ramnit | 2adda0e415aac123040781dd5b105dfbeab88686e8cffced8afc7312bbd15be8

General

Target

2adda0e415aac123040781dd5b105dfbeab88686e8cffced8afc7312bbd15be8.dll
Size

228KB
MD5

056baa3a1244701c04653aa91bcf7d50
SHA1

59944914ae253d2d61fb04073bbe2236afec6ed8
SHA256

2adda0e415aac123040781dd5b105dfbeab88686e8cffced8afc7312bbd15be8
SHA512

58fb4486562e49510f6e4260de7535d1859610dfaaeaeb03b8100964d45e9791d1d22867d78cb7cf99813f0381bbb106cfa3b22a78a59d65dcd5e4fa07592e6c
SSDEEP

6144:MciUhMANZFCl+or+DtRcnxNF1TK+9q4PNVGYp:TiCMANml+ePTc4PNVGY

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
1880	rundll32Srv.exe
984	DesktopLayer.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c0000000054a8-56.dat	upx
behavioral1/files/0x000c0000000054a8-58.dat	upx
behavioral1/files/0x000c0000000054a8-60.dat	upx
behavioral1/files/0x000800000001411f-62.dat	upx
behavioral1/memory/1880-65-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000800000001411f-64.dat	upx
behavioral1/files/0x000800000001411f-67.dat	upx
behavioral1/memory/984-68-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1500-72-0x0000000074A40000-0x0000000074A84000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1500	rundll32.exe
1880	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\pxFFF2.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
876	1500	WerFault.exe	27

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{850F09A1-5E60-11ED-B7B1-7ADD0904B6AC} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "374565409"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
984	DesktopLayer.exe
984	DesktopLayer.exe
984	DesktopLayer.exe
984	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2044	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2044	iexplore.exe
2044	iexplore.exe
268	IEXPLORE.EXE
268	IEXPLORE.EXE
268	IEXPLORE.EXE
268	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 736 wrote to memory of 1500	736	rundll32.exe	27
PID 736 wrote to memory of 1500	736	rundll32.exe	27
PID 736 wrote to memory of 1500	736	rundll32.exe	27
PID 736 wrote to memory of 1500	736	rundll32.exe	27
PID 736 wrote to memory of 1500	736	rundll32.exe	27
PID 736 wrote to memory of 1500	736	rundll32.exe	27
PID 736 wrote to memory of 1500	736	rundll32.exe	27
PID 1500 wrote to memory of 1880	1500	rundll32.exe	28
PID 1500 wrote to memory of 1880	1500	rundll32.exe	28
PID 1500 wrote to memory of 1880	1500	rundll32.exe	28
PID 1500 wrote to memory of 1880	1500	rundll32.exe	28
PID 1500 wrote to memory of 876	1500	rundll32.exe	29
PID 1500 wrote to memory of 876	1500	rundll32.exe	29
PID 1500 wrote to memory of 876	1500	rundll32.exe	29
PID 1500 wrote to memory of 876	1500	rundll32.exe	29
PID 1880 wrote to memory of 984	1880	rundll32Srv.exe	30
PID 1880 wrote to memory of 984	1880	rundll32Srv.exe	30
PID 1880 wrote to memory of 984	1880	rundll32Srv.exe	30
PID 1880 wrote to memory of 984	1880	rundll32Srv.exe	30
PID 984 wrote to memory of 2044	984	DesktopLayer.exe	31
PID 984 wrote to memory of 2044	984	DesktopLayer.exe	31
PID 984 wrote to memory of 2044	984	DesktopLayer.exe	31
PID 984 wrote to memory of 2044	984	DesktopLayer.exe	31
PID 2044 wrote to memory of 268	2044	iexplore.exe	33
PID 2044 wrote to memory of 268	2044	iexplore.exe	33
PID 2044 wrote to memory of 268	2044	iexplore.exe	33
PID 2044 wrote to memory of 268	2044	iexplore.exe	33

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2adda0e415aac123040781dd5b105dfbeab88686e8cffced8afc7312bbd15be8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:736
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2adda0e415aac123040781dd5b105dfbeab88686e8cffced8afc7312bbd15be8.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1500
- - 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:1880
  - - 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:984
    - - 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:2044
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2044 CREDAT:275457 /prefetch:2
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:268
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1500 -s 224
    3⤵
    - Program crash
    PID:876

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

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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\9691ORZ9.txt

Filesize
608B

MD5
863e8e2b0d3c447ad01f36a53e52004e

SHA1
791a7aa54bbeba2c8328a54dcc0bf1ab49dc6710

SHA256
3fd768f4a59df1166b03107818a1d7a58cd4dc2685acb5d41df1ed66001aecec

SHA512
9f06937df389130574114ebc4ec9c283b3bcc848b2aa13bc9c804452ca5407828afd5c0f4f604bfea31cd0ea675bd747305091fb5c3a05483f003e0cea1985de

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/984-68-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1500-69-0x0000000074A40000-0x0000000074A84000-memory.dmp

Filesize
272KB

Download
memory/1500-70-0x00000000749F0000-0x0000000074A34000-memory.dmp

Filesize
272KB

Download
memory/1500-71-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1500-72-0x0000000074A40000-0x0000000074A84000-memory.dmp

Filesize
272KB

Download
memory/1500-73-0x0000000074A40000-0x0000000074A84000-memory.dmp

Filesize
272KB

Download
memory/1500-55-0x0000000076201000-0x0000000076203000-memory.dmp

Filesize
8KB

Download
memory/1880-65-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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