hxxp://mofa[.]go[.]kr

Analysis

max time kernel
106s
max time network
150s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
29/10/2022, 20:55

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General

Target

http://mofa.go.kr

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{A91E3EF1-57CC-11ED-B63A-76C12A601AFA} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 801f988cd9ebd801	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000048ca5449a4d21846ba8a995ea0abd35a000000000200000000001066000000010000200000003d5f3c37e8bc6ed46f99cacd8c8cca360a81a76a7d05514db58db2d919799eb9000000000e8000000002000020000000b648f0d04f1d6fdeeda0f918368ba67ed97267306b4332e2ac2e6363fed639d8200000004f9047ad56dbe9fc5dac77e25880f4cfa7b4f22915006516b2917ad58d27b1524000000089ada417d904f0fb4ececfa10a67bac0e50aec1dac573cf2b7666c163a01fda3155ef50d7d843450b7f2ca610ca1402a7d79d6a5ac1ac1d745ab5de587e37374	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373842179"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1600	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1600	iexplore.exe
1600	iexplore.exe
588	IEXPLORE.EXE
588	IEXPLORE.EXE
588	IEXPLORE.EXE
588	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 588	1600	iexplore.exe	28
PID 1600 wrote to memory of 588	1600	iexplore.exe	28
PID 1600 wrote to memory of 588	1600	iexplore.exe	28
PID 1600 wrote to memory of 588	1600	iexplore.exe	28

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://mofa.go.kr
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1600 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:588

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\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
783d75ad94f350273e28cac98100c51a

SHA1
6cf1fce57e58088084bd1289db916438c90fa0c0

SHA256
2552eea97a718be417044bad2a2ce4cda5da7018eeb1514136162dc886ab7fad

SHA512
3c6251a8857ab1667ad8beb907796cc63dd55d6d363c2637d1a96bb6822541d23b360c4aab6427f9536c13c544ab446d6445e483537ab24f553687dbdee3063a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\309axvf\imagestore.dat

Filesize
38KB

MD5
fa031642a5ac5d8972f8dfb81050d385

SHA1
2b7a87f23a1ecf927f6f6fc464ca4beb33263617

SHA256
f15de26ea117fa5f91029afa3a2feb5f83b8ef9fcf468094f76898e79ae77c92

SHA512
cc603f7c7e20c6ce333916a95c16d2551b8be4db777c28f566c6a146505ea6f6e3452cd8c6947ab19e530f1e8a2c900805ff1338827f667c9c42214c1f200d8f

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\WCILR7MJ.txt

Filesize
603B

MD5
e79c1878e543feee54b1ef643de20de6

SHA1
1d45cbf9229d55172ad33d98f62d85376fd92720

SHA256
dfdeadee5f74f095b64c0d57c40082bcb05cd2b1435b3fe1f34e10ab13c50534

SHA512
fe1672b86a3548060df945b22494282ef835ae41c33455920439715861c71561d9c52f2e17faff4cbf19a6487ac751641e0b2b8b9179bd0667aefeb37bc7708b

Download Submit