ramnit | 3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270

General

Target

3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270.exe
Size

296KB
MD5

07b3ca069b15aa568d4b9f2e5a7321c0
SHA1

cf15da437426e3ca1d33aab0d40e6d8cc37e95da
SHA256

3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270
SHA512

4ed2575879f8a5155fc4195abbeabfefd9492fc6c655143e065e7852188a1c0ac73eccac8f364931dfa38fca705a8b123505423f83fdc58605a77342f2b3fa93
SSDEEP

6144:h3Khq6OGHo5rdx0P4FcZZ+hSamXrODW8+:h3KhqEHo5rdyPyY+hSgW

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
1900	3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270Srv.exe
940	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c0000000054a8-55.dat	upx
behavioral1/files/0x000c0000000054a8-57.dat	upx
behavioral1/files/0x000c0000000054a8-59.dat	upx
behavioral1/files/0x00090000000126c7-60.dat	upx
behavioral1/memory/1900-63-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x00090000000126c7-62.dat	upx
behavioral1/files/0x00090000000126c7-65.dat	upx
behavioral1/memory/940-66-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1972	3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270.exe
1900	3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270Srv.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px1140.tmp	3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270Srv.exe

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
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\Main\WindowsSearch	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 = "371603895"	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\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom	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\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU	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\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	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\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{3AFA1211-4371-11ED-808D-42A98B637845} = "0"	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\LowRegistry\DOMStorage	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
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\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup	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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
940	DesktopLayer.exe
940	DesktopLayer.exe
940	DesktopLayer.exe
940	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1156	iexplore.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
1972	3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270.exe
1972	3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270.exe
1972	3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270.exe
1156	iexplore.exe
1156	iexplore.exe
852	IEXPLORE.EXE
852	IEXPLORE.EXE
852	IEXPLORE.EXE
852	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 1900	1972	3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270.exe	28
PID 1972 wrote to memory of 1900	1972	3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270.exe	28
PID 1972 wrote to memory of 1900	1972	3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270.exe	28
PID 1972 wrote to memory of 1900	1972	3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270.exe	28
PID 1900 wrote to memory of 940	1900	3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270Srv.exe	29
PID 1900 wrote to memory of 940	1900	3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270Srv.exe	29
PID 1900 wrote to memory of 940	1900	3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270Srv.exe	29
PID 1900 wrote to memory of 940	1900	3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270Srv.exe	29
PID 940 wrote to memory of 1156	940	DesktopLayer.exe	30
PID 940 wrote to memory of 1156	940	DesktopLayer.exe	30
PID 940 wrote to memory of 1156	940	DesktopLayer.exe	30
PID 940 wrote to memory of 1156	940	DesktopLayer.exe	30
PID 1156 wrote to memory of 852	1156	iexplore.exe	32
PID 1156 wrote to memory of 852	1156	iexplore.exe	32
PID 1156 wrote to memory of 852	1156	iexplore.exe	32
PID 1156 wrote to memory of 852	1156	iexplore.exe	32

C:\Users\Admin\AppData\Local\Temp\3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270.exe
"C:\Users\Admin\AppData\Local\Temp\3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Users\Admin\AppData\Local\Temp\3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270Srv.exe
  C:\Users\Admin\AppData\Local\Temp\3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270Srv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1900
- - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:940
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1156
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1156 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:852

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\Local\Temp\3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\J7V9IJ0Q.txt

Filesize
595B

MD5
54734e05d05e4117c9b6d4d43f464a6d

SHA1
ef48e15a6dbf1bd7b308ac65daf1bd5b94167e0b

SHA256
4d6a701c5cc4fc86da78ed254f703feecb1c5c64c961ad6d3d490a6cbf833b5d

SHA512
79da11f1fcd49406d40516c2b248df8196d1954515890f44edb7291a35ad12fb028332ea5548b4e8ec85d6dfc4a4a07abbf485e85bea4adf91b7dcacb66a4938

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

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Users\Admin\AppData\Local\Temp\3af616f463d7cf5e1468aa4cee6a348de5cefc9b26de0dde3b5f08e2efb98270Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/940-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1900-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1972-54-0x0000000075981000-0x0000000075983000-memory.dmp

Filesize
8KB

Download
memory/1972-67-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1972-68-0x0000000000240000-0x000000000026E000-memory.dmp

Filesize
184KB

Download
memory/1972-69-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1972-70-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download

Analysis

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