ramnit | 6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055

Analysis

max time kernel
93s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10/12/2024, 09:23

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General

Target

6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055.exe
Size

1.4MB
MD5

6706a3d1fb79cc02ef9817c0f77331cd
SHA1

36cab5ee9e17753b9e8f301032ffeb5b971e3a59
SHA256

6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055
SHA512

a20400372de0e8683a7dcc17dfd1a27d0c54c822bc3debe2a4b1f8db1c1114c20a0554966e62611c1f4b8f62a0a099a4a08f0ec3267d426fffce68d863657e35
SSDEEP

24576:EpU3n5+rG/LzOaLahrD8hcrHhjN/NnMTkKPZ6WSocKEsO:8UXMuXOhrgh+HnoZ6WJct9

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
1340	6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055Srv.exe
2712	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000a000000023bf9-3.dat	upx
behavioral2/memory/1340-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1340-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2712-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2712-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2712-12-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxB2B6.tmp	6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055Srv.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	6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055Srv.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 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31148773"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31148773"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1083988371"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1087113403"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "440587586"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1083988371"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{6C35313C-B6D8-11EF-91C3-EE81E66BE9E9} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31148773"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2712	DesktopLayer.exe
2712	DesktopLayer.exe
2712	DesktopLayer.exe
2712	DesktopLayer.exe
2712	DesktopLayer.exe
2712	DesktopLayer.exe
2712	DesktopLayer.exe
2712	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
184	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
5020	6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055.exe
5020	6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055.exe
184	iexplore.exe
184	iexplore.exe
2136	IEXPLORE.EXE
2136	IEXPLORE.EXE
2136	IEXPLORE.EXE
2136	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5020 wrote to memory of 1340	5020	6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055.exe	83
PID 5020 wrote to memory of 1340	5020	6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055.exe	83
PID 5020 wrote to memory of 1340	5020	6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055.exe	83
PID 1340 wrote to memory of 2712	1340	6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055Srv.exe	84
PID 1340 wrote to memory of 2712	1340	6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055Srv.exe	84
PID 1340 wrote to memory of 2712	1340	6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055Srv.exe	84
PID 2712 wrote to memory of 184	2712	DesktopLayer.exe	85
PID 2712 wrote to memory of 184	2712	DesktopLayer.exe	85
PID 184 wrote to memory of 2136	184	iexplore.exe	86
PID 184 wrote to memory of 2136	184	iexplore.exe	86
PID 184 wrote to memory of 2136	184	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055.exe
"C:\Users\Admin\AppData\Local\Temp\6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5020
- C:\Users\Admin\AppData\Local\Temp\6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055Srv.exe
  C:\Users\Admin\AppData\Local\Temp\6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1340
- - 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:2712
  - - 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:184
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:184 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2136

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
2d1847b341a938389fc5b14b0bcd9eb2

SHA1
4036e71c4002e7ee173d59dc84a9cb5aa1390d34

SHA256
275c7427c6238d335e521a313e6cff2357b16e645202f11e3433cd56539ccc32

SHA512
384e910821ee8b786f70b5358f120cb3aea47f0e50d1f5c6e4c7304435c7d88f2c5ac9027c73823916149a369ac1c7640c18b13db8e6ee740c963e1b8bd51428

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
a58e50c13b9a278f7bee0e86a3c33297

SHA1
cc2a5976e14f19bf7f135d0323485fe8b2e02aa3

SHA256
cb3dfe705d30b0f5ea4c4f46fb82af5a2300c1d261db23ffebd56fe31054c656

SHA512
c4c611c4d4c02a2a31d4baa9cfdafdd59766c3cff4987b089d1a5552e313a50e5a54b2d302950a35504307d0dd4c3c91f150fd10b0ff70c8692a8245f19274e7

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1340-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1340-6-0x0000000002040000-0x000000000204F000-memory.dmp

Filesize
60KB

Download
memory/1340-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2712-14-0x0000000000530000-0x0000000000531000-memory.dmp

Filesize
4KB

Download
memory/2712-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2712-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2712-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5020-18-0x0000000000400000-0x000000000056D000-memory.dmp

Filesize
1.4MB

Download
memory/5020-0-0x0000000000400000-0x000000000056D000-memory.dmp

Filesize
1.4MB

Download