ramnit | 57bc0df44cdd059fb169f6754d1065d9f639d8c78f126fe4f3acc7a9811841e5

General

Target

57bc0df44cdd059fb169f6754d1065d9f639d8c78f126fe4f3acc7a9811841e5.dll
Size

3.7MB
MD5

bfdd804c8e727b5ca53fd6d859a9975a
SHA1

23e0aaf72c3d10374942d58d42bcf5e35be2a92e
SHA256

57bc0df44cdd059fb169f6754d1065d9f639d8c78f126fe4f3acc7a9811841e5
SHA512

b851d60b2a7e60526a4006a25090d282bbef88064c8fb4bb59159cc3672af4ac93ee50cc0c68072f93555efab83723da38444918302a5e4c95fff57da525d929

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

324 rundll32Srv.exe
772 DesktopLayer.exe

pid	process
324	rundll32Srv.exe
772	DesktopLayer.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
\Windows\SysWOW64\rundll32Srv.exe	upx
behavioral1/memory/1504-58-0x00000000001A0000-0x00000000001CE000-memory.dmp	upx
C:\Windows\SysWOW64\rundll32Srv.exe	upx
C:\Windows\SysWOW64\rundll32Srv.exe	upx
\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/324-65-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/772-69-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

rundll32.exerundll32Srv.exe

pid process

1504 rundll32.exe
324 rundll32Srv.exe
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 opened for modification	C:\Program Files (x86)\Microsoft\px4EFB.tmp	rundll32Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.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	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\Recovery\AdminActive	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\FileNames	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\WindowsSearch\Version = "WS not running"	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\DomainSuggestion\FileNames\	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\DomainSuggestion	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\IETld\LowMic	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\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Toolbar	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 (int)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{D66A2471-ED6C-11EC-AFA4-F2A7A8855ABA} = "0"	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\LowRegistry\DontShowMeThisDialogAgain	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\IntelliForms	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\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "362146213"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

rundll32.exeDesktopLayer.exe

pid	process
1504	rundll32.exe
1504	rundll32.exe
772	DesktopLayer.exe
772	DesktopLayer.exe
772	DesktopLayer.exe
772	DesktopLayer.exe
1504	rundll32.exe
1504	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

rundll32.exe

description pid process

Token: SeDebugPrivilege 1504 rundll32.exe
Token: SeDebugPrivilege 1504 rundll32.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1728 iexplore.exe

description	pid	process
Token: SeDebugPrivilege	1504	rundll32.exe
Token: SeDebugPrivilege	1504	rundll32.exe

pid	process
1728	iexplore.exe

Suspicious use of SetWindowsHookEx 49 IoCs

Processes:

rundll32.exeiexplore.exeIEXPLORE.EXE

pid	process
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1728	iexplore.exe
1728	iexplore.exe
1688	IEXPLORE.EXE
1688	IEXPLORE.EXE
1688	IEXPLORE.EXE
1688	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 676 wrote to memory of 1504	676	rundll32.exe	rundll32.exe
PID 676 wrote to memory of 1504	676	rundll32.exe	rundll32.exe
PID 676 wrote to memory of 1504	676	rundll32.exe	rundll32.exe
PID 676 wrote to memory of 1504	676	rundll32.exe	rundll32.exe
PID 676 wrote to memory of 1504	676	rundll32.exe	rundll32.exe
PID 676 wrote to memory of 1504	676	rundll32.exe	rundll32.exe
PID 676 wrote to memory of 1504	676	rundll32.exe	rundll32.exe
PID 1504 wrote to memory of 324	1504	rundll32.exe	rundll32Srv.exe
PID 1504 wrote to memory of 324	1504	rundll32.exe	rundll32Srv.exe
PID 1504 wrote to memory of 324	1504	rundll32.exe	rundll32Srv.exe
PID 1504 wrote to memory of 324	1504	rundll32.exe	rundll32Srv.exe
PID 324 wrote to memory of 772	324	rundll32Srv.exe	DesktopLayer.exe
PID 324 wrote to memory of 772	324	rundll32Srv.exe	DesktopLayer.exe
PID 324 wrote to memory of 772	324	rundll32Srv.exe	DesktopLayer.exe
PID 324 wrote to memory of 772	324	rundll32Srv.exe	DesktopLayer.exe
PID 772 wrote to memory of 1728	772	DesktopLayer.exe	iexplore.exe
PID 772 wrote to memory of 1728	772	DesktopLayer.exe	iexplore.exe
PID 772 wrote to memory of 1728	772	DesktopLayer.exe	iexplore.exe
PID 772 wrote to memory of 1728	772	DesktopLayer.exe	iexplore.exe
PID 1728 wrote to memory of 1688	1728	iexplore.exe	IEXPLORE.EXE
PID 1728 wrote to memory of 1688	1728	iexplore.exe	IEXPLORE.EXE
PID 1728 wrote to memory of 1688	1728	iexplore.exe	IEXPLORE.EXE
PID 1728 wrote to memory of 1688	1728	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\57bc0df44cdd059fb169f6754d1065d9f639d8c78f126fe4f3acc7a9811841e5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:676

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\57bc0df44cdd059fb169f6754d1065d9f639d8c78f126fe4f3acc7a9811841e5.dll,#1
2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1504

C:\Windows\SysWOW64\rundll32Srv.exe
C:\Windows\SysWOW64\rundll32Srv.exe
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:324

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:772

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
5⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1728

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1728 CREDAT:275457 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1688

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\Roaming\Microsoft\Windows\Cookies\TBCP2LA3.txt
Filesize
603B

MD5
d36850a5b623473ee0fc62764d681d4d

SHA1
62999d5c6a8fc0f907cd5598f4322f4d8c0864b3

SHA256
df82088f1cc66b8b597b9e0ed37dd6c3fda5c19922510b8f80b1939d1fec0f84

SHA512
22d73ff5f096ea77e72b7a41dc75620f0a5b9410447321a061a4768b7e2448a0220981fa0046e8de0740e0496f82c3a4b552c145b36ae05c1c741475c5b856b2

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

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

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Windows\SysWOW64\rundll32Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/324-59-0x0000000000000000-mapping.dmp

Download
memory/324-65-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/772-64-0x0000000000000000-mapping.dmp

Download
memory/772-69-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1504-54-0x0000000000000000-mapping.dmp

Download
memory/1504-58-0x00000000001A0000-0x00000000001CE000-memory.dmp

Filesize
184KB

Download
memory/1504-57-0x0000000010000000-0x00000000103DA000-memory.dmp

Filesize
3.9MB

Download
memory/1504-70-0x0000000010000000-0x00000000103DA000-memory.dmp

Filesize
3.9MB

Download
memory/1504-55-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads