ramnit | d73f2bf708ba9ca4ffca7dc70c183dc5589b9f8ced28efb2a01e073192f1b4e6

General

Target

d73f2bf708ba9ca4ffca7dc70c183dc5589b9f8ced28efb2a01e073192f1b4e6.dll
Size

248KB
MD5

5778efddf82b38c2fb0db0271fd922b1
SHA1

50e9d8fde0ed1867b968809de3239cc871df2801
SHA256

d73f2bf708ba9ca4ffca7dc70c183dc5589b9f8ced28efb2a01e073192f1b4e6
SHA512

3a99c88e1e56b27027d829cbf04a973d8ab967963855cddc45dafd73650a1c9687dee8ab4fc69ee277d23d0f98728e372cc513ddf79331d91505941f74b65560

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
Executes dropped EXE 2 IoCs

Processes:

rundll32Srv.exeDesktopLayer.exe

pid process

1932 rundll32Srv.exe
2032 DesktopLayer.exe

pid	process
1932	rundll32Srv.exe
2032	DesktopLayer.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
\Windows\SysWOW64\rundll32Srv.exe	upx
C:\Windows\SysWOW64\rundll32Srv.exe	upx
C:\Windows\SysWOW64\rundll32Srv.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/1932-76-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

rundll32.exerundll32Srv.exe

pid process

1620 rundll32.exe
1932 rundll32Srv.exe
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File created C:\Windows\SysWOW64\rundll32Srv.exe rundll32.exe

pid	process
1620	rundll32.exe
1932	rundll32Srv.exe

description	ioc	process
File created	C:\Windows\SysWOW64\rundll32Srv.exe	rundll32.exe

Drops file in Program Files directory 3 IoCs

Processes:

rundll32Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px26E2.tmp	rundll32Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327730121"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{A6AC8221-B469-11EB-9117-4E8833708825} = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

rundll32.exeDesktopLayer.exe

pid process

1620 rundll32.exe
2032 DesktopLayer.exe
2032 DesktopLayer.exe
2032 DesktopLayer.exe
2032 DesktopLayer.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

2000 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2000 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2000 iexplore.exe
2000 iexplore.exe
1692 IEXPLORE.EXE
1692 IEXPLORE.EXE
1692 IEXPLORE.EXE
1692 IEXPLORE.EXE

pid	process
1620	rundll32.exe
2032	DesktopLayer.exe
2032	DesktopLayer.exe
2032	DesktopLayer.exe
2032	DesktopLayer.exe

pid	process
2000	iexplore.exe

pid	process
2000	iexplore.exe

pid	process
2000	iexplore.exe
2000	iexplore.exe
1692	IEXPLORE.EXE
1692	IEXPLORE.EXE
1692	IEXPLORE.EXE
1692	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 368 wrote to memory of 1620	368	rundll32.exe	rundll32.exe
PID 368 wrote to memory of 1620	368	rundll32.exe	rundll32.exe
PID 368 wrote to memory of 1620	368	rundll32.exe	rundll32.exe
PID 368 wrote to memory of 1620	368	rundll32.exe	rundll32.exe
PID 368 wrote to memory of 1620	368	rundll32.exe	rundll32.exe
PID 368 wrote to memory of 1620	368	rundll32.exe	rundll32.exe
PID 368 wrote to memory of 1620	368	rundll32.exe	rundll32.exe
PID 1620 wrote to memory of 1932	1620	rundll32.exe	rundll32Srv.exe
PID 1620 wrote to memory of 1932	1620	rundll32.exe	rundll32Srv.exe
PID 1620 wrote to memory of 1932	1620	rundll32.exe	rundll32Srv.exe
PID 1620 wrote to memory of 1932	1620	rundll32.exe	rundll32Srv.exe
PID 1932 wrote to memory of 2032	1932	rundll32Srv.exe	DesktopLayer.exe
PID 1932 wrote to memory of 2032	1932	rundll32Srv.exe	DesktopLayer.exe
PID 1932 wrote to memory of 2032	1932	rundll32Srv.exe	DesktopLayer.exe
PID 1932 wrote to memory of 2032	1932	rundll32Srv.exe	DesktopLayer.exe
PID 2032 wrote to memory of 2000	2032	DesktopLayer.exe	iexplore.exe
PID 2032 wrote to memory of 2000	2032	DesktopLayer.exe	iexplore.exe
PID 2032 wrote to memory of 2000	2032	DesktopLayer.exe	iexplore.exe
PID 2032 wrote to memory of 2000	2032	DesktopLayer.exe	iexplore.exe
PID 2000 wrote to memory of 1692	2000	iexplore.exe	IEXPLORE.EXE
PID 2000 wrote to memory of 1692	2000	iexplore.exe	IEXPLORE.EXE
PID 2000 wrote to memory of 1692	2000	iexplore.exe	IEXPLORE.EXE
PID 2000 wrote to memory of 1692	2000	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d73f2bf708ba9ca4ffca7dc70c183dc5589b9f8ced28efb2a01e073192f1b4e6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:368

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d73f2bf708ba9ca4ffca7dc70c183dc5589b9f8ced28efb2a01e073192f1b4e6.dll,#1
2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1620

C:\Windows\SysWOW64\rundll32Srv.exe
C:\Windows\SysWOW64\rundll32Srv.exe
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1932

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2032

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
5⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2000

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2000 CREDAT:275457 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1692

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\PSEWS0L5.txt
MD5
d4e007020b64ea4a219dc874c37360ed

SHA1
87acaf5593298a11ad938f8710e369c6071151f5

SHA256
bf2c323886ab7c3f124b8fa7535d9a51c5a46c27bb32259cb38749faf7491185

SHA512
798fbac85858542e148bf61bb7c614b049b66bf9d359f205d3b8b10ccc2bdd59f860b4380050088d54036908d06c9145218911a4a37fef9d0eca97e2720c14b8

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Program Files (x86)\Microsoft\DesktopLayer.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Windows\SysWOW64\rundll32Srv.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1620-85-0x0000000000B00000-0x0000000000B01000-memory.dmp

Filesize
4KB

Download
memory/1620-80-0x0000000000170000-0x000000000019E000-memory.dmp

Filesize
184KB

Download
memory/1620-60-0x0000000076661000-0x0000000076663000-memory.dmp

Filesize
8KB

Download
memory/1620-84-0x0000000000170000-0x000000000019E000-memory.dmp

Filesize
184KB

Download
memory/1620-83-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/1620-59-0x0000000000000000-mapping.dmp

Download
memory/1620-82-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/1620-81-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/1620-77-0x0000000000550000-0x0000000000551000-memory.dmp

Filesize
4KB

Download
memory/1620-79-0x0000000000A20000-0x0000000000A21000-memory.dmp

Filesize
4KB

Download
memory/1620-78-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/1692-73-0x0000000000000000-mapping.dmp

Download
memory/1692-88-0x0000000000620000-0x0000000000622000-memory.dmp

Filesize
8KB

Download
memory/1932-76-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1932-75-0x00000000003C0000-0x00000000003CF000-memory.dmp

Filesize
60KB

Download
memory/1932-62-0x0000000000000000-mapping.dmp

Download
memory/2000-72-0x0000000000000000-mapping.dmp

Download
memory/2000-89-0x0000000004E80000-0x0000000004E81000-memory.dmp

Filesize
4KB

Download
memory/2032-71-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2032-67-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads