ef18617df930cd4a096b1c6464cedf04932912edc7acf9f2046ec9a3118d5e40

Analysis

max time kernel
100s
max time network
163s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
29-11-2022 10:45

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General

Target

ef18617df930cd4a096b1c6464cedf04932912edc7acf9f2046ec9a3118d5e40.exe
Size

64KB
MD5

bb8690144a3782d418b7080dbcb40061
SHA1

44657b1ff0e1be94959db9a9767256c50edd5b5f
SHA256

ef18617df930cd4a096b1c6464cedf04932912edc7acf9f2046ec9a3118d5e40
SHA512

b5be699880784c791dd232357d55db324bfe6ff329b490039ef18be23ffe99bcab6228c2a1839d6b1b56573b27c00bb8c8bd4b3755e617a2808ac3cc98b205cd
SSDEEP

1536:PpqFQqHJOfPZTAOTnVLNM3JBdRzRccYxG:wZHAfqOTNNM3n9pYxG

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 34 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000000ad248f37bbb2945ab845caa58e1ba88000000000200000000001066000000010000200000002f75e5bd4e56daf22d3641939ff35a4382bc66b54eb6540398aa65d137ae0da4000000000e80000000020000200000008532d5cac5103b4f48bbcd1f23a223473d85046b49e1139275546cad4652f217200000000b328f89a6c775ab0aa361e641b16ec5ae107026258bcc44d4ba27cdd6ef0b9540000000ee54c35db739dfea386d2762560d485c7025ebb0f893c8bb5f99194891bba7216b5a123b09a5cf45e508914fdbc808326e3b863a1eb262f5c34e233c712f9d52	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{9F4196A1-70D8-11ED-9AAE-C6457FCBF3CF} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 3006ac99e504d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376596096"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1756	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1756	iexplore.exe
1756	iexplore.exe
1308	IEXPLORE.EXE
1308	IEXPLORE.EXE
1308	IEXPLORE.EXE
1308	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 1756	1932	ef18617df930cd4a096b1c6464cedf04932912edc7acf9f2046ec9a3118d5e40.exe	28
PID 1932 wrote to memory of 1756	1932	ef18617df930cd4a096b1c6464cedf04932912edc7acf9f2046ec9a3118d5e40.exe	28
PID 1932 wrote to memory of 1756	1932	ef18617df930cd4a096b1c6464cedf04932912edc7acf9f2046ec9a3118d5e40.exe	28
PID 1932 wrote to memory of 1756	1932	ef18617df930cd4a096b1c6464cedf04932912edc7acf9f2046ec9a3118d5e40.exe	28
PID 1756 wrote to memory of 1308	1756	iexplore.exe	30
PID 1756 wrote to memory of 1308	1756	iexplore.exe	30
PID 1756 wrote to memory of 1308	1756	iexplore.exe	30
PID 1756 wrote to memory of 1308	1756	iexplore.exe	30

C:\Users\Admin\AppData\Local\Temp\ef18617df930cd4a096b1c6464cedf04932912edc7acf9f2046ec9a3118d5e40.exe
"C:\Users\Admin\AppData\Local\Temp\ef18617df930cd4a096b1c6464cedf04932912edc7acf9f2046ec9a3118d5e40.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://www.vivo.com.br/portal/home.php/
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1756
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1756 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1308

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

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
1c57b41fea9f512841eb8407b3e3a539

SHA1
37e806b9e3930deabe6f95f3414d6f6dc44a3efe

SHA256
4dbda20c80fcfb9c08eec9353e347174d8b4595780fbf29bbe94e34d62913ce1

SHA512
0df0d21d6187d767a48445b6681b7538b39123a8dc95d328aa8cab53faeabce7341d1d500aecab8f9d5a4ee080bfb864dcc45e22f23e4fa93eb8c9379dfb29d3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\POPRBM20.txt

Filesize
608B

MD5
d3b880f00694e1e495e19604c8d90649

SHA1
5aea212567f4f126ea9a10795b6c6d7ce05f3eaa

SHA256
573756b20e833627cd53092b10ab6c47de4286614ca47b8a887c6285c737c2ab

SHA512
72ebace3e340474dbf76dc58e434878b6e52eb16e7289e70d39f2dc7bd8c617e8141a9740b631e55722db3867114e917d1d789a62cdb0602ef598a0c29b74972

Download Submit
memory/1932-54-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

Filesize
8KB

Download