ramnit | 0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4

General

Target

0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4.exe
Size

800KB
MD5

229ef6c491a4e2acffb23d47da2a2c5a
SHA1

4740a7672eb26001b987d58d846b96e8d65ba194
SHA256

0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4
SHA512

3f463901b422a661a112416c46749e98b9f7ce5152c95e4a81f9298b1dd315c19b338f5f1cf025e1ba167555c5fe3528830964106d5a6d88a89ed7f452731c3a

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:

0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exeDesktopLayer.exe

pid process

2024 0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe
1408 DesktopLayer.exe

pid	process
2024	0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe
1408	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\0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe	upx
\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/2024-63-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/1408-66-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4.exe0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe

pid	process
1376	0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4.exe
2024	0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe

Drops file in Program Files directory 3 IoCs

Processes:

0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\pxEC62.tmp	0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.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\Toolbar\WebBrowser	iexplore.exe
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\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\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	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\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\DomainSuggestion\FileNames\	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\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{116C3371-F41F-11EC-BE51-F60B165D620F} = "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\IntelliForms	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\Recovery\AdminActive	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\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	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
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "362882465"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer.exe

pid process

1408 DesktopLayer.exe
1408 DesktopLayer.exe
1408 DesktopLayer.exe
1408 DesktopLayer.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4.exeiexplore.exe

pid process

1376 0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4.exe
1696 iexplore.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4.exe

pid process

1376 0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1696 iexplore.exe
1696 iexplore.exe
1332 IEXPLORE.EXE
1332 IEXPLORE.EXE
1332 IEXPLORE.EXE
1332 IEXPLORE.EXE

pid	process
1408	DesktopLayer.exe
1408	DesktopLayer.exe
1408	DesktopLayer.exe
1408	DesktopLayer.exe

pid	process
1696	iexplore.exe
1696	iexplore.exe
1332	IEXPLORE.EXE
1332	IEXPLORE.EXE
1332	IEXPLORE.EXE
1332	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4.exe0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1376 wrote to memory of 2024	1376	0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4.exe	0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe
PID 1376 wrote to memory of 2024	1376	0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4.exe	0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe
PID 1376 wrote to memory of 2024	1376	0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4.exe	0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe
PID 1376 wrote to memory of 2024	1376	0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4.exe	0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe
PID 2024 wrote to memory of 1408	2024	0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe	DesktopLayer.exe
PID 2024 wrote to memory of 1408	2024	0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe	DesktopLayer.exe
PID 2024 wrote to memory of 1408	2024	0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe	DesktopLayer.exe
PID 2024 wrote to memory of 1408	2024	0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe	DesktopLayer.exe
PID 1408 wrote to memory of 1696	1408	DesktopLayer.exe	iexplore.exe
PID 1408 wrote to memory of 1696	1408	DesktopLayer.exe	iexplore.exe
PID 1408 wrote to memory of 1696	1408	DesktopLayer.exe	iexplore.exe
PID 1408 wrote to memory of 1696	1408	DesktopLayer.exe	iexplore.exe
PID 1696 wrote to memory of 1332	1696	iexplore.exe	IEXPLORE.EXE
PID 1696 wrote to memory of 1332	1696	iexplore.exe	IEXPLORE.EXE
PID 1696 wrote to memory of 1332	1696	iexplore.exe	IEXPLORE.EXE
PID 1696 wrote to memory of 1332	1696	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4.exe
"C:\Users\Admin\AppData\Local\Temp\0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1376

C:\Users\Admin\AppData\Local\Temp\0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe
C:\Users\Admin\AppData\Local\Temp\0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2024

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:1408

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:1696

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1696 CREDAT:275457 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1332

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

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\0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\31GCF8S1.txt
Filesize
589B

MD5
79689bf25788d9eba6261263d86eabf9

SHA1
513a7ddae3c6a433e210b292b75f04ba3a80e532

SHA256
a4e99aae0e7f35d80697af8a8b6e1f66baeeb28951e9b7f3fc04a4bdeea5c297

SHA512
2453f380eb0850c9faee6dbb25ac6a64ab1d3167eeb18d8c6f9a2dd39daf88e0ea5bf99e8ea58f6fd44298a43c099cc050a664c2a3b621ddedfb06866271deca

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\0f1e3f55380d17ea4c6e58fbe69ca63ed0c6acec19c59a610d5cc1f3fe0e91f4Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1376-54-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

Filesize
8KB

Download
memory/1376-67-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/1376-68-0x0000000000150000-0x000000000017E000-memory.dmp

Filesize
184KB

Download
memory/1376-69-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/1376-70-0x0000000000150000-0x000000000017E000-memory.dmp

Filesize
184KB

Download
memory/1408-61-0x0000000000000000-mapping.dmp

Download
memory/1408-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2024-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2024-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads