fe4d324a6076e0a4dfdf34744979c3e0c74a2ad8a345066099b7f0b78f4a6ddb

Analysis

max time kernel
66s
max time network
141s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
21/12/2022, 12:59

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General

Target

🔊 Voice-Attchment.919340XXXX.wav.html
Size

59KB
MD5

ace2778cc55746b542eab970dbeff2c9
SHA1

1db7c96a05bfd99764e89eaf0ca08726a10b1616
SHA256

fe4d324a6076e0a4dfdf34744979c3e0c74a2ad8a345066099b7f0b78f4a6ddb
SHA512

133f1f048ccdf192e39c562604d1483f0dd67bf2ea715d4212cacdb9b3a058d0f8d4c60b417c2a7a9a0cdbbe14f7af2e49d96d15fa934f0da4f32e9814f7dcd2
SSDEEP

768:KuMJFcaxFsN85bl1Q+EH9RFDUjOwmLf8I/nn4cj1q/zA+:EFcaPwlZ+

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 38 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000256ed27e8919d04f83812f84ee5c95da00000000020000000000106600000001000020000000385c2f7e9f03828977268a2f250796a5ea5e993ad439580e2950e52c68de958e000000000e80000000020000200000005e483176e1ca1f3f4fba5de70d66884cb59c97a1a4c53a4fa7615fff81b834fb20000000582b769733e7ecfb9275d6a3914e63ddef96b9cef7391d4082ba88ad93104c8340000000b44a0c2afbda0d3728e6b652b2f2c97c36e794dc55d1387eec09167d1d5445d02bf3401936ae59a10417b85769ba212f411fe0e516308e66dbf32568a94f1302	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b0a89aa04415d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "378396179"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{C4C43211-8137-11ED-BDBF-EEAC7132E42C} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1700	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1700	iexplore.exe
1700	iexplore.exe
1908	IEXPLORE.EXE
1908	IEXPLORE.EXE
1908	IEXPLORE.EXE
1908	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 1908	1700	iexplore.exe	29
PID 1700 wrote to memory of 1908	1700	iexplore.exe	29
PID 1700 wrote to memory of 1908	1700	iexplore.exe	29
PID 1700 wrote to memory of 1908	1700	iexplore.exe	29

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" "C:\Users\Admin\AppData\Local\Temp\🔊 Voice-Attchment.919340XXXX.wav.html"
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1700 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1908

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

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\94308059B57B3142E455B38A6EB92015

Filesize
61KB

MD5
fc4666cbca561e864e7fdf883a9e6661

SHA1
2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

SHA256
10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

SHA512
c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
fe9a330f956ca623c4a779c9310bdc15

SHA1
15f308401824c6ea395d6ff15b4555450c7a5ee4

SHA256
d082253e209d764f0c0af064ce1a42a3ceac3aca8f84030f6e6b554d7dbf07cf

SHA512
185d8c59e26c6c1facba4a3fa8c924e05c50b65d5a8f088a6a6ece12eb999a6aa9167f586d983cee892490005b8bfab66f1c1cbd6db77c8929c901b1b53ed02b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\HDHU069D.txt

Filesize
608B

MD5
e225b8d1fb62b11d1e6ca35787c7a407

SHA1
15cbb4e06da930c61946d8f0858812e1d753e2ec

SHA256
8bc46d2bbb0e9cd7d949008749489f5a938f6601a1aa7df7a4c1412f9886dff8

SHA512
bc938859e0de3e8fdfd4c3f1a5af8b09c4b4f4a7f64afd6b92489884a09b69846862c372fc52eb161a6369b0c13d1db280799e8ebead504076f1755a79f90b09

Download Submit