ramnit | 2ca09185bf4c9a91fbe61dc5c647747ffab0b0b4df1610369e2be0d40a7213fc

Analysis

max time kernel
111s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 01:56

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General

Target

2ca09185bf4c9a91fbe61dc5c647747ffab0b0b4df1610369e2be0d40a7213fcN.dll
Size

200KB
MD5

edf2ff7e9630753b934a75dbb68c6c70
SHA1

1e7c732e560d919ba385f820475285cf671dddab
SHA256

2ca09185bf4c9a91fbe61dc5c647747ffab0b0b4df1610369e2be0d40a7213fc
SHA512

51d9d19a27754de7412196c8764ea8d049d52de2edd821d2e3add1168c2fd39fb7ee4212348e26c35ff214144ec8511feb38838c15ab77c18c91b834f7958892
SSDEEP

6144:vukYWCETm5kGEiSQ47x6naOe0HjkVUGARtjk1jQi:vukphTjGwB7SaOeCeUGYiEi

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 1 IoCs

pid	Process
2464	regsvr32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
1768	regsvr32.exe
1768	regsvr32.exe
2464	regsvr32mgr.exe
2464	regsvr32mgr.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2464-11-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/2464-17-0x0000000000400000-0x000000000046C000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 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	regsvr32mgr.exe

Modifies registry class 37 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E972830F-9A57-49D4-90A0-D3D289C71CF2}\ProxyStubClsid32\ = "{509C4001-13C5-11D5-8F2A-0080C84E9C39}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F4A7B79D-4473-4C4F-8F26-E240BFEDB72A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E972830F-9A57-49D4-90A0-D3D289C71CF2}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FC8869C0-D263-49FE-BF43-4682BF7EA183}\NumMethods\ = "5"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{509C4001-13C5-11D5-8F2A-0080C84E9C39}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\ProxyStubClsid32\ = "{509C4001-13C5-11D5-8F2A-0080C84E9C39}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F4A7B79D-4473-4C4F-8F26-E240BFEDB72A}\ProxyStubClsid32\ = "{509C4001-13C5-11D5-8F2A-0080C84E9C39}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F4A7B79D-4473-4C4F-8F26-E240BFEDB72A}\ = "IVideoSet3"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FC8869C0-D263-49FE-BF43-4682BF7EA183}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FC8869C0-D263-49FE-BF43-4682BF7EA183}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{66AA0EC6-10E5-494C-AE9B-5541264CE597}\NumMethods\ = "47"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2ca09185bf4c9a91fbe61dc5c647747ffab0b0b4df1610369e2be0d40a7213fcN.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\ = "PSFactoryBuffer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E972830F-9A57-49D4-90A0-D3D289C71CF2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E972830F-9A57-49D4-90A0-D3D289C71CF2}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F4A7B79D-4473-4C4F-8F26-E240BFEDB72A}\NumMethods\ = "33"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FC8869C0-D263-49FE-BF43-4682BF7EA183}\ = "IDxvaConfig"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{66AA0EC6-10E5-494C-AE9B-5541264CE597}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{66AA0EC6-10E5-494C-AE9B-5541264CE597}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\InProcServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E972830F-9A57-49D4-90A0-D3D289C71CF2}\ = "IVideoSet2"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F4A7B79D-4473-4C4F-8F26-E240BFEDB72A}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{509C4001-13C5-11D5-8F2A-0080C84E9C39}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{66AA0EC6-10E5-494C-AE9B-5541264CE597}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{66AA0EC6-10E5-494C-AE9B-5541264CE597}\ProxyStubClsid32\ = "{509C4001-13C5-11D5-8F2A-0080C84E9C39}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FC8869C0-D263-49FE-BF43-4682BF7EA183}\ProxyStubClsid32\ = "{509C4001-13C5-11D5-8F2A-0080C84E9C39}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FC8869C0-D263-49FE-BF43-4682BF7EA183}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{66AA0EC6-10E5-494C-AE9B-5541264CE597}\ = "ICLAudProp3"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\ = "IVideoSet"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\NumMethods\ = "18"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E972830F-9A57-49D4-90A0-D3D289C71CF2}\NumMethods\ = "24"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F4A7B79D-4473-4C4F-8F26-E240BFEDB72A}\ProxyStubClsid32	regsvr32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 1768	2336	regsvr32.exe	30
PID 2336 wrote to memory of 1768	2336	regsvr32.exe	30
PID 2336 wrote to memory of 1768	2336	regsvr32.exe	30
PID 2336 wrote to memory of 1768	2336	regsvr32.exe	30
PID 2336 wrote to memory of 1768	2336	regsvr32.exe	30
PID 2336 wrote to memory of 1768	2336	regsvr32.exe	30
PID 2336 wrote to memory of 1768	2336	regsvr32.exe	30
PID 1768 wrote to memory of 2464	1768	regsvr32.exe	31
PID 1768 wrote to memory of 2464	1768	regsvr32.exe	31
PID 1768 wrote to memory of 2464	1768	regsvr32.exe	31
PID 1768 wrote to memory of 2464	1768	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2ca09185bf4c9a91fbe61dc5c647747ffab0b0b4df1610369e2be0d40a7213fcN.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\2ca09185bf4c9a91fbe61dc5c647747ffab0b0b4df1610369e2be0d40a7213fcN.dll
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1768
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\~TMB23F.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TMB26F.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\regsvr32mgr.exe

Filesize
167KB

MD5
e43a097cc7df0279fb460c3c2858a213

SHA1
458585dfec655f654e2d892881bfa130d468115e

SHA256
b4ebb74b48c1d2041c8795cc0b75657eb0e221305d505af15127d8fd2a674da5

SHA512
f187d3643d44a3d93b851015e966a630c0825b31f97ac5dcfc31d753acf5ee3d6677f4467e20c734370549f70b5a87fc6ccd2d1912e2d63d01d1bf503e425377

Download Submit
memory/1768-1-0x0000000010000000-0x0000000010032000-memory.dmp

Filesize
200KB

Download
memory/2464-10-0x0000000001CA0000-0x0000000001DA0000-memory.dmp

Filesize
1024KB

Download
memory/2464-11-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2464-17-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download