ramnit | 3f0ebcab5ca98aa4f435c6a844545dca7a41d53fe17622bdf3d339541eb5f899

Analysis

max time kernel
110s
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
07/11/2024, 13:59

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
3f0ebcab5ca98aa4f435c6a844545dca7a41d53fe17622bdf3d339541eb5f899N.exe
Size 1.1MB
Sample241107-rat35aspds
SHA256 3f0ebcab5ca98aa4f435c6a844545dca7a41d53fe17622bdf3d339541eb5f899
MD5 e613a2f9b73433ef5fc022c324204a00
SHA1 d201e6544873cd20d0fdb40370c930b8cedb7328
SHA512 683d5315482b48896d77d413f7fda280065ec58df9e19466799ea4627a3ca62f179c84d10472688379077ca05624bba02136d1edd6078b95bcf686b11aff565c
SSDEEP 24576:+rWFD9CN8EQ29kG818PWDpvEgOe4LmQLdxdJl1pZyWR6Ij6nPZv1mHMDTV58:+R8pio8cpvE04LmQBxjPPoE6nPZvYsV5
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
872	3f0ebcab5ca98aa4f435c6a844545dca7a41d53fe17622bdf3d339541eb5f899NSrv.exe
3312	DesktopLayer.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3732-0-0x0000000000400000-0x0000000000784000-memory.dmp	upx
behavioral2/files/0x000e000000023b83-9.dat	upx
behavioral2/memory/3312-10-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/872-5-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3312-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3312-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3732-16-0x0000000000400000-0x0000000000784000-memory.dmp	upx
behavioral2/memory/3732-25-0x0000000000400000-0x0000000000784000-memory.dmp	upx
behavioral2/memory/3732-27-0x0000000000400000-0x0000000000784000-memory.dmp	upx
behavioral2/memory/3732-28-0x0000000000400000-0x0000000000784000-memory.dmp	upx
behavioral2/memory/3732-29-0x0000000000400000-0x0000000000784000-memory.dmp	upx
behavioral2/memory/3732-37-0x0000000000400000-0x0000000000784000-memory.dmp	upx
behavioral2/memory/3732-40-0x0000000000400000-0x0000000000784000-memory.dmp	upx
behavioral2/memory/3732-41-0x0000000000400000-0x0000000000784000-memory.dmp	upx
behavioral2/memory/3732-42-0x0000000000400000-0x0000000000784000-memory.dmp	upx
behavioral2/memory/3732-53-0x0000000000400000-0x0000000000784000-memory.dmp	upx
behavioral2/memory/3732-54-0x0000000000400000-0x0000000000784000-memory.dmp	upx
behavioral2/memory/3732-55-0x0000000000400000-0x0000000000784000-memory.dmp	upx
behavioral2/memory/3732-56-0x0000000000400000-0x0000000000784000-memory.dmp	upx
behavioral2/memory/3732-57-0x0000000000400000-0x0000000000784000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px9C5F.tmp	3f0ebcab5ca98aa4f435c6a844545dca7a41d53fe17622bdf3d339541eb5f899NSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	3f0ebcab5ca98aa4f435c6a844545dca7a41d53fe17622bdf3d339541eb5f899NSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	3f0ebcab5ca98aa4f435c6a844545dca7a41d53fe17622bdf3d339541eb5f899NSrv.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	3f0ebcab5ca98aa4f435c6a844545dca7a41d53fe17622bdf3d339541eb5f899NSrv.exe
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	3f0ebcab5ca98aa4f435c6a844545dca7a41d53fe17622bdf3d339541eb5f899N.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1667447221"	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\LastCheckForUpdateLowDateTime = "1671196956"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31142173"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1667447221"	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 (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31142173"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "437752966"	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\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	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	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
Set value (data)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	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\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\GPU	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
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 (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31142173"	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\Recovery\AdminActive\{8EF74AA0-9D10-11EF-91C3-622000771059} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3312	DesktopLayer.exe
3312	DesktopLayer.exe
3312	DesktopLayer.exe
3312	DesktopLayer.exe
3312	DesktopLayer.exe
3312	DesktopLayer.exe
3312	DesktopLayer.exe
3312	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3732	3f0ebcab5ca98aa4f435c6a844545dca7a41d53fe17622bdf3d339541eb5f899N.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
516	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
516	iexplore.exe
516	iexplore.exe
4876	IEXPLORE.EXE
4876	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3732 wrote to memory of 872	3732	3f0ebcab5ca98aa4f435c6a844545dca7a41d53fe17622bdf3d339541eb5f899N.exe	83
PID 3732 wrote to memory of 872	3732	3f0ebcab5ca98aa4f435c6a844545dca7a41d53fe17622bdf3d339541eb5f899N.exe	83
PID 3732 wrote to memory of 872	3732	3f0ebcab5ca98aa4f435c6a844545dca7a41d53fe17622bdf3d339541eb5f899N.exe	83
PID 872 wrote to memory of 3312	872	3f0ebcab5ca98aa4f435c6a844545dca7a41d53fe17622bdf3d339541eb5f899NSrv.exe	84
PID 872 wrote to memory of 3312	872	3f0ebcab5ca98aa4f435c6a844545dca7a41d53fe17622bdf3d339541eb5f899NSrv.exe	84
PID 872 wrote to memory of 3312	872	3f0ebcab5ca98aa4f435c6a844545dca7a41d53fe17622bdf3d339541eb5f899NSrv.exe	84
PID 3312 wrote to memory of 516	3312	DesktopLayer.exe	85
PID 3312 wrote to memory of 516	3312	DesktopLayer.exe	85
PID 516 wrote to memory of 4876	516	iexplore.exe	86
PID 516 wrote to memory of 4876	516	iexplore.exe	86
PID 516 wrote to memory of 4876	516	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\3f0ebcab5ca98aa4f435c6a844545dca7a41d53fe17622bdf3d339541eb5f899N.exe
"C:\Users\Admin\AppData\Local\Temp\3f0ebcab5ca98aa4f435c6a844545dca7a41d53fe17622bdf3d339541eb5f899N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3732
- C:\Users\Admin\AppData\Local\Temp\3f0ebcab5ca98aa4f435c6a844545dca7a41d53fe17622bdf3d339541eb5f899NSrv.exe
  C:\Users\Admin\AppData\Local\Temp\3f0ebcab5ca98aa4f435c6a844545dca7a41d53fe17622bdf3d339541eb5f899NSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:872
- - 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:3312
  - - 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:516
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:516 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

DesktopLayer.exe

Path C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Size 55KB
SHA256 fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
MD5 ff5e1f27193ce51eec318714ef038bef
SHA1 b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA512 c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
SSDEEP 1536:Q+hzRsibKplyXTq8OGRnsPFG+RODTb7MXL5uXZnzE:bROzoTq0+RO7IwnY
MD5 SHA1 SHA512 SSDEEP

Submit Download

7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 471B
SHA256 f4a1f2b28c9eeac4af29803c6803961aab329ca1753a70ad157618c299b7ea48
MD5 526c40c41732e5b3d962f781fbbae134
SHA1 baa42198e292fdb90b0e2b290da206b650ae8bd5
SHA512 d2a161bdedc2354dea4ffc62d62d0a6625c2ff93d2254cf038badeb0c2f9da5b5afaa5be0e647c8342d2b0976018f3570ee0aeb0a7f158d4562fa9c9024a07c0
MD5 SHA1 SHA512

Submit Download

7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 404B
SHA256 ed91ce5f33d0324a300a3561e6583217f2c4a8cc8f748feebb5de82f359e5afd
MD5 812a70066195bd0da26774e9ca131c6b
SHA1 dca288b9d35e69ad65c0a39f69159ca7f9e6e648
SHA512 ca67ce2f389cca9e3074f34fc48539abd7c1599b456585f50973beeadaeccddf4fb0056d0dbee0b246e36b50d74c5c614ba5bc1d1834ff07fa3189598023a243
MD5 SHA1 SHA512

Submit Download

suggestions[1].en-US

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\suggestions[1].en-US
Size 17KB
SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
MD5 5a34cb996293fde2cb7a4ac89587393a
SHA1 3c96c993500690d1a77873cd62bc639b3a10653f
SHA512 e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
SSDEEP 384:K4gN8sGygaEKfWYSJUKbO7UckxtBjCdY7mO3D0C5l+piEieDSV126ry1/XSGKwG3:K4gNFXiKfWfJ1Kockxbd7mAt5Mp5ie2F
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/872-5-0x0000000000400000-0x000000000042E000-memory.dmp

Download

memory/3312-15-0x0000000000400000-0x000000000042E000-memory.dmp

Download

memory/3312-10-0x0000000000400000-0x000000000042E000-memory.dmp

Download

memory/3312-12-0x0000000001F10000-0x0000000001F11000-memory.dmp

Download

memory/3312-13-0x0000000000400000-0x000000000042E000-memory.dmp

Download

memory/3732-40-0x0000000000400000-0x0000000000784000-memory.dmp

Download

memory/3732-53-0x0000000000400000-0x0000000000784000-memory.dmp

Download

memory/3732-29-0x0000000000400000-0x0000000000784000-memory.dmp

Download

memory/3732-37-0x0000000000400000-0x0000000000784000-memory.dmp

Download

memory/3732-25-0x0000000000400000-0x0000000000784000-memory.dmp

Download

memory/3732-16-0x0000000000400000-0x0000000000784000-memory.dmp

Download

memory/3732-28-0x0000000000400000-0x0000000000784000-memory.dmp

Download

memory/3732-42-0x0000000000400000-0x0000000000784000-memory.dmp

Download

memory/3732-27-0x0000000000400000-0x0000000000784000-memory.dmp

Download

memory/3732-0-0x0000000000400000-0x0000000000784000-memory.dmp

Download

memory/3732-41-0x0000000000400000-0x0000000000784000-memory.dmp

Download

memory/3732-54-0x0000000000400000-0x0000000000784000-memory.dmp

Download

memory/3732-55-0x0000000000400000-0x0000000000784000-memory.dmp

Download

memory/3732-56-0x0000000000400000-0x0000000000784000-memory.dmp

Download

memory/3732-57-0x0000000000400000-0x0000000000784000-memory.dmp

Download