ramnit | f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92

General

Target

f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92.exe
Size

2.2MB
MD5

1dc4243c8c39d2d517e5dee12c09abf4
SHA1

33d31db1e34d6f0f63abe4cbe62913b34f4517a7
SHA256

f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92
SHA512

bde9761291a98bb5733a64ba2b4938b20e368e8f353d1238981498e5af97e17ff81d4944d479ac1e346432da5187f861fa56be46a2f7501ccc2cc93668b18bb6

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:

f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exeDesktopLayer.exe

pid process

1004 f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe
1696 DesktopLayer.exe

pid	process
1004	f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe
1696	DesktopLayer.exe

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe	upx
behavioral1/memory/1492-61-0x00000000001E0000-0x000000000020E000-memory.dmp	upx
behavioral1/memory/1004-62-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1004-63-0x0000000000230000-0x000000000023F000-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/1696-70-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1696-71-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92.exef3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe

pid	process
1492	f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92.exe
1004	f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe

Drops file in Program Files directory 3 IoCs

Processes:

f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px4857.tmp	f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{D3F8CAA0-F45D-11EC-BE51-F60B165D620F} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "362909422"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer.exe

pid process

1696 DesktopLayer.exe
1696 DesktopLayer.exe
1696 DesktopLayer.exe
1696 DesktopLayer.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1692 iexplore.exe

pid	process
1696	DesktopLayer.exe
1696	DesktopLayer.exe
1696	DesktopLayer.exe
1696	DesktopLayer.exe

pid	process
1692	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92.exeiexplore.exeIEXPLORE.EXE

pid	process
1492	f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92.exe
1492	f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92.exe
1692	iexplore.exe
1692	iexplore.exe
824	IEXPLORE.EXE
824	IEXPLORE.EXE
824	IEXPLORE.EXE
824	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92.exef3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1492 wrote to memory of 1004	1492	f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92.exe	f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe
PID 1492 wrote to memory of 1004	1492	f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92.exe	f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe
PID 1492 wrote to memory of 1004	1492	f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92.exe	f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe
PID 1492 wrote to memory of 1004	1492	f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92.exe	f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe
PID 1004 wrote to memory of 1696	1004	f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe	DesktopLayer.exe
PID 1004 wrote to memory of 1696	1004	f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe	DesktopLayer.exe
PID 1004 wrote to memory of 1696	1004	f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe	DesktopLayer.exe
PID 1004 wrote to memory of 1696	1004	f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe	DesktopLayer.exe
PID 1696 wrote to memory of 1692	1696	DesktopLayer.exe	iexplore.exe
PID 1696 wrote to memory of 1692	1696	DesktopLayer.exe	iexplore.exe
PID 1696 wrote to memory of 1692	1696	DesktopLayer.exe	iexplore.exe
PID 1696 wrote to memory of 1692	1696	DesktopLayer.exe	iexplore.exe
PID 1692 wrote to memory of 824	1692	iexplore.exe	IEXPLORE.EXE
PID 1692 wrote to memory of 824	1692	iexplore.exe	IEXPLORE.EXE
PID 1692 wrote to memory of 824	1692	iexplore.exe	IEXPLORE.EXE
PID 1692 wrote to memory of 824	1692	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92.exe
"C:\Users\Admin\AppData\Local\Temp\f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1492

C:\Users\Admin\AppData\Local\Temp\f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe
C:\Users\Admin\AppData\Local\Temp\f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1004

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:1696

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:1692

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1692 CREDAT:275457 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:824

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
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\f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\3GJX4UHU.txt
Filesize
603B

MD5
5574289b22327d0f4fe4168e28dae03c

SHA1
d498026ebec6716948bd2da9efcf46a9cee6536c

SHA256
ea4555ac353da825720f9e6890a802fe9097ba9148dcb1bd52d71e9a42b1d06c

SHA512
42aee2b415b00abd0bfdf496081813049c0055a3f548491f599190fafea0b35bf4523b2126d31a8899bdf44646d0afe46afa5cd2e9551de22670a62e144d59c7

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\f3abcc258143d2a399f92aa58531fd2c13e5d16c7fa7ea351d08108a5b35da92Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1004-62-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1004-63-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/1004-57-0x0000000000000000-mapping.dmp

Download
memory/1492-61-0x00000000001E0000-0x000000000020E000-memory.dmp

Filesize
184KB

Download
memory/1492-55-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

Filesize
8KB

Download
memory/1492-72-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/1492-73-0x00000000001E0000-0x000000000020E000-memory.dmp

Filesize
184KB

Download
memory/1492-54-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/1696-65-0x0000000000000000-mapping.dmp

Download
memory/1696-69-0x00000000001C0000-0x00000000001CF000-memory.dmp

Filesize
60KB

Download
memory/1696-70-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1696-71-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads