ramnit | 719a1e86dad4e04f0edebe642d689d9612681d943214261d91f208b5f7de81e7

General

Target

719a1e86dad4e04f0edebe642d689d9612681d943214261d91f208b5f7de81e7.dll
Size

125KB
MD5

db03f42b416652e62a8330bd5ce71180
SHA1

93487ce70864062449f03fd4c4c0d4bbca53f9ab
SHA256

719a1e86dad4e04f0edebe642d689d9612681d943214261d91f208b5f7de81e7
SHA512

b832855ee23e226c6d5591b890ad33b8f5fc6c673570de5988ea0b1ff706ce661622f4be36fd51490344fc1ffec3a605b47b56cc2072cacf561b519eca2a9394
SSDEEP

3072:QAEl8Ochk+WB2I9gMTInI4W8fd3YuQ74SoP9l4:saOcWBPcn/h9q74SoP9O

Score

10^/10

ramnit banker 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

Executes dropped EXE 1 IoCs

pid	Process
4632	regsvr32mgr.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4632-138-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
4632	regsvr32mgr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\regsvr32mgr.exe	regsvr32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2556	4632	WerFault.exe	79

Modifies registry class 19 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{81667202-FB60-492A-A141-6542821A2B17}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{81667202-FB60-492A-A141-6542821A2B17}\InProcServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{81667202-FB60-492A-A141-6542821A2B17}\ProxyStubClsid32\ = "{81667202-FB60-492A-A141-6542821A2B17}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{81667202-FB60-492A-A141-6542821A2B17}\ = "IGame"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{81667202-FB60-492A-A141-6542821A2B17}\NumMethods\ = "7"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{11250DED-D5FF-4F13-A5F3-44D4174A65D1}\ = "IGameSite"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{81667202-FB60-492A-A141-6542821A2B17}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{81667202-FB60-492A-A141-6542821A2B17}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\719a1e86dad4e04f0edebe642d689d9612681d943214261d91f208b5f7de81e7.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{81667202-FB60-492A-A141-6542821A2B17}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{11250DED-D5FF-4F13-A5F3-44D4174A65D1}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{81667202-FB60-492A-A141-6542821A2B17}\ = "PSFactoryBuffer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{81667202-FB60-492A-A141-6542821A2B17}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{11250DED-D5FF-4F13-A5F3-44D4174A65D1}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{11250DED-D5FF-4F13-A5F3-44D4174A65D1}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{11250DED-D5FF-4F13-A5F3-44D4174A65D1}\NumMethods\ = "6"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\WOW6432Node\Interface	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{81667202-FB60-492A-A141-6542821A2B17}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{11250DED-D5FF-4F13-A5F3-44D4174A65D1}\ProxyStubClsid32\ = "{81667202-FB60-492A-A141-6542821A2B17}"	regsvr32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3136 wrote to memory of 3420	3136	regsvr32.exe	78
PID 3136 wrote to memory of 3420	3136	regsvr32.exe	78
PID 3136 wrote to memory of 3420	3136	regsvr32.exe	78
PID 3420 wrote to memory of 4632	3420	regsvr32.exe	79
PID 3420 wrote to memory of 4632	3420	regsvr32.exe	79
PID 3420 wrote to memory of 4632	3420	regsvr32.exe	79

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\719a1e86dad4e04f0edebe642d689d9612681d943214261d91f208b5f7de81e7.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3136
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\719a1e86dad4e04f0edebe642d689d9612681d943214261d91f208b5f7de81e7.dll
  2⤵
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3420
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:4632
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4632 -s 516
      4⤵
      Program crash
      PID:2556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4632 -ip 4632
1⤵
PID:5060

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TMA6F3.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
C:\Windows\SysWOW64\regsvr32mgr.exe

Filesize
106KB

MD5
fe36fb1073e6f8fa14d7250501a29aaf

SHA1
6c7e01278362797dabcff3e666b68227cb9af10f

SHA256
f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

SHA512
8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

Download Submit
C:\Windows\SysWOW64\regsvr32mgr.exe

Filesize
106KB

MD5
fe36fb1073e6f8fa14d7250501a29aaf

SHA1
6c7e01278362797dabcff3e666b68227cb9af10f

SHA256
f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

SHA512
8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

Download Submit
memory/3420-133-0x0000000074F40000-0x0000000074F65000-memory.dmp

Filesize
148KB

Download
memory/4632-138-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4632-139-0x00000000007C0000-0x00000000007EA000-memory.dmp

Filesize
168KB

Download
memory/4632-140-0x0000000077520000-0x00000000776C3000-memory.dmp

Filesize
1.6MB

Download

Analysis

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