ramnit | 586317df8844d39323f92c8bc5d877628362309960459028a57d513e37ed1da7

General

Target

2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silence.exe
Size

2.1MB
MD5

79093bebbb99bd56e6cb97c066dcfd74
SHA1

201d492fd6d3f0aeed73defdfb03a996e9fde8c5
SHA256

586317df8844d39323f92c8bc5d877628362309960459028a57d513e37ed1da7
SHA512

f8431bd488871fa620d443f4f3f0cfb34f0e5e79d0c3a4d4636bb92f3dd6aa1f4915758957943f8c8ac7e513ea0f0b223c4568e45bdf5c1dc68c0d740ee5f0da
SSDEEP

49152:ipp5LM0nEKNapEJBk9Xe23eWyg4+5M7XHq18pqXuA600xuRAKU:iX5LM0nEKspEJme23elb+W7Xg8pqXs0X

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

Processes:

2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silenceSrv.exeDesktopLayer.exe

pid process

4624 2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silenceSrv.exe
4536 DesktopLayer.exe

pid	process
4624	2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silenceSrv.exe
4536	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silenceSrv.exe	upx
behavioral2/memory/4624-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4624-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4536-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4536-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4624-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

Processes:

2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silenceSrv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px7F71.tmp	2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silenceSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silenceSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_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

Processes:

DesktopLayer.exeIEXPLORE.EXE2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silence.exe2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silenceSrv.exe

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	2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silence.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silenceSrv.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{E1C69168-A963-11EF-91C3-FA89EA07D49F} = "0"	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\LastUpdateHighDateTime = "31145328"	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\VersionManager	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\LastTTLHighDateTime = "50"	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\Recovery\AdminActive	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\LastCheckForUpdateHighDateTime = "31145328"	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
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\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31145328"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	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\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\DomainSuggestion\FileNames	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
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\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "439108167"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3056294284"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3056294284"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3060981848"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
4536	DesktopLayer.exe
4536	DesktopLayer.exe
4536	DesktopLayer.exe
4536	DesktopLayer.exe
4536	DesktopLayer.exe
4536	DesktopLayer.exe
4536	DesktopLayer.exe
4536	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

4332 iexplore.exe

pid	process
4332	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silence.exeiexplore.exeIEXPLORE.EXE

pid	process
3652	2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silence.exe
4332	iexplore.exe
4332	iexplore.exe
3020	IEXPLORE.EXE
3020	IEXPLORE.EXE
3020	IEXPLORE.EXE
3020	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silence.exe2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silenceSrv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 3652 wrote to memory of 4624	3652	2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silence.exe	2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silenceSrv.exe
PID 3652 wrote to memory of 4624	3652	2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silence.exe	2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silenceSrv.exe
PID 3652 wrote to memory of 4624	3652	2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silence.exe	2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silenceSrv.exe
PID 4624 wrote to memory of 4536	4624	2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silenceSrv.exe	DesktopLayer.exe
PID 4624 wrote to memory of 4536	4624	2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silenceSrv.exe	DesktopLayer.exe
PID 4624 wrote to memory of 4536	4624	2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silenceSrv.exe	DesktopLayer.exe
PID 4536 wrote to memory of 4332	4536	DesktopLayer.exe	iexplore.exe
PID 4536 wrote to memory of 4332	4536	DesktopLayer.exe	iexplore.exe
PID 4332 wrote to memory of 3020	4332	iexplore.exe	IEXPLORE.EXE
PID 4332 wrote to memory of 3020	4332	iexplore.exe	IEXPLORE.EXE
PID 4332 wrote to memory of 3020	4332	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silence.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silence.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3652
- C:\Users\Admin\AppData\Local\Temp\2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silenceSrv.exe
  C:\Users\Admin\AppData\Local\Temp\2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_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:4624
- - 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:4536
  - - 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:4332
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4332 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
471B

MD5
a5d59031144ac6ab3dbf6358566aa618

SHA1
f6fb4567bbfd07f0df27083b36a179e00c263c5d

SHA256
039ec47b1e431e2555dc8da6bff06a3c78b242c01c9553286128c0f94d4c55ff

SHA512
a3049b32be6a7e8a4b1522d32df205e6433fa81fd540893ca917eb6ca33f51f79ec5571f144727bf145f00a457b4705942f0c55c85ddad96a227465345fc866f

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

Filesize
404B

MD5
4cc1bf35cc10ee099d0540ccfd6f3942

SHA1
ee285494b589bab3e72f01e9e1c0c40410585bab

SHA256
527e49a31310fc3a6df02792fbbee246f610ff8ca08b7adfac429af319e4209d

SHA512
2f64b4b3df703d324982c9d80b90073d2b2792b200d611837f32e252e57ce7e323cbdbf89934dc08fb1f6acbb021db0f7585eea88c9810ced6be9297903b8c46

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\2024-11-23_79093bebbb99bd56e6cb97c066dcfd74_icedid_ramnit_silenceSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/3652-18-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/3652-19-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/3652-0-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/4536-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4536-12-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/4536-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4624-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4624-5-0x0000000000480000-0x000000000048F000-memory.dmp

Filesize
60KB

Download
memory/4624-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4624-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads