ramnit | ede838cd411ab9cf8c5324ac8344b227419a492061d8d22ccc3e4a4501f6834a

General

Target

ede838cd411ab9cf8c5324ac8344b227419a492061d8d22ccc3e4a4501f6834a.dll
Size

96KB
MD5

8f647c83f4243c5d01bc433e4bd2c7c0
SHA1

8030f9df1e379e373eb32322412d4ac60a4a5d12
SHA256

ede838cd411ab9cf8c5324ac8344b227419a492061d8d22ccc3e4a4501f6834a
SHA512

2884ac05ba25f9b13556fb8af97c1acd5089f960fc53b6f42ac9f2b6709a827890dbd7df442954b85fded19c6adfd154cf7129ca8b1363e0cd18383c436b62f6
SSDEEP

1536:xibToqp78CcR4UsRDMHJmMlFOaPU8oEi3SQBgDgaNOv48UF:xibTTp78CcaUsFMpPPspSI6gFs

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
1368	rundll32Srv.exe
572	DesktopLayer.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a000000012324-57.dat	upx
behavioral1/memory/896-58-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000a000000012324-60.dat	upx
behavioral1/files/0x000a000000012324-62.dat	upx
behavioral1/files/0x000a000000012331-63.dat	upx
behavioral1/memory/1368-66-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000a000000012331-67.dat	upx
behavioral1/files/0x000a000000012331-69.dat	upx
behavioral1/memory/572-70-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
896	rundll32.exe
1368	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\px27EC.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
268	896	WerFault.exe	28

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{91168D20-756E-11ED-875F-EED7317926BC} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
572	DesktopLayer.exe
572	DesktopLayer.exe
572	DesktopLayer.exe
572	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
628	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
628	iexplore.exe
628	iexplore.exe
1372	IEXPLORE.EXE
1372	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1168 wrote to memory of 896	1168	rundll32.exe	28
PID 1168 wrote to memory of 896	1168	rundll32.exe	28
PID 1168 wrote to memory of 896	1168	rundll32.exe	28
PID 1168 wrote to memory of 896	1168	rundll32.exe	28
PID 1168 wrote to memory of 896	1168	rundll32.exe	28
PID 1168 wrote to memory of 896	1168	rundll32.exe	28
PID 1168 wrote to memory of 896	1168	rundll32.exe	28
PID 896 wrote to memory of 1368	896	rundll32.exe	29
PID 896 wrote to memory of 1368	896	rundll32.exe	29
PID 896 wrote to memory of 1368	896	rundll32.exe	29
PID 896 wrote to memory of 1368	896	rundll32.exe	29
PID 1368 wrote to memory of 572	1368	rundll32Srv.exe	31
PID 1368 wrote to memory of 572	1368	rundll32Srv.exe	31
PID 1368 wrote to memory of 572	1368	rundll32Srv.exe	31
PID 1368 wrote to memory of 572	1368	rundll32Srv.exe	31
PID 896 wrote to memory of 268	896	rundll32.exe	30
PID 896 wrote to memory of 268	896	rundll32.exe	30
PID 896 wrote to memory of 268	896	rundll32.exe	30
PID 896 wrote to memory of 268	896	rundll32.exe	30
PID 572 wrote to memory of 628	572	DesktopLayer.exe	32
PID 572 wrote to memory of 628	572	DesktopLayer.exe	32
PID 572 wrote to memory of 628	572	DesktopLayer.exe	32
PID 572 wrote to memory of 628	572	DesktopLayer.exe	32
PID 628 wrote to memory of 1372	628	iexplore.exe	34
PID 628 wrote to memory of 1372	628	iexplore.exe	34
PID 628 wrote to memory of 1372	628	iexplore.exe	34
PID 628 wrote to memory of 1372	628	iexplore.exe	34

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ede838cd411ab9cf8c5324ac8344b227419a492061d8d22ccc3e4a4501f6834a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1168
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ede838cd411ab9cf8c5324ac8344b227419a492061d8d22ccc3e4a4501f6834a.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:896
- - 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:1368
  - - 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:572
    - - 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:628
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:628 CREDAT:275457 /prefetch:2
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1372
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 896 -s 228
    3⤵
    - Program crash
    PID:268

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\PT2WMB9Z.txt

Filesize
608B

MD5
2af917bcc2d60d0c5c947df9ccef6bf6

SHA1
f57305eb08560ad0e0ed66556a9e8f61e6329d8f

SHA256
7bb03657eb9c2f8d1f873ea039c2171ba0cbc352941b562722db7c40d00c474e

SHA512
5bb17ef188ef8b2de8adb41eae094b9e9eeef31c460756bf27c8190118bfe490a64e9ebbaac248857aa7dfb8e5d08c2933a6872d77b6136dbb53e84963d04be1

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/572-70-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/896-58-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/896-56-0x000000006D080000-0x000000006D098000-memory.dmp

Filesize
96KB

Download
memory/896-71-0x000000006D080000-0x000000006D098000-memory.dmp

Filesize
96KB

Download
memory/896-55-0x0000000075E81000-0x0000000075E83000-memory.dmp

Filesize
8KB

Download
memory/1368-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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