ec52ac44465c578392f5737fcb5ef2421f4f9aab70072d7ddf05dcec976a21ab

Analysis

max time kernel
153s
max time network
194s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 19:28

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General

Target

ec52ac44465c578392f5737fcb5ef2421f4f9aab70072d7ddf05dcec976a21ab.exe
Size

115KB
MD5

9749d36aaa38dd527099aa4caea760b9
SHA1

2fbd06e3ac1941e5b0889aadddf7606297ab9278
SHA256

ec52ac44465c578392f5737fcb5ef2421f4f9aab70072d7ddf05dcec976a21ab
SHA512

b49094e98f58e23a913988451ba4c80119150ebc96ef71e6676bbf6c77a319aada4fef934a0a8a83996544e1b72a9d3c3c6fdbba0ae14017f5d2cd93c9f057f2
SSDEEP

1536:XmkfPqot/Z08z3jeeXNXS3zTgyaiQPEi/Ssf0xhDGnSWTQgtVlXmXH:TvtBfz3jeedmzl5i/SsfUhAQgtVlW3

Score

8^/10

bootkit persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1452	svchosts.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1584-55-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral1/files/0x000b0000000122ef-58.dat	upx
behavioral1/memory/1452-63-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral1/memory/1584-64-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral1/memory/1584-70-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1067

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	ec52ac44465c578392f5737fcb5ef2421f4f9aab70072d7ddf05dcec976a21ab.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\windows\svchosts.exe	ec52ac44465c578392f5737fcb5ef2421f4f9aab70072d7ddf05dcec976a21ab.exe
File opened for modification	C:\windows\svchosts.exe	ec52ac44465c578392f5737fcb5ef2421f4f9aab70072d7ddf05dcec976a21ab.exe

Modifies Internet Explorer settings 1 TTPs 36 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\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	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
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
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\Zoom	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 (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\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{209441F0-75CD-11ED-A8EF-5A9C998014C3} = "0"	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\DomainSuggestion\FileNames\	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\Main\WindowsSearch	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\TabbedBrowsing\NewTabPage	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\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000256ed27e8919d04f83812f84ee5c95da00000000020000000000106600000001000020000000e26b5e7580656c04e89483a29b78234c322401f4c98f982ed1eefbe7644537f4000000000e80000000020000200000002132f44db31567d4328f83339cd63d86f9c2627f5596a7b4f4b6d2fbecb9a1e820000000b9bd696bc60ce73d6b98049ecfca18bcbc6eb69b686d3262e369512b58f187e3400000006357b4528eeb030f86fe8d77d363d3e16137402df2b76c9e6d4bfcecf3aca0beca3983b75f0b90591e22dea2777e87ca0c7c57e78a2bbf27151a1c204ea76736	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b04e4dffd909d901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377140915"	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\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar	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\Main	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\TabbedBrowsing	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

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1584	ec52ac44465c578392f5737fcb5ef2421f4f9aab70072d7ddf05dcec976a21ab.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1484	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1584	ec52ac44465c578392f5737fcb5ef2421f4f9aab70072d7ddf05dcec976a21ab.exe
1452	svchosts.exe
1484	iexplore.exe
1484	iexplore.exe
304	IEXPLORE.EXE
304	IEXPLORE.EXE
304	IEXPLORE.EXE
304	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1584 wrote to memory of 1452	1584	ec52ac44465c578392f5737fcb5ef2421f4f9aab70072d7ddf05dcec976a21ab.exe	28
PID 1584 wrote to memory of 1452	1584	ec52ac44465c578392f5737fcb5ef2421f4f9aab70072d7ddf05dcec976a21ab.exe	28
PID 1584 wrote to memory of 1452	1584	ec52ac44465c578392f5737fcb5ef2421f4f9aab70072d7ddf05dcec976a21ab.exe	28
PID 1584 wrote to memory of 1452	1584	ec52ac44465c578392f5737fcb5ef2421f4f9aab70072d7ddf05dcec976a21ab.exe	28
PID 1584 wrote to memory of 1484	1584	ec52ac44465c578392f5737fcb5ef2421f4f9aab70072d7ddf05dcec976a21ab.exe	29
PID 1584 wrote to memory of 1484	1584	ec52ac44465c578392f5737fcb5ef2421f4f9aab70072d7ddf05dcec976a21ab.exe	29
PID 1584 wrote to memory of 1484	1584	ec52ac44465c578392f5737fcb5ef2421f4f9aab70072d7ddf05dcec976a21ab.exe	29
PID 1584 wrote to memory of 1484	1584	ec52ac44465c578392f5737fcb5ef2421f4f9aab70072d7ddf05dcec976a21ab.exe	29
PID 1484 wrote to memory of 304	1484	iexplore.exe	31
PID 1484 wrote to memory of 304	1484	iexplore.exe	31
PID 1484 wrote to memory of 304	1484	iexplore.exe	31
PID 1484 wrote to memory of 304	1484	iexplore.exe	31

C:\Users\Admin\AppData\Local\Temp\ec52ac44465c578392f5737fcb5ef2421f4f9aab70072d7ddf05dcec976a21ab.exe
"C:\Users\Admin\AppData\Local\Temp\ec52ac44465c578392f5737fcb5ef2421f4f9aab70072d7ddf05dcec976a21ab.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1584
- C:\windows\svchosts.exe
  C:\windows\svchosts.exe auto
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:1452
- C:\progra~1\Intern~1\iexplore.exe
  C:\\progra~1\\Intern~1\\iexplore.exe http://jianqiangzhe1.com/AddSetup.asp?id=137&localID=QM00013&isqq=3
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1484
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1484 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:304

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

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\Roaming\Microsoft\Windows\Cookies\KIAGLLAY.txt

Filesize
601B

MD5
e08a22ed17c658063b77a0e5150fbb4d

SHA1
9dd8fa201989702898bbb2fedd04297f0a112807

SHA256
14cc4ffc70651fe43f6c37064f42638bc07fe1602da864e0b37617e858fb9fff

SHA512
fb5b53eb99fff3ec4b0bf8223e25ab8058d4f14ef65800970b68c251f94da2e683cb22e5895d6440871c2df5215e2ba160963b47e94d276fd89bc1570fed8d1e

Download Submit
C:\Windows\svchosts.exe

Filesize
115KB

MD5
9749d36aaa38dd527099aa4caea760b9

SHA1
2fbd06e3ac1941e5b0889aadddf7606297ab9278

SHA256
ec52ac44465c578392f5737fcb5ef2421f4f9aab70072d7ddf05dcec976a21ab

SHA512
b49094e98f58e23a913988451ba4c80119150ebc96ef71e6676bbf6c77a319aada4fef934a0a8a83996544e1b72a9d3c3c6fdbba0ae14017f5d2cd93c9f057f2

Download Submit
memory/1452-63-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1484-69-0x0000000002630000-0x0000000002640000-memory.dmp

Filesize
64KB

Download
memory/1484-67-0x000007FEFB7B1000-0x000007FEFB7B3000-memory.dmp

Filesize
8KB

Download
memory/1584-61-0x0000000000270000-0x000000000028E000-memory.dmp

Filesize
120KB

Download
memory/1584-66-0x0000000000270000-0x000000000028E000-memory.dmp

Filesize
120KB

Download
memory/1584-64-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1584-68-0x0000000075C81000-0x0000000075C83000-memory.dmp

Filesize
8KB

Download
memory/1584-62-0x0000000000270000-0x000000000028E000-memory.dmp

Filesize
120KB

Download
memory/1584-70-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1584-55-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download