ramnit | a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343

General

Target

a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343.exe
Size

109KB
MD5

edce2cc71d3f15067f26fef2a7691c21
SHA1

9b04561ceeee7c82834205ee0f76dd069c70b2ae
SHA256

a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343
SHA512

c3e29b3a75eef16cfe345a8188de8a56385ebbdf446b881d90c7e6ca6244257fbffea517521494f495da7d41474f524a4ae79bb45ac1fd7edeb2a3846058a17c

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:

a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exeDesktopLayer.exe

pid process

1672 a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe
1056 DesktopLayer.exe

pid	process
1672	a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe
1056	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe	upx
behavioral1/memory/1672-60-0x0000000000400000-0x000000000042E000-memory.dmp	upx
\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/1056-66-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343.exea9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe

pid	process
740	a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343.exe
1672	a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe

Drops file in Program Files directory 3 IoCs

Processes:

a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxC919.tmp	a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.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-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "353354825"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{CC51E171-9D77-11EC-8657-C64E4713EE09} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer.exe

pid process

1056 DesktopLayer.exe
1056 DesktopLayer.exe
1056 DesktopLayer.exe
1056 DesktopLayer.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

460 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

460 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

460 iexplore.exe
460 iexplore.exe
1544 IEXPLORE.EXE
1544 IEXPLORE.EXE
1544 IEXPLORE.EXE
1544 IEXPLORE.EXE

pid	process
1056	DesktopLayer.exe
1056	DesktopLayer.exe
1056	DesktopLayer.exe
1056	DesktopLayer.exe

pid	process
460	iexplore.exe

pid	process
460	iexplore.exe

pid	process
460	iexplore.exe
460	iexplore.exe
1544	IEXPLORE.EXE
1544	IEXPLORE.EXE
1544	IEXPLORE.EXE
1544	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343.exea9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 740 wrote to memory of 1672	740	a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343.exe	a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe
PID 740 wrote to memory of 1672	740	a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343.exe	a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe
PID 740 wrote to memory of 1672	740	a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343.exe	a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe
PID 740 wrote to memory of 1672	740	a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343.exe	a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe
PID 1672 wrote to memory of 1056	1672	a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe	DesktopLayer.exe
PID 1672 wrote to memory of 1056	1672	a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe	DesktopLayer.exe
PID 1672 wrote to memory of 1056	1672	a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe	DesktopLayer.exe
PID 1672 wrote to memory of 1056	1672	a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe	DesktopLayer.exe
PID 1056 wrote to memory of 460	1056	DesktopLayer.exe	iexplore.exe
PID 1056 wrote to memory of 460	1056	DesktopLayer.exe	iexplore.exe
PID 1056 wrote to memory of 460	1056	DesktopLayer.exe	iexplore.exe
PID 1056 wrote to memory of 460	1056	DesktopLayer.exe	iexplore.exe
PID 460 wrote to memory of 1544	460	iexplore.exe	IEXPLORE.EXE
PID 460 wrote to memory of 1544	460	iexplore.exe	IEXPLORE.EXE
PID 460 wrote to memory of 1544	460	iexplore.exe	IEXPLORE.EXE
PID 460 wrote to memory of 1544	460	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343.exe
"C:\Users\Admin\AppData\Local\Temp\a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:740

C:\Users\Admin\AppData\Local\Temp\a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe
C:\Users\Admin\AppData\Local\Temp\a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1672

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:1056

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
4⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:460

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:460 CREDAT:275457 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1544

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

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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:\Users\Admin\AppData\Local\Temp\a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\FSLSRNK9.txt
MD5
b308cdd7ec5cdee475e5d5bf70a9e1e7

SHA1
1229791a2e3a8ea792ef37292b1b48f087137a5c

SHA256
3ec291d9b2c92a4b0a6ab5a6b00f38d162b6f672794ba40b9c5a8d2c63ecd1a9

SHA512
a3bcbcc37932d57a3e8c34ba541cdd7e1606e3df25307def2d30cd8948d66891001f0aa2e8dddb0a85c313dae337dc17cd98e73f4841138e2c9db72586cc0319

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

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Users\Admin\AppData\Local\Temp\a9f9d2504799cea438d5a32e9370153911f615939d240c74ec15be0f40992343Srv.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/740-54-0x0000000075321000-0x0000000075323000-memory.dmp

Filesize
8KB

Download
memory/1056-65-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1056-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1056-67-0x0000000077810000-0x0000000077990000-memory.dmp

Filesize
1.5MB

Download
memory/1672-60-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1672-59-0x00000000001C0000-0x00000000001CF000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads