deeef3093ad444bbd34dd06ec89923a569c008111bc2905fea1cb8aca807e3c5

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
20/10/2022, 07:58

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General

Target

deeef3093ad444bbd34dd06ec89923a569c008111bc2905fea1cb8aca807e3c5.exe
Size

123KB
MD5

811407dad7866484579fadb44b4c003a
SHA1

a49a315e6d6022d6f1b73fcff3226ebe8c5fc412
SHA256

deeef3093ad444bbd34dd06ec89923a569c008111bc2905fea1cb8aca807e3c5
SHA512

615d99de87a0c391472e32e7c0e1788309dc0ed193cd0d356decff13a56ad547d4854e14f16f648ee548061fdaf1263465af3a6d03374e48c0eca2088b75e5df
SSDEEP

768:n06R0UtgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9ICW:9R0Zn3Pc0LCH9MtbvabUDzJYWu3B

Score

10^/10

persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,c:\\program files (x86)\\microsoft\\watermark.exe"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2044	WaterMark.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2000-57-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2000-58-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2000-63-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2044-79-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2044-191-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
2000	deeef3093ad444bbd34dd06ec89923a569c008111bc2905fea1cb8aca807e3c5.exe
2000	deeef3093ad444bbd34dd06ec89923a569c008111bc2905fea1cb8aca807e3c5.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\dmlconf.dat	svchost.exe
File opened for modification	C:\Windows\SysWOW64\dmlconf.dat	svchost.exe

Drops file in Program Files directory 10 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	deeef3093ad444bbd34dd06ec89923a569c008111bc2905fea1cb8aca807e3c5.exe
File opened for modification	C:\Program Files\7-Zip\7-zip.dll	svchost.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	svchost.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	svchost.exe
File opened for modification	C:\Program Files\7-Zip\7z.dll	svchost.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	svchost.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxEA31.tmp	deeef3093ad444bbd34dd06ec89923a569c008111bc2905fea1cb8aca807e3c5.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	deeef3093ad444bbd34dd06ec89923a569c008111bc2905fea1cb8aca807e3c5.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	svchost.exe
File opened for modification	C:\Program Files\7-Zip\7-zip32.dll	svchost.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2044	WaterMark.exe
2044	WaterMark.exe
2044	WaterMark.exe
2044	WaterMark.exe
2044	WaterMark.exe
2044	WaterMark.exe
2044	WaterMark.exe
2044	WaterMark.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2044	WaterMark.exe
Token: SeDebugPrivilege	1272	svchost.exe
Token: SeDebugPrivilege	2044	WaterMark.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2000	deeef3093ad444bbd34dd06ec89923a569c008111bc2905fea1cb8aca807e3c5.exe
2044	WaterMark.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 2044	2000	deeef3093ad444bbd34dd06ec89923a569c008111bc2905fea1cb8aca807e3c5.exe	28
PID 2000 wrote to memory of 2044	2000	deeef3093ad444bbd34dd06ec89923a569c008111bc2905fea1cb8aca807e3c5.exe	28
PID 2000 wrote to memory of 2044	2000	deeef3093ad444bbd34dd06ec89923a569c008111bc2905fea1cb8aca807e3c5.exe	28
PID 2000 wrote to memory of 2044	2000	deeef3093ad444bbd34dd06ec89923a569c008111bc2905fea1cb8aca807e3c5.exe	28
PID 2044 wrote to memory of 1536	2044	WaterMark.exe	29
PID 2044 wrote to memory of 1536	2044	WaterMark.exe	29
PID 2044 wrote to memory of 1536	2044	WaterMark.exe	29
PID 2044 wrote to memory of 1536	2044	WaterMark.exe	29
PID 2044 wrote to memory of 1536	2044	WaterMark.exe	29
PID 2044 wrote to memory of 1536	2044	WaterMark.exe	29
PID 2044 wrote to memory of 1536	2044	WaterMark.exe	29
PID 2044 wrote to memory of 1536	2044	WaterMark.exe	29
PID 2044 wrote to memory of 1536	2044	WaterMark.exe	29
PID 2044 wrote to memory of 1536	2044	WaterMark.exe	29
PID 2044 wrote to memory of 1272	2044	WaterMark.exe	30
PID 2044 wrote to memory of 1272	2044	WaterMark.exe	30
PID 2044 wrote to memory of 1272	2044	WaterMark.exe	30
PID 2044 wrote to memory of 1272	2044	WaterMark.exe	30
PID 2044 wrote to memory of 1272	2044	WaterMark.exe	30
PID 2044 wrote to memory of 1272	2044	WaterMark.exe	30
PID 2044 wrote to memory of 1272	2044	WaterMark.exe	30
PID 2044 wrote to memory of 1272	2044	WaterMark.exe	30
PID 2044 wrote to memory of 1272	2044	WaterMark.exe	30
PID 2044 wrote to memory of 1272	2044	WaterMark.exe	30
PID 1272 wrote to memory of 260	1272	svchost.exe	7
PID 1272 wrote to memory of 260	1272	svchost.exe	7
PID 1272 wrote to memory of 260	1272	svchost.exe	7
PID 1272 wrote to memory of 260	1272	svchost.exe	7
PID 1272 wrote to memory of 260	1272	svchost.exe	7
PID 1272 wrote to memory of 332	1272	svchost.exe	6
PID 1272 wrote to memory of 332	1272	svchost.exe	6
PID 1272 wrote to memory of 332	1272	svchost.exe	6
PID 1272 wrote to memory of 332	1272	svchost.exe	6
PID 1272 wrote to memory of 332	1272	svchost.exe	6
PID 1272 wrote to memory of 372	1272	svchost.exe	5
PID 1272 wrote to memory of 372	1272	svchost.exe	5
PID 1272 wrote to memory of 372	1272	svchost.exe	5
PID 1272 wrote to memory of 372	1272	svchost.exe	5
PID 1272 wrote to memory of 372	1272	svchost.exe	5
PID 1272 wrote to memory of 384	1272	svchost.exe	4
PID 1272 wrote to memory of 384	1272	svchost.exe	4
PID 1272 wrote to memory of 384	1272	svchost.exe	4
PID 1272 wrote to memory of 384	1272	svchost.exe	4
PID 1272 wrote to memory of 384	1272	svchost.exe	4
PID 1272 wrote to memory of 420	1272	svchost.exe	3
PID 1272 wrote to memory of 420	1272	svchost.exe	3
PID 1272 wrote to memory of 420	1272	svchost.exe	3
PID 1272 wrote to memory of 420	1272	svchost.exe	3
PID 1272 wrote to memory of 420	1272	svchost.exe	3
PID 1272 wrote to memory of 464	1272	svchost.exe	2
PID 1272 wrote to memory of 464	1272	svchost.exe	2
PID 1272 wrote to memory of 464	1272	svchost.exe	2
PID 1272 wrote to memory of 464	1272	svchost.exe	2
PID 1272 wrote to memory of 464	1272	svchost.exe	2
PID 1272 wrote to memory of 480	1272	svchost.exe	1
PID 1272 wrote to memory of 480	1272	svchost.exe	1
PID 1272 wrote to memory of 480	1272	svchost.exe	1
PID 1272 wrote to memory of 480	1272	svchost.exe	1
PID 1272 wrote to memory of 480	1272	svchost.exe	1
PID 1272 wrote to memory of 488	1272	svchost.exe	8
PID 1272 wrote to memory of 488	1272	svchost.exe	8
PID 1272 wrote to memory of 488	1272	svchost.exe	8
PID 1272 wrote to memory of 488	1272	svchost.exe	8
PID 1272 wrote to memory of 488	1272	svchost.exe	8

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 LocalServiceNetworkRestricted
  2⤵
  PID:740
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k netsvcs
  2⤵
  PID:872
- - \\?\C:\Windows\system32\wbem\WMIADAP.EXE
    wmiadap.exe /F /T /R
    3⤵
    PID:836
- C:\Windows\system32\sppsvc.exe
  C:\Windows\system32\sppsvc.exe
  2⤵
  PID:1936
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
  2⤵
  PID:1644
- C:\Windows\system32\taskhost.exe
  "taskhost.exe"
  2⤵
  PID:1128
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
  2⤵
  PID:1084
- C:\Windows\System32\spoolsv.exe
  C:\Windows\System32\spoolsv.exe
  2⤵
  PID:936
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k NetworkService
  2⤵
  PID:300
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalService
  2⤵
  PID:824
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
  2⤵
  PID:792
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k RPCSS
  2⤵
  PID:660
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k DcomLaunch
  2⤵
  PID:584

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\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:332

C:\Windows\System32\smss.exe
\SystemRoot\System32\smss.exe
1⤵
PID:260

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe
1⤵
PID:1908

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1224
- C:\Users\Admin\AppData\Local\Temp\deeef3093ad444bbd34dd06ec89923a569c008111bc2905fea1cb8aca807e3c5.exe
  "C:\Users\Admin\AppData\Local\Temp\deeef3093ad444bbd34dd06ec89923a569c008111bc2905fea1cb8aca807e3c5.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2000
- - C:\Program Files (x86)\Microsoft\WaterMark.exe
    "C:\Program Files (x86)\Microsoft\WaterMark.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:2044
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      4⤵
      Modifies WinLogon for persistence
      Drops file in System32 directory
      Drops file in Program Files directory
      PID:1536
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1272

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1192

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft\WaterMark.exe

Filesize
123KB

MD5
811407dad7866484579fadb44b4c003a

SHA1
a49a315e6d6022d6f1b73fcff3226ebe8c5fc412

SHA256
deeef3093ad444bbd34dd06ec89923a569c008111bc2905fea1cb8aca807e3c5

SHA512
615d99de87a0c391472e32e7c0e1788309dc0ed193cd0d356decff13a56ad547d4854e14f16f648ee548061fdaf1263465af3a6d03374e48c0eca2088b75e5df

Download Submit
C:\Program Files (x86)\Microsoft\WaterMark.exe

Filesize
123KB

MD5
811407dad7866484579fadb44b4c003a

SHA1
a49a315e6d6022d6f1b73fcff3226ebe8c5fc412

SHA256
deeef3093ad444bbd34dd06ec89923a569c008111bc2905fea1cb8aca807e3c5

SHA512
615d99de87a0c391472e32e7c0e1788309dc0ed193cd0d356decff13a56ad547d4854e14f16f648ee548061fdaf1263465af3a6d03374e48c0eca2088b75e5df

Download Submit
\Program Files (x86)\Microsoft\WaterMark.exe

Filesize
123KB

MD5
811407dad7866484579fadb44b4c003a

SHA1
a49a315e6d6022d6f1b73fcff3226ebe8c5fc412

SHA256
deeef3093ad444bbd34dd06ec89923a569c008111bc2905fea1cb8aca807e3c5

SHA512
615d99de87a0c391472e32e7c0e1788309dc0ed193cd0d356decff13a56ad547d4854e14f16f648ee548061fdaf1263465af3a6d03374e48c0eca2088b75e5df

Download Submit
\Program Files (x86)\Microsoft\WaterMark.exe

Filesize
123KB

MD5
811407dad7866484579fadb44b4c003a

SHA1
a49a315e6d6022d6f1b73fcff3226ebe8c5fc412

SHA256
deeef3093ad444bbd34dd06ec89923a569c008111bc2905fea1cb8aca807e3c5

SHA512
615d99de87a0c391472e32e7c0e1788309dc0ed193cd0d356decff13a56ad547d4854e14f16f648ee548061fdaf1263465af3a6d03374e48c0eca2088b75e5df

Download Submit
memory/1272-85-0x0000000020010000-0x000000002001B000-memory.dmp

Filesize
44KB

Download
memory/1272-82-0x0000000020010000-0x000000002001B000-memory.dmp

Filesize
44KB

Download
memory/1536-80-0x0000000020010000-0x0000000020022000-memory.dmp

Filesize
72KB

Download
memory/1536-71-0x0000000020010000-0x0000000020022000-memory.dmp

Filesize
72KB

Download
memory/1536-75-0x0000000020010000-0x0000000020022000-memory.dmp

Filesize
72KB

Download
memory/1536-192-0x0000000020010000-0x0000000020022000-memory.dmp

Filesize
72KB

Download
memory/2000-63-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2000-54-0x0000000075501000-0x0000000075503000-memory.dmp

Filesize
8KB

Download
memory/2000-58-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2000-57-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2044-79-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2044-191-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download