ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7

Analysis

max time kernel
142s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2022, 15:14

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General

Target

ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7.exe
Size

354KB
MD5

1f04108924a073198369170e9ccec248
SHA1

bb3e5f5f565c7ae0f588ea3e4c40b0ffcf91510c
SHA256

ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7
SHA512

a08f36fbfd6ddb8817417c6079fe3e1fdad0272624363b4a3a5f956c595b4398f9f41d802fbd92acb16412418bb732521c1d754f1a608d9ea819798b16e7e851
SSDEEP

3072:7ToHR8L1KwK9f7UgV4qJMEG5qzxb251AEwRnEsScv3qug0z:7TEqL1u9TUgV5Rpzxb2nsnXh

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3060	Pviwil.exe
4808	Pviwil.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Pviwil = "C:\\Users\\Admin\\AppData\\Roaming\\Pviwil.exe"	ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 388 set thread context of 1824	388	ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7.exe	81
PID 3060 set thread context of 4808	3060	Pviwil.exe	83

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2197744830"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30997956"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2202744939"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30997956"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2202744939"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2197744830"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30997956"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30997956"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{AE65B87B-69B7-11ED-89AC-E62BBF623C53} = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375812289"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1824	ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7.exe
1824	ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4756	IEXPLORE.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4808	Pviwil.exe
Token: SeDebugPrivilege	444	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4756	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4756	IEXPLORE.EXE
4756	IEXPLORE.EXE
444	IEXPLORE.EXE
444	IEXPLORE.EXE
444	IEXPLORE.EXE
444	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 1824	388	ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7.exe	81
PID 388 wrote to memory of 1824	388	ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7.exe	81
PID 388 wrote to memory of 1824	388	ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7.exe	81
PID 388 wrote to memory of 1824	388	ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7.exe	81
PID 388 wrote to memory of 1824	388	ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7.exe	81
PID 388 wrote to memory of 1824	388	ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7.exe	81
PID 388 wrote to memory of 1824	388	ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7.exe	81
PID 388 wrote to memory of 1824	388	ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7.exe	81
PID 1824 wrote to memory of 3060	1824	ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7.exe	82
PID 1824 wrote to memory of 3060	1824	ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7.exe	82
PID 1824 wrote to memory of 3060	1824	ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7.exe	82
PID 3060 wrote to memory of 4808	3060	Pviwil.exe	83
PID 3060 wrote to memory of 4808	3060	Pviwil.exe	83
PID 3060 wrote to memory of 4808	3060	Pviwil.exe	83
PID 3060 wrote to memory of 4808	3060	Pviwil.exe	83
PID 3060 wrote to memory of 4808	3060	Pviwil.exe	83
PID 3060 wrote to memory of 4808	3060	Pviwil.exe	83
PID 3060 wrote to memory of 4808	3060	Pviwil.exe	83
PID 3060 wrote to memory of 4808	3060	Pviwil.exe	83
PID 4808 wrote to memory of 4860	4808	Pviwil.exe	84
PID 4808 wrote to memory of 4860	4808	Pviwil.exe	84
PID 4808 wrote to memory of 4860	4808	Pviwil.exe	84
PID 4860 wrote to memory of 4756	4860	iexplore.exe	85
PID 4860 wrote to memory of 4756	4860	iexplore.exe	85
PID 4756 wrote to memory of 444	4756	IEXPLORE.EXE	86
PID 4756 wrote to memory of 444	4756	IEXPLORE.EXE	86
PID 4756 wrote to memory of 444	4756	IEXPLORE.EXE	86
PID 4808 wrote to memory of 444	4808	Pviwil.exe	86
PID 4808 wrote to memory of 444	4808	Pviwil.exe	86

C:\Users\Admin\AppData\Local\Temp\ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7.exe
"C:\Users\Admin\AppData\Local\Temp\ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:388
- C:\Users\Admin\AppData\Local\Temp\ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7.exe
  C:\Users\Admin\AppData\Local\Temp\ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7.exe
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1824
- - C:\Users\Admin\AppData\Roaming\Pviwil.exe
    "C:\Users\Admin\AppData\Roaming\Pviwil.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3060
  - - C:\Users\Admin\AppData\Roaming\Pviwil.exe
      C:\Users\Admin\AppData\Roaming\Pviwil.exe
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:4808
    - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
        
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4860
      - C:\Program Files\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
        6⤵
        Modifies Internet Explorer settings
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:4756
        
        C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4756 CREDAT:17410 /prefetch:2
        7⤵
        Modifies Internet Explorer settings
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:444

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
cb295ed32b0acd9eac87bcc961fb315a

SHA1
a580f2d38c9d1611e25b6aaa3d79b54eb34d3ebe

SHA256
980abeaa872503211925db8acf8bdcdff0bc3c6deb2182fd698f6a444d2625be

SHA512
974f48bdfb8ea90a49cfa25cacc98c9a145702f4e4967dd6ffddd5eaee6144189499682e80b342708e04f812006314b04e5715492170d0f63c7b0530e9cd399a

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
434B

MD5
68e06f56874544e073dfdc95247f8cb6

SHA1
12e5706084a251da32a1079ad3bd8718bf53a50b

SHA256
4d0a1a8120b3f782da004aaba32501ee69cb6fb516e42f2294417e297f603678

SHA512
eb8a05ec4d76a31ed0f55e379d236ebe3a4ae90784f3afecc5fefdecd35a0b0bf2965bf892551433b6041b2d1edcf64bae1fe15b6e335edd4287af3f9a815cbc

Download Submit
C:\Users\Admin\AppData\Roaming\Pviwil.exe

Filesize
354KB

MD5
1f04108924a073198369170e9ccec248

SHA1
bb3e5f5f565c7ae0f588ea3e4c40b0ffcf91510c

SHA256
ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7

SHA512
a08f36fbfd6ddb8817417c6079fe3e1fdad0272624363b4a3a5f956c595b4398f9f41d802fbd92acb16412418bb732521c1d754f1a608d9ea819798b16e7e851

Download Submit
C:\Users\Admin\AppData\Roaming\Pviwil.exe

Filesize
354KB

MD5
1f04108924a073198369170e9ccec248

SHA1
bb3e5f5f565c7ae0f588ea3e4c40b0ffcf91510c

SHA256
ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7

SHA512
a08f36fbfd6ddb8817417c6079fe3e1fdad0272624363b4a3a5f956c595b4398f9f41d802fbd92acb16412418bb732521c1d754f1a608d9ea819798b16e7e851

Download Submit
C:\Users\Admin\AppData\Roaming\Pviwil.exe

Filesize
354KB

MD5
1f04108924a073198369170e9ccec248

SHA1
bb3e5f5f565c7ae0f588ea3e4c40b0ffcf91510c

SHA256
ceaf58ec3fe3e00c5de53880b87775843ac5a89d88fa2b6121b500cd97b9e2e7

SHA512
a08f36fbfd6ddb8817417c6079fe3e1fdad0272624363b4a3a5f956c595b4398f9f41d802fbd92acb16412418bb732521c1d754f1a608d9ea819798b16e7e851

Download Submit
memory/388-136-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/388-132-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1824-137-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1824-141-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1824-138-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1824-134-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3060-143-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/3060-148-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4808-150-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4808-151-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download