db5cf9d0b882c6a918d4e2f290a48e241a75d376a1e53c894383d1eb33ad2995

Analysis

max time kernel
93s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2022, 00:03

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General

Target

db5cf9d0b882c6a918d4e2f290a48e241a75d376a1e53c894383d1eb33ad2995.exe
Size

192KB
MD5

7565c3c29e79a24dd0e6f5894ecb9450
SHA1

ab1156f2af054838e14f42839e25d0e619ba796a
SHA256

db5cf9d0b882c6a918d4e2f290a48e241a75d376a1e53c894383d1eb33ad2995
SHA512

e623dee382057752bd401aa64b5efaeb807f82db8a4913f4df3e8b919faf98513d744a689a256c867ae1f16d87999300d6c40e0a7e026388b4b9e2477b58d5dd
SSDEEP

3072:oi+bQQgdYR4sOcBRdQZd5g18xJ5kOpaPM9erTRcm4esUV:Sb/gdY7HCKKJNaEoPKmJ

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3304	db5cf9d0b882c6a918d4e2f290a48e241a75d376a1e53c894383d1eb33ad2995mgr.exe
4100	WaterMark.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3304-139-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3304-140-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3304-143-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4100-151-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral2/memory/4100-152-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral2/memory/4100-153-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral2/memory/4100-156-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral2/memory/4100-157-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral2/memory/4100-158-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral2/memory/4100-159-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px7C97.tmp	db5cf9d0b882c6a918d4e2f290a48e241a75d376a1e53c894383d1eb33ad2995mgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	db5cf9d0b882c6a918d4e2f290a48e241a75d376a1e53c894383d1eb33ad2995mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	db5cf9d0b882c6a918d4e2f290a48e241a75d376a1e53c894383d1eb33ad2995mgr.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4928	5072	WerFault.exe	85

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
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\Main\WindowsSearch	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
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	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\Recovery\AdminActive\{2FBC6A8F-4909-11ED-B696-D2A4FF929712} = "0"	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 = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	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
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
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\DomainSuggestion\NextUpdateDate = "372218914"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	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
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\Recovery\AdminActive\{2FBC919F-4909-11ED-B696-D2A4FF929712} = "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 (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	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\Main\CompatibilityFlags = "0"	iexplore.exe
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

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4100	WaterMark.exe
4100	WaterMark.exe
4100	WaterMark.exe
4100	WaterMark.exe
4100	WaterMark.exe
4100	WaterMark.exe
4100	WaterMark.exe
4100	WaterMark.exe
4100	WaterMark.exe
4100	WaterMark.exe
4100	WaterMark.exe
4100	WaterMark.exe
4100	WaterMark.exe
4100	WaterMark.exe
4100	WaterMark.exe
4100	WaterMark.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5024	iexplore.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4100	WaterMark.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5024	iexplore.exe
5112	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
5024	iexplore.exe
5024	iexplore.exe
5112	iexplore.exe
5112	iexplore.exe
2392	IEXPLORE.EXE
2392	IEXPLORE.EXE
4576	IEXPLORE.EXE
4576	IEXPLORE.EXE
2392	IEXPLORE.EXE
2392	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3304	db5cf9d0b882c6a918d4e2f290a48e241a75d376a1e53c894383d1eb33ad2995mgr.exe
4100	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 3304	2376	db5cf9d0b882c6a918d4e2f290a48e241a75d376a1e53c894383d1eb33ad2995.exe	83
PID 2376 wrote to memory of 3304	2376	db5cf9d0b882c6a918d4e2f290a48e241a75d376a1e53c894383d1eb33ad2995.exe	83
PID 2376 wrote to memory of 3304	2376	db5cf9d0b882c6a918d4e2f290a48e241a75d376a1e53c894383d1eb33ad2995.exe	83
PID 3304 wrote to memory of 4100	3304	db5cf9d0b882c6a918d4e2f290a48e241a75d376a1e53c894383d1eb33ad2995mgr.exe	84
PID 3304 wrote to memory of 4100	3304	db5cf9d0b882c6a918d4e2f290a48e241a75d376a1e53c894383d1eb33ad2995mgr.exe	84
PID 3304 wrote to memory of 4100	3304	db5cf9d0b882c6a918d4e2f290a48e241a75d376a1e53c894383d1eb33ad2995mgr.exe	84
PID 4100 wrote to memory of 5072	4100	WaterMark.exe	85
PID 4100 wrote to memory of 5072	4100	WaterMark.exe	85
PID 4100 wrote to memory of 5072	4100	WaterMark.exe	85
PID 4100 wrote to memory of 5072	4100	WaterMark.exe	85
PID 4100 wrote to memory of 5072	4100	WaterMark.exe	85
PID 4100 wrote to memory of 5072	4100	WaterMark.exe	85
PID 4100 wrote to memory of 5072	4100	WaterMark.exe	85
PID 4100 wrote to memory of 5072	4100	WaterMark.exe	85
PID 4100 wrote to memory of 5072	4100	WaterMark.exe	85
PID 4100 wrote to memory of 5112	4100	WaterMark.exe	89
PID 4100 wrote to memory of 5112	4100	WaterMark.exe	89
PID 4100 wrote to memory of 5024	4100	WaterMark.exe	90
PID 4100 wrote to memory of 5024	4100	WaterMark.exe	90
PID 5112 wrote to memory of 4576	5112	iexplore.exe	91
PID 5112 wrote to memory of 4576	5112	iexplore.exe	91
PID 5112 wrote to memory of 4576	5112	iexplore.exe	91
PID 5024 wrote to memory of 2392	5024	iexplore.exe	92
PID 5024 wrote to memory of 2392	5024	iexplore.exe	92
PID 5024 wrote to memory of 2392	5024	iexplore.exe	92

