ramnit | 880ca5c68e7e53ab8da26c53c0678a2d8ca009338037e8ab46daf886aacc14d1

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
12/06/2024, 19:56

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General

Target
a2131d769e473bf2513974aa07c663fd_JaffaCakes118.html
Size 122KB
Sample240612-ynvedaxhnd
SHA256 c5640afc6f87d0cdba4856a2deea7189411033b226aebafefe6512b3cc894704
MD5 a2131d769e473bf2513974aa07c663fd
SHA1 cbbd055b97b2a69edc9b5e8ef44ce0334c04efa5
SHA512 d956dfb866bf2a93f9f056557ccebc9c24356d28536dfd139e7f7fcdfd36e5094905a189562a5964924fe8509aff94545138d271a092cee6d438ae9c5f2da3dd
SSDEEP 1536:SKvunnF7yLi+rffMxqNisaQx4V5roEIfGJZN8qbV76EX1UP09weXA3oJrusBTOy+:SKvunntyfkMY+BES09JXAnyrZalI+YQ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

ramnit banker 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

Executes dropped EXE 2 IoCs

pid	Process
2616	svchost.exe
2756	DesktopLayer.exe

Loads dropped DLL 2 IoCs

pid	Process
2244	IEXPLORE.EXE
2616	svchost.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0006000000016c3a-2.dat	upx
behavioral1/memory/2616-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2756-17-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2756-19-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px168D.tmp	svchost.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	svchost.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	svchost.exe

Modifies Internet Explorer settings 1 TTPs 38 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{D8EB2391-28F5-11EF-B781-461900256DFE} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "424384074"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 20c3b4ad02bdda01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d7c7e73b934388418857a0db8be9c1d10000000002000000000010660000000100002000000014ad48c234e1b383ab6488f71edfc134962fb2ff45bdae2cf407764d818b11ef000000000e800000000200002000000016f720a9841b5d64c668343a897fea689be45afc4e5eb4d25123eb245e8930c4200000004b5af7d236c75890c6006e0548f47429f19973ab9842b4e5adda5879913015634000000034413b6dac253f203b85893edb2983457e8d76fca7e75b61a3b8d8015116abd67c23e28429aa6c6fc548fca97cdc0e2e9b27ee0f6d1ff396846fe212ed3b2e54	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2756	DesktopLayer.exe
2756	DesktopLayer.exe
2756	DesktopLayer.exe
2756	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3020	iexplore.exe
3020	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
3020	iexplore.exe
3020	iexplore.exe
2244	IEXPLORE.EXE
2244	IEXPLORE.EXE
3020	iexplore.exe
3020	iexplore.exe
2516	IEXPLORE.EXE
2516	IEXPLORE.EXE
2516	IEXPLORE.EXE
2516	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2244	3020	iexplore.exe	28
PID 3020 wrote to memory of 2244	3020	iexplore.exe	28
PID 3020 wrote to memory of 2244	3020	iexplore.exe	28
PID 3020 wrote to memory of 2244	3020	iexplore.exe	28
PID 2244 wrote to memory of 2616	2244	IEXPLORE.EXE	29
PID 2244 wrote to memory of 2616	2244	IEXPLORE.EXE	29
PID 2244 wrote to memory of 2616	2244	IEXPLORE.EXE	29
PID 2244 wrote to memory of 2616	2244	IEXPLORE.EXE	29
PID 2616 wrote to memory of 2756	2616	svchost.exe	30
PID 2616 wrote to memory of 2756	2616	svchost.exe	30
PID 2616 wrote to memory of 2756	2616	svchost.exe	30
PID 2616 wrote to memory of 2756	2616	svchost.exe	30
PID 2756 wrote to memory of 2792	2756	DesktopLayer.exe	31
PID 2756 wrote to memory of 2792	2756	DesktopLayer.exe	31
PID 2756 wrote to memory of 2792	2756	DesktopLayer.exe	31
PID 2756 wrote to memory of 2792	2756	DesktopLayer.exe	31
PID 3020 wrote to memory of 2516	3020	iexplore.exe	32
PID 3020 wrote to memory of 2516	3020	iexplore.exe	32
PID 3020 wrote to memory of 2516	3020	iexplore.exe	32
PID 3020 wrote to memory of 2516	3020	iexplore.exe	32

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\a2131d769e473bf2513974aa07c663fd_JaffaCakes118.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3020 CREDAT:275457 /prefetch:2
  2⤵
  - Loads dropped DLL
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2244
- - C:\Users\Admin\AppData\Local\Temp\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - Suspicious use of WriteProcessMemory
    PID:2616
  - - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
      "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2756
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        
        PID:2792
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3020 CREDAT:537605 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

svchost.exe

Path \Users\Admin\AppData\Local\Temp\svchost.exe
Size 55KB
SHA256 fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
MD5 ff5e1f27193ce51eec318714ef038bef
SHA1 b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA512 c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
SSDEEP 1536:Q+hzRsibKplyXTq8OGRnsPFG+RODTb7MXL5uXZnzE:bROzoTq0+RO7IwnY
MD5 SHA1 SHA512 SSDEEP

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memory/2616-7-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/2616-8-0x00000000003D0000-0x00000000003DF000-memory.dmp

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memory/2616-16-0x00000000005C0000-0x00000000005EE000-memory.dmp

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memory/2756-18-0x0000000000240000-0x0000000000241000-memory.dmp

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memory/2756-17-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/2756-19-0x0000000000400000-0x000000000042E000-memory.dmp

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