hxxps://jolfree[.]com

General

Target

https://jolfree.com

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 22 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "658720316"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "658720316"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31041356"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{52B74650-133F-11EE-8852-D2427B744E66} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31041356"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

964 iexplore.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

964 iexplore.exe
964 iexplore.exe
1420 IEXPLORE.EXE
1420 IEXPLORE.EXE

pid	process
964	iexplore.exe

pid	process
964	iexplore.exe
964	iexplore.exe
1420	IEXPLORE.EXE
1420	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

iexplore.exe

description	pid	process	target process
PID 964 wrote to memory of 1420	964	iexplore.exe	IEXPLORE.EXE
PID 964 wrote to memory of 1420	964	iexplore.exe	IEXPLORE.EXE
PID 964 wrote to memory of 1420	964	iexplore.exe	IEXPLORE.EXE

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://jolfree.com
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:964

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:964 CREDAT:17410 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1420

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2272

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
1⤵
PID:2104

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\anq17kf\imagestore.dat
Filesize
23KB

MD5
0f88b493ad3d46afcc78c502436a0815

SHA1
422ac4053a8ef3d200c11d4fa4c30731e0b27cc9

SHA256
d181015654b9d3893e265f1842989ab35f1f7277a0ed62702b5763cef2c7680d

SHA512
e0a1c2f15f0025c593bcecf8f4334badd2fb65786ae3640181394d3222f482be359b9295c34aabfa9eaa931c3b1aeaa11582b19d29299d5a4d921596a8423712

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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\EVX3E502\favicon[2].ico
Filesize
32KB

MD5
c3dfd147f45b5e2fa32fad03a62a7b1f

SHA1
a02f6e0ea7b242eb89a4b6d5b548d543b0e23adf

SHA256
96647d6bd18c7a0e03ae658d15ced03797ef17a6e575e623409cade1ca46744b

SHA512
834f79df8b22daa96758c4aef78fd321720f3fa242e133e2844e75d38b692d787267441e181d12faa84ec986113c23fba69e8c415e18e27c47b4d1436ddc3196

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Analysis

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