ramnit | 4c5162cc0ff80ed938c1918e45394eafabad318a4e689727d77c8edcf8c13c40

General

Target

JaffaCakes118_b96d1f280613c0facc0ffd7a22fe904f.dll
Size

344KB
MD5

b96d1f280613c0facc0ffd7a22fe904f
SHA1

03951a74160fbdf0661a433b425cfae39c85230c
SHA256

4c5162cc0ff80ed938c1918e45394eafabad318a4e689727d77c8edcf8c13c40
SHA512

de4604d65c4f18eb853069c793448f8d418087f1ba60ff164f3ec9bb92b0cb668fe6a7fd836f4909b406a7b33da4db3abbdb6aec9affa7e2d4b8c6fb782d2234
SSDEEP

6144:VhwcskkkkknffCp5CrRKlua3BoEIsoDh6SyzpWubl:3wqqPouoDhGpx

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
1368	rundll32Srv.exe
2416	DesktopLayer.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00090000000227cf-3.dat	upx
behavioral1/memory/1368-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1368-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2416-11-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1368-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2416-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px6477.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	IEXPLORE.EXE
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

Modifies Internet Explorer settings 1 TTPs 20 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "451463035"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{CCD8824B-19C1-11F0-A936-DAB1868B17CD} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\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

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2416	DesktopLayer.exe
2416	DesktopLayer.exe
2416	DesktopLayer.exe
2416	DesktopLayer.exe
2416	DesktopLayer.exe
2416	DesktopLayer.exe
2416	DesktopLayer.exe
2416	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5664	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5664	iexplore.exe
5664	iexplore.exe
6000	IEXPLORE.EXE
6000	IEXPLORE.EXE
6000	IEXPLORE.EXE
6000	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 776 wrote to memory of 1512	776	rundll32.exe	86
PID 776 wrote to memory of 1512	776	rundll32.exe	86
PID 776 wrote to memory of 1512	776	rundll32.exe	86
PID 1512 wrote to memory of 1368	1512	rundll32.exe	87
PID 1512 wrote to memory of 1368	1512	rundll32.exe	87
PID 1512 wrote to memory of 1368	1512	rundll32.exe	87
PID 1368 wrote to memory of 2416	1368	rundll32Srv.exe	89
PID 1368 wrote to memory of 2416	1368	rundll32Srv.exe	89
PID 1368 wrote to memory of 2416	1368	rundll32Srv.exe	89
PID 2416 wrote to memory of 5664	2416	DesktopLayer.exe	90
PID 2416 wrote to memory of 5664	2416	DesktopLayer.exe	90
PID 5664 wrote to memory of 6000	5664	iexplore.exe	91
PID 5664 wrote to memory of 6000	5664	iexplore.exe	91
PID 5664 wrote to memory of 6000	5664	iexplore.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b96d1f280613c0facc0ffd7a22fe904f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:776
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b96d1f280613c0facc0ffd7a22fe904f.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1512
- - 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:1368
  - - 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:2416
    - - 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:5664
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5664 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:6000

Network

MITRE ATT&CK Enterprise v16

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\Local\Microsoft\Windows\INetCache\IE\3T92OGMF\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/1368-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1368-5-0x0000000000550000-0x000000000055F000-memory.dmp

Filesize
60KB

Download
memory/1368-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1368-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1512-1-0x0000000010000000-0x0000000010057000-memory.dmp

Filesize
348KB

Download
memory/1512-18-0x0000000010000000-0x0000000010057000-memory.dmp

Filesize
348KB

Download
memory/2416-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2416-14-0x0000000000450000-0x0000000000451000-memory.dmp

Filesize
4KB

Download
memory/2416-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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