ramnit | a6f86629c019681317720da4201d667f3215ee4061a6cebfebfa1b12df35263f

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 01:43

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General

Target

a6f86629c019681317720da4201d667f3215ee4061a6cebfebfa1b12df35263f.dll
Size

200KB
MD5

382e41beca92978ccccf0a61ac55c9de
SHA1

9547e9df034f67966c3318e14b6c09244893a102
SHA256

a6f86629c019681317720da4201d667f3215ee4061a6cebfebfa1b12df35263f
SHA512

f957102e693eeef5646a8e3c55c7904d3a23d56d821385374190b7f6713e26fdf892dbce2a1235ef0b2e1daa5c1e8fff668eec04d24a5fa3693de7aed6c266f6
SSDEEP

6144:vukYWCETm5kGEiSQ47x6naOe0HjkVUGARtjk1jQG:vukphTjGwB7SaOeCeUGYiEG

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
2060	regsvr32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
2608	regsvr32.exe
2608	regsvr32.exe
2060	regsvr32mgr.exe
2060	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/2060-13-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/2060-17-0x0000000000400000-0x000000000046C000-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\{F4A7B79D-4473-4C4F-8F26-E240BFEDB72A}\NumMethods\ = "33"	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\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\NumMethods\ = "18"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F4A7B79D-4473-4C4F-8F26-E240BFEDB72A}	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	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface	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\{FC8869C0-D263-49FE-BF43-4682BF7EA183}\ = "IDxvaConfig"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FC8869C0-D263-49FE-BF43-4682BF7EA183}\NumMethods\ = "5"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{66AA0EC6-10E5-494C-AE9B-5541264CE597}\ProxyStubClsid32\ = "{509C4001-13C5-11D5-8F2A-0080C84E9C39}"	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\{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}\ProxyStubClsid32	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\{66AA0EC6-10E5-494C-AE9B-5541264CE597}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a6f86629c019681317720da4201d667f3215ee4061a6cebfebfa1b12df35263f.dll"	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}\NumMethods\ = "24"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{509C4001-13C5-11D5-8F2A-0080C84E9C39}	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\{509C4001-13C5-11D5-8F2A-0080C84E9C39}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E972830F-9A57-49D4-90A0-D3D289C71CF2}\ = "IVideoSet2"	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}\NumMethods	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\CLSID\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\ = "PSFactoryBuffer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\ = "IVideoSet"	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}\NumMethods	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F4A7B79D-4473-4C4F-8F26-E240BFEDB72A}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{66AA0EC6-10E5-494C-AE9B-5541264CE597}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{66AA0EC6-10E5-494C-AE9B-5541264CE597}\NumMethods\ = "47"	regsvr32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 2608	2592	regsvr32.exe	30
PID 2592 wrote to memory of 2608	2592	regsvr32.exe	30
PID 2592 wrote to memory of 2608	2592	regsvr32.exe	30
PID 2592 wrote to memory of 2608	2592	regsvr32.exe	30
PID 2592 wrote to memory of 2608	2592	regsvr32.exe	30
PID 2592 wrote to memory of 2608	2592	regsvr32.exe	30
PID 2592 wrote to memory of 2608	2592	regsvr32.exe	30
PID 2608 wrote to memory of 2060	2608	regsvr32.exe	31
PID 2608 wrote to memory of 2060	2608	regsvr32.exe	31
PID 2608 wrote to memory of 2060	2608	regsvr32.exe	31
PID 2608 wrote to memory of 2060	2608	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a6f86629c019681317720da4201d667f3215ee4061a6cebfebfa1b12df35263f.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2592
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a6f86629c019681317720da4201d667f3215ee4061a6cebfebfa1b12df35263f.dll
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2608
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2060

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\~TM9405.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM9426.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/2060-10-0x0000000001E00000-0x0000000001F00000-memory.dmp

Filesize
1024KB

Download
memory/2060-13-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2060-17-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2608-1-0x0000000010000000-0x0000000010032000-memory.dmp

Filesize
200KB

Download