9d42c1939edb4cea86a7aa6eec6d12dc00e6c17418b799f01a74c1c5ffc7ae35

Analysis

max time kernel
91s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 15:30

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General

Target

9d42c1939edb4cea86a7aa6eec6d12dc00e6c17418b799f01a74c1c5ffc7ae35.dll
Size

19KB
MD5

0abed0e339a2cd20d98103bd03e0608c
SHA1

e76369e5ae80aa1810bc2b6bbc60f20fd1334485
SHA256

9d42c1939edb4cea86a7aa6eec6d12dc00e6c17418b799f01a74c1c5ffc7ae35
SHA512

2070dc934ecb1f6246d3d98da52a4fec24a87f567426e79871368e68b16db92c37db2c2c3e2bdba944ba1a731d0270c0218cf97b1aa92fa0a6eab1621af6c03c
SSDEEP

384:ZRdCyfMqlW6DmQmENJoQjVDTkfUhkX7Y+aAzXgyB:xCyUql5DmQTDyUhkX7YSQ

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 35 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31000992"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377116324"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3019212968"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3023744045"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{DF65D87F-7593-11ED-A0EE-D64C4877EDD1} = "0"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31000992"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3019212968"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31000992"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 408c26b5a009d901	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000017483d456f3cb44895e0c60a925b4eb00000000020000000000106600000001000020000000da553393b35346b72030e6bcf97d42c9a79f60185e3de56bf7d8436a66df5b43000000000e80000000020000200000009bd3f239048fa8d9bff063369d10ef7d97ff6ca0d81ee5f6fd6b27d958cdff9e20000000ddc4779e64756d75898d6f73ff4b1395eeaaa131232117f21a86a47cde5cc9a7400000006213f00d8cef61a14923fbe9658dbdf7fca5c952e25952ea2a0f8ff7484124e09b78b6717ad5d1b9d6c32871dfa4929243e2829cb9b9f0666952dc721d29fffe	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000017483d456f3cb44895e0c60a925b4eb0000000002000000000010660000000100002000000039a3dad674aa6e72d5d1bb2c7d30aa0131a5361eaaa1b6c4626adf8b8496326b000000000e8000000002000020000000707890f04d4ccd5458470a932bf932efadc68898d27cfd98180196346ebd36d120000000e938a3161a4ffafddea8a9849713979ba2b8826e580dac0872ecb060259bf76f40000000c3e9bdbd7b426482f13fa5ce8ece899d99375f5f0c2bad4173f8778fdacd956d558d584a77d5fab502f3cf61e08b644f31a0d633309c5e84f7cb4a607d550c27	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 90030ab5a009d901	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4976	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4976	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4976	IEXPLORE.EXE
4976	IEXPLORE.EXE
2100	IEXPLORE.EXE
2100	IEXPLORE.EXE
2100	IEXPLORE.EXE
2100	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 1508	4960	rundll32.exe	66
PID 4960 wrote to memory of 1508	4960	rundll32.exe	66
PID 4960 wrote to memory of 1508	4960	rundll32.exe	66
PID 1508 wrote to memory of 5024	1508	rundll32.exe	82
PID 1508 wrote to memory of 5024	1508	rundll32.exe	82
PID 1508 wrote to memory of 5024	1508	rundll32.exe	82
PID 5024 wrote to memory of 4976	5024	iexplore.exe	83
PID 5024 wrote to memory of 4976	5024	iexplore.exe	83
PID 4976 wrote to memory of 2100	4976	IEXPLORE.EXE	84
PID 4976 wrote to memory of 2100	4976	IEXPLORE.EXE	84
PID 4976 wrote to memory of 2100	4976	IEXPLORE.EXE	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9d42c1939edb4cea86a7aa6eec6d12dc00e6c17418b799f01a74c1c5ffc7ae35.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9d42c1939edb4cea86a7aa6eec6d12dc00e6c17418b799f01a74c1c5ffc7ae35.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1508
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "http://www.ecartooes.com/img/feliz_natal/mensagem_boas_festas.jpg"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5024
  - - C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE" "http://www.ecartooes.com/img/feliz_natal/mensagem_boas_festas.jpg"
      4⤵
      Modifies Internet Explorer settings
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4976
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4976 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2100

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\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
f8f8086f87156d14091b152fcaadc3ce

SHA1
fe3cfbf9e2e871c948300473593dfcf189013386

SHA256
8d92f28b70ed5265fafad8b37ce049b0b8ecad038745173acc35a21b8222bf56

SHA512
1235be77513694a1478459e999631920be42183a6993dc1f93333831eaa54ea60c7d8617029289c95fed2f861fc7aa79da551c128df4428d23752044eb68ba7a

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
434B

MD5
337dc9590247965c845529171d27f6ea

SHA1
43b52f1e250a1a0c93555f38dc5349d9aad495f7

SHA256
0513989ec01963201d9a166d0c038528ef61609401632414e093a2d1132794fc

SHA512
6080e00976c0a0042b9d792810fd3692849f00d69021cd4ad21aaf00c86bfa8e4fa9dca80e78fcff3065358e585f0b322b2f87154b6e4e592fa9237731f566d1

Download Submit