ramnit | cbae34de0fecb3420eb88ca7a9ce2ae3ce642b19c6b36c5492a252fdaa07eb84

Analysis

max time kernel
93s
max time network
112s
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 19:50

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General

Target

cbae34de0fecb3420eb88ca7a9ce2ae3ce642b19c6b36c5492a252fdaa07eb84N.dll
Size

513KB
MD5

04a664059340f543c385a4de602c3960
SHA1

3975fc2d61963d79d01b4f4371ac193220d272c5
SHA256

cbae34de0fecb3420eb88ca7a9ce2ae3ce642b19c6b36c5492a252fdaa07eb84
SHA512

027e23881fb2b7270ce60b369f7399176ce96a2a33f0396fd2b5e2a229d4ebb95b0f46343b07cb56986ef115d4ec97c9c3a52dc8757dfd26dec8dd42c7a166c0
SSDEEP

6144:JcpVgme/jCaRnuFuwGDh9v7D87ICjC0YUaneD:iVgmertRuzonhCjC0Z

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
4664	regsvr32Srv.exe
1068	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/files/0x0033000000023b88-3.dat	upx
behavioral2/memory/4664-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4664-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1068-11-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1068-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1068-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1068-17-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px7A8F.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	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32Srv.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2511602243"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31154694"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2514727396"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2511602243"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{C14CD8F1-CDF9-11EF-9361-5227CD58F2D9} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31154694"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31154694"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443130779"	iexplore.exe

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{577f9006-7131-11d4-8460-525400eb897b}\ProgID	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{577f9006-7131-11d4-8460-525400eb897b}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cbae34de0fecb3420eb88ca7a9ce2ae3ce642b19c6b36c5492a252fdaa07eb84N.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{577f9006-7131-11d4-8460-525400eb897b}\ProgID\ = "SwiffPoint.addin"	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{577f9006-7131-11d4-8460-525400eb897b}\ = "Swiff for Office Add-in"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{577f9006-7131-11d4-8460-525400eb897b}\InprocServer32	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1068	DesktopLayer.exe
1068	DesktopLayer.exe
1068	DesktopLayer.exe
1068	DesktopLayer.exe
1068	DesktopLayer.exe
1068	DesktopLayer.exe
1068	DesktopLayer.exe
1068	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
60	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
60	iexplore.exe
60	iexplore.exe
2748	IEXPLORE.EXE
2748	IEXPLORE.EXE
2748	IEXPLORE.EXE
2748	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3888 wrote to memory of 3592	3888	regsvr32.exe	82
PID 3888 wrote to memory of 3592	3888	regsvr32.exe	82
PID 3888 wrote to memory of 3592	3888	regsvr32.exe	82
PID 3592 wrote to memory of 4664	3592	regsvr32.exe	83
PID 3592 wrote to memory of 4664	3592	regsvr32.exe	83
PID 3592 wrote to memory of 4664	3592	regsvr32.exe	83
PID 4664 wrote to memory of 1068	4664	regsvr32Srv.exe	84
PID 4664 wrote to memory of 1068	4664	regsvr32Srv.exe	84
PID 4664 wrote to memory of 1068	4664	regsvr32Srv.exe	84
PID 1068 wrote to memory of 60	1068	DesktopLayer.exe	85
PID 1068 wrote to memory of 60	1068	DesktopLayer.exe	85
PID 60 wrote to memory of 2748	60	iexplore.exe	86
PID 60 wrote to memory of 2748	60	iexplore.exe	86
PID 60 wrote to memory of 2748	60	iexplore.exe	86

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\cbae34de0fecb3420eb88ca7a9ce2ae3ce642b19c6b36c5492a252fdaa07eb84N.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3888
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\cbae34de0fecb3420eb88ca7a9ce2ae3ce642b19c6b36c5492a252fdaa07eb84N.dll
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3592
- - 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:4664
  - - 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:1068
    - - 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:60
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:60 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2748

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
9ff670ce735bcb3f1852fb17230eb4d1

SHA1
343b84e90eba5ba52ffde84efffc722d9aaef34c

SHA256
d5171888f2cf311802c4e02bcc7be88f684075e84d0665f44b823e6b6a5ead5f

SHA512
73e4531ae7a0273390be09ea835d4970b4e5053988f9bf48e55afabcf184aae29d267f31d43250c1d5baa721a23c51a0dd1c46d4acf3a747abc575b6f23bc120

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

Filesize
404B

MD5
2fcb3311191cbbfadc1e90174dcf5985

SHA1
d1b2ba2a333a016c670e6759823d9984e4cafda5

SHA256
bfab25e51d92dccc8ef6808d35d2642784247d94418595dbd09f8e3f2b35cb62

SHA512
8542e5982e8ecdc0a46c1b5067ecbcc05836be57619a04144522c684db41d1fb4bf97ef1eb82dd97f010aef87194f9e01002587208c5d400e3c6f305f3675d43

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BHOTC3C\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/1068-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1068-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1068-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1068-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1068-16-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/3592-1-0x0000000010000000-0x0000000010087000-memory.dmp

Filesize
540KB

Download
memory/4664-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4664-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4664-5-0x0000000000550000-0x000000000055F000-memory.dmp

Filesize
60KB

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