C:\Users\Admin\AppData\Local\Temp\db5cf9d0b882c6a918d4e2f290a48e241a75d376a1e53c894383d1eb33ad2995.exe
"C:\Users\Admin\AppData\Local\Temp\db5cf9d0b882c6a918d4e2f290a48e241a75d376a1e53c894383d1eb33ad2995.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Users\Admin\AppData\Local\Temp\db5cf9d0b882c6a918d4e2f290a48e241a75d376a1e53c894383d1eb33ad2995mgr.exe
  C:\Users\Admin\AppData\Local\Temp\db5cf9d0b882c6a918d4e2f290a48e241a75d376a1e53c894383d1eb33ad2995mgr.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:3304
- - 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:4100
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      4⤵
      PID:5072
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 208
        5⤵
        Program crash
        
        PID:4928
  - - 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:5112
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5112 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4576
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:5024
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5024 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5072 -ip 5072
1⤵
PID:4952

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

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
120KB

MD5
83a5fa4246ce7541bebc5e64bf0b01b6

SHA1
bc92ac6ec1aec9702570ef975066278ca3effbb0

SHA256
5ad61430a72e3c3492995dc43cd48b0d449513f518bbc02de740b69f43bede2a

SHA512
1420a5037f92049b933e01f20227f6b71093da7ed3b99e437759baed937152cb7ab9fc9f1aad1b3946beb97f3e498e38b0b7af3b506140d3c281540c1ee6a2bc

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

Filesize
120KB

MD5
83a5fa4246ce7541bebc5e64bf0b01b6

SHA1
bc92ac6ec1aec9702570ef975066278ca3effbb0

SHA256
5ad61430a72e3c3492995dc43cd48b0d449513f518bbc02de740b69f43bede2a

SHA512
1420a5037f92049b933e01f20227f6b71093da7ed3b99e437759baed937152cb7ab9fc9f1aad1b3946beb97f3e498e38b0b7af3b506140d3c281540c1ee6a2bc

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{2FBC6A8F-4909-11ED-B696-D2A4FF929712}.dat

Filesize
5KB

MD5
73206dabd54db92f3525103925c470c0

SHA1
5021b559d8ad020e256f544154d6bd0e3286a47c

SHA256
a63322472ed00bf1ef1eafd69052cf2b4915160eb61cd45ec103f731479cd87b

SHA512
195cdf93ea0805619f6b6e48e5c8d28b5bf538ba5e3e447afd89c74dd48fa3268f0eb456d9325725e97397986d4d3028460b89abc56077e0a040d39cf5fbd244

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{2FBC919F-4909-11ED-B696-D2A4FF929712}.dat

Filesize
3KB

MD5
4871d39568ccf9117819300abb33042a

SHA1
eb67dfa2377080ba3586307aa37f8fff0f31d620

SHA256
1a08170314647d886857807e2f7e50733f19043dd709b16718c323788b0816c2

SHA512
c37998227f94645e46cd5cbcca354959659f8d28e6e3f6d8602a166ebd7d602241d2740c335d4203a57a1f37826283fdae0a82fa3e54a8f2e86a225da955d09d

Download Submit
C:\Users\Admin\AppData\Local\Temp\db5cf9d0b882c6a918d4e2f290a48e241a75d376a1e53c894383d1eb33ad2995mgr.exe

Filesize
120KB

MD5
83a5fa4246ce7541bebc5e64bf0b01b6

SHA1
bc92ac6ec1aec9702570ef975066278ca3effbb0

SHA256
5ad61430a72e3c3492995dc43cd48b0d449513f518bbc02de740b69f43bede2a

SHA512
1420a5037f92049b933e01f20227f6b71093da7ed3b99e437759baed937152cb7ab9fc9f1aad1b3946beb97f3e498e38b0b7af3b506140d3c281540c1ee6a2bc

Download Submit
C:\Users\Admin\AppData\Local\Temp\db5cf9d0b882c6a918d4e2f290a48e241a75d376a1e53c894383d1eb33ad2995mgr.exe

Filesize
120KB

MD5
83a5fa4246ce7541bebc5e64bf0b01b6

SHA1
bc92ac6ec1aec9702570ef975066278ca3effbb0

SHA256
5ad61430a72e3c3492995dc43cd48b0d449513f518bbc02de740b69f43bede2a

SHA512
1420a5037f92049b933e01f20227f6b71093da7ed3b99e437759baed937152cb7ab9fc9f1aad1b3946beb97f3e498e38b0b7af3b506140d3c281540c1ee6a2bc

Download Submit
memory/2376-136-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2376-132-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3304-143-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3304-140-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3304-139-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4100-151-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/4100-152-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/4100-153-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/4100-156-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/4100-157-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/4100-158-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/4100-159-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download