06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780c

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
02/10/2022, 05:00

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General

Target

06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780c.exe
Size

1.1MB
MD5

732642d91b8fcb116b053152accadf6f
SHA1

17871feee8f967a7d1d9a43dea3bec8f83f38de3
SHA256

06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780c
SHA512

d3bb7a3f23663fa2065bd79b31af946966aa2559691099fe5383232f0a5857a1625df2f0ad876a86048f6e1c407ca5f715229e96029858ce9487c6474ed69832
SSDEEP

24576:LiM5uIshBc6ReEJwdQx5L9MFy75C7HMIPga:xuj06wdU9MZMQ

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 2 IoCs

pid	Process
956	06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780cmgr.exe
764	WaterMark.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/956-61-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/956-63-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/956-68-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/764-84-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/764-192-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Loads dropped DLL 4 IoCs

pid	Process
1168	06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780c.exe
1168	06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780c.exe
956	06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780cmgr.exe
956	06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780cmgr.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 opened for modification	C:\Program Files\7-Zip\7zG.exe	svchost.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px7DE.tmp	06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780cmgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780cmgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780cmgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.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\7-zip.dll	svchost.exe
File opened for modification	C:\Program Files\7-Zip\7-zip32.dll	svchost.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	svchost.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	svchost.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
764	WaterMark.exe
764	WaterMark.exe
764	WaterMark.exe
764	WaterMark.exe
764	WaterMark.exe
764	WaterMark.exe
764	WaterMark.exe
764	WaterMark.exe
1540	svchost.exe
1540	svchost.exe
1540	svchost.exe
1540	svchost.exe
1540	svchost.exe
1540	svchost.exe
1540	svchost.exe
1540	svchost.exe
1540	svchost.exe
1540	svchost.exe
1540	svchost.exe
1540	svchost.exe
1540	svchost.exe
1540	svchost.exe
1540	svchost.exe
1540	svchost.exe
1540	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	764	WaterMark.exe
Token: SeDebugPrivilege	1540	svchost.exe
Token: SeDebugPrivilege	764	WaterMark.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
956	06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780cmgr.exe
764	WaterMark.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1168 wrote to memory of 956	1168	06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780c.exe	27
PID 1168 wrote to memory of 956	1168	06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780c.exe	27
PID 1168 wrote to memory of 956	1168	06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780c.exe	27
PID 1168 wrote to memory of 956	1168	06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780c.exe	27
PID 956 wrote to memory of 764	956	06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780cmgr.exe	28
PID 956 wrote to memory of 764	956	06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780cmgr.exe	28
PID 956 wrote to memory of 764	956	06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780cmgr.exe	28
PID 956 wrote to memory of 764	956	06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780cmgr.exe	28
PID 764 wrote to memory of 780	764	WaterMark.exe	29
PID 764 wrote to memory of 780	764	WaterMark.exe	29
PID 764 wrote to memory of 780	764	WaterMark.exe	29
PID 764 wrote to memory of 780	764	WaterMark.exe	29
PID 764 wrote to memory of 780	764	WaterMark.exe	29
PID 764 wrote to memory of 780	764	WaterMark.exe	29
PID 764 wrote to memory of 780	764	WaterMark.exe	29
PID 764 wrote to memory of 780	764	WaterMark.exe	29
PID 764 wrote to memory of 780	764	WaterMark.exe	29
PID 764 wrote to memory of 780	764	WaterMark.exe	29
PID 764 wrote to memory of 1540	764	WaterMark.exe	30
PID 764 wrote to memory of 1540	764	WaterMark.exe	30
PID 764 wrote to memory of 1540	764	WaterMark.exe	30
PID 764 wrote to memory of 1540	764	WaterMark.exe	30
PID 764 wrote to memory of 1540	764	WaterMark.exe	30
PID 764 wrote to memory of 1540	764	WaterMark.exe	30
PID 764 wrote to memory of 1540	764	WaterMark.exe	30
PID 764 wrote to memory of 1540	764	WaterMark.exe	30
PID 764 wrote to memory of 1540	764	WaterMark.exe	30
PID 764 wrote to memory of 1540	764	WaterMark.exe	30
PID 1540 wrote to memory of 260	1540	svchost.exe	7
PID 1540 wrote to memory of 260	1540	svchost.exe	7
PID 1540 wrote to memory of 260	1540	svchost.exe	7
PID 1540 wrote to memory of 260	1540	svchost.exe	7
PID 1540 wrote to memory of 260	1540	svchost.exe	7
PID 1540 wrote to memory of 332	1540	svchost.exe	6
PID 1540 wrote to memory of 332	1540	svchost.exe	6
PID 1540 wrote to memory of 332	1540	svchost.exe	6
PID 1540 wrote to memory of 332	1540	svchost.exe	6
PID 1540 wrote to memory of 332	1540	svchost.exe	6
PID 1540 wrote to memory of 368	1540	svchost.exe	5
PID 1540 wrote to memory of 368	1540	svchost.exe	5
PID 1540 wrote to memory of 368	1540	svchost.exe	5
PID 1540 wrote to memory of 368	1540	svchost.exe	5
PID 1540 wrote to memory of 368	1540	svchost.exe	5
PID 1540 wrote to memory of 384	1540	svchost.exe	4
PID 1540 wrote to memory of 384	1540	svchost.exe	4
PID 1540 wrote to memory of 384	1540	svchost.exe	4
PID 1540 wrote to memory of 384	1540	svchost.exe	4
PID 1540 wrote to memory of 384	1540	svchost.exe	4
PID 1540 wrote to memory of 420	1540	svchost.exe	3
PID 1540 wrote to memory of 420	1540	svchost.exe	3
PID 1540 wrote to memory of 420	1540	svchost.exe	3
PID 1540 wrote to memory of 420	1540	svchost.exe	3
PID 1540 wrote to memory of 420	1540	svchost.exe	3
PID 1540 wrote to memory of 464	1540	svchost.exe	2
PID 1540 wrote to memory of 464	1540	svchost.exe	2
PID 1540 wrote to memory of 464	1540	svchost.exe	2
PID 1540 wrote to memory of 464	1540	svchost.exe	2
PID 1540 wrote to memory of 464	1540	svchost.exe	2
PID 1540 wrote to memory of 480	1540	svchost.exe	1
PID 1540 wrote to memory of 480	1540	svchost.exe	1
PID 1540 wrote to memory of 480	1540	svchost.exe	1
PID 1540 wrote to memory of 480	1540	svchost.exe	1
PID 1540 wrote to memory of 480	1540	svchost.exe	1
PID 1540 wrote to memory of 488	1540	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 netsvcs
  2⤵
  PID:880
- - \\?\C:\Windows\system32\wbem\WMIADAP.EXE
    wmiadap.exe /F /T /R
    3⤵
    PID:1820
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalService
  2⤵
  PID:852
- C:\Windows\System32\spoolsv.exe
  C:\Windows\System32\spoolsv.exe
  2⤵
  PID:304
- C:\Windows\system32\taskhost.exe
  "taskhost.exe"
  2⤵
  PID:1132
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
  2⤵
  PID:1052
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k NetworkService
  2⤵
  PID:324
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
  2⤵
  PID:808
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
  2⤵
  PID:756
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
  2⤵
  PID:1604
- C:\Windows\system32\sppsvc.exe
  C:\Windows\system32\sppsvc.exe
  2⤵
  PID:960
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k RPCSS
  2⤵
  PID:680
- 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:368
- 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\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1232

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1304
- C:\Users\Admin\AppData\Local\Temp\06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780c.exe
  "C:\Users\Admin\AppData\Local\Temp\06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780c.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1168
- - C:\Users\Admin\AppData\Local\Temp\06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780cmgr.exe
    C:\Users\Admin\AppData\Local\Temp\06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780cmgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:956
  - - C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of UnmapMainImage
      Suspicious use of WriteProcessMemory
      PID:764
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        Modifies WinLogon for persistence
        Drops file in System32 directory
        Drops file in Program Files directory
        
        PID:780
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:1540

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
119KB

MD5
9d5d609dc8e2554054733d19eed45c5c

SHA1
ce72453fca9f477940a9def32bd8463549c6e1e4

SHA256
7a85b3db04beb0c4b6a8929fdf79726bcf1084efab0a9f04a8ebaa0a2bc9e0b1

SHA512
012cabde17ed1c1d1a48b5bc136591ff9c8e261e5da8bc7f67d0bd235a32150f63274362cdeef2376d2d5a38dfb0c9acc7cd3aa5244c1858b88b183f8cbe550b

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

Filesize
119KB

MD5
9d5d609dc8e2554054733d19eed45c5c

SHA1
ce72453fca9f477940a9def32bd8463549c6e1e4

SHA256
7a85b3db04beb0c4b6a8929fdf79726bcf1084efab0a9f04a8ebaa0a2bc9e0b1

SHA512
012cabde17ed1c1d1a48b5bc136591ff9c8e261e5da8bc7f67d0bd235a32150f63274362cdeef2376d2d5a38dfb0c9acc7cd3aa5244c1858b88b183f8cbe550b

Download Submit
C:\Users\Admin\AppData\Local\Temp\06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780cmgr.exe

Filesize
119KB

MD5
9d5d609dc8e2554054733d19eed45c5c

SHA1
ce72453fca9f477940a9def32bd8463549c6e1e4

SHA256
7a85b3db04beb0c4b6a8929fdf79726bcf1084efab0a9f04a8ebaa0a2bc9e0b1

SHA512
012cabde17ed1c1d1a48b5bc136591ff9c8e261e5da8bc7f67d0bd235a32150f63274362cdeef2376d2d5a38dfb0c9acc7cd3aa5244c1858b88b183f8cbe550b

Download Submit
C:\Users\Admin\AppData\Local\Temp\06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780cmgr.exe

Filesize
119KB

MD5
9d5d609dc8e2554054733d19eed45c5c

SHA1
ce72453fca9f477940a9def32bd8463549c6e1e4

SHA256
7a85b3db04beb0c4b6a8929fdf79726bcf1084efab0a9f04a8ebaa0a2bc9e0b1

SHA512
012cabde17ed1c1d1a48b5bc136591ff9c8e261e5da8bc7f67d0bd235a32150f63274362cdeef2376d2d5a38dfb0c9acc7cd3aa5244c1858b88b183f8cbe550b

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

Filesize
119KB

MD5
9d5d609dc8e2554054733d19eed45c5c

SHA1
ce72453fca9f477940a9def32bd8463549c6e1e4

SHA256
7a85b3db04beb0c4b6a8929fdf79726bcf1084efab0a9f04a8ebaa0a2bc9e0b1

SHA512
012cabde17ed1c1d1a48b5bc136591ff9c8e261e5da8bc7f67d0bd235a32150f63274362cdeef2376d2d5a38dfb0c9acc7cd3aa5244c1858b88b183f8cbe550b

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

Filesize
119KB

MD5
9d5d609dc8e2554054733d19eed45c5c

SHA1
ce72453fca9f477940a9def32bd8463549c6e1e4

SHA256
7a85b3db04beb0c4b6a8929fdf79726bcf1084efab0a9f04a8ebaa0a2bc9e0b1

SHA512
012cabde17ed1c1d1a48b5bc136591ff9c8e261e5da8bc7f67d0bd235a32150f63274362cdeef2376d2d5a38dfb0c9acc7cd3aa5244c1858b88b183f8cbe550b

Download Submit
\Users\Admin\AppData\Local\Temp\06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780cmgr.exe

Filesize
119KB

MD5
9d5d609dc8e2554054733d19eed45c5c

SHA1
ce72453fca9f477940a9def32bd8463549c6e1e4

SHA256
7a85b3db04beb0c4b6a8929fdf79726bcf1084efab0a9f04a8ebaa0a2bc9e0b1

SHA512
012cabde17ed1c1d1a48b5bc136591ff9c8e261e5da8bc7f67d0bd235a32150f63274362cdeef2376d2d5a38dfb0c9acc7cd3aa5244c1858b88b183f8cbe550b

Download Submit
\Users\Admin\AppData\Local\Temp\06f5a82e39012ff2b5862fb7037df8178b734c462d74e036ed1beb3951ea780cmgr.exe

Filesize
119KB

MD5
9d5d609dc8e2554054733d19eed45c5c

SHA1
ce72453fca9f477940a9def32bd8463549c6e1e4

SHA256
7a85b3db04beb0c4b6a8929fdf79726bcf1084efab0a9f04a8ebaa0a2bc9e0b1

SHA512
012cabde17ed1c1d1a48b5bc136591ff9c8e261e5da8bc7f67d0bd235a32150f63274362cdeef2376d2d5a38dfb0c9acc7cd3aa5244c1858b88b183f8cbe550b

Download Submit
memory/764-192-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/764-84-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/780-85-0x0000000020010000-0x0000000020022000-memory.dmp

Filesize
72KB

Download
memory/780-193-0x0000000020010000-0x0000000020022000-memory.dmp

Filesize
72KB

Download
memory/780-80-0x0000000020010000-0x0000000020022000-memory.dmp

Filesize
72KB

Download
memory/780-76-0x0000000020010000-0x0000000020022000-memory.dmp

Filesize
72KB

Download
memory/956-68-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/956-63-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/956-61-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1168-54-0x00000000760E1000-0x00000000760E3000-memory.dmp

Filesize
8KB

Download
memory/1168-62-0x0000000001000000-0x0000000001116000-memory.dmp

Filesize
1.1MB

Download
memory/1540-87-0x0000000020010000-0x000000002001B000-memory.dmp

Filesize
44KB

Download
memory/1540-90-0x0000000020010000-0x000000002001B000-memory.dmp

Filesize
44KB

Download