ramnit | c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbe

General

Target

c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbe.exe
Size

829KB
MD5

e0a867c1368e0a0f7cee9f9304826945
SHA1

f179c0b49d3d3705d99697702ac5383ba018f30a
SHA256

c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbe
SHA512

ebee0a2f4ad1ee3b042befeb6f5351293fe7c376c2686c7ba0e2de9f5411532f20d0e9886c2254389b5cb51a1dcd75da56d1f61d78bbfe02239ec91fcb5c780e
SSDEEP

24576:Un+GIgqdJeXo7joesIeXE2zp8jvJUKGU99o:7OqdMXcTslE2zpSqKGUv

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

Processes:

c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exeDesktopLayer.exe

pid process

1708 c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe
764 DesktopLayer.exe

pid	process
1708	c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe
764	DesktopLayer.exe

UPX packed file 13 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe	upx
\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/1708-63-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/764-66-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1444-67-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1444-69-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1444-68-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1444-71-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1444-73-0x0000000000400000-0x0000000000CAF000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbe.exec8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe

pid	process
1444	c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbe.exe
1708	c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe

Drops file in Program Files directory 3 IoCs

Processes:

c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px7CE.tmp	c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376061527"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{F7173511-6BFB-11ED-BE8B-FAA138970F28} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer.exe

pid process

764 DesktopLayer.exe
764 DesktopLayer.exe
764 DesktopLayer.exe
764 DesktopLayer.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1304 iexplore.exe

pid	process
764	DesktopLayer.exe
764	DesktopLayer.exe
764	DesktopLayer.exe
764	DesktopLayer.exe

pid	process
1304	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbe.exeiexplore.exeIEXPLORE.EXE

pid	process
1444	c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbe.exe
1444	c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbe.exe
1304	iexplore.exe
1304	iexplore.exe
1644	IEXPLORE.EXE
1644	IEXPLORE.EXE
1644	IEXPLORE.EXE
1644	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbe.exec8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1444 wrote to memory of 1708	1444	c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbe.exe	c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe
PID 1444 wrote to memory of 1708	1444	c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbe.exe	c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe
PID 1444 wrote to memory of 1708	1444	c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbe.exe	c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe
PID 1444 wrote to memory of 1708	1444	c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbe.exe	c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe
PID 1708 wrote to memory of 764	1708	c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe	DesktopLayer.exe
PID 1708 wrote to memory of 764	1708	c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe	DesktopLayer.exe
PID 1708 wrote to memory of 764	1708	c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe	DesktopLayer.exe
PID 1708 wrote to memory of 764	1708	c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe	DesktopLayer.exe
PID 764 wrote to memory of 1304	764	DesktopLayer.exe	iexplore.exe
PID 764 wrote to memory of 1304	764	DesktopLayer.exe	iexplore.exe
PID 764 wrote to memory of 1304	764	DesktopLayer.exe	iexplore.exe
PID 764 wrote to memory of 1304	764	DesktopLayer.exe	iexplore.exe
PID 1304 wrote to memory of 1644	1304	iexplore.exe	IEXPLORE.EXE
PID 1304 wrote to memory of 1644	1304	iexplore.exe	IEXPLORE.EXE
PID 1304 wrote to memory of 1644	1304	iexplore.exe	IEXPLORE.EXE
PID 1304 wrote to memory of 1644	1304	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbe.exe
"C:\Users\Admin\AppData\Local\Temp\c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbe.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1444

C:\Users\Admin\AppData\Local\Temp\c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe
C:\Users\Admin\AppData\Local\Temp\c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1708

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:764

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1304

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1304 CREDAT:275457 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1644

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\8VMXEW69.txt
Filesize
608B

MD5
3bb567cc0aa66ea22041091ffb727186

SHA1
32517c9de5ff0e25ef5c9353ea9f1e5e43f8e402

SHA256
81a32ccbc0e71d28dd9ed203d6a093b9c089e1bd7a08fb0a425d728102a354a3

SHA512
dc4faf321c624fd350a9d6ac20ec079c404f553007477a5fa6d6281da66b9e70a8089493e7aa550e816b3e02607c71661ac1db03b08b1a21bb4cecf8f9f056b0

Download Submit
\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Users\Admin\AppData\Local\Temp\c8b846efff2b4e197a98be1a4dc35117725ee905c0f5b7e22c87183ce67f6dbeSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/764-61-0x0000000000000000-mapping.dmp

Download
memory/764-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1444-54-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/1444-67-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1444-69-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1444-68-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1444-71-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1444-74-0x00000000001B0000-0x00000000001DE000-memory.dmp

Filesize
184KB

Download
memory/1444-73-0x0000000000400000-0x0000000000CAF000-memory.dmp

Filesize
8.7MB

Download
memory/1444-75-0x00000000001B0000-0x00000000001DE000-memory.dmp

Filesize
184KB

Download
memory/1708-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1708-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads