ramnit | 857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74

General

Target

857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74.exe
Size

325KB
MD5

77bbb5e6a85642cb111f909c91234099
SHA1

9cab825b30a018574889dc7952ff7c03de928495
SHA256

857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74
SHA512

dd49355a5aa1cd2ba10c028741ed26e574963ee858bebaa92735dd6d297458de7b8458cebbabf9d53be77b5ad0d4aabe2f88bbf2cb211571318ee606b8263d50

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:

857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exeDesktopLayer.exe

pid process

828 857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe
1172 DesktopLayer.exe

pid	process
828	857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe
1172	DesktopLayer.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe	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/828-75-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74.exe857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe

pid	process
1652	857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74.exe
828	857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe

Drops file in Program Files directory 3 IoCs

Processes:

857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px79A2.tmp	857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{89CF8CE1-AD6D-11EB-AC6C-72DE1B3474B2} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "326962134"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer.exe

pid process

1172 DesktopLayer.exe
1172 DesktopLayer.exe
1172 DesktopLayer.exe
1172 DesktopLayer.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1980 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1980 iexplore.exe
1980 iexplore.exe
1592 IEXPLORE.EXE
1592 IEXPLORE.EXE
1592 IEXPLORE.EXE
1592 IEXPLORE.EXE

pid	process
1172	DesktopLayer.exe
1172	DesktopLayer.exe
1172	DesktopLayer.exe
1172	DesktopLayer.exe

pid	process
1980	iexplore.exe

pid	process
1980	iexplore.exe
1980	iexplore.exe
1592	IEXPLORE.EXE
1592	IEXPLORE.EXE
1592	IEXPLORE.EXE
1592	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74.exe857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1652 wrote to memory of 828	1652	857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74.exe	857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe
PID 1652 wrote to memory of 828	1652	857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74.exe	857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe
PID 1652 wrote to memory of 828	1652	857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74.exe	857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe
PID 1652 wrote to memory of 828	1652	857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74.exe	857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe
PID 828 wrote to memory of 1172	828	857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe	DesktopLayer.exe
PID 828 wrote to memory of 1172	828	857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe	DesktopLayer.exe
PID 828 wrote to memory of 1172	828	857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe	DesktopLayer.exe
PID 828 wrote to memory of 1172	828	857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe	DesktopLayer.exe
PID 1172 wrote to memory of 1980	1172	DesktopLayer.exe	iexplore.exe
PID 1172 wrote to memory of 1980	1172	DesktopLayer.exe	iexplore.exe
PID 1172 wrote to memory of 1980	1172	DesktopLayer.exe	iexplore.exe
PID 1172 wrote to memory of 1980	1172	DesktopLayer.exe	iexplore.exe
PID 1980 wrote to memory of 1592	1980	iexplore.exe	IEXPLORE.EXE
PID 1980 wrote to memory of 1592	1980	iexplore.exe	IEXPLORE.EXE
PID 1980 wrote to memory of 1592	1980	iexplore.exe	IEXPLORE.EXE
PID 1980 wrote to memory of 1592	1980	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74.exe
"C:\Users\Admin\AppData\Local\Temp\857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1652

C:\Users\Admin\AppData\Local\Temp\857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe
C:\Users\Admin\AppData\Local\Temp\857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:828

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:1172

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:1980

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1980 CREDAT:275457 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1592

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

Replay Monitor

Loading Replay Monitor...

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\857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\5YP0VE3F.txt
MD5
2d512071ca9f83a28ec3aa505da03c7f

SHA1
9130bc983fc5d9cf557bcdf25be79e68d0974761

SHA256
bd6f24bf564c33cb88e7d490df62a3b0a572a8630884f0d8852f87ace623d59a

SHA512
8e0c6bea6822cbc0f1e81f234f4d446f037f63c92c6a3abb90b6b83d0c8eaba43419ad4d31f567d9ca5c405041a63e1041f07d35f61d04f3eac9e2b4f49ffe25

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

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Users\Admin\AppData\Local\Temp\857d908eafb6e1260343a1ee7e23d19b031a46efec68977062caeeb73765fc74Srv.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/828-74-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/828-62-0x0000000000000000-mapping.dmp

Download
memory/828-75-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1172-67-0x0000000000000000-mapping.dmp

Download
memory/1172-71-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1592-79-0x0000000000000000-mapping.dmp

Download
memory/1652-76-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1652-60-0x00000000754F1000-0x00000000754F3000-memory.dmp

Filesize
8KB

Download
memory/1980-73-0x000007FEFB6A1000-0x000007FEFB6A3000-memory.dmp

Filesize
8KB

Download
memory/1980-80-0x0000000004370000-0x0000000004371000-memory.dmp

Filesize
4KB

Download
memory/1980-72-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads