ramnit | 34ea68b8114e4001538df857659f91eaf929486e732b85a41972389ca0e1f594

General

Target

0560fd5f11f8cfe8060b1cccb44d49f7.dll
Size

667KB
MD5

0560fd5f11f8cfe8060b1cccb44d49f7
SHA1

87643b556f1557173677c54b3854ed1144236cfc
SHA256

34ea68b8114e4001538df857659f91eaf929486e732b85a41972389ca0e1f594
SHA512

bac7462d903b10373524c319504e97da48dd4fd9f43e6349c4255cd830fa128f13846f750fc018bbe7bd3ce0e85d2f422b09da10995aadb9d19e71317956c5cc
SSDEEP

12288:2scuWja/7ff/RwkK04Vve+u5spKZQdyxMfgjR:pOja/7ff/RVKReOc

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 2 IoCs

pid	Process
4500	regsvr32Srv.exe
1392	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1392-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1392-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4500-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4500-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000200000001fafe-2.dat	upx

Drops file in System32 directory 1 IoCs

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

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px4D74.tmp	regsvr32Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	regsvr32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	regsvr32Srv.exe

Modifies Internet Explorer settings 1 TTPs 6 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{A38336D6-A6F3-11EE-9963-5A16FF4F52D9} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe

Modifies registry class 26 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\ = "dia 2.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BCE36434-2C24-499E-BF49-8BD99B0EEB68}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0560fd5f11f8cfe8060b1cccb44d49f7.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BCE36434-2C24-499E-BF49-8BD99B0EEB68}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FBD5EC4-B8E4-4D94-9EFE-7CCAF9132C98}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{37DFDBCC-40A5-4F4A-8523-123C746D38F0}\ = "Generic StackWalker"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{37DFDBCC-40A5-4F4A-8523-123C746D38F0}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BCE36434-2C24-499E-BF49-8BD99B0EEB68}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FBD5EC4-B8E4-4D94-9EFE-7CCAF9132C98}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0560fd5f11f8cfe8060b1cccb44d49f7.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{37DFDBCC-40A5-4F4A-8523-123C746D38F0}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0560fd5f11f8cfe8060b1cccb44d49f7.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BCE36434-2C24-499E-BF49-8BD99B0EEB68}\ = "Debug Information Accessor"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BCE36434-2C24-499E-BF49-8BD99B0EEB68}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{37DFDBCC-40A5-4F4A-8523-123C746D38F0}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0560fd5f11f8cfe8060b1cccb44d49f7.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000_Classes\WOW6432Node\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FBD5EC4-B8E4-4D94-9EFE-7CCAF9132C98}\ = "Debug Information Accessor w/o Global Memory Usage"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FBD5EC4-B8E4-4D94-9EFE-7CCAF9132C98}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FBD5EC4-B8E4-4D94-9EFE-7CCAF9132C98}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{37DFDBCC-40A5-4F4A-8523-123C746D38F0}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\FLAGS	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1392	DesktopLayer.exe
1392	DesktopLayer.exe
1392	DesktopLayer.exe
1392	DesktopLayer.exe
1392	DesktopLayer.exe
1392	DesktopLayer.exe
1392	DesktopLayer.exe
1392	DesktopLayer.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3680	iexplore.exe
3680	iexplore.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1500 wrote to memory of 3084	1500	regsvr32.exe	16
PID 1500 wrote to memory of 3084	1500	regsvr32.exe	16
PID 1500 wrote to memory of 3084	1500	regsvr32.exe	16
PID 3084 wrote to memory of 4500	3084	regsvr32.exe	25
PID 3084 wrote to memory of 4500	3084	regsvr32.exe	25
PID 3084 wrote to memory of 4500	3084	regsvr32.exe	25
PID 4500 wrote to memory of 1392	4500	regsvr32Srv.exe	24
PID 4500 wrote to memory of 1392	4500	regsvr32Srv.exe	24
PID 4500 wrote to memory of 1392	4500	regsvr32Srv.exe	24
PID 1392 wrote to memory of 3680	1392	DesktopLayer.exe	21
PID 1392 wrote to memory of 3680	1392	DesktopLayer.exe	21
PID 3680 wrote to memory of 1444	3680	iexplore.exe	19
PID 3680 wrote to memory of 1444	3680	iexplore.exe	19
PID 3680 wrote to memory of 1444	3680	iexplore.exe	19

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\0560fd5f11f8cfe8060b1cccb44d49f7.dll
1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3084
- C:\Windows\SysWOW64\regsvr32Srv.exe
  C:\Windows\SysWOW64\regsvr32Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:4500

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0560fd5f11f8cfe8060b1cccb44d49f7.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1500

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3680 CREDAT:17410 /prefetch:2
1⤵
PID:1444

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3680

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\regsvr32Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1392-18-0x0000000077902000-0x0000000077903000-memory.dmp

Filesize
4KB

Download
memory/1392-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1392-17-0x0000000077902000-0x0000000077903000-memory.dmp

Filesize
4KB

Download
memory/1392-15-0x0000000000520000-0x000000000052F000-memory.dmp

Filesize
60KB

Download
memory/1392-13-0x0000000001F10000-0x0000000001F11000-memory.dmp

Filesize
4KB

Download
memory/1392-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3084-3-0x0000000010370000-0x000000001041C000-memory.dmp

Filesize
688KB

Download
memory/4500-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4500-6-0x0000000000590000-0x000000000059F000-memory.dmp

Filesize
60KB

Download
memory/4500-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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