ramnit | 14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4

Analysis

max time kernel
117s
max time network
132s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18/11/2024, 10:55

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General

Target
14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe
Size 1.4MB
Sample241118-m1dfvavdnd
SHA256 14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4
MD5 7f2ea738eecc9ff7be1a571ad13408c0
SHA1 8b795d6210e4a208f203bc918e33cb26076f534d
SHA512 b3d8844ee2a88df213475aa28e0fdf9c9f613ea7686b28f787857b002c738ab6d8a26bd2e531d56a9df591449a053020557c8b0d424ff30b48afb6ca98045740
SSDEEP 24576:zFiJgbowe6ssJQcAZvI4lyzTCiKC/XS8BGqcJOx0D3gQ:z7ow4sKpqFSDJA0k
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

ramnit banker discovery 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
Ramnit family
ramnit

Executes dropped EXE 2 IoCs

pid	Process
2984	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe
2188	DesktopLayer.exe

Loads dropped DLL 2 IoCs

pid	Process
3012	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe
2984	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0008000000012117-1.dat	upx
behavioral1/memory/2984-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2984-10-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2188-20-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxCB3B.tmp	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "438089206"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{A4CFDAB1-A59B-11EF-856C-4E0B11BE40FD} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2188	DesktopLayer.exe
2188	DesktopLayer.exe
2188	DesktopLayer.exe
2188	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3048	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3012	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe
3012	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe
3048	iexplore.exe
3048	iexplore.exe
2344	IEXPLORE.EXE
2344	IEXPLORE.EXE
2344	IEXPLORE.EXE
2344	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2984	3012	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe	30
PID 3012 wrote to memory of 2984	3012	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe	30
PID 3012 wrote to memory of 2984	3012	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe	30
PID 3012 wrote to memory of 2984	3012	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe	30
PID 2984 wrote to memory of 2188	2984	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe	31
PID 2984 wrote to memory of 2188	2984	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe	31
PID 2984 wrote to memory of 2188	2984	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe	31
PID 2984 wrote to memory of 2188	2984	14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe	31
PID 2188 wrote to memory of 3048	2188	DesktopLayer.exe	32
PID 2188 wrote to memory of 3048	2188	DesktopLayer.exe	32
PID 2188 wrote to memory of 3048	2188	DesktopLayer.exe	32
PID 2188 wrote to memory of 3048	2188	DesktopLayer.exe	32
PID 3048 wrote to memory of 2344	3048	iexplore.exe	33
PID 3048 wrote to memory of 2344	3048	iexplore.exe	33
PID 3048 wrote to memory of 2344	3048	iexplore.exe	33
PID 3048 wrote to memory of 2344	3048	iexplore.exe	33

C:\Users\Admin\AppData\Local\Temp\14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe
"C:\Users\Admin\AppData\Local\Temp\14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Users\Admin\AppData\Local\Temp\14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe
  C:\Users\Admin\AppData\Local\Temp\14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2984
- - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2188
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:3048
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3048 CREDAT:275457 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2344

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