ramnit | 96ff48748645f18c6f015dd4abd106c7de3dcda22bd73abdfc56399615c09503

General

Target

96ff48748645f18c6f015dd4abd106c7de3dcda22bd73abdfc56399615c09503.dll
Size

464KB
MD5

71cb4795e1dfbee4e2528ba70ba50ed1
SHA1

8624e2242a0586ee67713686abb1ea4e59f38ffa
SHA256

96ff48748645f18c6f015dd4abd106c7de3dcda22bd73abdfc56399615c09503
SHA512

c5f56385edc6d0199d52aa26c6770a305a5e943466bfcb7f818dd3154efb0186f11a136563ee5fad395e5820ab5ccda734111f28e712f66120fd7a8eb421f39a
SSDEEP

12288:zzA5lZhy6RpB/6eXMVVLrkwTzCunpKI13YEqWTegC:zzA5HhRPSeX2VHkuzRnpz1oB

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
1704	rundll32Srv.exe
948	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0008000000005c51-56.dat	upx
behavioral1/files/0x0008000000005c51-58.dat	upx
behavioral1/files/0x0008000000005c51-60.dat	upx
behavioral1/files/0x000800000001468b-62.dat	upx
behavioral1/files/0x000800000001468b-65.dat	upx
behavioral1/memory/1704-64-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000800000001468b-67.dat	upx
behavioral1/memory/948-68-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1516	rundll32.exe
1704	rundll32Srv.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32Srv.exe	rundll32.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px3728.tmp	rundll32Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
952	1516	WerFault.exe	26

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373096087"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{83BDD001-5103-11ED-809F-FE8152C730B7} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
948	DesktopLayer.exe
948	DesktopLayer.exe
948	DesktopLayer.exe
948	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
376	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
376	iexplore.exe
376	iexplore.exe
1032	IEXPLORE.EXE
1032	IEXPLORE.EXE
1032	IEXPLORE.EXE
1032	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 1516	1464	rundll32.exe	26
PID 1464 wrote to memory of 1516	1464	rundll32.exe	26
PID 1464 wrote to memory of 1516	1464	rundll32.exe	26
PID 1464 wrote to memory of 1516	1464	rundll32.exe	26
PID 1464 wrote to memory of 1516	1464	rundll32.exe	26
PID 1464 wrote to memory of 1516	1464	rundll32.exe	26
PID 1464 wrote to memory of 1516	1464	rundll32.exe	26
PID 1516 wrote to memory of 1704	1516	rundll32.exe	27
PID 1516 wrote to memory of 1704	1516	rundll32.exe	27
PID 1516 wrote to memory of 1704	1516	rundll32.exe	27
PID 1516 wrote to memory of 1704	1516	rundll32.exe	27
PID 1516 wrote to memory of 952	1516	rundll32.exe	28
PID 1516 wrote to memory of 952	1516	rundll32.exe	28
PID 1516 wrote to memory of 952	1516	rundll32.exe	28
PID 1516 wrote to memory of 952	1516	rundll32.exe	28
PID 1704 wrote to memory of 948	1704	rundll32Srv.exe	29
PID 1704 wrote to memory of 948	1704	rundll32Srv.exe	29
PID 1704 wrote to memory of 948	1704	rundll32Srv.exe	29
PID 1704 wrote to memory of 948	1704	rundll32Srv.exe	29
PID 948 wrote to memory of 376	948	DesktopLayer.exe	30
PID 948 wrote to memory of 376	948	DesktopLayer.exe	30
PID 948 wrote to memory of 376	948	DesktopLayer.exe	30
PID 948 wrote to memory of 376	948	DesktopLayer.exe	30
PID 376 wrote to memory of 1032	376	iexplore.exe	32
PID 376 wrote to memory of 1032	376	iexplore.exe	32
PID 376 wrote to memory of 1032	376	iexplore.exe	32
PID 376 wrote to memory of 1032	376	iexplore.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\96ff48748645f18c6f015dd4abd106c7de3dcda22bd73abdfc56399615c09503.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1464
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\96ff48748645f18c6f015dd4abd106c7de3dcda22bd73abdfc56399615c09503.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1516
- - C:\Windows\SysWOW64\rundll32Srv.exe
    C:\Windows\SysWOW64\rundll32Srv.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - Suspicious use of WriteProcessMemory
    PID:1704
  - - 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:948
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:376
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:376 CREDAT:275457 /prefetch:2
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1032
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 224
    3⤵
    - Program crash
    PID:952

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files (x86)\Microsoft\DesktopLayer.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\2MVJ6NG0.txt

Filesize
603B

MD5
2bd38a1c925f02aaddaf51b22bc1e820

SHA1
ca122880ed3062a57ffb3fc65e081fd46e9e6f90

SHA256
93a782982ee7e489247b279dfb73d1da9c913ebcfd16fc85f833a85591466feb

SHA512
dd168866cb2e42cb0f73c7378a2b21e6f8eb7db7fa2903d75172336c66e60f11a094af8c2b8a89e416ad83abdb2c7e12cf8437bf0a9fdf7e93c9182ab8e64cdc

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Program Files (x86)\Microsoft\DesktopLayer.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Windows\SysWOW64\rundll32Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/948-68-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1516-69-0x00000000745A0000-0x000000007461B000-memory.dmp

Filesize
492KB

Download
memory/1516-70-0x0000000074520000-0x000000007459B000-memory.dmp

Filesize
492KB

Download
memory/1516-71-0x0000000000250000-0x000000000027E000-memory.dmp

Filesize
184KB

Download
memory/1516-72-0x0000000000250000-0x000000000027E000-memory.dmp

Filesize
184KB

Download
memory/1516-55-0x0000000075B51000-0x0000000075B53000-memory.dmp

Filesize
8KB

Download
memory/1704-64-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing