23e6ec5e15f0c982a62ac31ed7d33239afb076f8a0dfb7a875a392a97e7664cd

Analysis

max time kernel
150s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
06/01/2024, 14:12

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General

Target

466e96f1f17a0cb840461a693775d968.exe
Size

718KB
MD5

466e96f1f17a0cb840461a693775d968
SHA1

c90924e66f4b051314cf431fed96692b1bd763b7
SHA256

23e6ec5e15f0c982a62ac31ed7d33239afb076f8a0dfb7a875a392a97e7664cd
SHA512

89c76f17460b06d5c698c3250e7181a37861044c692ca9ac965e4950ee98d6a2b8376fcc6fb91a1f00b980a752a2527c8c71e017cd6d1136c6c94d4e87a29969
SSDEEP

6144:GM/in98C/WvBJIzvGO8QC2Vr8nVG2CPRgLXM+1mq7kycl8dk3LNr6XoRDae8N5Yt:XC98CQnmGl2O+gL8+13gyc6EZou+APP

Score

6^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2404	4228	WerFault.exe	94

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\~ETUPBLK.TMP	466e96f1f17a0cb840461a693775d968.exe

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry\IEShims\NormalizedPaths\C:\Users\Admin\Favorites = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry\IEShims\NormalizedPaths\C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Recovery\Active	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\Active	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry\IEShims	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry\IEShims\NormalizedPaths\C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry\IEShims\NormalizedPaths\C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Virtualized = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\MINIE	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry\OperationalData = "5"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry\IEShims\NormalizedPaths\C:\ProgramData\Microsoft\Windows\DRM = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry\IEShims\NormalizedPaths\C:\Users\Admin\AppData\Local\Microsoft\Feeds = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry\IEShims\NormalizedPaths\C:\Users\Admin\AppData\LocalLow = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry\IEShims\NormalizedPaths\C:\Users\Admin\AppData\Local\Temp\Low\Low = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry\OperationalData = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\LowRegistry\IEShims\NormalizedPaths	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry\IEShims\NormalizedPaths	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry\IEShims\NormalizedPaths\C:\Users\Admin\$RECYCLE.BIN = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry\IEShims\NormalizedPaths\C:\ProgramData = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry\IEShims\NormalizedPaths\C:\Users\Admin\AppData\Local\Microsoft\Windows\History = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry\IEShims\NormalizedPaths\C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\MINIE	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry\IEShims\NormalizedPaths\C:\Users\Admin = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry\IEShims\NormalizedPaths\C:\Users\Admin\AppData\Local\Microsoft\Windows\WER = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry\IEShims\NormalizedPaths\C:\Users\Admin\AppData\Local\Microsoft\PlayReady = "0"	IEXPLORE.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000_Classes\Local Settings\MuiCache	IEXPLORE.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3852	IEXPLORE.EXE
Token: SeDebugPrivilege	3852	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4200	466e96f1f17a0cb840461a693775d968.exe
3852	IEXPLORE.EXE
3852	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4200 wrote to memory of 5016	4200	466e96f1f17a0cb840461a693775d968.exe	92
PID 4200 wrote to memory of 5016	4200	466e96f1f17a0cb840461a693775d968.exe	92
PID 4200 wrote to memory of 5016	4200	466e96f1f17a0cb840461a693775d968.exe	92
PID 5016 wrote to memory of 3852	5016	iexplore.exe	93
PID 5016 wrote to memory of 3852	5016	iexplore.exe	93
PID 3852 wrote to memory of 4228	3852	IEXPLORE.EXE	94
PID 3852 wrote to memory of 4228	3852	IEXPLORE.EXE	94
PID 3852 wrote to memory of 4228	3852	IEXPLORE.EXE	94

C:\Users\Admin\AppData\Local\Temp\466e96f1f17a0cb840461a693775d968.exe
"C:\Users\Admin\AppData\Local\Temp\466e96f1f17a0cb840461a693775d968.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4200
- C:\Program Files (x86)\internet explorer\iexplore.exe
  "C:\Program Files (x86)\internet explorer\iexplore.exe" "199.221.131.86/RequestHandler.ashx?MfcISAPICommand=installstatus&param=%58%00%01%00B8RppShaXz16gIKuMoGx-IfyPxYe8uM2t_rQcjFZcp7laxkswjfgqGu7nfbthglynGY1LbqE6B-xpAE93uAsVHp3SYja7yWETqWe2MwLpXUjIi7A_MItAm"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5016
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE" "199.221.131.86/RequestHandler.ashx?MfcISAPICommand=installstatus&param=%58%00%01%00B8RppShaXz16gIKuMoGx-IfyPxYe8uM2t_rQcjFZcp7laxkswjfgqGu7nfbthglynGY1LbqE6B-xpAE93uAsVHp3SYja7yWETqWe2MwLpXUjIi7A_MItAm"
    3⤵
    - Modifies Internet Explorer settings
    - Modifies registry class
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3852
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3852 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      PID:4228
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4228 -s 772
        5⤵
        Program crash
        
        PID:2404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4228 -ip 4228
1⤵
PID:3284

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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