b013a22eed9b6a15e7b4a4e50d2d1dd9944b00a7270c530d25b06d668c4ee456

Analysis

max time kernel
102s
max time network
187s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
04-12-2022 14:38

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General

Target

b013a22eed9b6a15e7b4a4e50d2d1dd9944b00a7270c530d25b06d668c4ee456.dll
Size

11KB
MD5

81ded3e17fd3476e39f99cd3fed60bad
SHA1

a3c89e4b38606413e0d0be780119692f85b05d2f
SHA256

b013a22eed9b6a15e7b4a4e50d2d1dd9944b00a7270c530d25b06d668c4ee456
SHA512

ba664c2fbf6217a57ffcdeae128074d18319843920143c3562f4de9462fdd6e4f4fa5a8d4701d058382d04aa91dd0f47acca93e53c3467b2e62c4ee8a04b6147
SSDEEP

192:EMTA4eFEKYQhtzPc0+WS9M4J0cjcj7h/frWWbhekJmHYgEbtnV2hyH:EMM4jKxFPmM4maq7h/fKWF/Jm4gA2hy

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1224-56-0x0000000010000000-0x000000001000A000-memory.dmp	upx

Modifies Internet Explorer settings 1 TTPs 42 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Factor = "20"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 101c6a9edb0ad901	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Enable = "1"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377251555"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{BAAAF521-76CE-11ED-91F2-D2F8C2B78FDE} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000fbec07815684004d899a318f710de6af000000000200000000001066000000010000200000000d46f8b0cb2053b5c675faed0446501ade5d148671d56d5eb1dd7941b5000b30000000000e800000000200002000000022a9f2975fd325e5d19ef080a7255a3e6e29aa70eed62e9e086b0ae5a65e0722200000008fd03e696b8ed0c2e4bc812a3a2a66730d2aaf61c72563c77aec5dbf6237f9d940000000c2007f2e5eb71854e3703fbf132e95d691bfe5dd9bdf76e0b643888998aa14bf987d41b148da71aca6e8f4ed05f5d4834582392c98d9431c3c28e37c3686eedd	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\SearchScopes	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\New Windows\PopupMgr = "no"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\International\CpMRU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Size = "10"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
484	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
484	IEXPLORE.EXE
484	IEXPLORE.EXE
320	IEXPLORE.EXE
320	IEXPLORE.EXE
320	IEXPLORE.EXE
320	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 1224	1120	rundll32.exe	28
PID 1120 wrote to memory of 1224	1120	rundll32.exe	28
PID 1120 wrote to memory of 1224	1120	rundll32.exe	28
PID 1120 wrote to memory of 1224	1120	rundll32.exe	28
PID 1120 wrote to memory of 1224	1120	rundll32.exe	28
PID 1120 wrote to memory of 1224	1120	rundll32.exe	28
PID 1120 wrote to memory of 1224	1120	rundll32.exe	28
PID 1224 wrote to memory of 484	1224	rundll32.exe	29
PID 1224 wrote to memory of 484	1224	rundll32.exe	29
PID 1224 wrote to memory of 484	1224	rundll32.exe	29
PID 1224 wrote to memory of 484	1224	rundll32.exe	29
PID 484 wrote to memory of 320	484	IEXPLORE.EXE	31
PID 484 wrote to memory of 320	484	IEXPLORE.EXE	31
PID 484 wrote to memory of 320	484	IEXPLORE.EXE	31
PID 484 wrote to memory of 320	484	IEXPLORE.EXE	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b013a22eed9b6a15e7b4a4e50d2d1dd9944b00a7270c530d25b06d668c4ee456.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1120
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b013a22eed9b6a15e7b4a4e50d2d1dd9944b00a7270c530d25b06d668c4ee456.dll,#1
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of WriteProcessMemory
  PID:1224
- - C:\program files\Internet Explorer\IEXPLORE.EXE
    "C:\program files\Internet Explorer\IEXPLORE.EXE" -new http://www.t81.cn/ruwu/207.html
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:484
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:484 CREDAT:275457 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:320

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\Roaming\Microsoft\Windows\Cookies\LI8HFXM4.txt

Filesize
608B

MD5
9df7ea265a15ebac093724b7b23a4664

SHA1
41c3de2879bcd53f3786ee90d375c6dd0f327213

SHA256
c2a21669abce7229ac6bd03e3099decfd6e7e901cedad6331c77c8d0b2e7f1c1

SHA512
eb1867b40bd9d1d8899118d96c14a8959dea69df9227226e62e91d0a475cf1692c1e4e3d7c498b2f53d035bd84706bead277ebec023f45e40c255b64e9919489

Download Submit
memory/1224-55-0x0000000075291000-0x0000000075293000-memory.dmp

Filesize
8KB

Download
memory/1224-56-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download