ramnit | 0ef82d9f481f03f6695aeb60442b1793a30db4d7bc03110cd674d24246464f50

Analysis

max time kernel
93s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-11-2024 11:28

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General

Target

2024-11-15_5865f46ebcb92267aea0c40edd13c402_icedid_ramnit_silence.exe
Size

2.1MB
MD5

5865f46ebcb92267aea0c40edd13c402
SHA1

3147d4a5fc3693fdaae61fd80158a6ce567e7537
SHA256

0ef82d9f481f03f6695aeb60442b1793a30db4d7bc03110cd674d24246464f50
SHA512

bee492139306788bcdd232c5da47868ac762646d661a97044a116fbfd2edca155af2c1e695a0502759c7730b3ce177de9c88fc504e2f3878d3f4c9b94d4ffa72
SSDEEP

49152:ipp5LM0nEKNapEJBk9Xe23eWyg4+5M7XHq18pqXuA600xuRA/T:iX5LM0nEKspEJme23elb+W7Xg8pqXs0k

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
4268	2024-11-15_5865f46ebcb92267aea0c40edd13c402_icedid_ramnit_silenceSrv.exe
3528	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4268-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000b000000023b80-3.dat	upx
behavioral2/memory/4268-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3528-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3528-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px5A55.tmp	2024-11-15_5865f46ebcb92267aea0c40edd13c402_icedid_ramnit_silenceSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2024-11-15_5865f46ebcb92267aea0c40edd13c402_icedid_ramnit_silenceSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2024-11-15_5865f46ebcb92267aea0c40edd13c402_icedid_ramnit_silenceSrv.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	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-15_5865f46ebcb92267aea0c40edd13c402_icedid_ramnit_silence.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-15_5865f46ebcb92267aea0c40edd13c402_icedid_ramnit_silenceSrv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2681643065"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "438435107"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2678049281"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31143761"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31143761"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31143761"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2678049281"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2681643065"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31143761"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{CAD47D8A-A344-11EF-AF2A-DA61A5E71E4E} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3528	DesktopLayer.exe
3528	DesktopLayer.exe
3528	DesktopLayer.exe
3528	DesktopLayer.exe
3528	DesktopLayer.exe
3528	DesktopLayer.exe
3528	DesktopLayer.exe
3528	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3236	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
692	2024-11-15_5865f46ebcb92267aea0c40edd13c402_icedid_ramnit_silence.exe
3236	iexplore.exe
3236	iexplore.exe
3376	IEXPLORE.EXE
3376	IEXPLORE.EXE
3376	IEXPLORE.EXE
3376	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 692 wrote to memory of 4268	692	2024-11-15_5865f46ebcb92267aea0c40edd13c402_icedid_ramnit_silence.exe	84
PID 692 wrote to memory of 4268	692	2024-11-15_5865f46ebcb92267aea0c40edd13c402_icedid_ramnit_silence.exe	84
PID 692 wrote to memory of 4268	692	2024-11-15_5865f46ebcb92267aea0c40edd13c402_icedid_ramnit_silence.exe	84
PID 4268 wrote to memory of 3528	4268	2024-11-15_5865f46ebcb92267aea0c40edd13c402_icedid_ramnit_silenceSrv.exe	85
PID 4268 wrote to memory of 3528	4268	2024-11-15_5865f46ebcb92267aea0c40edd13c402_icedid_ramnit_silenceSrv.exe	85
PID 4268 wrote to memory of 3528	4268	2024-11-15_5865f46ebcb92267aea0c40edd13c402_icedid_ramnit_silenceSrv.exe	85
PID 3528 wrote to memory of 3236	3528	DesktopLayer.exe	86
PID 3528 wrote to memory of 3236	3528	DesktopLayer.exe	86
PID 3236 wrote to memory of 3376	3236	iexplore.exe	87
PID 3236 wrote to memory of 3376	3236	iexplore.exe	87
PID 3236 wrote to memory of 3376	3236	iexplore.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-11-15_5865f46ebcb92267aea0c40edd13c402_icedid_ramnit_silence.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-15_5865f46ebcb92267aea0c40edd13c402_icedid_ramnit_silence.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:692
- C:\Users\Admin\AppData\Local\Temp\2024-11-15_5865f46ebcb92267aea0c40edd13c402_icedid_ramnit_silenceSrv.exe
  C:\Users\Admin\AppData\Local\Temp\2024-11-15_5865f46ebcb92267aea0c40edd13c402_icedid_ramnit_silenceSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4268
- - 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:3528
  - - 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:3236
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3236 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3376

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
4716dbab6f2ab2afcbaf76db5f0b38c9

SHA1
9ff921c8611055814c46c2f6040cc4212879907b

SHA256
14e6269329dc675b9c53db477169c352464cdcbf50d9653a22620720fcfd6573

SHA512
3ceb67375c9023369d37b78cc52157c6c3c540b3aef9dc470ccd562b9046a3883fc27a7f193550230987927db461d7e7b0a8cddfec12f45817268499bb78d02d

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

Filesize
404B

MD5
29c75d1de34fd1baafd62109f453ccf8

SHA1
b310b7f4557cb08bb33e38305894831ab8864f86

SHA256
dc40e2dc6ae6c9909a9d70b18fe8c7673afdec21f62d659459cf2f3a83d692e3

SHA512
5e9ccf88c14cbec931081d98ae1f302da82be44511da89488c95ec4803546c407330aac5a5b0f2f62d0e45b94f6cea1d47bba264e4307d52a4652a40a500d6b7

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verD513.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\2024-11-15_5865f46ebcb92267aea0c40edd13c402_icedid_ramnit_silenceSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/692-17-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/692-0-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/692-18-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/3528-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3528-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3528-12-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/4268-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4268-6-0x00000000005C0000-0x00000000005CF000-memory.dmp

Filesize
60KB

Download
memory/4268-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

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