ramnit | 876c5cea11bbbcbe4089a3d0e8f95244cf855d3668e9bf06a97d8e20c1ff237c

General

Target

DesktopLayer - 副本.exe
Size

82KB
MD5

44e92c4b5f440b756f8fb0c9eeb460b2
SHA1

ed5bf6e6e4f2b71ba1e0f73381ee64155f9722c2
SHA256

876c5cea11bbbcbe4089a3d0e8f95244cf855d3668e9bf06a97d8e20c1ff237c
SHA512

378f3fa6f013437491f8c9b1c6bf0bc9641c9bc3e37f8f6c2fabc7402e8c0050d006bd84e251bd801cd37c0be9ded9277d52bc73b64f68aa14b8a6c3ff3f4566

Score

10^/10

ramnit banker spyware stealer trojan upx worm

Malware Config

Signatures

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1608-65-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

DesktopLayer - 副本.exe

description ioc process

File opened for modification C:\Program Files (x86)\Microsoft\px9147.tmp DesktopLayer - 副本.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px9147.tmp	DesktopLayer - 副本.exe

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{A6898271-F433-11EB-97F9-FAA569F8A986} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer - 副本.exe

pid process

1608 DesktopLayer - 副本.exe
1608 DesktopLayer - 副本.exe
1608 DesktopLayer - 副本.exe
1608 DesktopLayer - 副本.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2028 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2028 iexplore.exe
2028 iexplore.exe
1304 IEXPLORE.EXE
1304 IEXPLORE.EXE
1304 IEXPLORE.EXE
1304 IEXPLORE.EXE

pid	process
1608	DesktopLayer - 副本.exe
1608	DesktopLayer - 副本.exe
1608	DesktopLayer - 副本.exe
1608	DesktopLayer - 副本.exe

pid	process
2028	iexplore.exe

pid	process
2028	iexplore.exe
2028	iexplore.exe
1304	IEXPLORE.EXE
1304	IEXPLORE.EXE
1304	IEXPLORE.EXE
1304	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

DesktopLayer - 副本.exeiexplore.exe

description	pid	process	target process
PID 1608 wrote to memory of 2028	1608	DesktopLayer - 副本.exe	iexplore.exe
PID 1608 wrote to memory of 2028	1608	DesktopLayer - 副本.exe	iexplore.exe
PID 1608 wrote to memory of 2028	1608	DesktopLayer - 副本.exe	iexplore.exe
PID 1608 wrote to memory of 2028	1608	DesktopLayer - 副本.exe	iexplore.exe
PID 2028 wrote to memory of 1304	2028	iexplore.exe	IEXPLORE.EXE
PID 2028 wrote to memory of 1304	2028	iexplore.exe	IEXPLORE.EXE
PID 2028 wrote to memory of 1304	2028	iexplore.exe	IEXPLORE.EXE
PID 2028 wrote to memory of 1304	2028	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\DesktopLayer - 副本.exe
"C:\Users\Admin\AppData\Local\Temp\DesktopLayer - 副本.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1608

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2028 CREDAT:275457 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1304

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1304-67-0x0000000000000000-mapping.dmp

Download
memory/1608-60-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download
memory/1608-61-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1608-64-0x00000000001C0000-0x00000000001CF000-memory.dmp

Filesize
60KB

Download
memory/1608-65-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2028-62-0x0000000000000000-mapping.dmp

Download
memory/2028-63-0x000007FEFB631000-0x000007FEFB633000-memory.dmp

Filesize
8KB

Download
memory/2028-66-0x0000000000720000-0x0000000000730000-memory.dmp

Filesize
64KB

Download
memory/2028-68-0x00000000037E0000-0x00000000037E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads