ramnit | 93310c6eb657d6bb8214af7c141cbd5935bb978380cb8d89701de6ee01cf5676

General

Target

JaffaCakes118_858e46de6d27d713e4aa417a2c028d90.dll
Size

260KB
MD5

858e46de6d27d713e4aa417a2c028d90
SHA1

1b122097b6f2b7cd638acb909e8847a0f6fc563c
SHA256

93310c6eb657d6bb8214af7c141cbd5935bb978380cb8d89701de6ee01cf5676
SHA512

4772b6953cbd226ba1f4d793106a4cf7d6c21a1cec76d4880c306d195ec91effc92905fb6a17e8d55464959580b7856ee12eae9b72dbe869707fa288381e7853
SSDEEP

3072:bm07c4fHCp/AZX/AGUBUpV7Os2kKerYVSrfishHwJjocVFEneeVQIcMrsNNqHI5:97dHCc/ASsad1rasdUVUnon2

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
644	regsvr32Srv.exe
3432	DesktopLayer.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\regsvr32Srv.exe	regsvr32.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x01ad0000000221a8-3.dat	upx
behavioral2/memory/644-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/644-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3432-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3432-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3432-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	regsvr32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px43EE.tmp	regsvr32Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	regsvr32Srv.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	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32Srv.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-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\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
Key created	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "449374483"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{02EFB87C-06C3-11F0-9A21-46172D3D8C37} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3432	DesktopLayer.exe
3432	DesktopLayer.exe
3432	DesktopLayer.exe
3432	DesktopLayer.exe
3432	DesktopLayer.exe
3432	DesktopLayer.exe
3432	DesktopLayer.exe
3432	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5184	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5184	iexplore.exe
5184	iexplore.exe
5844	IEXPLORE.EXE
5844	IEXPLORE.EXE
5844	IEXPLORE.EXE
5844	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4356 wrote to memory of 2004	4356	regsvr32.exe	86
PID 4356 wrote to memory of 2004	4356	regsvr32.exe	86
PID 4356 wrote to memory of 2004	4356	regsvr32.exe	86
PID 2004 wrote to memory of 644	2004	regsvr32.exe	87
PID 2004 wrote to memory of 644	2004	regsvr32.exe	87
PID 2004 wrote to memory of 644	2004	regsvr32.exe	87
PID 644 wrote to memory of 3432	644	regsvr32Srv.exe	88
PID 644 wrote to memory of 3432	644	regsvr32Srv.exe	88
PID 644 wrote to memory of 3432	644	regsvr32Srv.exe	88
PID 3432 wrote to memory of 5184	3432	DesktopLayer.exe	89
PID 3432 wrote to memory of 5184	3432	DesktopLayer.exe	89
PID 5184 wrote to memory of 5844	5184	iexplore.exe	91
PID 5184 wrote to memory of 5844	5184	iexplore.exe	91
PID 5184 wrote to memory of 5844	5184	iexplore.exe	91

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_858e46de6d27d713e4aa417a2c028d90.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4356
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_858e46de6d27d713e4aa417a2c028d90.dll
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2004
- - C:\Windows\SysWOW64\regsvr32Srv.exe
    C:\Windows\SysWOW64\regsvr32Srv.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:644
  - - 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:3432
    - - 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:5184
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5184 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:5844

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\Local\Microsoft\Windows\INetCache\IE\8RDJB14J\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\regsvr32Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/644-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/644-6-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/644-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2004-0-0x0000000010000000-0x0000000010043000-memory.dmp

Filesize
268KB

Download
memory/3432-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3432-15-0x0000000002040000-0x0000000002041000-memory.dmp

Filesize
4KB

Download
memory/3432-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3432-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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