ramnit | ef1f395c1cd5c26d363ecc04a3b3b5b15501b4c1055bc9eb2abf55ce1e28c383

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
16-06-2024 20:22

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General

Target

b50767948cc4642b3c3e12ae89bb4867_JaffaCakes118.html
Size

119KB
MD5

b50767948cc4642b3c3e12ae89bb4867
SHA1

21415bac2d7686cfe2e4fc0353392bc1868beda6
SHA256

ef1f395c1cd5c26d363ecc04a3b3b5b15501b4c1055bc9eb2abf55ce1e28c383
SHA512

e81cd7f3e24f87c05b55103c235791b013137e8385df44fde64c2e016e2bd57c948e022fb6c94b6924367b511b079ec7d3d2c8fdbe14c2cd62773fdb380e16f4
SSDEEP

1536:S+yLi+rffMxqNisaQx4V5roEIfGJZN8qbV76EX1UP09weXA3oJrusBTOy9dGCsQr:S+yfkMY+BES09JXAnyrZalI+YN

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
2736	svchost.exe
2628	DesktopLayer.exe

Loads dropped DLL 2 IoCs

pid	Process
1700	IEXPLORE.EXE
2736	svchost.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0009000000014b19-2.dat	upx
behavioral1/memory/2736-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2628-18-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2628-20-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px19C8.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 (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000587104b0d2f7da409208cf3ae9e77a2300000000020000000000106600000001000020000000532f8a8a5d65a034da006b728c0ddc4d1e91f2b5e98b3bb129e6987d757e758c000000000e8000000002000020000000712dad17743ca289b3fa88c3926a4bff62db1219d4aa6a37ac72440af36b617e20000000d4b1fad4e4d7a5b910cfd8ab445bf3ef091f77166245d94900861e1b5f305fe24000000081e6d4e3676ebc859d74514ed79042e00dc858b1c8c3b26072bd910c5ee543c3035c279431302996926b7f2466af94cc202ddad85b2eafc8ec36bc1a61a093d0	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{2D5D1A21-2C1E-11EF-B27D-6A387CD8C53E} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 007d27022bc0da01	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "424731249"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2628	DesktopLayer.exe
2628	DesktopLayer.exe
2628	DesktopLayer.exe
2628	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1668	iexplore.exe
1668	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1668	iexplore.exe
1668	iexplore.exe
1700	IEXPLORE.EXE
1700	IEXPLORE.EXE
1668	iexplore.exe
1668	iexplore.exe
2828	IEXPLORE.EXE
2828	IEXPLORE.EXE
2828	IEXPLORE.EXE
2828	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 1700	1668	iexplore.exe	28
PID 1668 wrote to memory of 1700	1668	iexplore.exe	28
PID 1668 wrote to memory of 1700	1668	iexplore.exe	28
PID 1668 wrote to memory of 1700	1668	iexplore.exe	28
PID 1700 wrote to memory of 2736	1700	IEXPLORE.EXE	29
PID 1700 wrote to memory of 2736	1700	IEXPLORE.EXE	29
PID 1700 wrote to memory of 2736	1700	IEXPLORE.EXE	29
PID 1700 wrote to memory of 2736	1700	IEXPLORE.EXE	29
PID 2736 wrote to memory of 2628	2736	svchost.exe	30
PID 2736 wrote to memory of 2628	2736	svchost.exe	30
PID 2736 wrote to memory of 2628	2736	svchost.exe	30
PID 2736 wrote to memory of 2628	2736	svchost.exe	30
PID 2628 wrote to memory of 2744	2628	DesktopLayer.exe	31
PID 2628 wrote to memory of 2744	2628	DesktopLayer.exe	31
PID 2628 wrote to memory of 2744	2628	DesktopLayer.exe	31
PID 2628 wrote to memory of 2744	2628	DesktopLayer.exe	31
PID 1668 wrote to memory of 2828	1668	iexplore.exe	32
PID 1668 wrote to memory of 2828	1668	iexplore.exe	32
PID 1668 wrote to memory of 2828	1668	iexplore.exe	32
PID 1668 wrote to memory of 2828	1668	iexplore.exe	32

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\b50767948cc4642b3c3e12ae89bb4867_JaffaCakes118.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1668 CREDAT:275457 /prefetch:2
  2⤵
  - Loads dropped DLL
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1700
- - 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:2736
  - - 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:2628
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        
        PID:2744
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1668 CREDAT:537607 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2828

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

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

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/2628-17-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2628-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2628-20-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2736-8-0x00000000003C0000-0x00000000003CF000-memory.dmp

Filesize
60KB

Download
memory/2736-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2736-14-0x00000000005C0000-0x00000000005EE000-memory.dmp

Filesize
184KB

Download