ramnit | bdde1e74ef46863692bd6975af9203dffa21931c60dc29f01f3cf69f2093e35a

General

Target

RAMN2.vbs
Size

223KB
MD5

2b4d47e402af16e0094eec1e8fbeaf98
SHA1

40fdfbe617e8d6492712ed7c1bdefaecdb79fb30
SHA256

bdde1e74ef46863692bd6975af9203dffa21931c60dc29f01f3cf69f2093e35a
SHA512

7a8252eed1c0b0089fc56061d70149f5ed12992ea8d0f817d984cbfc3ad31c378f44eba1da833b9313b3757b3a7920a0dd7e9d7c427f528f8a11c1e9d1e5c162

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 3 IoCs

Processes:

svchost.exesvchostSrv.exeDesktopLayer.exe

pid process

3824 svchost.exe
4404 svchostSrv.exe
4364 DesktopLayer.exe

pid	process
3824	svchost.exe
4404	svchostSrv.exe
4364	DesktopLayer.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\svchost.exe	upx
C:\Users\Admin\AppData\Local\Temp\svchostSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\svchostSrv.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/4404-136-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/4364-138-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

WScript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	WScript.exe

Drops file in Program Files directory 3 IoCs

Processes:

svchostSrv.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	svchostSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	svchostSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px412D.tmp	svchostSrv.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1912 3824 WerFault.exe svchost.exe

pid	pid_target	process	target process
1912	3824	WerFault.exe	svchost.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-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3252018581"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "353839772"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30946797"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30946797"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3264832544"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3252018581"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{ED678E9B-A1E0-11EC-B9A4-E620F3DF43A3} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30946797"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
4364	DesktopLayer.exe
4364	DesktopLayer.exe
4364	DesktopLayer.exe
4364	DesktopLayer.exe
4364	DesktopLayer.exe
4364	DesktopLayer.exe
4364	DesktopLayer.exe
4364	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

4064 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

4064 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

4064 iexplore.exe
4064 iexplore.exe
1404 IEXPLORE.EXE
1404 IEXPLORE.EXE
1404 IEXPLORE.EXE
1404 IEXPLORE.EXE

pid	process
4064	iexplore.exe

pid	process
4064	iexplore.exe

pid	process
4064	iexplore.exe
4064	iexplore.exe
1404	IEXPLORE.EXE
1404	IEXPLORE.EXE
1404	IEXPLORE.EXE
1404	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

WScript.exesvchost.exesvchostSrv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 2608 wrote to memory of 3824	2608	WScript.exe	svchost.exe
PID 2608 wrote to memory of 3824	2608	WScript.exe	svchost.exe
PID 2608 wrote to memory of 3824	2608	WScript.exe	svchost.exe
PID 3824 wrote to memory of 4404	3824	svchost.exe	svchostSrv.exe
PID 3824 wrote to memory of 4404	3824	svchost.exe	svchostSrv.exe
PID 3824 wrote to memory of 4404	3824	svchost.exe	svchostSrv.exe
PID 4404 wrote to memory of 4364	4404	svchostSrv.exe	DesktopLayer.exe
PID 4404 wrote to memory of 4364	4404	svchostSrv.exe	DesktopLayer.exe
PID 4404 wrote to memory of 4364	4404	svchostSrv.exe	DesktopLayer.exe
PID 4364 wrote to memory of 4064	4364	DesktopLayer.exe	iexplore.exe
PID 4364 wrote to memory of 4064	4364	DesktopLayer.exe	iexplore.exe
PID 4064 wrote to memory of 1404	4064	iexplore.exe	IEXPLORE.EXE
PID 4064 wrote to memory of 1404	4064	iexplore.exe	IEXPLORE.EXE
PID 4064 wrote to memory of 1404	4064	iexplore.exe	IEXPLORE.EXE

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RAMN2.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2608

C:\Users\Admin\AppData\Local\Temp\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\svchost.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3824

C:\Users\Admin\AppData\Local\Temp\svchostSrv.exe
C:\Users\Admin\AppData\Local\Temp\svchostSrv.exe
3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4404

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:4364

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
5⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4064

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4064 CREDAT:17410 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3824 -s 84
3⤵
- Program crash
PID:1912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3824 -ip 3824
1⤵
PID:1160

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

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\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
MD5
7c4fd178f07cafb995dbb8896fec81ac

SHA1
605676b061b2f01dea2986f95d34aee780fb3fd6

SHA256
1b7967732049fcec8ec2b5540c704fc3ae69e0b985bafe1325ac2927db8ee620

SHA512
1f44e8378fefa12c50cb0133be0a6e8d2c4de1b9701a7ac7aad2b4e5bcff9a432867fbaa65b9e97dcb49d198ab11120559d9e9edd2a1d4f95632d7dbe5548633

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
MD5
8e4cddcddfa323b73167cb348bc77694

SHA1
9497bdb8f7569461c80f347a5c838901eb6390c9

SHA256
b47961e559eca0ccc46b6c3d8f12ccf3e39d8c747fc389bedee92d4d91df2501

SHA512
6c6a1608b1940f3a2682b18c57fd2694f1a9280c58f99e78f7570227916e4684b83c27fab4274d6bba381937cd7a4061ef520a73a26880d6e1de74a2caadbd7d

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C:\Users\Admin\AppData\Local\Temp\svchost.exe
MD5
b82290851e07b047343632f2b87b40b7

SHA1
d1d01f9ae3ccb98d1ab68776f6935ccadf7fa81d

SHA256
fa279981dba817bc1f01404644232df5eeee2f6aca3ba35a121567af5b31d246

SHA512
57791882b808b5bbee2789a28088333ad4addc534019f21d300599f7321fd92c1d6faedbb5b76c027596ba93b9cf408be328cecffc2f4b8394c527910324fde0

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

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

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

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/4364-135-0x0000000000510000-0x0000000000511000-memory.dmp

Filesize
4KB

Download
memory/4364-137-0x0000000077600000-0x00000000777A3000-memory.dmp

Filesize
1.6MB

Download
memory/4364-138-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4404-136-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads