ramnit | fd44c006f0ec3813aca8c0a3507ee1fa2095829d53ad95d24038435fad6b0295

General

Target

JaffaCakes118_89df1cee3b94133032ea033e4b0532e0.dll
Size

96KB
MD5

89df1cee3b94133032ea033e4b0532e0
SHA1

d3069c23689fcd502b249ed0f6728c1d603c189d
SHA256

fd44c006f0ec3813aca8c0a3507ee1fa2095829d53ad95d24038435fad6b0295
SHA512

4523c56a352b650c2a7591830423b7c339e4b9d43cde07799887a50ede5007e56e8a3f2372a0baf6f8170ef528c4cfdb576adaaefd2313899dcedd91273d75a4
SSDEEP

1536:ribToqp78CcuChGxDXjSiQ+CKTKV1DmQizQ+sIEQUxx9sOP:ribTTp78CcuCc2YG1DmQT+rEx

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
2652	rundll32Srv.exe
4776	DesktopLayer.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00060000000236ea-3.dat	upx
behavioral2/memory/2652-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2652-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4776-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4776-12-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4776-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4776-18-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px71E4.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
1868	5540	WerFault.exe	86

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 20 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D8AC03C4-0B23-11F0-9C64-76E48B5550AB} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "449855878"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4776	DesktopLayer.exe
4776	DesktopLayer.exe
4776	DesktopLayer.exe
4776	DesktopLayer.exe
4776	DesktopLayer.exe
4776	DesktopLayer.exe
4776	DesktopLayer.exe
4776	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5960	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5960	iexplore.exe
5960	iexplore.exe
5260	IEXPLORE.EXE
5260	IEXPLORE.EXE
5260	IEXPLORE.EXE
5260	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1116 wrote to memory of 5540	1116	rundll32.exe	86
PID 1116 wrote to memory of 5540	1116	rundll32.exe	86
PID 1116 wrote to memory of 5540	1116	rundll32.exe	86
PID 5540 wrote to memory of 2652	5540	rundll32.exe	87
PID 5540 wrote to memory of 2652	5540	rundll32.exe	87
PID 5540 wrote to memory of 2652	5540	rundll32.exe	87
PID 2652 wrote to memory of 4776	2652	rundll32Srv.exe	88
PID 2652 wrote to memory of 4776	2652	rundll32Srv.exe	88
PID 2652 wrote to memory of 4776	2652	rundll32Srv.exe	88
PID 4776 wrote to memory of 5960	4776	DesktopLayer.exe	90
PID 4776 wrote to memory of 5960	4776	DesktopLayer.exe	90
PID 5960 wrote to memory of 5260	5960	iexplore.exe	93
PID 5960 wrote to memory of 5260	5960	iexplore.exe	93
PID 5960 wrote to memory of 5260	5960	iexplore.exe	93

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89df1cee3b94133032ea033e4b0532e0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89df1cee3b94133032ea033e4b0532e0.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5540
- - C:\Windows\SysWOW64\rundll32Srv.exe
    C:\Windows\SysWOW64\rundll32Srv.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2652
  - - 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:4776
    - - 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:5960
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5960 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:5260
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5540 -s 608
    3⤵
    - Program crash
    PID:1868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5540 -ip 5540
1⤵
PID:5348

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187

Filesize
471B

MD5
4a326b4601ab30dfcfec12796d4473af

SHA1
fcc8ab255f002787a2f4756a6e7aaebc4ca0b5ff

SHA256
58c3470bcc9b953996e86f7741d7a6b1afe327c1c65788c2ef262c1beb6df10c

SHA512
2462008010263772ed24dbf2e6b9c002e29334c7529ddbc5f8272dbb41d5eb54dcc9556ade4dab79f32a10cdff67520882a5505f80dd23a752ea69407afd654e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187

Filesize
412B

MD5
d25fcbaf465b127b3a25004739c95da5

SHA1
6e793deb7d58ae07d47ef9323a56a35259d15997

SHA256
e76262ba906cba9518a2b3061649e8967eac2a696ae7d94faa6e037594c03697

SHA512
36be3aba4a88999324ed968019ad6125a1b2e1e5f977e7f6b2b7ed32b67b35727575c3726de7391b8660184294da4818fcbb66535ca2fbc75387000a2e819e66

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\EAO45EME\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/2652-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2652-5-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2652-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4776-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4776-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4776-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4776-15-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/4776-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5540-19-0x000000006D080000-0x000000006D098000-memory.dmp

Filesize
96KB

Download
memory/5540-1-0x000000006D080000-0x000000006D098000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing