ramnit | 7b3ff12495fbad2c68d049ef01d514fadaaf37a942ce773f352b19b6241b2eee

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
13/06/2024, 15:11

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General

Target

a631003ca018ba9fbe82cb840f08998b_JaffaCakes118.html
Size

156KB
MD5

a631003ca018ba9fbe82cb840f08998b
SHA1

e696e7ee3f2bbd5ea0321da5dbb2abdfc7d4a444
SHA256

7b3ff12495fbad2c68d049ef01d514fadaaf37a942ce773f352b19b6241b2eee
SHA512

509fcd242de4f99bcdc05a9f615a14cdbbdcda5e45d6a4a8e0739a164574a047f361063fbab8bb80c503452c8e103e53db96bf991baf8271e5d51e9dac57ce29
SSDEEP

1536:iFnRTMH5CCX5UNjkyLi+rffMxqNisaQx4V5roEIfGJZN8qbV76EX1UP09weXA3om:iFJga1kyfkMY+BES09JXAnyrZalI+YQ

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
2564	svchost.exe
2552	DesktopLayer.exe

Loads dropped DLL 2 IoCs

pid	Process
1664	IEXPLORE.EXE
2564	svchost.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2564-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x0006000000015cdf-6.dat	upx
behavioral1/memory/2552-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px76E5.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
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "424453389"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{3BDDB9D1-2997-11EF-9BF1-5630532AF2EE} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 606e0b1fa4bdda01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000760f6fb6d7365248881a38bcea68cf8b00000000020000000000106600000001000020000000c0e6306d02a382be2e8ffde2534ebb01aa183b189a6cb2f82b81ea2b8c57a5f6000000000e80000000020000200000005857d7d46f4efd4b5d7f8487229000c3f2a022e2fa86528416849e5dec2e11e3200000006720053a4bd34186adb78652af8d318f94751a6df26b40894f0b4ba148dde61b400000007474bc01fb7abc950ca1ddf15983401ac9ca8bb87a4794e30cc567023c6cdf24785a0c0e7139a15eb066ff6c4ff0ed3b27b4c3ef1b9f2ba88cec0358b6e716f8	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2552	DesktopLayer.exe
2552	DesktopLayer.exe
2552	DesktopLayer.exe
2552	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2108	iexplore.exe
2108	iexplore.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2108	iexplore.exe
2108	iexplore.exe
1664	IEXPLORE.EXE
1664	IEXPLORE.EXE
1664	IEXPLORE.EXE
1664	IEXPLORE.EXE
2108	iexplore.exe
2108	iexplore.exe
2556	IEXPLORE.EXE
2556	IEXPLORE.EXE
2556	IEXPLORE.EXE
2556	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 1664	2108	iexplore.exe	29
PID 2108 wrote to memory of 1664	2108	iexplore.exe	29
PID 2108 wrote to memory of 1664	2108	iexplore.exe	29
PID 2108 wrote to memory of 1664	2108	iexplore.exe	29
PID 1664 wrote to memory of 2564	1664	IEXPLORE.EXE	31
PID 1664 wrote to memory of 2564	1664	IEXPLORE.EXE	31
PID 1664 wrote to memory of 2564	1664	IEXPLORE.EXE	31
PID 1664 wrote to memory of 2564	1664	IEXPLORE.EXE	31
PID 2564 wrote to memory of 2552	2564	svchost.exe	32
PID 2564 wrote to memory of 2552	2564	svchost.exe	32
PID 2564 wrote to memory of 2552	2564	svchost.exe	32
PID 2564 wrote to memory of 2552	2564	svchost.exe	32
PID 2552 wrote to memory of 3004	2552	DesktopLayer.exe	33
PID 2552 wrote to memory of 3004	2552	DesktopLayer.exe	33
PID 2552 wrote to memory of 3004	2552	DesktopLayer.exe	33
PID 2552 wrote to memory of 3004	2552	DesktopLayer.exe	33
PID 2108 wrote to memory of 2556	2108	iexplore.exe	34
PID 2108 wrote to memory of 2556	2108	iexplore.exe	34
PID 2108 wrote to memory of 2556	2108	iexplore.exe	34
PID 2108 wrote to memory of 2556	2108	iexplore.exe	34

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\a631003ca018ba9fbe82cb840f08998b_JaffaCakes118.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2108 CREDAT:275457 /prefetch:2
  2⤵
  - Loads dropped DLL
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1664
- - 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:2564
  - - 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:2552
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        
        PID:3004
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2108 CREDAT:275473 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2556

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

C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/2552-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2552-17-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2564-9-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/2564-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download