17be29b1409cdcce9b51f4950c2fbe5745365e89c180ef5f959ae2309a973d1d

Analysis

max time kernel
140s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
17-03-2024 01:25

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General

Target

cf92dda49a91c36023ae0c094928f8c3.exe
Size

144KB
MD5

cf92dda49a91c36023ae0c094928f8c3
SHA1

e0e94a498147359f329cd32eaef8596e7859275b
SHA256

17be29b1409cdcce9b51f4950c2fbe5745365e89c180ef5f959ae2309a973d1d
SHA512

28059108ebd2c66a9835c40c5a6984a05ea4fb28f77a3e9e58d77edcb1ae5ec5fc00477264d0629d92dd8e57e07bfe435e0784793795cb997046a0dd505b920e
SSDEEP

3072:3v/qp1/WXqOWV6DqzknWeE/sBQ5zCFMFrdZx:e+6V4nWeE//dC2rdZx

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4148	Lywpwa.exe
4696	Lywpwa.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Lywpwa = "C:\\Users\\Admin\\AppData\\Roaming\\Lywpwa.exe"	cf92dda49a91c36023ae0c094928f8c3.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4736 set thread context of 3720	4736	cf92dda49a91c36023ae0c094928f8c3.exe	95
PID 4148 set thread context of 4696	4148	Lywpwa.exe	108

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{59112198-E3FD-11EE-9846-5262F08EE73F} = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31094794"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "417403752"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "762858278"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31094794"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31094794"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "762858278"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "791920750"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3720	cf92dda49a91c36023ae0c094928f8c3.exe
3720	cf92dda49a91c36023ae0c094928f8c3.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4696	Lywpwa.exe
Token: SeDebugPrivilege	4288	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1184	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4736	cf92dda49a91c36023ae0c094928f8c3.exe
4148	Lywpwa.exe
1184	IEXPLORE.EXE
1184	IEXPLORE.EXE
4288	IEXPLORE.EXE
4288	IEXPLORE.EXE
4288	IEXPLORE.EXE
4288	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 4736 wrote to memory of 3720	4736	cf92dda49a91c36023ae0c094928f8c3.exe	95
PID 4736 wrote to memory of 3720	4736	cf92dda49a91c36023ae0c094928f8c3.exe	95
PID 4736 wrote to memory of 3720	4736	cf92dda49a91c36023ae0c094928f8c3.exe	95
PID 4736 wrote to memory of 3720	4736	cf92dda49a91c36023ae0c094928f8c3.exe	95
PID 4736 wrote to memory of 3720	4736	cf92dda49a91c36023ae0c094928f8c3.exe	95
PID 4736 wrote to memory of 3720	4736	cf92dda49a91c36023ae0c094928f8c3.exe	95
PID 4736 wrote to memory of 3720	4736	cf92dda49a91c36023ae0c094928f8c3.exe	95
PID 4736 wrote to memory of 3720	4736	cf92dda49a91c36023ae0c094928f8c3.exe	95
PID 4736 wrote to memory of 3720	4736	cf92dda49a91c36023ae0c094928f8c3.exe	95
PID 3720 wrote to memory of 4148	3720	cf92dda49a91c36023ae0c094928f8c3.exe	107
PID 3720 wrote to memory of 4148	3720	cf92dda49a91c36023ae0c094928f8c3.exe	107
PID 3720 wrote to memory of 4148	3720	cf92dda49a91c36023ae0c094928f8c3.exe	107
PID 4148 wrote to memory of 4696	4148	Lywpwa.exe	108
PID 4148 wrote to memory of 4696	4148	Lywpwa.exe	108
PID 4148 wrote to memory of 4696	4148	Lywpwa.exe	108
PID 4148 wrote to memory of 4696	4148	Lywpwa.exe	108
PID 4148 wrote to memory of 4696	4148	Lywpwa.exe	108
PID 4148 wrote to memory of 4696	4148	Lywpwa.exe	108
PID 4148 wrote to memory of 4696	4148	Lywpwa.exe	108
PID 4148 wrote to memory of 4696	4148	Lywpwa.exe	108
PID 4148 wrote to memory of 4696	4148	Lywpwa.exe	108
PID 4696 wrote to memory of 2612	4696	Lywpwa.exe	111
PID 4696 wrote to memory of 2612	4696	Lywpwa.exe	111
PID 4696 wrote to memory of 2612	4696	Lywpwa.exe	111
PID 2612 wrote to memory of 1184	2612	iexplore.exe	112
PID 2612 wrote to memory of 1184	2612	iexplore.exe	112
PID 1184 wrote to memory of 4288	1184	IEXPLORE.EXE	113
PID 1184 wrote to memory of 4288	1184	IEXPLORE.EXE	113
PID 1184 wrote to memory of 4288	1184	IEXPLORE.EXE	113
PID 4696 wrote to memory of 4288	4696	Lywpwa.exe	113
PID 4696 wrote to memory of 4288	4696	Lywpwa.exe	113

C:\Users\Admin\AppData\Local\Temp\cf92dda49a91c36023ae0c094928f8c3.exe
"C:\Users\Admin\AppData\Local\Temp\cf92dda49a91c36023ae0c094928f8c3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4736
- C:\Users\Admin\AppData\Local\Temp\cf92dda49a91c36023ae0c094928f8c3.exe
  C:\Users\Admin\AppData\Local\Temp\cf92dda49a91c36023ae0c094928f8c3.exe
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3720
- - C:\Users\Admin\AppData\Roaming\Lywpwa.exe
    "C:\Users\Admin\AppData\Roaming\Lywpwa.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4148
  - - C:\Users\Admin\AppData\Roaming\Lywpwa.exe
      C:\Users\Admin\AppData\Roaming\Lywpwa.exe
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:4696
    - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
        
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2612
      - C:\Program Files\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:1184
        
        C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1184 CREDAT:17410 /prefetch:2
        7⤵
        Modifies Internet Explorer settings
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:4288

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3820 --field-trial-handle=2496,i,15897292497548307209,13920214570023230813,262144 --variations-seed-version /prefetch:8
1⤵
PID:4816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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\Local\Microsoft\Windows\INetCache\IE\R2H8ZEZE\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
144KB

MD5
cf92dda49a91c36023ae0c094928f8c3

SHA1
e0e94a498147359f329cd32eaef8596e7859275b

SHA256
17be29b1409cdcce9b51f4950c2fbe5745365e89c180ef5f959ae2309a973d1d

SHA512
28059108ebd2c66a9835c40c5a6984a05ea4fb28f77a3e9e58d77edcb1ae5ec5fc00477264d0629d92dd8e57e07bfe435e0784793795cb997046a0dd505b920e

Download Submit
memory/3720-2-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3720-4-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3720-5-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3720-10-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4696-19-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4696-20-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download