fba4861b7979b4be297fde28d15a02fde9ad4d8869a1063f2c927d3473a12a3a

Analysis

max time kernel
0s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 01:55

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General

Target

2387c15e599cb23223f65a307d042aae.html
Size

228KB
MD5

2387c15e599cb23223f65a307d042aae
SHA1

bf4b610b7d09f6a8daceced5d541ac9d9ef232cc
SHA256

fba4861b7979b4be297fde28d15a02fde9ad4d8869a1063f2c927d3473a12a3a
SHA512

c0e488381fc39a04ec0e1f4cbbbcd92e739c7373b86fd3f81ed7a01e0bfd08eb1725adf85238d5a6455dcf9962c8c3b1229f40537fcf07601c9115ed77668851
SSDEEP

3072:S38yfkMY+BES09JXAnyrZalI+YaayfkMY+BES09JXAnyrZalI+YQ:S3hsMYod+X3oI+Ya/sMYod+X3oI+YQ

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1332-20-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1332-33-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4868-32-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5000	1332	WerFault.exe	90
3216	4868	WerFault.exe

Modifies Internet Explorer settings 1 TTPs 6 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{29D8695A-A8E8-11EE-A0B6-6EDCCF833886} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2168	iexplore.exe
2168	iexplore.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 3860	2168	iexplore.exe	16
PID 2168 wrote to memory of 3860	2168	iexplore.exe	16
PID 2168 wrote to memory of 3860	2168	iexplore.exe	16

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\2387c15e599cb23223f65a307d042aae.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2168 CREDAT:17410 /prefetch:2
  2⤵
  PID:3860
- - C:\Users\Admin\AppData\Local\Temp\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
    3⤵
    PID:1332
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1332 -s 284
      4⤵
      Program crash
      PID:5000
- - C:\Users\Admin\AppData\Local\Temp\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
    3⤵
    PID:4868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1332 -ip 1332
1⤵
PID:3792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4868 -s 280
1⤵
- Program crash
PID:3216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4868 -ip 4868
1⤵
PID:2936

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

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Downloads

memory/1332-20-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1332-33-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4868-32-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download