c9691d233c1e56b49108a5ea18d7ae.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5064
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:220
  - - C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2044
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2044 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:1036

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
1⤵
PID:1844

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/2340-134-0x0000000002020000-0x0000000002034000-memory.dmp

Filesize
80KB

Download
memory/2340-132-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2340-141-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/3272-145-0x00000000028B0000-0x00000000028FE000-memory.dmp

Filesize
312KB

Download
memory/3272-142-0x0000000000610000-0x0000000000631000-memory.dmp

Filesize
132KB

Download
memory/3924-147-0x0000000004A60000-0x0000000004AAE000-memory.dmp

Filesize
312KB

Download
memory/3924-146-0x0000000004A60000-0x0000000004AAE000-memory.dmp

Filesize
312KB

Download
memory/5064-139-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/5064-144-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/5064-143-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/5064-137-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download