ramnit | 9563afb9e8d141d43e17944642734702d8b1a5833dcc1c09e0eda9bc2722cea6

General

Target

9563afb9e8d141d43e17944642734702d8b1a5833dcc1c09e0eda9bc2722cea6.dll
Size

464KB
MD5

6d990a2151b65cc002544c3be67bad39
SHA1

2f73725f82880a9874e00a240f121d5bffe4a044
SHA256

9563afb9e8d141d43e17944642734702d8b1a5833dcc1c09e0eda9bc2722cea6
SHA512

72ec9fce59b17c9b439d7a2841b3cbf7dfb7e6c767263673436f12889507b5c76f27ef5be3b7097c5c6c09075ef05cf35178835135a481b6701952efa3feeb6a
SSDEEP

12288:szA5lZhy6RpB/6eXMVVLrkwTzCunpKI13YEqWwRG5lMV:szA5HhRPSeX2VHkuzRnpz1ouK

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

pid	Process
1932	rundll32Srv.exe
1988	DesktopLayer.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0007000000005c50-56.dat	upx
behavioral1/memory/1360-60-0x00000000001B0000-0x00000000001DE000-memory.dmp	upx
behavioral1/files/0x0007000000005c50-62.dat	upx
behavioral1/files/0x0007000000005c50-64.dat	upx
behavioral1/files/0x000b0000000122f5-65.dat	upx
behavioral1/memory/1932-68-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000b0000000122f5-67.dat	upx
behavioral1/files/0x000b0000000122f5-70.dat	upx
behavioral1/memory/1988-71-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1360	rundll32.exe
1932	rundll32Srv.exe

Drops file in System32 directory 1 IoCs

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

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px43A6.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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1948	1360	WerFault.exe	27

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{FE56A551-4909-11ED-8FA0-42A98B637845} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "372219273"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1988	DesktopLayer.exe
1988	DesktopLayer.exe
1988	DesktopLayer.exe
1988	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1944	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1944	iexplore.exe
1944	iexplore.exe
1324	IEXPLORE.EXE
1324	IEXPLORE.EXE
1324	IEXPLORE.EXE
1324	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1512 wrote to memory of 1360	1512	rundll32.exe	27
PID 1512 wrote to memory of 1360	1512	rundll32.exe	27
PID 1512 wrote to memory of 1360	1512	rundll32.exe	27
PID 1512 wrote to memory of 1360	1512	rundll32.exe	27
PID 1512 wrote to memory of 1360	1512	rundll32.exe	27
PID 1512 wrote to memory of 1360	1512	rundll32.exe	27
PID 1512 wrote to memory of 1360	1512	rundll32.exe	27
PID 1360 wrote to memory of 1932	1360	rundll32.exe	28
PID 1360 wrote to memory of 1932	1360	rundll32.exe	28
PID 1360 wrote to memory of 1932	1360	rundll32.exe	28
PID 1360 wrote to memory of 1932	1360	rundll32.exe	28
PID 1932 wrote to memory of 1988	1932	rundll32Srv.exe	29
PID 1932 wrote to memory of 1988	1932	rundll32Srv.exe	29
PID 1932 wrote to memory of 1988	1932	rundll32Srv.exe	29
PID 1932 wrote to memory of 1988	1932	rundll32Srv.exe	29
PID 1988 wrote to memory of 1944	1988	DesktopLayer.exe	30
PID 1988 wrote to memory of 1944	1988	DesktopLayer.exe	30
PID 1988 wrote to memory of 1944	1988	DesktopLayer.exe	30
PID 1988 wrote to memory of 1944	1988	DesktopLayer.exe	30
PID 1360 wrote to memory of 1948	1360	rundll32.exe	31
PID 1360 wrote to memory of 1948	1360	rundll32.exe	31
PID 1360 wrote to memory of 1948	1360	rundll32.exe	31
PID 1360 wrote to memory of 1948	1360	rundll32.exe	31
PID 1944 wrote to memory of 1324	1944	iexplore.exe	33
PID 1944 wrote to memory of 1324	1944	iexplore.exe	33
PID 1944 wrote to memory of 1324	1944	iexplore.exe	33
PID 1944 wrote to memory of 1324	1944	iexplore.exe	33

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9563afb9e8d141d43e17944642734702d8b1a5833dcc1c09e0eda9bc2722cea6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1512
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9563afb9e8d141d43e17944642734702d8b1a5833dcc1c09e0eda9bc2722cea6.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1360
- - 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:1988
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:1944
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1944 CREDAT:275457 /prefetch:2
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1324
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1360 -s 224
    3⤵
    - Program crash
    PID:1948

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

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

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

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\GD5GDDPR.txt

Filesize
606B

MD5
28dd5ec0a5b1dd2e808ab57f11b87904

SHA1
4e3cd6d24972195518f3ebd0f4f2d4f1a7a8c217

SHA256
6676b99072f5fc4e00f7187bafe931f037215c2419a68fdb44ca06483575ae7a

SHA512
af7efa7718f23fcfa5375777ea8fece371ec65a1c13fc51bf626c82a899ccb80c1f338ae5856c32bfea54168641133f9697e2c5078998e543d4addacc16d845f

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

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

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

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

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

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Windows\SysWOW64\rundll32Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1360-57-0x0000000075060000-0x00000000750DB000-memory.dmp

Filesize
492KB

Download
memory/1360-60-0x00000000001B0000-0x00000000001DE000-memory.dmp

Filesize
184KB

Download
memory/1360-59-0x0000000075060000-0x00000000750DB000-memory.dmp

Filesize
492KB

Download
memory/1360-58-0x0000000074FE0000-0x000000007505B000-memory.dmp

Filesize
492KB

Download
memory/1360-73-0x0000000074FE0000-0x000000007505B000-memory.dmp

Filesize
492KB

Download
memory/1360-55-0x00000000756A1000-0x00000000756A3000-memory.dmp

Filesize
8KB

Download
memory/1932-68-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1988-71-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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