92f59b52b881f486de931fc16b03e836e92b090b10dfe8b352f4f11ea9602999

Analysis

max time kernel
115s
max time network
196s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30/10/2022, 17:09

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General

Target

92f59b52b881f486de931fc16b03e836e92b090b10dfe8b352f4f11ea9602999.exe
Size

162KB
MD5

82530b6197a1c4a5e83c8049b7e93e70
SHA1

725d896d3a2a68c9053caf1a5dc693a3cfa6adc8
SHA256

92f59b52b881f486de931fc16b03e836e92b090b10dfe8b352f4f11ea9602999
SHA512

5e3caaf64497d1e1e46c785512edee4d5db185c10d1600c01fdc23bc1866ca943192d23bea8bc0019e38e7a84a3f9b194348d1d1b901400a2f5b93282dc2f024
SSDEEP

3072:CulbGXMwcgrRYYktRSflQ2Kk9OSiXK4j3/dF7ZajG46EgMOEyKgw4PWQ3YxpeuB:9bQhxnKWDb4j30jG9wgw+WQyPB

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	\??\c:\windows\avast2006.exe	92f59b52b881f486de931fc16b03e836e92b090b10dfe8b352f4f11ea9602999.exe

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
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\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 903bcef70fedd801	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup	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\DomainSuggestion\FileNames\	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
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{1DAD1DE1-5903-11ED-BD9E-FAB5137186BE} = "0"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373975522"	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\Toolbar\WebBrowser	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\IETld\LowMic	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\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
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\GPU	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000062e6ef0d45f4454ab79548c962d74cdf00000000020000000000106600000001000020000000c59d73e529777bf951c7f1984f51d148247078a00147259fe14423f61bac6028000000000e80000000020000200000000b58fdcc58e9b330a1913bdbf360a4499452f235ceaef40907f18451a77ddba920000000bd012003aa39046d2166f979e3110623d355837514b538bff60b4f57c5688f0f4000000048e3491b2f5a45e7a6429cab769d90101938d098a7bbd96cfbb16c958dbaca3e979f2d4c279490d494b14e09693e094e301be7702c6437e5fc94a810f0c9060e	iexplore.exe
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 (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\TabbedBrowsing	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\BrowserEmulation\LowMic	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
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
520	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
520	iexplore.exe
520	iexplore.exe
1072	IEXPLORE.EXE
1072	IEXPLORE.EXE
1072	IEXPLORE.EXE
1072	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 520	1620	92f59b52b881f486de931fc16b03e836e92b090b10dfe8b352f4f11ea9602999.exe	29
PID 1620 wrote to memory of 520	1620	92f59b52b881f486de931fc16b03e836e92b090b10dfe8b352f4f11ea9602999.exe	29
PID 1620 wrote to memory of 520	1620	92f59b52b881f486de931fc16b03e836e92b090b10dfe8b352f4f11ea9602999.exe	29
PID 1620 wrote to memory of 520	1620	92f59b52b881f486de931fc16b03e836e92b090b10dfe8b352f4f11ea9602999.exe	29
PID 520 wrote to memory of 1072	520	iexplore.exe	30
PID 520 wrote to memory of 1072	520	iexplore.exe	30
PID 520 wrote to memory of 1072	520	iexplore.exe	30
PID 520 wrote to memory of 1072	520	iexplore.exe	30

C:\Users\Admin\AppData\Local\Temp\92f59b52b881f486de931fc16b03e836e92b090b10dfe8b352f4f11ea9602999.exe
"C:\Users\Admin\AppData\Local\Temp\92f59b52b881f486de931fc16b03e836e92b090b10dfe8b352f4f11ea9602999.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://hometown.aol.com.au/imagemarquivos/relatorio.htm
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:520
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:520 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1072

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
3dcf580a93972319e82cafbc047d34d5

SHA1
8528d2a1363e5de77dc3b1142850e51ead0f4b6b

SHA256
40810e31f1b69075c727e6d557f9614d5880112895ff6f4df1767e87ae5640d1

SHA512
98384be7218340f95dae88d1cb865f23a0b4e12855beb6e74a3752274c9b4c601e493864db777bca677a370d0a9dbffd68d94898a82014537f3a801cce839c42

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

Filesize
342B

MD5
a819f8cd3a1289f33d65cb1265971006

SHA1
15f7dae0e868cf6a8f59380b63906e15e464d7e7

SHA256
76667936cd653155b939d63343bc4895131861b55ab087457ac743b24298e281

SHA512
45ed2385952b1fd65787d0ecf0f75e95e1368fca4036f60dc210bc056cc61ad3a9a452efdafee5a22f71502f2df2f6833f73be458729648471fedc1f609165c0

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\LEDLP596.txt

Filesize
603B

MD5
8fa46e17ebb11cfe4fcac5adf47aadfb

SHA1
d9c7f26e182acfc115293c16eb68a93aeccbbc58

SHA256
af5a8a1425df7c96a5b3d709fffdeb3509a9f23d320715087d4b8a2f2adcbfb0

SHA512
9e28351b4dff38c30aff0b819ad0b79dde5a16f0b1fd139d83f96acc8f8c4f70d28da7166407b82a39e2dec303a386d7ad3d3f9b504e7638c40a671d9c6ff0bf

Download Submit
memory/1620-54-0x0000000075F51000-0x0000000075F53000-memory.dmp

Filesize
8KB

Download
memory/1620-55-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/1620-56-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download