ramnit | eff8c5fdbd871f776a61498040a3468042373b1ab9327c5584ed4532294f6198

General

Target

JaffaCakes118_860e2e0e076434f3f545c0cf90da4350.dll
Size

782KB
MD5

860e2e0e076434f3f545c0cf90da4350
SHA1

5b6eaa25a8549f7e014569cf1dd9e06050530acb
SHA256

eff8c5fdbd871f776a61498040a3468042373b1ab9327c5584ed4532294f6198
SHA512

210c18f3b30d84dc5d90ef5278624d4b10aa07d42f053da4c704e59062d90412433d00171b885e9e45e9e7e7cbf04f63fdff5579a2be10ee2abb7748c2d9cf2b
SSDEEP

24576:hzb1MlCKUQyUmjtczu6Prs9pgWoopooK9kwPwJ3:hzbKsUmjtcdPGgIwPwB

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
1652	rundll32mgr.exe
3180	WaterMark.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1652-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1652-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1652-14-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1652-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1652-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1652-15-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1652-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3180-28-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3180-33-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3180-38-0x0000000000400000-0x0000000000441000-memory.dmp	upx
behavioral2/memory/3180-40-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3180-42-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3180-43-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px826E.tmp	rundll32mgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1856	2964	WerFault.exe	89

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	rundll32mgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 21 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\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 (data)	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{FE528947-0708-11F0-AF5D-C6CB468AE5AC} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "449404540"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3180	WaterMark.exe
3180	WaterMark.exe
3180	WaterMark.exe
3180	WaterMark.exe
3180	WaterMark.exe
3180	WaterMark.exe
3180	WaterMark.exe
3180	WaterMark.exe
3180	WaterMark.exe
3180	WaterMark.exe
3180	WaterMark.exe
3180	WaterMark.exe
3180	WaterMark.exe
3180	WaterMark.exe
3180	WaterMark.exe
3180	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3180	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2748	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2748	iexplore.exe
2748	iexplore.exe
5024	IEXPLORE.EXE
5024	IEXPLORE.EXE
5024	IEXPLORE.EXE
5024	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1652	rundll32mgr.exe
3180	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 5516 wrote to memory of 216	5516	rundll32.exe	86
PID 5516 wrote to memory of 216	5516	rundll32.exe	86
PID 5516 wrote to memory of 216	5516	rundll32.exe	86
PID 216 wrote to memory of 1652	216	rundll32.exe	87
PID 216 wrote to memory of 1652	216	rundll32.exe	87
PID 216 wrote to memory of 1652	216	rundll32.exe	87
PID 1652 wrote to memory of 3180	1652	rundll32mgr.exe	88
PID 1652 wrote to memory of 3180	1652	rundll32mgr.exe	88
PID 1652 wrote to memory of 3180	1652	rundll32mgr.exe	88
PID 3180 wrote to memory of 2964	3180	WaterMark.exe	89
PID 3180 wrote to memory of 2964	3180	WaterMark.exe	89
PID 3180 wrote to memory of 2964	3180	WaterMark.exe	89
PID 3180 wrote to memory of 2964	3180	WaterMark.exe	89
PID 3180 wrote to memory of 2964	3180	WaterMark.exe	89
PID 3180 wrote to memory of 2964	3180	WaterMark.exe	89
PID 3180 wrote to memory of 2964	3180	WaterMark.exe	89
PID 3180 wrote to memory of 2964	3180	WaterMark.exe	89
PID 3180 wrote to memory of 2964	3180	WaterMark.exe	89
PID 3180 wrote to memory of 2748	3180	WaterMark.exe	100
PID 3180 wrote to memory of 2748	3180	WaterMark.exe	100
PID 3180 wrote to memory of 1680	3180	WaterMark.exe	101
PID 3180 wrote to memory of 1680	3180	WaterMark.exe	101
PID 2748 wrote to memory of 5024	2748	iexplore.exe	102
PID 2748 wrote to memory of 5024	2748	iexplore.exe	102
PID 2748 wrote to memory of 5024	2748	iexplore.exe	102

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_860e2e0e076434f3f545c0cf90da4350.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5516
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_860e2e0e076434f3f545c0cf90da4350.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:216
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:1652
  - - C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of UnmapMainImage
      Suspicious use of WriteProcessMemory
      PID:3180
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:2964
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2964 -s 204
        6⤵
        Program crash
        
        PID:1856
    - - 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:2748
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2748 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:5024
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        
        PID:1680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2964 -ip 2964
1⤵
PID:1544

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\463FIIFI\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
123KB

MD5
8079d61f781856ded11ce5f2c9697590

SHA1
48a8448776ecb05cef113937ae89a5de4e7f9398

SHA256
d8a004fc7c183463342adcfd4674892d42fc4a42b18dbe3acfdcae7b4ed579bb

SHA512
56b505e911994311e6eb940a46aa018b3fb5ab773bbe583718863cc2ea3d471ec19b9f65637db91ef5ba6b97b4f1cc1bb13b1846194837b2c2040b806c8d0231

Download Submit
memory/216-0-0x0000000005000000-0x00000000050C9000-memory.dmp

Filesize
804KB

Download
memory/1652-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1652-7-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1652-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1652-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1652-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1652-5-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1652-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1652-12-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/1652-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1652-20-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/1652-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1652-6-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/2964-36-0x00000000009D0000-0x00000000009D1000-memory.dmp

Filesize
4KB

Download
memory/2964-37-0x00000000009B0000-0x00000000009B1000-memory.dmp

Filesize
4KB

Download
memory/3180-23-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/3180-32-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/3180-34-0x0000000077A72000-0x0000000077A73000-memory.dmp

Filesize
4KB

Download
memory/3180-33-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3180-38-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/3180-39-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/3180-40-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3180-41-0x0000000077A72000-0x0000000077A73000-memory.dmp

Filesize
4KB

Download
memory/3180-42-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3180-43-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3180-28-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

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