hxxps://github[.]com/Da2dalus/The-MALWARE-Repo/blob/master/Trojan/MrsMajors/MrsMajor3[.]0[.]exe

max time kernel
38s
max time network
38s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
18/03/2025, 19:31

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Reason

Machine shutdown

Report Analysis Logs

General

Target

https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Trojan/MrsMajors/MrsMajor3.0.exe

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{92F6F6F1-042F-11F0-BB72-627BF89B6001} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1912	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1912	iexplore.exe
1912	iexplore.exe
2768	IEXPLORE.EXE
2768	IEXPLORE.EXE
2768	IEXPLORE.EXE
2768	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 1912	1740	explorer.exe	31
PID 1740 wrote to memory of 1912	1740	explorer.exe	31
PID 1740 wrote to memory of 1912	1740	explorer.exe	31
PID 1912 wrote to memory of 2768	1912	iexplore.exe	32
PID 1912 wrote to memory of 2768	1912	iexplore.exe	32
PID 1912 wrote to memory of 2768	1912	iexplore.exe	32
PID 1912 wrote to memory of 2768	1912	iexplore.exe	32

C:\Windows\explorer.exe
explorer https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Trojan/MrsMajors/MrsMajor3.0.exe
1⤵
PID:2624

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Trojan/MrsMajors/MrsMajor3.0.exe
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1912
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1912 CREDAT:275457 /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2768

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:2040

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

Filesize
2KB

MD5
e0285ddb857e171a76e173c47285cc76

SHA1
f0cab189d1ee917a0539d10cad4d1869f26e1a12

SHA256
538fbcf41f44a28758f1327558eabeccbabdc1ad4c404bd9440d1ff5b0b06396

SHA512
8b4ae2a315054a2a34f17db3fcc5e8bb54bdf637edc3745923768dd01bcba311a38a0e48e085b06ad3fe8e846877c72e49afb770e0f40ee4e0a3998326ce0e5c

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

Filesize
71KB

MD5
83142242e97b8953c386f988aa694e4a

SHA1
833ed12fc15b356136dcdd27c61a50f59c5c7d50

SHA256
d72761e1a334a754ce8250e3af7ea4bf25301040929fd88cf9e50b4a9197d755

SHA512
bb6da177bd16d163f377d9b4c63f6d535804137887684c113cc2f643ceab4f34338c06b5a29213c23d375e95d22ef417eac928822dfb3688ce9e2de9d5242d10

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

Filesize
1KB

MD5
f77c5a81cd7d1fbeec7951c2f5c1a9d8

SHA1
e6fec120e2f189e1ce0c5343884a99e8c8aac316

SHA256
b115916bf92d0a0797d5d693701b2f8947b0b3d45c7ade1e615b9bcd3d7d56a3

SHA512
bf64b8a55da640f9e2af0b3ac3ae16470c86d8842c6a4e1fac2bad23b7956aa51cb89f90b615bfdfdacb187681c0c6e05f5037bd4c34d65748c54ac1fb69e2b5

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

Filesize
344B

MD5
6b4cfc9a8bf9ac76998377f6bf2e1dc9

SHA1
e95373bf8617d2f46f875cf7ff43a75ee7d84aed

SHA256
1ce9f0fbef853caf3eb44f888ac59043f7b54f9e388c29a3a86daf4632d943fc

SHA512
2a2e4cb927ac9608b9e6ac17b9ad7a1a24dcb32be2c47f029238509fd2ccc0fbec01a57888c1a633778b0db1e1389a7e76c9ad476968fe3ab85be07c9ace8057

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

Filesize
344B

MD5
5a3b1f54b970601e6702c87bf84ef084

SHA1
6fca1765fbd8b9236d31788002927cc548d8df68

SHA256
a3905d24193cc0d089f89e5cca6fece27dca85e711c4b24ab0f510dd5ade0999

SHA512
3d4a202ebc85fa43e64e8284943772328b74258385a9967a54749866dc30b0cda490d22a51719b33777562a43d3cc25e66d10988a2878a4808af084eb0d545ba

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

Filesize
344B

MD5
dae78c03129d6d29a1f17aedb88706f2

SHA1
8904c5e7057cd0b5de465ad0673f093d53794769

SHA256
759ae2666b136d4f4ad31d469455dd03901c49d04e82384e8f5d80e6d892f10d

SHA512
4a79d51c11609bcd7fe16eefc59090e1732d93d43705efaef743f419cef558d20ef6d3e12c6913a47a8138a04528c91361cb34896cdf23f5fc88c818222ae6c6

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

Filesize
344B

MD5
ec74da974968e1b96f88c3e112999d97

SHA1
3618dbe701c21ab59d0786490c0df4afe5417e71

SHA256
c4d2a83bd25cf2d264ca171726796b80353f21a549f21d6d61abbd6183829c4c

SHA512
0c2e7c4507c8fac0c914db4dd03a8f02967235da6b22c09dcf816af1ac93fc58e00c9a5b7ad8ebf3d38997bfc59d39534748d7077d0eeb61cd57ad2303a6577b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\78076te\imagestore.dat

Filesize
1KB

MD5
d39df99fb7f3f65e70684a478abddc9e

SHA1
c2cd3475ae76648674e2a18aea4858576331bc89

SHA256
15319e75c6d9f27ec256da74a66805be560cdeafcdfc628f22fd472c5bc0fab4

SHA512
8145c14d75040ab83c51a56a74b08cdbcd6f57256cb8ab1acfab6eb0b27076f88194b341c91e50378d4cb991218a523e4c7d8e4cc277415f64fbb51a1f551b5d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\6G4X5UFP\favicon[1].png

Filesize
958B

MD5
346e09471362f2907510a31812129cd2

SHA1
323b99430dd424604ae57a19a91f25376e209759

SHA256
74cf90ac2fe6624ab1056cacea11cf7ed4f8bef54bbb0e869638013bba45bc08

SHA512
a62b0fcc02e671d6037725cf67935f8ca1c875f764ce39fed267420935c0b7bad69ab50d3f9f8c628e9b3cff439885ee416989e31ceaa5d32ae596dd7e5fedbd

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabB00D.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarB18D.tmp

Filesize
183KB

MD5
109cab5505f5e065b63d01361467a83b

SHA1
4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

SHA256
ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

SHA512
753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

Download Submit

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Analysis