5f4434e9632fe5a4c81959abf0587a00aa71bb7d2d820e48db52ce18c5b6f26b

Analysis

max time kernel
122s
max time network
148s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
11/01/2024, 15:54

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General

Target

53f1580895e96439d4e2ffd7dac41c92.exe
Size

13KB
MD5

53f1580895e96439d4e2ffd7dac41c92
SHA1

cb675c6bc30b6b341fcce74a97222f4c8f6648b7
SHA256

5f4434e9632fe5a4c81959abf0587a00aa71bb7d2d820e48db52ce18c5b6f26b
SHA512

a3af4ce8bae0216bd71db38af1fa95cdd9ea4a90a80f100025fd1f0b0cbff4393518391f729990b9be379ccfefd90c0b1afbf73eb2d7f62bf6f77c9ed2458905
SSDEEP

192:CS4gbgkAN4SJj+bfrJsUwv7E6B/7Bvr9ZCspE+TMwrRmK+vhOroZd:CS4uI44aJ+7NB/7AeM4mnn

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1996-0-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1996-1-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 80e7f490a644da01	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000b0720b1d8642c344adb870a2e91786640000000002000000000010660000000100002000000055a4417630dbabf8c488ae0c827047e0f6a982c4d01b1511c5313cfc25c64f76000000000e8000000002000020000000786a1c0473480a67ef760d6ebf22de6bcca40162aee1cfea3d6285d4032e29c120000000c22885759878343cc15d1b4674f294060178451dc4770bfe32254327d254a7c3400000009d4f214b93009cf7b37a5ba73055563f22c6347c56d1837cfb7c5f50a37dda9423817210a8b98d228f16a12175c0c076dcaf162251069d8100ae3feb3a0d2787	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "411150349"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{BBE05471-B099-11EE-AC02-E6629DF8543F} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2420	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1996	53f1580895e96439d4e2ffd7dac41c92.exe
2420	iexplore.exe
2420	iexplore.exe
2592	IEXPLORE.EXE
2592	IEXPLORE.EXE
2592	IEXPLORE.EXE
2592	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 2420	1996	53f1580895e96439d4e2ffd7dac41c92.exe	27
PID 1996 wrote to memory of 2420	1996	53f1580895e96439d4e2ffd7dac41c92.exe	27
PID 1996 wrote to memory of 2420	1996	53f1580895e96439d4e2ffd7dac41c92.exe	27
PID 1996 wrote to memory of 2420	1996	53f1580895e96439d4e2ffd7dac41c92.exe	27
PID 2420 wrote to memory of 2592	2420	iexplore.exe	29
PID 2420 wrote to memory of 2592	2420	iexplore.exe	29
PID 2420 wrote to memory of 2592	2420	iexplore.exe	29
PID 2420 wrote to memory of 2592	2420	iexplore.exe	29

C:\Users\Admin\AppData\Local\Temp\53f1580895e96439d4e2ffd7dac41c92.exe
"C:\Users\Admin\AppData\Local\Temp\53f1580895e96439d4e2ffd7dac41c92.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://ads.eorezo.com/cgi-bin/advert/getads?did=43
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2420
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2420 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2592

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

Replay Monitor

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Downloads

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

Filesize
344B

MD5
c2e7592a30fb854014118862d2d060fa

SHA1
cb6f6fe5a123df603c9a3eff32c6733b34f1c3bb

SHA256
bf3a3eeeffaea4529b12225d91bad7badc616c8e249cfb4f4b05733fc11843ac

SHA512
04a8b839b1f28b824860f36cd7f396a614d81cd8d416580defd70b19760b6972088eed9472c795b10d8514d35b7f67a270561ca20c6bde44f8da6943fb5052b0

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

Filesize
344B

MD5
7eed3b2a1215a63374e07b7b62cd17aa

SHA1
fb43c08511fc15d790572210656a8a0dd89f687d

SHA256
291d38de208870b34abc4cec79cd5cf6204b9ee368b65c48cd312bf46a7438b1

SHA512
d56e29355e4357266630e5dbbdacf5f487af041c2dc98dda30ad3df7f0fac9aba54895e509f90735d7df93efafab22687714685cf5f67935636e80b1ab088eba

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabBE43.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarC72C.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
memory/1996-0-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1996-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download