ramnit | 9f7f66f69ddf3a0dade6c64dfe7c06b56ba6da09b1e82ecc6b83c9db2d7d0627

Analysis

max time kernel
94s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 04:53

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General

Target

9f7f66f69ddf3a0dade6c64dfe7c06b56ba6da09b1e82ecc6b83c9db2d7d0627.dll
Size

513KB
MD5

da3025ac75d8442a7cf9437120c1e44b
SHA1

43fac7e63ecebcc37523e8d36985ab55dfec9121
SHA256

9f7f66f69ddf3a0dade6c64dfe7c06b56ba6da09b1e82ecc6b83c9db2d7d0627
SHA512

7d0bd7be837c5185e2f40f1c77d1e8e707c7ae738a15c4979aa5dd5e0dffa16d025d9c2ad6dca283472e7a8b85e3884bedc6f4e15c38d0337470d3c6f7fd7009
SSDEEP

6144:JcpVgme/jCaRnuFuwGDh9v7D87ICjC0YUaneDq:iVgmertRuzonhCjC0ZG

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
1156	regsvr32Srv.exe
3660	DesktopLayer.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\regsvr32Srv.exe	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1156-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000a000000023c0f-6.dat	upx
behavioral2/memory/3660-17-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3660-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3660-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3660-12-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1156-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxB92E.tmp	regsvr32Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	regsvr32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	regsvr32Srv.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	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32Srv.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
Set value (data)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31154569"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31154569"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\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-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31154569"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1295043701"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1292543782"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{789C54CE-CD7C-11EF-BEF1-7E3D785E6C2E} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1292699348"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443076970"	iexplore.exe

Modifies registry class 10 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{577f9006-7131-11d4-8460-525400eb897b}\ = "Swiff for Office Add-in"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{577f9006-7131-11d4-8460-525400eb897b}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9f7f66f69ddf3a0dade6c64dfe7c06b56ba6da09b1e82ecc6b83c9db2d7d0627.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{577f9006-7131-11d4-8460-525400eb897b}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SwiffPoint.addin	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SwiffPoint.addin\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{577f9006-7131-11d4-8460-525400eb897b}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{577f9006-7131-11d4-8460-525400eb897b}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{577f9006-7131-11d4-8460-525400eb897b}\ProgID\ = "SwiffPoint.addin"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SwiffPoint.addin\ = "Swiff for Office Add-in"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SwiffPoint.addin\CLSID\ = "{577f9006-7131-11d4-8460-525400eb897b}"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3660	DesktopLayer.exe
3660	DesktopLayer.exe
3660	DesktopLayer.exe
3660	DesktopLayer.exe
3660	DesktopLayer.exe
3660	DesktopLayer.exe
3660	DesktopLayer.exe
3660	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
976	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
976	iexplore.exe
976	iexplore.exe
4208	IEXPLORE.EXE
4208	IEXPLORE.EXE
4208	IEXPLORE.EXE
4208	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3876 wrote to memory of 1512	3876	regsvr32.exe	82
PID 3876 wrote to memory of 1512	3876	regsvr32.exe	82
PID 3876 wrote to memory of 1512	3876	regsvr32.exe	82
PID 1512 wrote to memory of 1156	1512	regsvr32.exe	83
PID 1512 wrote to memory of 1156	1512	regsvr32.exe	83
PID 1512 wrote to memory of 1156	1512	regsvr32.exe	83
PID 1156 wrote to memory of 3660	1156	regsvr32Srv.exe	84
PID 1156 wrote to memory of 3660	1156	regsvr32Srv.exe	84
PID 1156 wrote to memory of 3660	1156	regsvr32Srv.exe	84
PID 3660 wrote to memory of 976	3660	DesktopLayer.exe	85
PID 3660 wrote to memory of 976	3660	DesktopLayer.exe	85
PID 976 wrote to memory of 4208	976	iexplore.exe	86
PID 976 wrote to memory of 4208	976	iexplore.exe	86
PID 976 wrote to memory of 4208	976	iexplore.exe	86

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9f7f66f69ddf3a0dade6c64dfe7c06b56ba6da09b1e82ecc6b83c9db2d7d0627.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3876
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\9f7f66f69ddf3a0dade6c64dfe7c06b56ba6da09b1e82ecc6b83c9db2d7d0627.dll
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1512
- - C:\Windows\SysWOW64\regsvr32Srv.exe
    C:\Windows\SysWOW64\regsvr32Srv.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1156
  - - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
      "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:3660
    - - 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:976
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:976 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4208

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
d04487ea873e59ddefea38775dcec895

SHA1
f8e33f29c997bdfeefbb2e6429cbfd6431cdd71d

SHA256
985fa533b7805324c794c285f21264c5bdde1fd4025de0a3621308f50d91dba5

SHA512
1f99fefad95792abee1e0bbc7b4286c4202ef6152494f3da1cabf78dc57cd98bb639485846bf0c3fbed700e746f9da70e54894f5d77e6659c967444531a6664c

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

Filesize
404B

MD5
6d8a7b43b189a0bfc1a2dc13561e8e53

SHA1
40fa980d3030d9f3f1f59a8189644665b94d1467

SHA256
f75acdb4236f2627d3288eeb9881bdc25917b742a1a3950c785c6a53519bc585

SHA512
1458e463c6ac1b0dc5dfdc7fe3d0f32e3ad4f076eddcf8f866052db9e7e2fe604ca01eaa28142ec52bca1b61d5cd0d0e7d8ede6faa76e8b2f04538741e17b634

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\regsvr32Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1156-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1156-5-0x00000000006A0000-0x00000000006AF000-memory.dmp

Filesize
60KB

Download
memory/1156-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1512-0-0x0000000010000000-0x0000000010087000-memory.dmp

Filesize
540KB

Download
memory/3660-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3660-15-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/3660-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3660-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3660-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download