ramnit | 7fe6b787868fafb5d167df1237f9bef91c477b747c1075550428279c593507f5

General

Target

7fe6b787868fafb5d167df1237f9bef91c477b747c1075550428279c593507f5.dll
Size

303KB
MD5

3d7c36772f6b118c0a20baf92508fb24
SHA1

a57afe3d10ee16d8d6e459d345eb27fcf2cfdb1b
SHA256

7fe6b787868fafb5d167df1237f9bef91c477b747c1075550428279c593507f5
SHA512

b2fcff9f76b2e2568cbeb2e8bde5b5ba4adfe711b6a6163c6a0098ded1b91b2014266d0a73755302c71a1524493d9a9832ad15f6363ea579c1bce03e9ba895f0

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:

rundll32Srv.exeDesktopLayer.exe

pid process

1584 rundll32Srv.exe
1616 DesktopLayer.exe

pid	process
1584	rundll32Srv.exe
1616	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
C:\Windows\SysWOW64\rundll32Srv.exe	upx
C:\Windows\SysWOW64\rundll32Srv.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/1584-124-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File created C:\Windows\SysWOW64\rundll32Srv.exe rundll32.exe

description	ioc	process
File created	C:\Windows\SysWOW64\rundll32Srv.exe	rundll32.exe

Drops file in Program Files directory 3 IoCs

Processes:

rundll32Srv.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px6D17.tmp	rundll32Srv.exe

Checks processor information in registry 2 TTPs 8 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 17 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{2E7AAAF8-B680-11EB-B2DB-5210EA48215F} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate\NextUpdateDate = "327356660"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327356603"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "327356772"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

DesktopLayer.exerundll32.exe

pid	process
1616	DesktopLayer.exe
1616	DesktopLayer.exe
1616	DesktopLayer.exe
1616	DesktopLayer.exe
1616	DesktopLayer.exe
1616	DesktopLayer.exe
1616	DesktopLayer.exe
1616	DesktopLayer.exe
3008	rundll32.exe
3008	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

2300 iexplore.exe

pid	process
2300	iexplore.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

Processes:

rundll32.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3008	rundll32.exe
Token: SeSecurityPrivilege	3008	rundll32.exe
Token: SeTakeOwnershipPrivilege	3008	rundll32.exe
Token: SeLoadDriverPrivilege	3008	rundll32.exe
Token: SeSystemProfilePrivilege	3008	rundll32.exe
Token: SeSystemtimePrivilege	3008	rundll32.exe
Token: SeProfSingleProcessPrivilege	3008	rundll32.exe
Token: SeIncBasePriorityPrivilege	3008	rundll32.exe
Token: SeCreatePagefilePrivilege	3008	rundll32.exe
Token: SeBackupPrivilege	3008	rundll32.exe
Token: SeRestorePrivilege	3008	rundll32.exe
Token: SeShutdownPrivilege	3008	rundll32.exe
Token: SeDebugPrivilege	3008	rundll32.exe
Token: SeSystemEnvironmentPrivilege	3008	rundll32.exe
Token: SeRemoteShutdownPrivilege	3008	rundll32.exe
Token: SeUndockPrivilege	3008	rundll32.exe
Token: SeManageVolumePrivilege	3008	rundll32.exe
Token: 33	3008	rundll32.exe
Token: 34	3008	rundll32.exe
Token: 35	3008	rundll32.exe
Token: 36	3008	rundll32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2300 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2300 iexplore.exe
2300 iexplore.exe
2912 IEXPLORE.EXE
2912 IEXPLORE.EXE
2912 IEXPLORE.EXE
2912 IEXPLORE.EXE

pid	process
2300	iexplore.exe

pid	process
2300	iexplore.exe
2300	iexplore.exe
2912	IEXPLORE.EXE
2912	IEXPLORE.EXE
2912	IEXPLORE.EXE
2912	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 3728 wrote to memory of 3008	3728	rundll32.exe	rundll32.exe
PID 3728 wrote to memory of 3008	3728	rundll32.exe	rundll32.exe
PID 3728 wrote to memory of 3008	3728	rundll32.exe	rundll32.exe
PID 3008 wrote to memory of 1584	3008	rundll32.exe	rundll32Srv.exe
PID 3008 wrote to memory of 1584	3008	rundll32.exe	rundll32Srv.exe
PID 3008 wrote to memory of 1584	3008	rundll32.exe	rundll32Srv.exe
PID 1584 wrote to memory of 1616	1584	rundll32Srv.exe	DesktopLayer.exe
PID 1584 wrote to memory of 1616	1584	rundll32Srv.exe	DesktopLayer.exe
PID 1584 wrote to memory of 1616	1584	rundll32Srv.exe	DesktopLayer.exe
PID 1616 wrote to memory of 2300	1616	DesktopLayer.exe	iexplore.exe
PID 1616 wrote to memory of 2300	1616	DesktopLayer.exe	iexplore.exe
PID 2300 wrote to memory of 2912	2300	iexplore.exe	IEXPLORE.EXE
PID 2300 wrote to memory of 2912	2300	iexplore.exe	IEXPLORE.EXE
PID 2300 wrote to memory of 2912	2300	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7fe6b787868fafb5d167df1237f9bef91c477b747c1075550428279c593507f5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3728

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7fe6b787868fafb5d167df1237f9bef91c477b747c1075550428279c593507f5.dll,#1
2⤵
- Drops file in System32 directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3008

C:\Windows\SysWOW64\rundll32Srv.exe
C:\Windows\SysWOW64\rundll32Srv.exe
3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1584

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1616

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
5⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2300

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2300 CREDAT:82945 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2912

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1584-124-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1584-115-0x0000000000000000-mapping.dmp

Download
memory/1584-123-0x00000000001E0000-0x00000000001EF000-memory.dmp

Filesize
60KB

Download
memory/1616-118-0x0000000000000000-mapping.dmp

Download
memory/1616-121-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2300-122-0x0000000000000000-mapping.dmp

Download
memory/2300-127-0x00007FFB8B3F0000-0x00007FFB8B45B000-memory.dmp

Filesize
428KB

Download
memory/2912-128-0x0000000000000000-mapping.dmp

Download
memory/3008-114-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads