ramnit | c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 18:28

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General

Target

c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240.exe
Size

204KB
MD5

189dc5f74b61e92c6859c369337e679e
SHA1

e07d47f6a5190cd925d049fd853eb4aa4ebb6448
SHA256

c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240
SHA512

95b57fa5f7108cf25a060fa31c1a96f13f5659867c5e63653aaaf4fe0ea65f45c02cec087cd0cfa13548a7f5dc606e221f3c16e8c1c69b26cd1414cb69ac3b66
SSDEEP

3072:ex2smNha00myg3m4zGMejNGBSNLM8snYr3ZV3DFoTYS39YLCpg1kAz2mLaQ:FNhKmErjPVM8snQ3z3DD89YL06JvLp

Score

10^/10

ramnit banker discovery persistence spyware stealer trojan upx worm

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,c:\\program files (x86)\\microsoft\\desktoplayer.exe"	svchost.exe

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
2080	c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240Srv.exe
2368	DesktopLayer.exe

Loads dropped DLL 4 IoCs

pid	Process
2128	c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240.exe
2128	c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240.exe
2080	c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240Srv.exe
2080	c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240Srv.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\dmlconf.dat	svchost.exe
File opened for modification	C:\Windows\SysWOW64\dmlconf.dat	svchost.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2080-12-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/2368-25-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/2368-48-0x0000000000400000-0x0000000000415000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\libGLESv2.dll	svchost.exe
File opened for modification	C:\Program Files\Mozilla Firefox\api-ms-win-crt-utility-l1-1-0.dll	svchost.exe
File opened for modification	C:\Program Files\Windows NT\TableTextService\TableTextService.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jdwp.dll	svchost.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	svchost.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\en-US\calendar.html	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\Stationery\Roses.htm	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\es\System.Speech.resources.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\System\wab32res.dll	svchost.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgRes.dll	svchost.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\de-DE\calendar.html	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\access\libaccess_srt_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\demux\libmjpeg_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\fr\UIAutomationClient.resources.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\demux\libnsv_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\video_chroma\libi422_yuy2_mmx_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\PhotoAcq.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jsound.dll	svchost.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\System.Data.Services.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\lua\http\mobile_browse.html	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\stream_extractor\libarchive_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\ja\System.IdentityModel.Resources.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\access\libaccess_wasapi_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\demux\libogg_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\visualization\libgoom_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\html\dcommon\html\cpyr.htm	svchost.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2ssv.dll	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\ja\System.IdentityModel.Selectors.Resources.dll	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\it\System.Data.Linq.Resources.dll	svchost.exe
File opened for modification	C:\Program Files\Windows Defender\MpAsDesc.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\glib-lite.dll	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\ja\WindowsBase.resources.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\codec\libkate_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\fr\System.IdentityModel.Resources.dll	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\ja\System.ServiceModel.Resources.dll	svchost.exe
File opened for modification	C:\Program Files\Windows Media Player\wmpnetwk.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ShapeCollector.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\es\WindowsBase.resources.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\access\libvcd_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\demux\libdiracsys_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\video_filter\libblendbench_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\optimization_guide_internal.dll	svchost.exe
File opened for modification	C:\Program Files\Internet Explorer\ieproxy.dll	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\de\PresentationBuildTasks.resources.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\journal.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\plugin2\npjp2.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\access\libtcp_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\stream_out\libstream_out_record_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_wer.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\dtplugin\npdeployJava1.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jpeg.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\keystore\libfile_keystore_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\PresentationFramework.Aero.dll	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\System.ServiceModel.dll	svchost.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	c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240Srv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2368	DesktopLayer.exe
2368	DesktopLayer.exe
2368	DesktopLayer.exe
2368	DesktopLayer.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2080	2128	c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240.exe	31
PID 2128 wrote to memory of 2080	2128	c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240.exe	31
PID 2128 wrote to memory of 2080	2128	c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240.exe	31
PID 2128 wrote to memory of 2080	2128	c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240.exe	31
PID 2080 wrote to memory of 2368	2080	c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240Srv.exe	32
PID 2080 wrote to memory of 2368	2080	c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240Srv.exe	32
PID 2080 wrote to memory of 2368	2080	c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240Srv.exe	32
PID 2080 wrote to memory of 2368	2080	c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240Srv.exe	32
PID 2368 wrote to memory of 2296	2368	DesktopLayer.exe	33
PID 2368 wrote to memory of 2296	2368	DesktopLayer.exe	33
PID 2368 wrote to memory of 2296	2368	DesktopLayer.exe	33
PID 2368 wrote to memory of 2296	2368	DesktopLayer.exe	33
PID 2368 wrote to memory of 2296	2368	DesktopLayer.exe	33
PID 2368 wrote to memory of 2296	2368	DesktopLayer.exe	33
PID 2368 wrote to memory of 2296	2368	DesktopLayer.exe	33
PID 2368 wrote to memory of 2296	2368	DesktopLayer.exe	33
PID 2368 wrote to memory of 2296	2368	DesktopLayer.exe	33
PID 2368 wrote to memory of 2296	2368	DesktopLayer.exe	33

C:\Users\Admin\AppData\Local\Temp\c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240.exe
"C:\Users\Admin\AppData\Local\Temp\c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Users\Admin\AppData\Local\Temp\c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240Srv.exe
  C:\Users\Admin\AppData\Local\Temp\c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240Srv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2080
- - 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:2368
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      4⤵
      Modifies WinLogon for persistence
      Drops file in System32 directory
      Drops file in Program Files directory
      System Location Discovery: System Language Discovery
      PID:2296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

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:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.feature_3.9.1.v20140827-1444\epl-v10.html

Filesize
116KB

MD5
69da173048583b96301cb479a59fa57b

SHA1
1f5e247b5cb080c5a77ba7769f7f7110b35e9a34

SHA256
e0dd89af3f7b3db2e6d70b8eb10b6def096337c2ce21db60cb5773b071a699eb

SHA512
d3ab8a5842b6b1ec048193f7330701639e579d3581d12ae63097070e05da6107be9465fc2ddfd0248d0da51030c3d145396d5cc99b3f59092a0d58597d5df369

Download Submit
C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.feature_3.9.1.v20140827-1444\license.html

Filesize
113KB

MD5
edec2fa704066a3ad1bfbf05b4544a49

SHA1
f45b82d4b20082630af1a0fcd6d2ee900b1d8007

SHA256
b5b8778a6fc8f6ab25376161ab84fe9ad7bc4266c19ec09a59bd2cec457aa5db

SHA512
306d672f88fb28621f056326fd11b0038fa76c98693335ececd90e5d2500f7cc5e1144c39801cf23d959430340e8c93ad551885e11e7f9f8e9f7791280c02eca

Download Submit
C:\Users\Admin\AppData\Local\Temp\c672e91fa1ba2cfe2a90f3aed84b24eff9d3d2927a58b8070d5310b9c83c8240Srv.exe

Filesize
52KB

MD5
a3e0fcd3f20ce9325284213684768a40

SHA1
1d523885a94c71659135bb1091e7b2e30a0e8a1b

SHA256
542fe44cc87cc6ab352994f51bcaa179a63c18e342a1e5b4beaad3225fae132f

SHA512
35ecd3fa6aabac8dca3922932e49b9bd11c82f2606dc391d1dc2b39bde110bab6dde941d30004670dc86e9cb8c29209374e09e955f4a975fa183393f89f61143

Download Submit
memory/2080-12-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2080-10-0x0000000000220000-0x0000000000235000-memory.dmp

Filesize
84KB

Download
memory/2080-21-0x0000000000220000-0x0000000000235000-memory.dmp

Filesize
84KB

Download
memory/2128-0-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2128-9-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2296-46-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/2296-27-0x0000000020010000-0x000000002001E000-memory.dmp

Filesize
56KB

Download
memory/2296-33-0x00000000000E0000-0x00000000000E1000-memory.dmp

Filesize
4KB

Download
memory/2296-34-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2296-40-0x0000000020010000-0x000000002001E000-memory.dmp

Filesize
56KB

Download
memory/2296-35-0x0000000020010000-0x000000002001E000-memory.dmp

Filesize
56KB

Download
memory/2296-29-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2296-44-0x0000000020010000-0x000000002001E000-memory.dmp

Filesize
56KB

Download
memory/2296-49-0x0000000020010000-0x000000002001E000-memory.dmp

Filesize
56KB

Download
memory/2368-26-0x0000000020010000-0x000000002001E000-memory.dmp

Filesize
56KB

Download
memory/2368-48-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2368-24-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2368-25-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download