ramnit | 6a13fc115903011d33879fa30a1fd5d7a0d20a1a302cbfe626a488f9f4e4a0cd

General

Target

JaffaCakes118_655d550a05d2e6ab7f5fc9bc50886420.dll
Size

504KB
MD5

655d550a05d2e6ab7f5fc9bc50886420
SHA1

6bb9442d316dc6af637c097fcfb43d29ed639bba
SHA256

6a13fc115903011d33879fa30a1fd5d7a0d20a1a302cbfe626a488f9f4e4a0cd
SHA512

86487056a659373d59ed53413c3c96b684028888c68592a874a7e06550bf66db67dfdaeafc0874622549e125bee8fcc3bfd4be57ef98766e16672452386443a1
SSDEEP

6144:A6B0FzFG8CoqdzfW4a5550FQ4RpahktN:ATVFGhoqe0RvN

Score

10^/10

ramnit banker discovery 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
Ramnit family
ramnit

Executes dropped EXE 2 IoCs

pid	Process
1608	rundll32Srv.exe
2012	DesktopLayer.exe

Loads dropped DLL 2 IoCs

pid	Process
1632	rundll32.exe
1608	rundll32Srv.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000d000000015ceb-1.dat	upx
behavioral1/memory/1608-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1608-11-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2012-22-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxCFBD.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

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32Srv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441985720"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{E61F8F91-C90B-11EF-85C5-7E918DD97D05} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2012	DesktopLayer.exe
2012	DesktopLayer.exe
2012	DesktopLayer.exe
2012	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2188	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2188	iexplore.exe
2188	iexplore.exe
2908	IEXPLORE.EXE
2908	IEXPLORE.EXE
2908	IEXPLORE.EXE
2908	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 1632	2364	rundll32.exe	31
PID 2364 wrote to memory of 1632	2364	rundll32.exe	31
PID 2364 wrote to memory of 1632	2364	rundll32.exe	31
PID 2364 wrote to memory of 1632	2364	rundll32.exe	31
PID 2364 wrote to memory of 1632	2364	rundll32.exe	31
PID 2364 wrote to memory of 1632	2364	rundll32.exe	31
PID 2364 wrote to memory of 1632	2364	rundll32.exe	31
PID 1632 wrote to memory of 1608	1632	rundll32.exe	32
PID 1632 wrote to memory of 1608	1632	rundll32.exe	32
PID 1632 wrote to memory of 1608	1632	rundll32.exe	32
PID 1632 wrote to memory of 1608	1632	rundll32.exe	32
PID 1608 wrote to memory of 2012	1608	rundll32Srv.exe	33
PID 1608 wrote to memory of 2012	1608	rundll32Srv.exe	33
PID 1608 wrote to memory of 2012	1608	rundll32Srv.exe	33
PID 1608 wrote to memory of 2012	1608	rundll32Srv.exe	33
PID 2012 wrote to memory of 2188	2012	DesktopLayer.exe	34
PID 2012 wrote to memory of 2188	2012	DesktopLayer.exe	34
PID 2012 wrote to memory of 2188	2012	DesktopLayer.exe	34
PID 2012 wrote to memory of 2188	2012	DesktopLayer.exe	34
PID 2188 wrote to memory of 2908	2188	iexplore.exe	35
PID 2188 wrote to memory of 2908	2188	iexplore.exe	35
PID 2188 wrote to memory of 2908	2188	iexplore.exe	35
PID 2188 wrote to memory of 2908	2188	iexplore.exe	35

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_655d550a05d2e6ab7f5fc9bc50886420.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_655d550a05d2e6ab7f5fc9bc50886420.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1632
- - C:\Windows\SysWOW64\rundll32Srv.exe
    C:\Windows\SysWOW64\rundll32Srv.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1608
  - - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
      "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2012
    - - 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:2188
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2188 CREDAT:275457 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
d9e212e34b93f0d89faa746c4d9f2f26

SHA1
ad88b5fbd15345d5c67742cf7c9ca701405b8374

SHA256
5f567221e9cd5ae28da166a26cb3df8955a59bceaa22ad618ddc1b6b4ee08818

SHA512
af37ddb49762f7c2cf11084670f41a59ba6e34b5807e52270948972beaf515f7200280e3a0bc4995dc3dec0406485b793d7467839737e7d1ff2c28f36130c4d0

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
a3c45fe5da5548d6f4ff0663f49608e3

SHA1
134e2d94d03d5ca282a2272f76535e4333e703ba

SHA256
9952f1e7747ab417e8dd240875762b30f0831c82319ff72e5ce5c226c67837f8

SHA512
0e8b33015e8d9c983f1155b8ac5094a21719e630bb27a534d6ffe838222f473c4ee2bfc0d5205a9af5461be022239c6c6714a4aaecc02b8ef6d28e56c016de77

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabF4BE.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarF4E0.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\Windows\SysWOW64\rundll32Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1608-10-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/1608-15-0x0000000000240000-0x000000000026E000-memory.dmp

Filesize
184KB

Download
memory/1608-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1608-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1632-6-0x0000000000190000-0x00000000001BE000-memory.dmp

Filesize
184KB

Download
memory/1632-2-0x0000000068030000-0x00000000680AF000-memory.dmp

Filesize
508KB

Download
memory/1632-5-0x0000000068030000-0x00000000680AF000-memory.dmp

Filesize
508KB

Download
memory/2012-22-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2012-20-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download

Analysis

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